COVER INFORMATION Station: VLBA_FD (Code Fd ) Experiment: Mapping H2CO abs. in 4C31.04 and 3C293 Exp. Code: bd132b Schedule Version: 1.00 Processed by SCHED version: 6.05 June 2006 PI: JFD Address: Observatorio Astronomico Nacional Phone: 34 1 527 01 07 EMAIL: desmurs@oan.es Fax: 34 1 527 19 35 Phone during observation: 34 1 527 01 07 Observing mode: VLBA 2cm&6cm 128-2-2: 2 Pol & 1 spectral lines, 16MHz. Notes: This is a line experiment at 2 and 6 cm ** SWITCH PHAS CAL OFF ** please, thank you Schedule for VLBA_FD (Code Fd ) Page 2 Mapping H2CO abs. in 4C31.04 and 3C293 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. Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Tue 19 Feb 2008 Day 50 --- Next scan frequencies: 13857.87 13857.87 Next BBC frequencies: 957.87 957.87 Next scan bandwidths: 16.00 16.00 05 18 18 J1407+2827 08 16 42 15.9 66.0 -5.8 -63.3 0 1 1 0 05 18 18 05 21 18 =OQ208 08 19 42 16.4 66.3 -5.8 -63.6 180 F 1 3 05 18 36 05 21 32 3C293 08 19 57 20.6 64.9 -5.5 -65.9 0 1 1 3 05 21 32 05 46 28 --- 08 44 57 25.6 67.2 -5.1 -68.3 1496 F 1 27 05 21 50 05 46 43 J1407+2827 08 45 11 21.5 68.8 -5.4 -65.8 1 1 1 27 05 46 43 05 49 42 =OQ208 08 48 11 22.1 69.1 -5.3 -66.1 180 F 1 30 05 47 01 05 49 57 3C293 08 48 26 26.3 67.5 -5.1 -68.6 1 1 1 30 05 49 57 06 14 53 --- 09 13 26 31.3 69.6 -4.7 -70.9 1496 F 1 54 05 50 15 06 15 08 J1407+2827 09 13 41 27.3 71.5 -4.9 -68.1 1 1 1 54 06 15 08 06 18 07 =OQ208 09 16 41 27.9 71.8 -4.8 -68.3 180 F 1 57 06 15 26 Next scan frequencies: 4614.15 4614.15 Next BBC frequencies: 714.15 714.15 06 18 12 J1407+2827 09 16 45 27.9 71.8 -4.8 -68.3 0 1 1 57 06 18 07 06 21 11 =OQ208 09 19 45 28.5 72.1 -4.8 -68.6 180 F 1 60 06 18 07 06 21 26 3C293 09 20 00 32.6 70.1 -4.5 -71.4 1 1 1 60 06 21 26 06 46 22 --- 09 45 00 37.7 72.1 -4.1 -73.6 1496 F 1 84 06 21 44 06 46 37 J1407+2827 09 45 15 33.8 74.4 -4.4 -70.4 1 1 1 84 06 46 37 06 49 36 =OQ208 09 48 15 34.4 74.7 -4.3 -70.6 180 F 1 87 06 46 55 06 49 51 3C293 09 48 30 38.4 72.3 -4.1 -73.9 1 1 1 87 06 49 51 07 14 47 --- 10 13 30 43.5 74.2 -3.7 -75.9 1496 F 1 111 06 50 09 07 15 02 J1407+2827 10 13 45 39.7 76.9 -3.9 -72.3 1 1 1 111 07 15 02 07 18 01 =OQ208 10 16 45 40.3 77.1 -3.8 -72.5 180 F 1 114 07 15 20 Next scan frequencies: 13857.87 13857.87 Next BBC frequencies: 957.87 957.87 07 18 06 J1407+2827 10 16 49 40.4 77.1 -3.8 -72.5 0 1 1 114 07 18 01 07 21 05 =OQ208 10 19 49 41.0 77.4 -3.8 -72.7 180 F 1 117 07 18 01 Schedule for VLBA_FD (Code Fd ) Page 3 Mapping H2CO abs. in 4C31.04 and 3C293 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. Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Tue 19 Feb 2008 Day 50 --- 07 21 20 3C293 10 20 04 44.9 74.7 -3.5 -76.4 1 1 1 117 07 21 20 07 46 16 --- 10 45 04 50.1 76.4 -3.1 -78.4 1496 F 1 141 07 21 38 07 46 33 J1407+2827 10 45 21 46.4 79.6 -3.4 -74.2 4 1 1 141 07 46 33 07 49 33 =OQ208 10 48 21 47.0 79.9 -3.3 -74.4 180 F 1 144 07 46 51 07 49 50 3C293 10 48 39 50.9 76.6 -3.1 -78.7 4 1 1 144 07 49 50 08 14 46 --- 11 13 39 56.1 78.2 -2.7 -80.7 1496 F 1 168 07 50 08 08 15 03 J1407+2827 11 13 56 52.4 82.1 -2.9 -75.7 4 1 1 168 08 15 03 08 18 03 =OQ208 11 16 56 53.1 82.4 -2.8 -75.8 180 F 1 171 08 15 21 08 20 02 4C39.25 11 18 55 65.8 -62.2 1.9 101.7 17 1 1 171 08 20 02 08 24 31 --- 11 23 25 64.9 -62.6 1.9 100.6 269 F 1 175 08 20 20 Next scan frequencies: 4614.15 4614.15 Next BBC frequencies: 714.15 714.15 08 24 36 4C39.25 11 23 30 64.9 -62.6 1.9 100.6 0 1 1 175 08 24 31 08 29 05 --- 11 28 00 64.1 -63.0 2.0 99.5 269 F 1 180 08 24 31 08 31 02 J1407+2827 11 29 57 55.9 83.6 -2.6 -76.4 13 1 1 180 08 31 02 08 34 01 =OQ208 11 32 57 56.5 83.9 -2.6 -76.6 180 F 1 183 08 31 20 08 34 16 3C293 11 33 12 60.2 79.4 -2.3 -82.2 1 1 1 183 08 34 16 08 59 12 --- 11 58 12 65.5 80.8 -1.9 -84.3 1496 F 1 207 08 34 34 08 59 28 J1407+2827 11 58 28 62.0 86.3 -2.1 -77.5 3 1 1 207 08 59 28 09 02 28 =OQ208 12 01 28 62.6 86.6 -2.1 -77.6 180 F 1 210 08 59 46 09 02 44 3C293 12 01 45 66.3 80.9 -1.8 -84.6 3 1 1 210 09 02 44 09 27 40 --- 12 26 45 71.6 82.1 -1.4 -86.8 1496 F 1 234 09 03 02 09 27 57 J1407+2827 12 27 02 68.1 89.5 -1.7 -78.0 4 1 1 234 09 27 57 09 30 56 =OQ208 12 30 02 68.7 89.8 -1.6 -78.0 180 F 1 237 09 28 15 Next scan frequencies: 13857.87 13857.87 Next BBC frequencies: 957.87 957.87 09 31 01 J1407+2827 12 30 06 68.8 89.9 -1.6 -78.0 0 1 1 237 09 30 56 09 34 00 =OQ208 12 33 06 69.4 90.2 -1.6 -78.0 180 F 1 240 09 30 56 Schedule for VLBA_FD (Code Fd ) Page 4 Mapping H2CO abs. in 4C31.04 and 3C293 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. Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Tue 19 Feb 2008 Day 50 --- 09 34 17 3C293 12 33 23 73.0 82.3 -1.3 -87.4 4 1 1 240 09 34 17 09 59 13 --- 12 58 23 78.3 82.7 -0.9 -90.2 1496 F 1 264 09 34 35 09 59 28 J1407+2827 12 58 38 74.9 94.1 -1.1 -77.3 1 1 1 264 09 59 28 10 02 28 =OQ208 13 01 38 75.5 94.7 -1.1 -77.1 180 F 1 267 09 59 46 10 02 43 3C293 13 01 53 79.1 82.7 -0.8 -90.7 1 1 1 267 10 02 43 10 27 39 --- 13 26 53 84.4 80.5 -0.4 -96.2 1496 F 1 291 10 03 01 10 27 59 J1407+2827 13 27 13 81.0 101.8 -0.7 -73.3 0 1 1 291 10 27 59 10 30 58 =OQ208 13 30 13 81.6 103.1 -0.6 -72.4 180 F 1 294 10 28 17 10 33 04 4C39.25 13 32 20 40.0 -62.8 4.1 79.9 9 1 1 294 10 33 04 10 37 34 --- 13 36 50 39.2 -62.5 4.2 79.3 269 F 1 298 10 33 22 Next scan frequencies: 4614.15 4614.15 Next BBC frequencies: 714.15 714.15 10 37 38 4C39.25 13 36 54 39.1 -62.5 4.2 79.3 0 1 1 298 10 37 34 10 42 07 --- 13 41 24 38.3 -62.3 4.2 78.7 269 F 1 302 10 37 34 10 44 15 J1407+2827 13 43 33 84.4 111.7 -0.4 -65.3 6 1 1 302 10 44 15 10 47 15 =OQ208 13 46 33 84.9 114.8 -0.3 -62.6 180 F 1 305 10 44 33 10 48 00 3C293 13 47 18 88.6 56.1 -0.1 -123.2 0 1 1 305 10 48 00 11 12 56 --- 14 12 18 85.7 -78.4 0.3 99.0 1496 F 1 329 10 48 18 11 16 20 J1407+2827 14 15 43 87.1 219.6 0.1 38.6 0 1 1 329 11 16 20 11 19 20 =OQ208 14 18 43 86.7 228.6 0.2 47.2 180 F 1 332 11 16 38 11 20 00 3C293 14 19 23 84.2 279.3 0.4 95.9 0 1 1 332 11 20 00 11 44 55 --- 14 44 23 78.9 277.3 0.9 90.6 1496 F 1 356 11 20 18 11 45 42 J1407+2827 14 45 09 81.5 257.2 0.6 72.5 27 1 1 356 11 45 42 11 48 41 =OQ208 14 48 09 80.9 258.5 0.7 73.4 180 F 1 359 11 46 00 Next scan frequencies: 13857.87 13857.87 Next BBC frequencies: 957.87 957.87 11 48 46 J1407+2827 14 48 14 80.8 258.5 0.7 73.5 0 1 1 359 11 48 41 11 51 46 =OQ208 14 51 14 80.2 259.6 0.7 74.2 180 F 1 362 11 48 41 Schedule for VLBA_FD (Code Fd ) Page 5 Mapping H2CO abs. in 4C31.04 and 3C293 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. Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Tue 19 Feb 2008 Day 50 --- 11 52 23 3C293 14 51 52 77.3 277.3 1.0 89.6 20 1 1 362 11 52 23 12 17 19 --- 15 16 52 72.0 277.9 1.4 86.9 1496 F 1 386 11 52 41 12 17 44 J1407+2827 15 17 16 74.7 266.1 1.2 77.4 11 1 1 386 12 17 44 12 20 43 =OQ208 15 20 16 74.0 266.6 1.2 77.6 180 F 1 389 12 18 02 12 21 08 3C293 15 20 41 71.2 278.0 1.5 86.6 11 1 1 389 12 21 08 12 46 04 --- 15 45 41 65.8 279.2 1.9 84.4 1496 F 1 413 12 21 26 12 46 23 J1407+2827 15 46 00 68.5 270.3 1.6 78.0 7 1 1 413 12 46 23 12 49 22 =OQ208 15 49 00 67.8 270.7 1.7 78.0 180 F 1 416 12 46 41 12 51 23 3C345 15 51 01 76.0 405.7 -0.9 -126.7 24 1 1 416 12 51 23 12 55 52 --- 15 55 31 76.6 403.5 -0.8 -129.6 269 F 1 421 12 51 41 Next scan frequencies: 4614.15 4614.15 Next BBC frequencies: 714.15 714.15 12 55 57 3C345 15 55 36 76.7 403.4 -0.8 -129.7 1 1 1 421 12 55 52 13 00 27 --- 16 00 06 77.3 400.9 -0.7 -132.8 269 F 1 425 12 55 52 13 02 23 J1407+2827 16 02 03 65.0 272.2 1.9 77.8 25 1 1 425 13 02 23 13 05 23 =OQ208 16 05 03 64.4 272.5 2.0 77.8 180 F 1 428 13 02 41 13 05 39 3C293 16 05 19 61.7 280.2 2.2 82.8 5 1 1 428 13 05 39 13 30 35 --- 16 30 19 56.4 281.7 2.6 80.8 1496 F 1 452 13 05 57 13 30 51 J1407+2827 16 30 36 58.9 275.1 2.4 77.0 5 1 1 452 13 30 51 13 33 50 =OQ208 16 33 36 58.3 275.4 2.4 76.9 180 F 1 455 13 31 09 13 34 07 3C293 16 33 52 55.7 281.9 2.7 80.5 6 1 1 455 13 34 07 13 59 03 --- 16 58 52 50.4 283.5 3.1 78.5 1496 F 1 479 13 34 25 13 59 23 J1407+2827 16 59 12 52.8 277.7 2.9 75.8 9 1 1 479 13 59 23 14 02 22 =OQ208 17 02 12 52.1 278.0 2.9 75.6 180 F 1 482 13 59 41 Next scan frequencies: 13857.87 13857.87 Next BBC frequencies: 957.87 957.87 14 02 27 J1407+2827 17 02 17 52.1 278.0 2.9 75.6 0 1 1 482 14 02 22 14 05 26 =OQ208 17 05 17 51.5 278.3 3.0 75.5 180 F 1 485 14 02 22 Schedule for VLBA_FD (Code Fd ) Page 6 Mapping H2CO abs. in 4C31.04 and 3C293 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. Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Tue 19 Feb 2008 Day 50 --- 14 05 47 3C293 17 05 37 49.0 284.0 3.2 78.0 10 1 1 485 14 05 47 14 31 43 --- 17 31 37 43.6 285.8 3.6 75.9 1556 F 1 510 14 06 05 14 31 59 J1407+2827 17 31 54 45.8 280.6 3.4 74.1 6 1 1 510 14 31 59 14 34 58 =OQ208 17 34 54 45.2 280.9 3.5 73.9 180 F 1 513 14 32 17 14 35 14 3C293 17 35 10 42.9 286.1 3.7 75.6 5 1 1 513 14 35 14 15 01 10 --- 18 01 10 37.5 288.0 4.1 73.5 1556 F 1 538 14 35 32 15 01 25 J1407+2827 18 01 24 39.6 283.1 3.9 72.3 4 1 1 538 15 01 25 15 04 24 =OQ208 18 04 24 39.0 283.4 4.0 72.1 180 F 1 541 15 01 43 15 04 39 3C293 18 04 39 36.8 288.3 4.2 73.2 4 1 1 541 15 04 39 15 30 35 --- 18 30 39 31.5 290.3 4.6 71.0 1556 F 1 566 15 04 57 15 30 49 J1407+2827 18 30 54 33.5 285.7 4.4 70.3 5 1 1 566 15 30 49 15 33 49 =OQ208 18 33 54 32.9 286.0 4.4 70.1 180 F 1 569 15 31 07 15 35 01 3C345 18 35 07 65.5 299.6 1.9 103.2 2 1 1 569 15 35 01 15 39 31 --- 18 39 37 64.7 299.2 1.9 102.1 269 F 1 573 15 35 19 Next scan frequencies: 4614.15 4614.15 Next BBC frequencies: 714.15 714.15 15 39 35 3C345 18 39 41 64.7 299.2 1.9 102.1 0 1 1 573 15 39 31 15 44 04 --- 18 44 11 63.8 298.8 2.0 101.0 269 F 1 578 15 39 31 15 45 18 J1407+2827 18 45 25 30.5 287.0 4.6 69.3 1 1 1 578 15 45 18 15 48 18 =OQ208 18 48 25 29.9 287.3 4.7 69.1 180 F 1 581 15 45 36 15 48 32 3C293 18 48 40 27.9 291.8 4.9 69.4 4 1 1 581 15 48 32 16 14 28 --- 19 14 40 22.8 294.1 5.4 67.0 1556 F 1 606 15 48 50 16 14 42 J1407+2827 19 14 53 24.5 289.8 5.1 67.0 4 1 1 606 16 14 42 16 17 41 =OQ208 19 17 53 23.9 290.0 5.2 66.8 180 F 1 609 16 15 00 16 17 55 3C293 19 18 07 22.1 294.4 5.4 66.6 4 1 1 609 16 17 55 16 43 51 --- 19 44 07 17.0 296.9 5.9 64.1 1556 F 1 634 16 18 13 16 44 04 J1407+2827 19 44 20 18.6 292.6 5.6 64.6 4 1 1 634 16 44 04 16 47 03 =OQ208 19 47 20 18.0 292.9 5.7 64.3 180 F 1 637 16 44 22 Schedule for VLBA_FD (Code Fd ) Page 7 Mapping H2CO abs. in 4C31.04 and 3C293 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. Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Tue 19 Feb 2008 Day 50 --- 16 47 17 3C293 19 47 34 16.4 297.2 5.9 63.7 4 1 1 637 16 47 17 17 13 13 --- 20 13 34 11.5 299.9 6.3 61.0 1556 F 1 662 16 47 35 17 13 25 J1407+2827 20 13 47 12.8 295.6 6.1 61.9 4 1 1 662 17 13 25 17 16 15 =OQ208 20 16 37 12.2 295.9 6.2 61.6 170 F 1 664 17 13 43 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: h2co_2cm_3c293.set Matches group v2cm_b4 in /home/filehost/cwalker/sched/catalogs/freq.dat Second 2cm filter Setup group: 4 Station: VLBA_FD Total bit rate: 128 Format: VLBA1:4 Bits per sample: 2 Sample rate: 32.000 Number of channels: 2 Speedup factor: 1.00 Disk used to record data. 1st LO= 12900.00 12900.00 Net SB= U U Pol. = RCP LCP BBC = 1 2 BBC SB= U U IF = B D VLBA FE= omit 2cm omit 2cm VLBA Synth= 12.9 10.9 10.9 The following frequency sets based on this setup were used. Frequency Set: 4 Based on FREQ, BW, and/or DOPPLER in schedule. Used pcal sets: 1 LO sum= 13857.87 13857.87 BBC fr= 957.87 957.87 Bandwd= 16.000 16.000 The following pulse cal sets were used with this setup: Pulse cal detection set: 1 PCAL = OFF PCALXB1= S1 S2 OFF OFF OFF OFF OFF OFF PCALXB2= M1 M2 OFF OFF OFF OFF OFF OFF PCALFR1= 0 0 0 0 0 0 0 0 PCALFR2= 0 0 0 0 0 0 0 0 Track assignments are: track1= 2, 18 barrel=roll_off Setup file: h2co_6cm_3c293.set Matches group v6cm_1 in /home/filehost/cwalker/sched/catalogs/freq.dat Setup group: 14 Station: VLBA_FD Total bit rate: 128 Format: VLBA1:4 Bits per sample: 2 Sample rate: 32.000 Number of channels: 2 Speedup factor: 1.00 Disk used to record data. 1st LO= 3900.00 3900.00 Net SB= U U Pol. = RCP LCP BBC = 1 2 BBC SB= U U IF = A C VLBA FE= 6cm omit 6cm omit VLBA Synth= 15.4 3.9 15.4 The following frequency sets based on this setup were used. Frequency Set: 13 Based on FREQ, BW, and/or DOPPLER in schedule. Used pcal sets: 1 LO sum= 4614.15 4614.15 BBC fr= 714.15 714.15 Bandwd= 16.000 16.000 The following pulse cal sets were used with this setup: Pulse cal detection set: 1 PCAL = OFF PCALXB1= S1 S2 OFF OFF OFF OFF OFF OFF PCALXB2= M1 M2 OFF OFF OFF OFF OFF OFF PCALFR1= 0 0 0 0 0 0 0 0 PCALFR2= 0 0 0 0 0 0 0 0 Track assignments are: track1= 2, 18 barrel=roll_off SOURCE LIST -- Mapping H2CO abs. in 4C31.04 and 3C293 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) * 3C293 13 50 03.169212 * 13 52 17.800000 13 52 41.268215 0.00 31 41 32.80166 * 31 26 46.48000 31 24 00.28373 0.00 From catalog imbedded in main SCHED input file. Freq Redshiter z=0.0450 Doppler based on LSR frame and radio definition. Velocities: 0.00 0.00 9.241 scan hours, 367.477 baseline hours above horizon. * 4C39.25 09 23 55.319213 * 09 27 03.013934 09 27 36.259371 0.26 39 15 23.56648 * 39 02 20.85188 39 00 09.91363 0.40 From catalog imbedded in main SCHED input file. Doppler based on other sources. 0.299 scan hours, 12.790 baseline hours above horizon. * 3C345 16 41 17.606231 * 16 42 58.809968 16 43 15.439062 0.26 39 54 10.81494 * 39 48 36.99400 39 47 16.84094 0.40 From catalog imbedded in main SCHED input file. Doppler based on other sources. 0.299 scan hours, 13.462 baseline hours above horizon. * J1407+2827 14 04 45.615156 * 14 07 00.394414 14 07 23.744386 0.23 OQ208 28 41 29.23520 * 28 27 14.69023 28 24 33.72610 0.40 From catalog imbedded in main SCHED input file. VLBA Calib Survey-GSFC sols. L.Petrov 2005 Doppler based on other sources. 1.593 scan hours, 63.846 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) 3C293 124.9 4C39.25 150.9 3C345 90.8 J1407+2827 122.0 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