COVER INFORMATION Station: VLBA_PT (Code Pt ) Experiment: APM 08279+5255 at z=3.91 Exp. Code: br131b Schedule Version: 1.00 Processed by SCHED version: 6.05 June 2006 PI: Dominik A. Riechers Address: California Institute of Technology 1200 East California Blvd., MC 105-24 Pasadena, CA 91125 U.S.A. Phone: +1 626 395 4670 EMAIL: dr@astro.caltech.edu Fax: +1 626 568 9352 Phone during observation: +1 626 345 4432 Observing mode: VLBA/MKIV Notes: 20cm continuum 512Mbps VLBA Schedule for VLBA_PT (Code Pt ) Page 2 APM 08279+5255 at z=3.91 UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Tue 29 Jan 2008 Day 29 --- Next scan frequencies: 1414.49 1414.49 1414.49 1414.49 1430.49 1430.49 1430.49 1430.49 1446.49 1446.49 1446.49 1446.49 1462.49 1462.49 1462.49 1462.49 Next BBC frequencies: 985.51 985.51 985.51 985.51 969.51 969.51 969.51 969.51 953.51 953.51 953.51 953.51 937.51 937.51 937.51 937.51 Next scan bandwidths: 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 03 11 27 J0827+5217 04 30 00 44.5 47.8 -4.0 -88.8 0 1 1 0 Stopped 03 17 26 =0824+524 04 36 00 45.4 47.8 -3.9 -90.0 359 S 1 23 03 17 26 J0827+5217 04 36 00 45.4 47.8 -3.9 -90.0 -4 1 1 23 03 17 26 03 18 25 =0824+524 04 37 00 45.6 47.8 -3.9 -90.2 56 F 1 27 03 17 44 03 18 25 APM08279 04 37 00 45.0 47.1 -3.9 -89.9 -7 1 1 27 03 18 25 03 21 25 --- 04 40 00 45.5 47.1 -3.9 -90.5 172 F 1 39 03 18 25 03 21 25 J0827+5217 04 40 00 46.1 47.8 -3.8 -90.8 -7 1 1 39 03 21 25 03 22 25 =0824+524 04 41 00 46.2 47.8 -3.8 -91.0 53 F 1 42 03 21 25 03 22 25 APM08279 04 41 00 45.6 47.1 -3.9 -90.7 -7 1 1 42 03 22 25 03 25 24 --- 04 44 00 46.1 47.1 -3.8 -91.3 172 F 1 54 03 22 25 03 25 24 J0827+5217 04 44 00 46.7 47.8 -3.7 -91.6 -7 1 1 54 03 25 24 03 26 24 =0824+524 04 45 00 46.8 47.8 -3.7 -91.8 53 F 1 58 03 25 24 03 26 24 APM08279 04 45 00 46.2 47.1 -3.8 -91.5 -7 1 1 58 03 26 24 03 29 24 --- 04 48 00 46.7 47.1 -3.7 -92.1 172 F 1 69 03 26 24 03 29 24 J0827+5217 04 48 00 47.3 47.7 -3.7 -92.4 -7 1 1 69 03 29 24 03 30 23 =0824+524 04 49 00 47.4 47.7 -3.7 -92.6 53 F 1 73 03 29 24 03 30 23 APM08279 04 49 00 46.8 47.1 -3.7 -92.3 -7 1 1 73 03 30 23 03 33 23 --- 04 52 00 47.3 47.1 -3.7 -93.0 172 F 1 85 03 30 23 03 33 23 J0827+5217 04 52 00 47.9 47.7 -3.6 -93.2 -7 1 1 85 03 33 23 03 34 23 =0824+524 04 53 00 48.0 47.7 -3.6 -93.5 53 F 1 89 03 33 23 03 34 23 APM08279 04 53 00 47.4 47.1 -3.7 -93.2 -7 1 1 89 03 34 23 03 37 22 --- 04 56 00 47.9 47.0 -3.6 -93.8 172 F 1 100 03 34 23 Schedule for VLBA_PT (Code Pt ) Page 3 APM 08279+5255 at z=3.91 UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Tue 29 Jan 2008 Day 29 --- 03 37 22 J0827+5217 04 56 00 48.5 47.6 -3.5 -94.1 -7 1 1 100 03 37 22 03 38 22 =0824+524 04 57 00 48.7 47.6 -3.5 -94.3 53 F 1 104 03 37 22 03 38 22 APM08279 04 57 00 48.0 47.0 -3.6 -94.0 -7 1 1 104 03 38 22 03 41 22 --- 05 00 00 48.5 46.9 -3.5 -94.6 172 F 1 116 03 38 22 03 41 22 J0827+5217 05 00 00 49.1 47.6 -3.5 -94.9 -7 1 1 116 03 41 22 03 42 21 =0824+524 05 01 00 49.3 47.5 -3.5 -95.1 53 F 1 120 03 41 22 03 42 21 APM08279 05 01 00 48.6 46.9 -3.5 -94.8 -7 1 1 120 03 42 21 03 45 21 --- 05 04 00 49.1 46.9 -3.5 -95.5 172 F 1 131 03 42 21 03 45 21 J0827+5217 05 04 00 49.7 47.5 -3.4 -95.8 -7 1 1 131 03 45 21 03 46 21 =0824+524 05 05 00 49.9 47.4 -3.4 -96.0 53 F 1 135 03 45 21 03 46 21 APM08279 05 05 00 49.2 46.8 -3.5 -95.7 -7 1 1 135 03 46 21 03 49 20 --- 05 08 00 49.7 46.8 -3.4 -96.4 172 F 1 147 03 46 21 03 49 20 J0827+5217 05 08 00 50.3 47.4 -3.3 -96.7 -7 1 1 147 03 49 20 03 50 20 =0824+524 05 09 00 50.5 47.3 -3.3 -96.9 53 F 1 151 03 49 20 03 50 20 APM08279 05 09 00 49.9 46.7 -3.4 -96.6 -7 1 1 151 03 50 20 03 53 20 --- 05 12 00 50.3 46.7 -3.3 -97.2 172 F 1 162 03 50 20 03 53 20 J0827+5217 05 12 00 50.9 47.3 -3.3 -97.5 -7 1 1 162 03 53 20 03 54 20 =0824+524 05 13 00 51.1 47.2 -3.3 -97.8 53 F 1 166 03 53 20 03 54 20 APM08279 05 13 00 50.5 46.6 -3.3 -97.5 -7 1 1 166 03 54 20 03 57 19 --- 05 16 00 50.9 46.5 -3.3 -98.1 172 F 1 178 03 54 20 03 57 19 J0827+5217 05 16 00 51.5 47.1 -3.2 -98.4 -7 1 1 178 03 57 19 03 58 19 =0824+524 05 17 00 51.7 47.1 -3.2 -98.7 53 F 1 181 03 57 19 03 58 19 APM08279 05 17 00 51.1 46.5 -3.3 -98.4 -7 1 1 181 03 58 19 04 01 18 --- 05 20 00 51.5 46.4 -3.2 -99.0 172 F 1 193 03 58 19 04 01 18 J0827+5217 05 20 00 52.1 47.0 -3.1 -99.3 -7 1 1 193 04 01 18 04 02 18 =0824+524 05 21 00 52.3 46.9 -3.1 -99.6 53 F 1 197 04 01 18 04 02 18 APM08279 05 21 00 51.7 46.3 -3.2 -99.3 -7 1 1 197 04 02 18 04 05 18 --- 05 24 00 52.1 46.2 -3.1 -100.0 172 F 1 208 04 02 18 04 05 18 J0827+5217 05 24 00 52.7 46.8 -3.1 -100.3 -7 1 1 208 04 05 18 04 06 18 =0824+524 05 25 00 52.9 46.7 -3.1 -100.5 53 F 1 212 04 05 18 Schedule for VLBA_PT (Code Pt ) Page 4 APM 08279+5255 at z=3.91 UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Tue 29 Jan 2008 Day 29 --- 04 06 18 APM08279 05 25 00 52.2 46.2 -3.1 -100.2 -7 1 1 212 04 06 18 04 09 17 --- 05 28 00 52.7 46.0 -3.1 -100.9 172 F 1 224 04 06 18 04 09 17 J0827+5217 05 28 00 53.3 46.6 -3.0 -101.2 -7 1 1 224 04 09 17 04 10 17 =0824+524 05 29 00 53.5 46.6 -3.0 -101.4 53 F 1 228 04 09 17 04 10 17 APM08279 05 29 00 52.8 46.0 -3.1 -101.1 -7 1 1 228 04 10 17 04 13 16 --- 05 32 00 53.3 45.8 -3.0 -101.9 172 F 1 239 04 10 17 04 13 16 J0827+5217 05 32 00 53.9 46.4 -2.9 -102.2 -7 1 1 239 04 13 16 04 14 16 =0824+524 05 33 00 54.1 46.3 -2.9 -102.4 53 F 1 243 04 13 16 04 14 16 APM08279 05 33 00 53.4 45.8 -3.0 -102.1 -7 1 1 243 04 14 16 04 17 16 --- 05 36 00 53.9 45.6 -2.9 -102.8 172 F 1 255 04 14 16 04 17 16 J0827+5217 05 36 00 54.5 46.2 -2.9 -103.1 -7 1 1 255 04 17 16 04 18 16 =0824+524 05 37 00 54.7 46.1 -2.9 -103.4 53 F 1 259 04 17 16 04 18 45 J0827+5217 05 37 30 54.8 46.1 -2.9 -103.5 25 1 1 259 04 18 45 04 19 45 =0824+524 05 38 30 54.9 46.0 -2.8 -103.8 60 F 1 262 04 19 03 04 19 45 APM08279 05 38 30 54.2 45.5 -2.9 -103.4 -7 1 1 262 04 19 45 04 22 45 --- 05 41 30 54.7 45.3 -2.8 -104.2 172 F 1 274 04 19 45 04 22 45 J0827+5217 05 41 30 55.4 45.8 -2.8 -104.5 -7 1 1 274 04 22 45 04 23 45 =0824+524 05 42 30 55.5 45.7 -2.8 -104.8 53 F 1 278 04 22 45 04 23 45 APM08279 05 42 30 54.8 45.2 -2.8 -104.4 -7 1 1 278 04 23 45 04 26 44 --- 05 45 30 55.3 45.0 -2.8 -105.2 172 F 1 290 04 23 45 04 26 44 J0827+5217 05 45 30 56.0 45.5 -2.7 -105.5 -7 1 1 290 04 26 44 04 27 44 =0824+524 05 46 30 56.1 45.5 -2.7 -105.8 53 F 1 293 04 26 44 04 27 44 APM08279 05 46 30 55.4 45.0 -2.8 -105.5 -7 1 1 293 04 27 44 04 30 44 --- 05 49 30 55.9 44.7 -2.7 -106.2 172 F 1 305 04 27 44 04 30 44 J0827+5217 05 49 30 56.5 45.2 -2.7 -106.6 -7 1 1 305 04 30 44 04 31 43 =0824+524 05 50 30 56.7 45.1 -2.6 -106.9 53 F 1 309 04 30 44 04 31 43 APM08279 05 50 30 56.0 44.7 -2.7 -106.5 -7 1 1 309 04 31 43 04 34 43 --- 05 53 30 56.4 44.4 -2.6 -107.3 172 F 1 320 04 31 43 04 34 43 J0827+5217 05 53 30 57.1 44.9 -2.6 -107.7 -7 1 1 320 04 34 43 04 35 43 =0824+524 05 54 30 57.3 44.8 -2.6 -107.9 53 F 1 324 04 34 43 Schedule for VLBA_PT (Code Pt ) Page 5 APM 08279+5255 at z=3.91 UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Tue 29 Jan 2008 Day 29 --- 04 35 43 APM08279 05 54 30 56.6 44.3 -2.6 -107.6 -7 1 1 324 04 35 43 04 38 42 --- 05 57 30 57.0 44.1 -2.6 -108.4 172 F 1 336 04 35 43 04 38 42 J0827+5217 05 57 30 57.7 44.5 -2.5 -108.7 -7 1 1 336 04 38 42 04 39 42 =0824+524 05 58 30 57.9 44.4 -2.5 -109.0 53 F 1 340 04 38 42 04 39 42 APM08279 05 58 30 57.2 44.0 -2.6 -108.7 -7 1 1 340 04 39 42 04 42 42 --- 06 01 30 57.6 43.7 -2.5 -109.5 172 F 1 351 04 39 42 04 42 42 J0827+5217 06 01 30 58.3 44.2 -2.5 -109.9 -7 1 1 351 04 42 42 04 43 41 =0824+524 06 02 30 58.4 44.1 -2.4 -110.1 52 F 1 355 04 42 42 04 43 41 APM08279 06 02 30 57.7 43.6 -2.5 -109.8 -7 1 1 355 04 43 41 04 46 41 --- 06 05 30 58.2 43.3 -2.4 -110.6 172 F 1 367 04 43 41 04 46 41 J0827+5217 06 05 30 58.9 43.8 -2.4 -111.0 -7 1 1 367 04 46 41 04 47 41 =0824+524 06 06 30 59.0 43.6 -2.4 -111.3 52 F 1 371 04 46 41 04 47 41 APM08279 06 06 30 58.3 43.2 -2.4 -110.9 -7 1 1 371 04 47 41 04 50 40 --- 06 09 30 58.7 42.9 -2.4 -111.8 172 F 1 382 04 47 41 04 50 40 J0827+5217 06 09 30 59.4 43.3 -2.3 -112.2 -7 1 1 382 04 50 40 04 51 40 =0824+524 06 10 30 59.6 43.2 -2.3 -112.5 52 F 1 386 04 50 40 04 51 40 APM08279 06 10 30 58.9 42.8 -2.4 -112.1 -7 1 1 386 04 51 40 04 54 40 --- 06 13 30 59.3 42.5 -2.3 -112.9 172 F 1 398 04 51 40 04 54 40 J0827+5217 06 13 30 60.0 42.8 -2.3 -113.4 -7 1 1 398 04 54 40 04 55 39 =0824+524 06 14 30 60.1 42.7 -2.2 -113.7 52 F 1 401 04 54 40 04 55 39 APM08279 06 14 30 59.4 42.3 -2.3 -113.2 -7 1 1 401 04 55 39 04 58 39 --- 06 17 30 59.8 42.0 -2.2 -114.1 172 F 1 413 04 55 39 04 58 39 J0827+5217 06 17 30 60.6 42.3 -2.2 -114.6 -7 1 1 413 04 58 39 04 59 39 =0824+524 06 18 30 60.7 42.2 -2.2 -114.9 52 F 1 417 04 58 39 04 59 39 APM08279 06 18 30 60.0 41.9 -2.2 -114.5 -7 1 1 417 04 59 39 05 02 38 --- 06 21 30 60.4 41.5 -2.2 -115.4 172 F 1 428 04 59 39 05 02 38 J0827+5217 06 21 30 61.1 41.8 -2.1 -115.9 -7 1 1 428 05 02 38 05 03 38 =0824+524 06 22 30 61.2 41.7 -2.1 -116.2 52 F 1 432 05 02 38 05 03 38 APM08279 06 22 30 60.5 41.3 -2.2 -115.7 -7 1 1 432 05 03 38 05 06 38 --- 06 25 30 60.9 40.9 -2.1 -116.6 172 F 1 444 05 03 38 Schedule for VLBA_PT (Code Pt ) Page 6 APM 08279+5255 at z=3.91 UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Tue 29 Jan 2008 Day 29 --- 05 06 38 J0827+5217 06 25 30 61.7 41.2 -2.1 -117.1 -7 1 1 444 05 06 38 05 07 37 =0824+524 06 26 30 61.8 41.1 -2.0 -117.5 52 F 1 448 05 06 38 05 07 37 APM08279 06 26 30 61.1 40.8 -2.1 -117.0 -7 1 1 448 05 07 37 05 10 37 --- 06 29 30 61.5 40.4 -2.0 -118.0 172 F 1 459 05 07 37 05 10 37 J0827+5217 06 29 30 62.2 40.6 -2.0 -118.5 -7 1 1 459 05 10 37 05 11 37 =0824+524 06 30 30 62.3 40.5 -2.0 -118.8 52 F 1 463 05 10 37 05 11 37 APM08279 06 30 30 61.6 40.2 -2.0 -118.3 -7 1 1 463 05 11 37 05 14 36 --- 06 33 30 62.0 39.7 -2.0 -119.3 172 F 1 475 05 11 37 05 14 36 J0827+5217 06 33 30 62.7 40.0 -1.9 -119.8 -7 1 1 475 05 14 36 05 15 36 =0824+524 06 34 30 62.9 39.8 -1.9 -120.2 52 F 1 479 05 14 36 05 15 36 APM08279 06 34 30 62.1 39.6 -2.0 -119.6 -7 1 1 479 05 15 36 05 18 36 --- 06 37 30 62.5 39.1 -1.9 -120.7 172 F 1 490 05 15 36 05 18 36 J0827+5217 06 37 30 63.3 39.3 -1.9 -121.2 -7 1 1 490 05 18 36 05 19 35 =0824+524 06 38 30 63.4 39.1 -1.8 -121.6 52 F 1 494 05 18 36 05 20 05 J0827+5217 06 39 00 63.5 39.0 -1.8 -121.8 25 1 1 494 05 20 05 05 21 05 =0824+524 06 40 00 63.6 38.9 -1.8 -122.1 60 F 1 498 05 20 23 05 21 05 J0828+5048 06 40 00 64.2 41.9 -1.8 -119.3 -8 1 1 498 05 21 05 05 24 05 --- 06 43 00 64.7 41.4 -1.8 -120.3 171 F 1 510 05 21 05 05 24 05 J0827+5217 06 43 00 64.0 38.3 -1.8 -123.2 -8 1 1 510 05 24 05 05 25 05 =0824+524 06 44 00 64.1 38.1 -1.7 -123.6 52 F 1 513 05 24 05 05 25 05 J0828+5048 06 44 00 64.8 41.2 -1.8 -120.7 -8 1 1 513 05 25 05 05 28 04 --- 06 47 00 65.2 40.6 -1.7 -121.8 171 F 1 525 05 25 05 05 28 04 J0827+5217 06 47 00 64.5 37.5 -1.7 -124.7 -8 1 1 525 05 28 04 05 29 04 =0824+524 06 48 00 64.6 37.3 -1.7 -125.1 52 F 1 529 05 28 04 05 29 04 J0828+5048 06 48 00 65.3 40.4 -1.7 -122.2 -8 1 1 529 05 29 04 05 32 03 --- 06 51 00 65.7 39.8 -1.6 -123.3 171 F 1 540 05 29 04 05 32 03 J0827+5217 06 51 00 65.0 36.7 -1.6 -126.3 -8 1 1 540 05 32 03 05 33 03 =0824+524 06 52 00 65.1 36.5 -1.6 -126.7 52 F 1 544 05 32 03 05 33 33 DA193 06 52 30 77.5 -59.7 0.9 111.7 -40 1 1 544 05 33 33 05 39 32 --- 06 58 30 76.4 -61.5 1.0 109.0 319 F 1 567 05 33 51 Schedule for VLBA_PT (Code Pt ) Page 7 APM 08279+5255 at z=3.91 UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Tue 29 Jan 2008 Day 29 --- 05 40 02 J0827+5217 06 59 00 65.9 34.9 -1.5 -129.5 -40 1 1 567 05 40 02 05 41 02 =0824+524 07 00 00 66.1 34.6 -1.5 -129.9 20 F 1 571 05 40 20 05 41 02 APM08279 07 00 00 65.3 34.7 -1.5 -129.1 -7 1 1 571 05 41 02 05 44 01 --- 07 03 00 65.7 34.0 -1.5 -130.4 172 F 1 583 05 41 02 05 44 01 J0827+5217 07 03 00 66.4 33.9 -1.4 -131.2 -7 1 1 583 05 44 01 05 45 01 =0824+524 07 04 00 66.5 33.6 -1.4 -131.6 52 F 1 587 05 44 01 05 45 01 APM08279 07 04 00 65.8 33.7 -1.5 -130.8 -7 1 1 587 05 45 01 05 48 01 --- 07 07 00 66.1 33.0 -1.4 -132.0 172 F 1 598 05 45 01 05 48 01 J0827+5217 07 07 00 66.9 32.9 -1.4 -132.9 -7 1 1 598 05 48 01 05 49 01 =0824+524 07 08 00 67.0 32.6 -1.3 -133.4 52 F 1 602 05 48 01 05 49 01 APM08279 07 08 00 66.2 32.7 -1.4 -132.5 -7 1 1 602 05 49 01 05 52 00 --- 07 11 00 66.6 32.0 -1.4 -133.8 172 F 1 614 05 49 01 05 52 00 J0827+5217 07 11 00 67.3 31.8 -1.3 -134.7 -7 1 1 614 05 52 00 05 53 00 =0824+524 07 12 00 67.4 31.5 -1.3 -135.2 52 F 1 618 05 52 00 05 53 00 APM08279 07 12 00 66.7 31.7 -1.3 -134.2 -7 1 1 618 05 53 00 05 56 00 --- 07 15 00 67.0 30.9 -1.3 -135.6 172 F 1 629 05 53 00 05 56 00 J0827+5217 07 15 00 67.7 30.6 -1.2 -136.6 -7 1 1 629 05 56 00 05 56 59 =0824+524 07 16 00 67.8 30.3 -1.2 -137.0 52 F 1 633 05 56 00 05 56 59 APM08279 07 16 00 67.1 30.6 -1.3 -136.0 -7 1 1 633 05 56 59 05 59 59 --- 07 19 00 67.4 29.7 -1.2 -137.4 172 F 1 645 05 56 59 05 59 59 J0827+5217 07 19 00 68.1 29.4 -1.2 -138.5 -7 1 1 645 05 59 59 06 00 59 =0824+524 07 20 00 68.2 29.1 -1.1 -138.9 52 F 1 649 05 59 59 06 00 59 APM08279 07 20 00 67.5 29.5 -1.2 -137.9 -7 1 1 649 06 00 59 06 03 58 --- 07 23 00 67.8 28.6 -1.2 -139.3 172 F 1 660 06 00 59 06 03 58 J0827+5217 07 23 00 68.5 28.2 -1.1 -140.4 -7 1 1 660 06 03 58 06 04 58 =0824+524 07 24 00 68.6 27.8 -1.1 -140.9 52 F 1 664 06 03 58 06 04 58 APM08279 07 24 00 67.9 28.3 -1.1 -139.8 -7 1 1 664 06 04 58 06 07 58 --- 07 27 00 68.2 27.3 -1.1 -141.2 172 F 1 676 06 04 58 06 07 58 J0827+5217 07 27 00 68.9 26.8 -1.0 -142.4 -7 1 1 676 06 07 58 06 08 57 =0824+524 07 28 00 69.0 26.5 -1.0 -143.0 52 F 1 679 06 07 58 Schedule for VLBA_PT (Code Pt ) Page 8 APM 08279+5255 at z=3.91 UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Tue 29 Jan 2008 Day 29 --- 06 08 57 APM08279 07 28 00 68.3 27.0 -1.1 -141.7 -7 1 1 679 06 08 57 06 11 57 --- 07 31 00 68.6 26.0 -1.0 -143.3 172 F 1 691 06 08 57 06 11 57 J0827+5217 07 31 00 69.3 25.5 -1.0 -144.5 -7 1 1 691 06 11 57 06 12 57 =0824+524 07 32 00 69.4 25.1 -0.9 -145.1 52 F 1 695 06 11 57 06 12 57 APM08279 07 32 00 68.7 25.7 -1.0 -143.8 -7 1 1 695 06 12 57 06 15 56 --- 07 35 00 68.9 24.7 -1.0 -145.3 172 F 1 706 06 12 57 06 15 56 J0827+5217 07 35 00 69.6 24.0 -0.9 -146.7 -7 1 1 706 06 15 56 06 16 56 =0824+524 07 36 00 69.7 23.7 -0.9 -147.2 52 F 1 710 06 15 56 06 16 56 APM08279 07 36 00 69.0 24.3 -0.9 -145.8 -7 1 1 710 06 16 56 06 19 56 --- 07 39 00 69.3 23.2 -0.9 -147.4 172 F 1 722 06 16 56 06 19 56 J0827+5217 07 39 00 70.0 22.5 -0.8 -148.9 -7 1 1 722 06 19 56 06 20 55 =0824+524 07 40 00 70.0 22.1 -0.8 -149.4 53 F 1 726 06 19 56 06 20 55 APM08279 07 40 00 69.3 22.9 -0.9 -148.0 -7 1 1 726 06 20 55 06 23 55 --- 07 43 00 69.6 21.8 -0.8 -149.6 172 F 1 737 06 20 55 06 23 55 J0827+5217 07 43 00 70.3 21.0 -0.8 -151.1 -7 1 1 737 06 23 55 06 24 55 =0824+524 07 44 00 70.3 20.6 -0.7 -151.7 53 F 1 741 06 23 55 06 24 55 APM08279 07 44 00 69.7 21.4 -0.8 -150.2 -7 1 1 741 06 24 55 06 27 54 --- 07 47 00 69.9 20.2 -0.8 -151.8 172 F 1 753 06 24 55 06 27 54 J0827+5217 07 47 00 70.5 19.3 -0.7 -153.4 -7 1 1 753 06 27 54 06 28 54 =0824+524 07 48 00 70.6 18.9 -0.7 -154.0 53 F 1 757 06 27 54 06 28 54 APM08279 07 48 00 69.9 19.9 -0.7 -152.4 -7 1 1 757 06 28 54 06 31 54 --- 07 51 00 70.2 18.7 -0.7 -154.1 172 F 1 768 06 28 54 06 31 54 J0827+5217 07 51 00 70.8 17.7 -0.6 -155.8 -7 1 1 768 06 31 54 06 32 53 =0824+524 07 52 00 70.9 17.3 -0.6 -156.4 53 F 1 772 06 31 54 06 32 53 APM08279 07 52 00 70.2 18.3 -0.7 -154.7 -7 1 1 772 06 32 53 06 35 53 --- 07 55 00 70.4 17.0 -0.6 -156.4 172 F 1 784 06 32 53 06 35 53 J0827+5217 07 55 00 71.1 16.0 -0.6 -158.2 -7 1 1 784 06 35 53 06 36 53 =0824+524 07 56 00 71.1 15.5 -0.5 -158.8 53 F 1 787 06 35 53 06 36 53 APM08279 07 56 00 70.5 16.6 -0.6 -157.0 -7 1 1 787 06 36 53 06 39 52 --- 07 59 00 70.6 15.4 -0.6 -158.8 172 F 1 799 06 36 53 Schedule for VLBA_PT (Code Pt ) Page 9 APM 08279+5255 at z=3.91 UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Tue 29 Jan 2008 Day 29 --- 06 39 52 J0827+5217 07 59 00 71.3 14.2 -0.5 -160.7 -7 1 1 799 06 39 52 06 40 52 =0824+524 08 00 00 71.3 13.7 -0.5 -161.3 53 F 1 803 06 39 52 06 41 22 J0827+5217 08 00 30 71.3 13.5 -0.5 -161.6 25 1 1 803 06 41 22 06 42 22 =0824+524 08 01 30 71.4 13.0 -0.5 -162.3 60 F 1 807 06 41 40 06 42 22 APM08279 08 01 30 70.8 14.3 -0.5 -160.3 -7 1 1 807 06 42 22 06 45 21 --- 08 04 30 70.9 13.0 -0.5 -162.2 172 F 1 818 06 42 22 06 45 21 J0827+5217 08 04 30 71.5 11.7 -0.4 -164.2 -7 1 1 818 06 45 21 06 46 21 =0824+524 08 05 30 71.6 11.2 -0.4 -164.8 53 F 1 822 06 45 21 06 46 21 APM08279 08 05 30 71.0 12.5 -0.4 -162.8 -7 1 1 822 06 46 21 06 49 21 --- 08 08 30 71.1 11.2 -0.4 -164.6 172 F 1 834 06 46 21 06 49 21 J0827+5217 08 08 30 71.7 9.8 -0.3 -166.7 -7 1 1 834 06 49 21 06 50 21 =0824+524 08 09 30 71.7 9.3 -0.3 -167.4 53 F 1 838 06 49 21 06 50 21 APM08279 08 09 30 71.1 10.7 -0.4 -165.3 -7 1 1 838 06 50 21 06 53 20 --- 08 12 30 71.2 9.4 -0.3 -167.2 172 F 1 849 06 50 21 06 53 20 J0827+5217 08 12 30 71.8 7.9 -0.3 -169.3 -7 1 1 849 06 53 20 06 54 20 =0824+524 08 13 30 71.8 7.4 -0.3 -170.0 53 F 1 853 06 53 20 06 54 20 APM08279 08 13 30 71.3 8.9 -0.3 -167.8 -7 1 1 853 06 54 20 06 57 19 --- 08 16 30 71.4 7.5 -0.3 -169.7 173 F 1 865 06 54 20 06 57 19 J0827+5217 08 16 30 71.9 5.9 -0.2 -172.0 -7 1 1 865 06 57 19 06 58 19 =0824+524 08 17 30 71.9 5.5 -0.2 -172.6 53 F 1 869 06 57 19 06 58 19 APM08279 08 17 30 71.4 7.1 -0.2 -170.4 -7 1 1 869 06 58 19 07 01 19 --- 08 20 30 71.5 5.6 -0.2 -172.3 173 F 1 880 06 58 19 07 01 19 J0827+5217 08 20 30 72.0 4.0 -0.1 -174.6 -7 1 1 880 07 01 19 07 02 19 =0824+524 08 21 30 72.0 3.5 -0.1 -175.3 53 F 1 884 07 01 19 07 02 19 APM08279 08 21 30 71.5 5.2 -0.2 -172.9 -7 1 1 884 07 02 19 07 05 18 --- 08 24 30 71.5 3.8 -0.1 -174.9 173 F 1 896 07 02 19 07 05 18 J0827+5217 08 24 30 72.0 2.0 -0.1 -177.3 -7 1 1 896 07 05 18 07 06 18 =0824+524 08 25 30 72.0 1.5 -0.1 -178.0 53 F 1 899 07 05 18 07 06 18 APM08279 08 25 30 71.5 3.3 -0.1 -175.5 -7 1 1 899 07 06 18 07 09 17 --- 08 28 30 71.6 1.8 -0.1 -177.5 172 F 1 911 07 06 18 Schedule for VLBA_PT (Code Pt ) Page 10 APM 08279+5255 at z=3.91 UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Tue 29 Jan 2008 Day 29 --- 07 09 17 J0827+5217 08 28 30 72.0 0.0 0.0 -180.0 -7 1 1 911 07 09 17 07 10 17 =0824+524 08 29 30 72.0 -0.5 0.0 179.4 53 F 1 915 07 09 17 07 10 17 APM08279 08 29 30 71.6 1.4 0.0 -178.1 -7 1 1 915 07 10 17 07 13 17 --- 08 32 30 71.6 -0.1 0.0 179.9 172 F 1 926 07 10 17 07 13 17 J0827+5217 08 32 30 72.0 -2.0 0.1 177.4 -7 1 1 926 07 13 17 07 14 17 =0824+524 08 33 30 72.0 -2.5 0.1 176.7 53 F 1 930 07 13 17 07 14 17 APM08279 08 33 30 71.6 -0.5 0.0 179.3 -7 1 1 930 07 14 17 07 17 16 --- 08 36 30 71.6 -2.0 0.1 177.3 172 F 1 942 07 14 17 07 17 16 J0827+5217 08 36 30 72.0 -3.9 0.1 174.7 -7 1 1 942 07 17 16 07 18 16 =0824+524 08 37 30 72.0 -4.4 0.1 174.0 53 F 1 946 07 17 16 07 18 16 APM08279 08 37 30 71.6 -2.5 0.1 176.6 -7 1 1 946 07 18 16 07 21 16 --- 08 40 30 71.5 -3.9 0.1 174.7 172 F 1 957 07 18 16 07 21 16 J0827+5217 08 40 30 71.9 -5.9 0.2 172.0 -7 1 1 957 07 21 16 07 22 15 =0824+524 08 41 30 71.9 -6.4 0.2 171.4 53 F 1 961 07 21 16 07 22 15 APM08279 08 41 30 71.5 -4.4 0.2 174.0 -7 1 1 961 07 22 15 07 25 15 --- 08 44 30 71.4 -5.8 0.2 172.1 172 F 1 973 07 22 15 07 25 15 J0827+5217 08 44 30 71.8 -7.8 0.3 169.4 -7 1 1 973 07 25 15 07 26 15 =0824+524 08 45 30 71.8 -8.3 0.3 168.7 53 F 1 977 07 25 15 07 26 15 APM08279 08 45 30 71.4 -6.3 0.2 171.4 -7 1 1 977 07 26 15 07 29 14 --- 08 48 30 71.4 -7.7 0.3 169.5 172 F 1 988 07 26 15 07 29 14 J0827+5217 08 48 30 71.7 -9.7 0.3 166.8 -7 1 1 988 07 29 14 07 30 14 =0824+524 08 49 30 71.6 -10.2 0.3 166.1 53 F 1 992 07 29 14 07 30 14 APM08279 08 49 30 71.3 -8.1 0.3 168.9 -7 1 1 992 07 30 14 07 33 14 --- 08 52 30 71.2 -9.5 0.3 167.0 172 F 1 1004 07 30 14 07 33 14 J0827+5217 08 52 30 71.5 -11.6 0.4 164.2 -7 1 1 1004 07 33 14 07 34 13 =0824+524 08 53 30 71.5 -12.1 0.4 163.6 52 F 1 1007 07 33 14 07 34 13 APM08279 08 53 30 71.2 -10.0 0.4 166.3 -7 1 1 1007 07 34 13 07 37 13 --- 08 56 30 71.1 -11.3 0.4 164.5 172 F 1 1019 07 34 13 07 37 13 J0827+5217 08 56 30 71.3 -13.5 0.5 161.7 -7 1 1 1019 07 37 13 07 38 13 =0824+524 08 57 30 71.3 -13.9 0.5 161.1 52 F 1 1023 07 37 13 Schedule for VLBA_PT (Code Pt ) Page 11 APM 08279+5255 at z=3.91 UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Tue 29 Jan 2008 Day 29 --- 07 38 13 APM08279 08 57 30 71.0 -11.8 0.4 163.8 -7 1 1 1023 07 38 13 07 41 12 --- 09 00 30 70.9 -13.1 0.5 162.0 172 F 1 1035 07 38 13 07 41 12 J0827+5217 09 00 30 71.1 -15.2 0.5 159.2 -7 1 1 1035 07 41 12 07 42 12 =0824+524 09 01 30 71.1 -15.7 0.5 158.6 52 F 1 1038 07 41 12 07 42 42 J0827+5217 09 02 00 71.1 -15.9 0.6 158.3 25 1 1 1038 07 42 42 07 43 42 =0824+524 09 03 00 71.0 -16.3 0.6 157.7 60 F 1 1042 07 43 00 07 43 42 APM08279 09 03 00 70.8 -14.2 0.5 160.5 -7 1 1 1042 07 43 42 07 46 41 --- 09 06 00 70.6 -15.5 0.6 158.6 172 F 1 1054 07 43 42 07 46 41 J0827+5217 09 06 00 70.8 -17.6 0.6 155.9 -7 1 1 1054 07 46 41 07 47 41 =0824+524 09 07 00 70.8 -18.1 0.6 155.3 52 F 1 1058 07 46 41 07 47 41 APM08279 09 07 00 70.6 -15.9 0.6 158.0 -7 1 1 1058 07 47 41 07 50 41 --- 09 10 00 70.4 -17.2 0.6 156.3 172 F 1 1069 07 47 41 07 50 41 J0827+5217 09 10 00 70.6 -19.3 0.7 153.5 -7 1 1 1069 07 50 41 07 51 41 =0824+524 09 11 00 70.5 -19.7 0.7 152.9 52 F 1 1073 07 50 41 07 51 41 APM08279 09 11 00 70.3 -17.6 0.6 155.7 -7 1 1 1073 07 51 41 07 54 40 --- 09 14 00 70.1 -18.8 0.7 153.9 172 F 1 1085 07 51 41 07 54 40 J0827+5217 09 14 00 70.3 -20.9 0.8 151.2 -7 1 1 1085 07 54 40 07 55 40 =0824+524 09 15 00 70.2 -21.3 0.8 150.6 52 F 1 1089 07 54 40 07 55 40 APM08279 09 15 00 70.1 -19.2 0.7 153.4 -7 1 1 1089 07 55 40 07 58 39 --- 09 18 00 69.9 -20.4 0.8 151.7 172 F 1 1100 07 55 40 07 58 39 J0827+5217 09 18 00 70.0 -22.5 0.8 148.9 -7 1 1 1100 07 58 39 07 59 39 =0824+524 09 19 00 69.9 -22.9 0.8 148.4 52 F 1 1104 07 58 39 07 59 39 APM08279 09 19 00 69.8 -20.7 0.8 151.1 -7 1 1 1104 07 59 39 08 02 39 --- 09 22 00 69.6 -21.9 0.8 149.4 172 F 1 1116 07 59 39 08 02 39 J0827+5217 09 22 00 69.6 -24.0 0.9 146.7 -7 1 1 1116 08 02 39 08 03 39 =0824+524 09 23 00 69.6 -24.3 0.9 146.2 52 F 1 1119 08 02 39 08 03 39 APM08279 09 23 00 69.5 -22.3 0.8 148.9 -7 1 1 1119 08 03 39 08 06 38 --- 09 26 00 69.2 -23.3 0.9 147.3 172 F 1 1131 08 03 39 08 06 38 J0827+5217 09 26 00 69.3 -25.4 1.0 144.6 -7 1 1 1131 08 06 38 08 07 38 =0824+524 09 27 00 69.2 -25.8 1.0 144.1 53 F 1 1135 08 06 38 Schedule for VLBA_PT (Code Pt ) Page 12 APM 08279+5255 at z=3.91 UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Tue 29 Jan 2008 Day 29 --- 08 07 38 APM08279 09 27 00 69.2 -23.7 0.9 146.7 -7 1 1 1135 08 07 38 08 10 37 --- 09 30 00 68.9 -24.8 1.0 145.2 172 F 1 1146 08 07 38 08 10 37 J0827+5217 09 30 00 68.9 -26.8 1.0 142.5 -7 1 1 1146 08 10 37 08 11 37 =0824+524 09 31 00 68.8 -27.1 1.0 142.0 53 F 1 1150 08 10 37 08 11 37 APM08279 09 31 00 68.8 -25.1 1.0 144.6 -7 1 1 1150 08 11 37 08 14 37 --- 09 34 00 68.6 -26.1 1.0 143.1 172 F 1 1162 08 11 37 08 14 37 J0827+5217 09 34 00 68.6 -28.1 1.1 140.5 -7 1 1 1162 08 14 37 08 15 37 =0824+524 09 35 00 68.5 -28.4 1.1 140.0 53 F 1 1166 08 14 37 08 15 37 APM08279 09 35 00 68.5 -26.4 1.0 142.6 -7 1 1 1166 08 15 37 08 18 36 --- 09 38 00 68.2 -27.4 1.1 141.1 172 F 1 1177 08 15 37 08 18 36 J0827+5217 09 38 00 68.2 -29.4 1.2 138.5 -7 1 1 1177 08 18 36 08 19 36 =0824+524 09 39 00 68.1 -29.7 1.2 138.0 53 F 1 1181 08 18 36 08 19 36 APM08279 09 39 00 68.1 -27.7 1.1 140.6 -7 1 1 1181 08 19 36 08 22 35 --- 09 42 00 67.8 -28.6 1.2 139.2 172 F 1 1193 08 19 36 08 22 35 J0827+5217 09 42 00 67.7 -30.6 1.2 136.6 -7 1 1 1193 08 22 35 08 23 35 =0824+524 09 43 00 67.6 -30.9 1.2 136.1 53 F 1 1197 08 22 35 08 23 35 APM08279 09 43 00 67.7 -28.9 1.2 138.7 -7 1 1 1197 08 23 35 08 26 35 --- 09 46 00 67.4 -29.8 1.2 137.3 172 F 1 1208 08 23 35 08 26 35 J0827+5217 09 46 00 67.3 -31.7 1.3 134.8 -7 1 1 1208 08 26 35 08 27 35 =0824+524 09 47 00 67.2 -32.0 1.3 134.3 53 F 1 1212 08 26 35 08 27 35 APM08279 09 47 00 67.3 -30.1 1.2 136.8 -7 1 1 1212 08 27 35 08 30 34 --- 09 50 00 67.0 -31.0 1.3 135.4 172 F 1 1224 08 27 35 08 30 34 J0827+5217 09 50 00 66.9 -32.8 1.4 133.0 -7 1 1 1224 08 30 34 08 31 34 =0824+524 09 51 00 66.8 -33.1 1.4 132.5 53 F 1 1228 08 30 34 08 31 34 APM08279 09 51 00 66.9 -31.2 1.3 135.0 -7 1 1 1228 08 31 34 08 34 33 --- 09 54 00 66.5 -32.0 1.4 133.6 172 F 1 1239 08 31 34 08 34 33 J0827+5217 09 54 00 66.4 -33.9 1.4 131.2 -7 1 1 1239 08 34 33 08 35 33 =0824+524 09 55 00 66.3 -34.1 1.4 130.8 53 F 1 1243 08 34 33 08 35 33 APM08279 09 55 00 66.4 -32.3 1.4 133.2 -7 1 1 1243 08 35 33 08 38 33 --- 09 58 00 66.1 -33.1 1.4 131.9 172 F 1 1255 08 35 33 Schedule for VLBA_PT (Code Pt ) Page 13 APM 08279+5255 at z=3.91 UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Tue 29 Jan 2008 Day 29 --- 08 38 33 J0827+5217 09 58 00 66.0 -34.8 1.5 129.5 -7 1 1 1255 08 38 33 08 39 33 =0824+524 09 59 00 65.8 -35.1 1.5 129.1 53 F 1 1258 08 38 33 08 39 33 APM08279 09 59 00 66.0 -33.3 1.4 131.5 -7 1 1 1258 08 39 33 08 42 32 --- 10 02 00 65.6 -34.0 1.5 130.2 172 F 1 1270 08 39 33 08 42 32 J0827+5217 10 02 00 65.5 -35.8 1.6 127.9 -7 1 1 1270 08 42 32 08 43 32 =0824+524 10 03 00 65.4 -36.0 1.6 127.5 53 F 1 1274 08 42 32 08 44 02 J0827+5217 10 03 30 65.3 -36.1 1.6 127.3 25 1 1 1274 08 44 02 08 45 02 =0824+524 10 04 30 65.2 -36.3 1.6 126.9 60 F 1 1278 08 44 20 08 45 02 APM08279 10 04 30 65.3 -34.6 1.5 129.2 -7 1 1 1278 08 45 02 08 48 01 --- 10 07 30 65.0 -35.3 1.6 128.0 172 F 1 1289 08 45 02 08 48 01 J0827+5217 10 07 30 64.8 -37.0 1.6 125.7 -7 1 1 1289 08 48 01 08 49 01 =0824+524 10 08 30 64.7 -37.2 1.7 125.3 53 F 1 1293 08 48 01 08 49 01 APM08279 10 08 30 64.9 -35.5 1.6 127.6 -7 1 1 1293 08 49 01 08 52 01 --- 10 11 30 64.5 -36.2 1.7 126.4 173 F 1 1305 08 49 01 08 52 01 J0827+5217 10 11 30 64.3 -37.8 1.7 124.2 -7 1 1 1305 08 52 01 08 53 00 =0824+524 10 12 30 64.2 -38.0 1.7 123.8 53 F 1 1309 08 52 01 08 53 00 APM08279 10 12 30 64.4 -36.4 1.7 126.0 -7 1 1 1309 08 53 00 08 56 00 --- 10 15 30 64.0 -37.0 1.7 124.9 173 F 1 1320 08 53 00 08 56 00 J0827+5217 10 15 30 63.8 -38.6 1.8 122.7 -7 1 1 1320 08 56 00 08 57 00 =0824+524 10 16 30 63.7 -38.7 1.8 122.3 53 F 1 1324 08 56 00 08 57 00 APM08279 10 16 30 63.9 -37.2 1.7 124.5 -7 1 1 1324 08 57 00 08 59 59 --- 10 19 30 63.5 -37.7 1.8 123.4 173 F 1 1336 08 57 00 08 59 59 J0827+5217 10 19 30 63.3 -39.3 1.8 121.3 -7 1 1 1336 08 59 59 09 00 59 =0824+524 10 20 30 63.1 -39.5 1.9 120.9 53 F 1 1339 08 59 59 09 00 59 APM08279 10 20 30 63.4 -37.9 1.8 123.0 -7 1 1 1339 09 00 59 09 03 59 --- 10 23 30 63.0 -38.5 1.9 122.0 173 F 1 1351 09 00 59 09 03 59 J0827+5217 10 23 30 62.7 -40.0 1.9 119.9 -7 1 1 1351 09 03 59 09 04 58 =0824+524 10 24 30 62.6 -40.1 1.9 119.5 53 F 1 1355 09 03 59 09 04 58 APM08279 10 24 30 62.9 -38.6 1.9 121.6 -7 1 1 1355 09 04 58 09 07 58 --- 10 27 30 62.5 -39.1 1.9 120.6 173 F 1 1366 09 04 58 Schedule for VLBA_PT (Code Pt ) Page 14 APM 08279+5255 at z=3.91 UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Tue 29 Jan 2008 Day 29 --- 09 07 58 J0827+5217 10 27 30 62.2 -40.6 2.0 118.5 -7 1 1 1366 09 07 58 09 08 58 =0824+524 10 28 30 62.1 -40.8 2.0 118.2 53 F 1 1370 09 07 58 09 08 58 APM08279 10 28 30 62.4 -39.3 1.9 120.2 -7 1 1 1370 09 08 58 09 11 57 --- 10 31 30 62.0 -39.8 2.0 119.2 173 F 1 1382 09 08 58 09 11 57 J0827+5217 10 31 30 61.7 -41.2 2.0 117.2 -7 1 1 1382 09 11 57 09 12 57 =0824+524 10 32 30 61.5 -41.4 2.1 116.8 53 F 1 1386 09 11 57 09 12 57 APM08279 10 32 30 61.8 -39.9 2.0 118.9 -7 1 1 1386 09 12 57 09 15 57 --- 10 35 30 61.4 -40.4 2.1 117.9 173 F 1 1397 09 12 57 09 15 57 J0827+5217 10 35 30 61.1 -41.8 2.1 115.9 -7 1 1 1397 09 15 57 09 16 57 =0824+524 10 36 30 61.0 -41.9 2.1 115.6 53 F 1 1401 09 15 57 09 16 57 APM08279 10 36 30 61.3 -40.6 2.1 117.5 -7 1 1 1401 09 16 57 09 19 56 --- 10 39 30 60.9 -41.0 2.1 116.6 173 F 1 1413 09 16 57 09 19 56 J0827+5217 10 39 30 60.6 -42.3 2.2 114.6 -7 1 1 1413 09 19 56 09 20 56 =0824+524 10 40 30 60.4 -42.5 2.2 114.3 53 F 1 1417 09 19 56 09 20 56 APM08279 10 40 30 60.8 -41.1 2.1 116.2 -7 1 1 1417 09 20 56 09 23 55 --- 10 43 30 60.3 -41.5 2.2 115.3 173 F 1 1428 09 20 56 09 23 55 J0827+5217 10 43 30 60.0 -42.8 2.2 113.4 -7 1 1 1428 09 23 55 09 24 55 =0824+524 10 44 30 59.9 -43.0 2.3 113.1 53 F 1 1432 09 23 55 09 24 55 APM08279 10 44 30 60.2 -41.6 2.2 115.0 -7 1 1 1432 09 24 55 09 27 55 --- 10 47 30 59.8 -42.0 2.3 114.1 173 F 1 1444 09 24 55 09 27 55 J0827+5217 10 47 30 59.4 -43.3 2.3 112.2 -7 1 1 1444 09 27 55 09 28 55 =0824+524 10 48 30 59.3 -43.4 2.3 111.9 53 F 1 1448 09 27 55 09 28 55 APM08279 10 48 30 59.7 -42.1 2.3 113.8 -7 1 1 1448 09 28 55 09 31 54 --- 10 51 30 59.2 -42.5 2.3 112.8 173 F 1 1459 09 28 55 09 31 54 J0827+5217 10 51 30 58.9 -43.7 2.4 111.0 -7 1 1 1459 09 31 54 09 32 54 =0824+524 10 52 30 58.7 -43.8 2.4 110.7 53 F 1 1463 09 31 54 09 32 54 APM08279 10 52 30 59.1 -42.6 2.3 112.6 -7 1 1 1463 09 32 54 09 35 53 --- 10 55 30 58.7 -42.9 2.4 111.7 173 F 1 1475 09 32 54 09 35 53 J0827+5217 10 55 30 58.3 -44.1 2.4 109.9 -7 1 1 1475 09 35 53 09 36 53 =0824+524 10 56 30 58.2 -44.2 2.5 109.6 53 F 1 1478 09 35 53 Schedule for VLBA_PT (Code Pt ) Page 15 APM 08279+5255 at z=3.91 UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Tue 29 Jan 2008 Day 29 --- 09 36 53 APM08279 10 56 30 58.5 -43.1 2.4 111.4 -7 1 1 1478 09 36 53 09 39 53 --- 10 59 30 58.1 -43.4 2.5 110.5 173 F 1 1490 09 36 53 09 39 53 J0827+5217 10 59 30 57.7 -44.5 2.5 108.8 -7 1 1 1490 09 39 53 09 40 53 =0824+524 11 00 30 57.6 -44.6 2.5 108.5 53 F 1 1494 09 39 53 09 40 53 APM08279 11 00 30 58.0 -43.5 2.5 110.2 -7 1 1 1494 09 40 53 09 43 52 --- 11 03 30 57.5 -43.7 2.5 109.4 173 F 1 1505 09 40 53 09 43 52 J0827+5217 11 03 30 57.1 -44.9 2.6 107.7 -7 1 1 1505 09 43 52 09 44 52 =0824+524 11 04 30 57.0 -45.0 2.6 107.4 53 F 1 1509 09 43 52 09 45 22 J0827+5217 11 05 00 56.9 -45.0 2.6 107.3 25 1 1 1509 09 45 22 09 46 22 =0824+524 11 06 00 56.8 -45.1 2.6 107.0 60 F 1 1513 09 45 40 09 46 22 J0828+5048 11 06 00 57.3 -47.7 2.6 105.0 -8 1 1 1513 09 46 22 09 49 21 --- 11 09 00 56.8 -47.9 2.7 104.2 172 F 1 1525 09 46 22 09 49 21 J0827+5217 11 09 00 56.3 -45.3 2.7 106.2 -8 1 1 1525 09 49 21 09 50 21 =0824+524 11 10 00 56.2 -45.4 2.7 106.0 52 F 1 1529 09 49 21 09 50 21 J0828+5048 11 10 00 56.7 -48.0 2.7 104.0 -8 1 1 1529 09 50 21 09 53 21 --- 11 13 00 56.2 -48.2 2.7 103.2 172 F 1 1540 09 50 21 09 53 21 J0827+5217 11 13 00 55.7 -45.6 2.7 105.2 -8 1 1 1540 09 53 21 09 54 20 =0824+524 11 14 00 55.6 -45.7 2.8 104.9 52 F 1 1544 09 53 21 09 54 20 J0828+5048 11 14 00 56.1 -48.2 2.7 103.0 -8 1 1 1544 09 54 20 09 57 20 --- 11 17 00 55.6 -48.4 2.8 102.2 172 F 1 1556 09 54 20 09 57 20 J0827+5217 11 17 00 55.2 -45.9 2.8 104.2 -8 1 1 1556 09 57 20 09 58 20 =0824+524 11 18 00 55.0 -46.0 2.8 103.9 52 F 1 1559 09 57 20 09 58 50 4C39.25 11 18 30 67.4 -69.9 1.8 93.3 -1 1 1 1559 09 58 50 10 04 49 --- 11 24 30 66.2 -70.1 1.9 92.2 358 F 1 1583 09 59 08 10 05 19 J0827+5217 11 25 00 54.0 -46.4 2.9 102.2 -1 1 1 1583 10 05 19 10 06 18 =0824+524 11 26 00 53.8 -46.4 3.0 102.0 59 F 1 1587 10 05 37 10 06 18 APM08279 11 26 00 54.3 -45.5 2.9 103.5 -7 1 1 1587 10 06 18 10 09 18 --- 11 29 00 53.8 -45.6 2.9 102.8 173 F 1 1598 10 06 18 10 09 18 J0827+5217 11 29 00 53.4 -46.6 3.0 101.2 -7 1 1 1598 10 09 18 10 10 18 =0824+524 11 30 00 53.2 -46.6 3.0 101.0 53 F 1 1602 10 09 18 Schedule for VLBA_PT (Code Pt ) Page 16 APM 08279+5255 at z=3.91 UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Tue 29 Jan 2008 Day 29 --- 10 10 18 APM08279 11 30 00 53.7 -45.7 3.0 102.5 -7 1 1 1602 10 10 18 10 13 17 --- 11 33 00 53.2 -45.9 3.0 101.8 173 F 1 1614 10 10 18 10 13 17 J0827+5217 11 33 00 52.8 -46.8 3.1 100.3 -7 1 1 1614 10 13 17 10 14 17 =0824+524 11 34 00 52.6 -46.8 3.1 100.1 53 F 1 1617 10 13 17 10 14 17 APM08279 11 34 00 53.1 -45.9 3.0 101.5 -7 1 1 1617 10 14 17 10 17 17 --- 11 37 00 52.7 -46.1 3.1 100.8 173 F 1 1629 10 14 17 10 17 17 J0827+5217 11 37 00 52.2 -47.0 3.1 99.4 -7 1 1 1629 10 17 17 10 18 16 =0824+524 11 38 00 52.0 -47.0 3.2 99.1 53 F 1 1633 10 17 17 10 18 16 APM08279 11 38 00 52.5 -46.1 3.1 100.6 -7 1 1 1633 10 18 16 10 21 16 --- 11 41 00 52.1 -46.2 3.1 99.9 173 F 1 1644 10 18 16 10 21 16 J0827+5217 11 41 00 51.6 -47.1 3.2 98.5 -7 1 1 1644 10 21 16 10 22 16 =0824+524 11 42 00 51.4 -47.1 3.2 98.2 53 F 1 1648 10 21 16 10 22 16 APM08279 11 42 00 51.9 -46.3 3.2 99.7 -7 1 1 1648 10 22 16 10 25 15 --- 11 45 00 51.5 -46.4 3.2 99.0 173 F 1 1660 10 22 16 10 25 15 J0827+5217 11 45 00 51.0 -47.2 3.3 97.6 -7 1 1 1660 10 25 15 10 26 15 =0824+524 11 46 00 50.8 -47.3 3.3 97.3 53 F 1 1664 10 25 15 10 26 15 APM08279 11 46 00 51.3 -46.4 3.2 98.7 -7 1 1 1664 10 26 15 10 29 15 --- 11 49 00 50.9 -46.5 3.3 98.1 173 F 1 1675 10 26 15 10 29 15 J0827+5217 11 49 00 50.3 -47.4 3.3 96.7 -7 1 1 1675 10 29 15 10 30 14 =0824+524 11 50 00 50.2 -47.4 3.4 96.5 53 F 1 1679 10 29 15 10 30 14 APM08279 11 50 00 50.7 -46.6 3.3 97.8 -7 1 1 1679 10 30 14 10 33 14 --- 11 53 00 50.3 -46.7 3.3 97.2 173 F 1 1691 10 30 14 10 33 14 J0827+5217 11 53 00 49.7 -47.5 3.4 95.8 -7 1 1 1691 10 33 14 10 34 14 =0824+524 11 54 00 49.6 -47.5 3.4 95.6 53 F 1 1695 10 33 14 10 34 14 APM08279 11 54 00 50.1 -46.7 3.4 97.0 -7 1 1 1695 10 34 14 10 37 13 --- 11 57 00 49.7 -46.8 3.4 96.3 173 F 1 1706 10 34 14 10 37 13 J0827+5217 11 57 00 49.1 -47.6 3.5 94.9 -7 1 1 1706 10 37 13 10 38 13 =0824+524 11 58 00 49.0 -47.6 3.5 94.7 53 F 1 1710 10 37 13 10 38 13 APM08279 11 58 00 49.5 -46.8 3.4 96.1 -7 1 1 1710 10 38 13 10 41 13 --- 12 01 00 49.1 -46.9 3.5 95.4 173 F 1 1722 10 38 13 Schedule for VLBA_PT (Code Pt ) Page 17 APM 08279+5255 at z=3.91 UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Tue 29 Jan 2008 Day 29 --- 10 41 13 J0827+5217 12 01 00 48.5 -47.6 3.5 94.1 -7 1 1 1722 10 41 13 10 42 13 =0824+524 12 02 00 48.4 -47.6 3.6 93.9 53 F 1 1725 10 41 13 10 42 13 APM08279 12 02 00 48.9 -46.9 3.5 95.2 -7 1 1 1725 10 42 13 10 45 12 --- 12 05 00 48.5 -47.0 3.5 94.6 173 F 1 1737 10 42 13 10 45 12 J0827+5217 12 05 00 47.9 -47.7 3.6 93.3 -7 1 1 1737 10 45 12 10 46 12 =0824+524 12 06 00 47.8 -47.7 3.6 93.1 53 F 1 1741 10 45 12 10 46 12 APM08279 12 06 00 48.3 -47.0 3.6 94.4 -7 1 1 1741 10 46 12 10 49 11 --- 12 09 00 47.8 -47.0 3.6 93.7 173 F 1 1753 10 46 12 10 49 11 J0827+5217 12 09 00 47.3 -47.7 3.7 92.4 -7 1 1 1753 10 49 11 10 50 11 =0824+524 12 10 00 47.1 -47.7 3.7 92.2 53 F 1 1756 10 49 11 10 50 11 APM08279 12 10 00 47.7 -47.0 3.6 93.5 -7 1 1 1756 10 50 11 10 53 11 --- 12 13 00 47.2 -47.1 3.7 92.9 173 F 1 1768 10 50 11 10 53 11 J0827+5217 12 13 00 46.7 -47.8 3.7 91.6 -7 1 1 1768 10 53 11 10 54 11 =0824+524 12 14 00 46.5 -47.8 3.8 91.4 53 F 1 1772 10 53 11 10 54 11 APM08279 12 14 00 47.1 -47.1 3.7 92.7 -7 1 1 1772 10 54 11 10 57 10 --- 12 17 00 46.6 -47.1 3.7 92.1 173 F 1 1783 10 54 11 10 57 10 J0827+5217 12 17 00 46.1 -47.8 3.8 90.8 -7 1 1 1783 10 57 10 10 58 10 =0824+524 12 18 00 45.9 -47.8 3.8 90.6 53 F 1 1787 10 57 10 10 58 10 APM08279 12 18 00 46.5 -47.1 3.8 91.9 -7 1 1 1787 10 58 10 11 01 09 --- 12 21 00 46.0 -47.1 3.8 91.3 172 F 1 1799 10 58 10 11 01 09 J0827+5217 12 21 00 45.5 -47.8 3.9 90.0 -7 1 1 1799 11 01 09 11 02 09 =0824+524 12 22 00 45.3 -47.8 3.9 89.8 53 F 1 1803 11 01 09 11 02 09 APM08279 12 22 00 45.9 -47.1 3.8 91.1 -7 1 1 1803 11 02 09 11 05 09 --- 12 25 00 45.4 -47.1 3.9 90.4 172 F 1 1814 11 02 09 11 05 09 J0827+5217 12 25 00 44.8 -47.8 3.9 89.2 -7 1 1 1814 11 05 09 11 06 09 =0824+524 12 26 00 44.7 -47.8 4.0 89.0 53 F 1 1818 11 05 09 11 06 09 APM08279 12 26 00 45.3 -47.1 3.9 90.2 -7 1 1 1818 11 06 09 11 09 08 --- 12 29 00 44.8 -47.1 3.9 89.7 172 F 1 1830 11 06 09 11 09 08 J0827+5217 12 29 00 44.2 -47.8 4.0 88.5 -7 1 1 1830 11 09 08 11 10 08 =0824+524 12 30 00 44.1 -47.8 4.0 88.3 53 F 1 1834 11 09 08 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: br131b.set Matches group v20cm_2 in /home/filehost/cwalker/sched/catalogs/freq.dat FD filtered above 1760. SC filtered above 1740. Setup group: 6 Station: VLBA_PT Total bit rate: 512 Format: VLBA1:2 Bits per sample: 2 Sample rate: 16.000 Number of channels: 16 Speedup factor: 1.00 Disk used to record data. 1st LO= 2400.00 2400.00 2400.00 2400.00 2400.00 2400.00 2400.00 2400.00 2400.00 2400.00 2400.00 2400.00 2400.00 2400.00 2400.00 2400.00 Net SB= L L U U L L U U L L U U L L U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 2 1 2 3 4 3 4 5 6 5 6 7 8 7 8 BBC SB= U U L L U U L L U U L L U U L L IF = A C A C A C A C A C A C A C A C VLBA FE= 20cm omit 20cm omit VLBA Synth= 15.4 2.4 15.4 The following frequency sets based on this setup were used. Frequency Set: 6 Setup file default. Used pcal sets: 1 LO sum= 1414.49 1414.49 1414.49 1414.49 1430.49 1430.49 1430.49 1430.49 1446.49 1446.49 1446.49 1446.49 1462.49 1462.49 1462.49 1462.49 BBC fr= 985.51 985.51 985.51 985.51 969.51 969.51 969.51 969.51 953.51 953.51 953.51 953.51 937.51 937.51 937.51 937.51 Bandwd= 8.000 8.000 8.000 8.000 8.000 8.000 8.000 8.000 8.000 8.000 8.000 8.000 8.000 8.000 8.000 8.000 The following pulse cal sets were used with this setup: Pulse cal detection set: 1 PCAL = 1MHZ PCALXB1= S1 S3 S5 S7 S9 S11 S13 S15 PCALXB2= S2 S4 S6 S8 S10 S12 S14 S16 PCALFR1= 490 510 490 510 490 510 490 510 PCALFR2= 490 510 490 510 490 510 490 510 Track assignments are: track1= 2, 10, 18, 26, 3, 11, 19, 27, 66, 74, 82, 90, 67, 75, 83, 91 barrel=roll_off SOURCE LIST -- APM 08279+5255 at z=3.91 Catalog positions marked with *. Precession of date coordinates is based on stop time of first scan. Names used in schedule marked with *. Short names used in VLA and SNAP files marked with +. Observation date used in B1950/J2000 coordinate conversion (PRECDATE): 1979.900 No adjustments are made for rates (DRA, DDEC). Scan hours are for recording scans only. Baseline hours are only counted for scans above horizon at both ends. Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * APM08279 08 27 57.997954 * 08 31 41.698000 08 32 21.226552 0.00 52 55 26.79664 * 52 45 17.46000 52 43 37.74682 0.00 From catalog imbedded in main SCHED input file. 5.286 scan hours, 228.014 baseline hours above horizon. J0555+3948 05 52 01.407172 * 05 55 30.805614 05 56 06.853418 0.26 0552+398 39 48 21.94585 * 39 48 49.16500 39 49 03.76522 0.40 * DA193 /home/filehost/cwalker/sched/catalogs/sources.vlba J0555+39 VLBA Calib Srcs - GSFC sols. - catalog 2004f_astro 0.100 scan hours, 3.932 baseline hours above horizon. * J0827+5217 08 24 10.281451 * 08 27 53.698146 08 28 33.147016 3.48 0824+524 52 27 54.37254 * 52 17 58.29603 52 16 21.07811 1.55 /home/filehost/cwalker/sched/catalogs/sources.vlba VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro 2.011 scan hours, 79.388 baseline hours above horizon. * J0828+5048 08 24 56.763443 * 08 28 36.391577 08 29 15.130617 7.81 50 58 25.19664 * 50 48 26.51073 50 46 48.72688 5.75 /home/filehost/cwalker/sched/catalogs/sources.vlba VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro 0.299 scan hours, 12.831 baseline hours above horizon. J0927+3902 09 23 55.319213 * 09 27 03.013934 09 27 35.982001 0.26 0923+392 39 15 23.56648 * 39 02 20.85188 39 00 07.79774 0.40 * 4C39.25 /home/filehost/cwalker/sched/catalogs/sources.vlba J0927+39 VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro 0.100 scan hours, 4.024 baseline hours above horizon. The solar corona can cause unstable phases for sources too close to the Sun. SCHED provides warnings at individual scans for distances less than 10 degrees. The distance from the Sun to each source in this schedule is: Source Sun distance (deg) APM08279 145.3 DA193 137.7 J0827+5217 145.7 J0828+5048 147.1 4C39.25 157.1 Barry Clark estimates from predictions by Ketan Desai of IPM scattering sizes that the Sun will cause amplitude reductions on the longest VLBA baselines at a solar distance of 60deg F^(-0.6) where F is in GHz. For common VLBI bands, this is: 327 MHz 117. deg 610 MHz 81. deg 1.6 GHz 45. deg 2.3 GHz 36. deg 5.0 GHz 23. deg 8.4 GHz 17. deg 15.0 GHz 12. deg 22.0 GHz 9. deg 43.0 GHz 6. deg