COVER INFORMATION Station: VLBA_MK (Code Mk ) Experiment: BM245C VLBA format 7 mm ~ 2300-1500 UT Exp. Code: BM245C Schedule Version: 1.00 Processed by SCHED version: 6.02 July 2005 PI: Alan P. Marscher Address: Dept. of Astronomy, Boston University 725 Commonwealth Ave. Boston, MA 02215 Phone: (617)353-5029 (office) or (508)655-1320 (cell) EMAIL: marscher@bu.edu Fax: (617)353-5704 Phone during observation: (617)353-5029 (office) or (508)655-1320 (cell) Observing mode: continuum Notes: Use all available antennas Can use 3C279 or 3C273 as a fringe finder Schedule for VLBA_MK (Code Mk ) Page 2 BM245C VLBA format 7 mm ~ 2300-1500 UT 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. 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 4 Apr 2006 Day 94 --- Next scan frequencies: 43201.49 43201.49 43209.49 43209.49 43217.49 43217.49 43225.49 43225.49 Next BBC frequencies: 801.49 801.49 809.49 809.49 817.49 817.49 825.49 825.49 Next scan bandwidths: 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 23 10 00 0735+178 01 40 40 6.4 73.5 -6.0 -71.2 0 1 1 0 23 10 00 23 20 00 --- 01 50 42 8.7 74.2 -5.8 -71.9 600 F 1 4000 23 10 13 23 30 00 0735+178 02 00 44 10.9 75.0 -5.6 -72.5 589 1 1 4000 23 30 00 23 40 00 --- 02 10 45 13.2 75.7 -5.5 -73.1 600 F 1 8000 23 30 13 23 50 00 0735+178 02 20 47 15.5 76.4 -5.3 -73.7 589 1 1 8000 23 50 00 23 59 59 --- 02 30 49 17.8 77.1 -5.1 -74.3 599 F 1 12000 23 50 13 --- Wed 5 Apr 2006 Day 95 --- 00 00 00 OJ287 02 30 49 1.3 69.1 -6.4 D -69.4 -37 1 1 12000 00 00 00 00 10 00 --- 02 40 50 3.5 69.9 -6.2 -70.2 0 F 1 16000 00 00 13 00 10 00 0735+178 02 40 50 20.1 77.8 -5.0 -74.8 -39 1 2 16000 00 10 00 00 20 00 --- 02 50 52 22.4 78.4 -4.8 -75.3 561 R 1 15200 00 10 00 00 26 00 0735+178 02 56 53 23.8 78.8 -4.7 -75.6 351 1 2 15200 00 26 00 00 33 00 --- 03 03 54 25.4 79.3 -4.6 -76.0 420 R 1 12400 00 26 13 00 33 00 OJ287 03 03 54 8.6 71.7 -5.9 -72.0 -40 1 2 12400 00 33 00 00 40 00 --- 03 10 55 10.2 72.2 -5.7 -72.5 380 R 1 9600 00 33 00 00 46 00 0735+178 03 16 56 28.4 80.1 -4.4 -76.6 318 1 2 9600 00 46 00 00 53 00 --- 03 23 57 30.1 80.5 -4.2 -76.9 420 R 1 6800 00 46 13 00 53 00 OJ287 03 23 57 13.1 73.1 -5.5 -73.4 -40 1 2 6800 00 53 00 01 00 00 --- 03 30 58 14.7 73.6 -5.4 -73.9 380 R 1 4000 00 53 00 01 12 00 OJ287 03 43 00 17.4 74.4 -5.2 -74.7 709 1 2 4000 01 12 00 01 20 00 --- 03 51 02 19.2 74.9 -5.1 -75.3 480 R 1 800 01 12 13 01 32 00 0735+178 04 03 04 39.2 82.9 -3.6 -78.5 674 1 3 800 01 32 00 01 39 00 --- 04 10 05 40.8 83.3 -3.5 -78.8 420 F 1 2000 01 32 13 Schedule for VLBA_MK (Code Mk ) Page 3 BM245C VLBA format 7 mm ~ 2300-1500 UT 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. 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 ---------------------------------------------------------------------------------------- --- Wed 5 Apr 2006 Day 95 --- 01 39 00 OJ287 04 10 05 23.6 76.0 -4.8 -76.5 -40 1 3 2000 01 39 00 01 46 00 --- 04 17 06 25.2 76.5 -4.6 -76.9 380 F 1 4800 01 39 00 01 46 00 1101+384 04 17 06 3.2 50.4 -6.8 -67.2 -50 1 3 4800 01 46 00 01 52 00 --- 04 23 07 4.3 50.8 -6.7 -68.1 310 F 1 7200 01 46 00 02 06 00 0735+178 04 37 09 47.1 85.0 -3.0 -79.7 748 1 3 7200 02 06 00 02 13 00 --- 04 44 10 48.8 85.5 -2.9 -79.9 420 F 1 10000 02 06 13 02 13 00 OJ287 04 44 10 31.4 78.0 -4.2 -78.5 -41 1 3 10000 02 13 00 02 20 00 --- 04 51 12 33.0 78.4 -4.1 -78.9 379 F 1 12800 02 13 00 02 20 00 1101+384 04 51 12 9.5 52.7 -6.2 -72.2 -53 1 3 12800 02 20 00 02 26 00 --- 04 57 13 10.6 53.1 -6.1 -73.1 307 F 1 15200 02 20 00 02 40 00 0735+178 05 11 15 55.1 87.2 -2.5 -80.6 745 1 4 15200 02 40 00 02 47 00 --- 05 18 16 56.8 87.7 -2.3 -80.7 420 R 1 17200 02 40 13 02 47 00 OJ287 05 18 16 39.3 79.8 -3.6 -80.4 -41 1 4 17200 02 47 00 02 54 00 --- 05 25 17 40.9 80.1 -3.5 -80.8 379 R 1 14400 02 47 00 03 02 00 1156+295 05 33 18 4.0 60.4 -6.4 -69.5 400 1 4 14400 03 02 00 03 08 00 --- 05 39 19 5.3 60.8 -6.3 -70.2 360 R 1 12000 03 02 13 03 20 00 1101+384 05 51 21 21.0 55.6 -5.2 -80.8 683 1 4 12000 03 20 00 03 25 00 --- 05 56 22 22.0 55.7 -5.1 -81.5 300 R 1 10000 03 20 13 03 25 00 OJ287 05 56 22 48.1 81.6 -3.0 -82.4 -58 1 4 10000 03 25 00 03 32 00 --- 06 03 23 49.7 82.0 -2.9 -82.7 362 R 1 7200 03 25 00 03 32 00 0735+178 06 03 23 67.4 91.4 -1.6 -80.9 -41 1 4 7200 03 32 00 03 37 00 --- 06 08 24 68.6 91.9 -1.5 -80.8 259 R 1 5200 03 32 00 03 37 00 1127-145 06 08 24 3.6 107.2 -5.4 -68.4 -136 1 4 5200 03 37 00 03 44 00 --- 06 15 25 5.2 107.8 -5.3 -67.9 284 R 1 2400 03 37 00 03 44 00 1156+295 06 15 25 12.8 63.2 -5.7 -74.3 -36 1 4 2400 03 44 00 03 49 00 --- 06 20 26 13.8 63.5 -5.7 -74.8 264 R 1 400 03 44 00 03 49 00 1219+285 06 20 26 8.9 63.1 -6.0 -72.2 -16 1 5 400 03 49 00 03 54 00 --- 06 25 27 10.0 63.5 -5.9 -72.8 284 F 1 2400 03 49 00 Schedule for VLBA_MK (Code Mk ) Page 4 BM245C VLBA format 7 mm ~ 2300-1500 UT 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. 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 ---------------------------------------------------------------------------------------- --- Wed 5 Apr 2006 Day 95 --- 04 05 00 1418+546 06 36 29 2.1 31.6 -7.7 D -57.9 633 1 5 2400 04 05 00 04 10 00 --- 06 41 30 2.7 32.0 -7.6 -58.9 0 F 1 4400 04 05 13 04 10 00 OJ287 06 41 30 58.6 83.6 -2.2 -84.7 -118 1 5 4400 04 10 00 04 17 00 --- 06 48 31 60.3 83.9 -2.1 -85.0 302 F 1 7200 04 10 00 04 17 00 0735+178 06 48 31 78.0 98.1 -0.8 -77.9 -41 1 5 7200 04 17 00 04 22 00 --- 06 53 32 79.2 99.4 -0.7 -77.0 259 F 1 9200 04 17 00 04 22 00 1127-145 06 53 32 13.6 111.6 -4.6 -64.9 -137 1 5 9200 04 22 00 04 27 00 --- 06 58 32 14.7 112.1 -4.5 -64.4 163 F 1 11200 04 22 00 04 27 00 1156+295 06 58 32 21.9 65.5 -5.0 -78.8 -37 1 5 11200 04 27 00 04 32 00 --- 07 03 33 23.0 65.8 -4.9 -79.4 263 F 1 13200 04 27 00 04 32 00 1219+285 07 03 33 18.1 65.7 -5.3 -76.7 -16 1 5 13200 04 32 00 04 37 00 --- 07 08 34 19.1 66.0 -5.2 -77.2 284 F 1 15200 04 32 00 04 37 00 3C273 07 08 34 9.9 91.4 -5.3 -70.2 -25 1 5 15200 04 37 00 04 43 00 --- 07 14 35 11.3 91.9 -5.2 -70.2 335 F 1 17600 04 37 00 04 43 00 3C279 07 14 35 2.3 97.0 -5.7 -69.8 -24 1 6 17600 04 43 00 04 49 00 --- 07 20 36 3.7 97.5 -5.6 -69.7 336 R 1 15200 04 43 00 04 49 00 1418+546 07 20 36 7.7 34.6 -7.0 -66.6 -48 1 6 15200 04 49 00 04 55 00 --- 07 26 37 8.5 35.0 -6.9 -67.8 312 R 1 12800 04 49 00 05 02 00 0735+178 07 33 38 87.6 151.2 -0.1 -28.4 256 1 6 12800 05 02 00 05 08 00 --- 07 39 39 87.9 187.5 0.0 7.4 360 R 1 10400 05 02 13 05 08 00 OJ287 07 39 39 72.3 85.8 -1.3 -87.7 -74 1 6 10400 05 08 00 05 14 00 --- 07 45 40 73.7 86.0 -1.2 -88.0 286 R 1 8000 05 08 00 05 14 00 1101+384 07 45 40 43.4 55.7 -3.3 -98.6 -67 1 6 8000 05 14 00 05 20 00 --- 07 51 41 44.6 55.4 -3.2 -99.7 293 R 1 5600 05 14 00 05 20 00 1127-145 07 51 41 26.0 118.6 -3.6 -58.7 -48 1 6 5600 05 20 00 05 26 00 --- 07 57 42 27.3 119.5 -3.5 -57.9 312 R 1 3200 05 20 00 05 26 00 1156+295 07 57 42 34.7 67.6 -4.0 -85.1 -41 1 6 3200 05 26 00 05 32 00 --- 08 03 43 36.0 67.7 -3.9 -85.8 319 R 1 800 05 26 00 Schedule for VLBA_MK (Code Mk ) Page 5 BM245C VLBA format 7 mm ~ 2300-1500 UT 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. 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 ---------------------------------------------------------------------------------------- --- Wed 5 Apr 2006 Day 95 --- 05 32 00 1219+285 08 03 43 31.1 68.3 -4.3 -82.8 -16 1 7 800 05 32 00 05 38 00 --- 08 09 44 32.4 68.5 -4.2 -83.4 344 F 1 1600 05 32 00 05 38 00 3C273 08 09 44 24.2 97.0 -4.3 -69.2 -25 1 7 1600 05 38 00 05 44 00 --- 08 15 45 25.6 97.5 -4.2 -69.0 335 F 1 4000 05 38 00 05 44 00 3C279 08 15 45 16.4 102.6 -4.7 -67.4 -24 1 7 4000 05 44 00 05 50 00 --- 08 21 46 17.8 103.2 -4.6 -67.0 336 F 1 6400 05 44 00 05 50 00 1418+546 08 21 46 16.2 37.4 -6.0 -78.5 -50 1 7 6400 05 50 00 05 55 00 --- 08 26 47 16.9 37.5 -5.9 -79.5 250 F 1 8400 05 50 00 05 55 00 1424+240 08 26 47 7.7 67.5 -6.0 -71.7 -26 1 7 8400 05 55 00 06 00 00 --- 08 31 48 8.8 67.8 -5.9 -72.2 274 F 1 10400 05 55 00 06 00 00 0735+178 08 31 48 77.2 262.7 0.9 78.4 -143 1 7 10400 06 00 00 06 09 00 --- 08 40 49 75.1 264.4 1.0 79.4 397 F 1 14000 06 00 00 06 09 00 OJ287 08 40 49 86.6 84.6 -0.2 -94.2 -126 1 7 14000 06 09 00 06 15 00 --- 08 46 50 88.0 81.4 -0.1 -97.9 234 F 1 16400 06 09 00 06 15 00 1101+384 08 46 50 55.0 50.9 -2.3 -111.8 -72 1 8 16400 06 15 00 06 20 00 --- 08 51 51 55.9 50.2 -2.2 -113.1 228 R 1 16800 06 15 00 06 20 00 1127-145 08 51 51 37.8 128.7 -2.6 -49.5 -58 1 8 16800 06 20 00 06 25 00 --- 08 56 52 38.7 129.7 -2.6 -48.5 242 R 1 14800 06 20 00 06 25 00 1156+295 08 56 52 47.6 68.0 -3.1 -92.1 -47 1 8 14800 06 25 00 06 30 00 --- 09 01 53 48.7 67.9 -3.0 -92.8 253 R 1 12800 06 25 00 06 30 00 1219+285 09 01 53 43.9 69.5 -3.3 -89.0 -16 1 8 12800 06 30 00 06 35 00 --- 09 06 53 45.0 69.5 -3.2 -89.6 284 R 1 10800 06 30 00 06 35 00 3C273 09 06 53 37.5 103.2 -3.4 -66.4 -28 1 8 10800 06 35 00 06 40 00 --- 09 11 54 38.6 103.9 -3.3 -66.1 272 R 1 8800 06 35 00 06 40 00 3C279 09 11 54 29.1 108.9 -3.7 -63.5 -25 1 8 8800 06 40 00 06 45 00 --- 09 16 55 30.3 109.6 -3.7 -63.0 275 R 1 6800 06 40 00 06 45 00 1418+546 09 16 55 24.2 38.3 -5.1 -89.4 -54 1 8 6800 06 45 00 06 50 00 --- 09 21 56 24.9 38.3 -5.0 -90.4 246 R 1 4800 06 45 00 Schedule for VLBA_MK (Code Mk ) Page 6 BM245C VLBA format 7 mm ~ 2300-1500 UT 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. 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 ---------------------------------------------------------------------------------------- --- Wed 5 Apr 2006 Day 95 --- 06 50 00 1424+240 09 21 56 19.9 71.0 -5.1 -76.4 -28 1 8 4800 06 50 00 06 55 00 --- 09 26 57 21.0 71.3 -5.0 -76.8 272 R 1 2800 06 50 00 07 02 00 OJ287 09 33 58 80.9 -86.6 0.6 90.1 294 1 9 2800 07 02 00 07 10 00 --- 09 41 59 79.0 -86.5 0.8 89.5 480 F 1 400 07 02 13 07 10 00 1101+384 09 41 59 64.3 39.9 -1.4 -129.8 -90 1 9 400 07 10 00 07 15 00 --- 09 47 00 65.1 38.4 -1.3 -132.0 210 F 1 2400 07 10 00 07 15 00 1127-145 09 47 00 47.0 141.8 -1.7 -37.0 -75 1 9 2400 07 15 00 07 20 00 --- 09 52 01 47.7 143.2 -1.6 -35.6 225 F 1 4400 07 15 00 07 20 00 1156+295 09 52 01 59.5 65.7 -2.1 -100.7 -58 1 9 4400 07 20 00 07 25 00 --- 09 57 02 60.6 65.3 -2.0 -101.6 242 F 1 6400 07 20 00 07 25 00 1219+285 09 57 02 56.0 68.6 -2.4 -96.2 -15 1 9 6400 07 25 00 07 30 00 --- 10 02 02 57.1 68.4 -2.3 -97.0 285 F 1 8400 07 25 00 07 30 00 3C273 10 02 02 49.8 111.6 -2.5 -61.1 -35 1 9 8400 07 30 00 07 35 00 --- 10 07 03 50.9 112.6 -2.4 -60.4 265 F 1 10400 07 30 00 07 35 00 3C279 10 07 03 41.1 117.2 -2.8 -57.3 -26 1 9 10400 07 35 00 07 40 00 --- 10 12 04 42.1 118.1 -2.7 -56.5 274 F 1 12400 07 35 00 07 40 00 1418+546 10 12 04 32.2 37.4 -4.1 -101.0 -60 1 9 12400 07 40 00 07 45 00 --- 10 17 05 32.9 37.3 -4.0 -102.1 240 F 1 14400 07 40 00 07 45 00 1424+240 10 17 05 32.2 73.8 -4.2 -80.8 -30 1 9 14400 07 45 00 07 50 00 --- 10 22 06 33.4 74.0 -4.1 -81.2 270 F 1 16400 07 45 00 07 50 00 1510-089 10 22 06 12.8 104.8 -4.9 -67.2 -47 1 10 16400 07 50 00 07 55 00 --- 10 27 07 13.9 105.2 -4.8 -66.8 253 R 1 16800 07 50 00 07 55 00 3C345 10 27 07 9.6 51.0 -6.3 -72.1 -42 1 10 16800 07 55 00 08 00 00 --- 10 32 07 10.5 51.3 -6.2 -72.9 258 R 1 14800 07 55 00 08 00 00 1652+398 10 32 07 8.5 50.7 -6.4 -71.2 -10 1 10 14800 08 00 00 08 05 00 --- 10 37 08 9.4 51.0 -6.3 -72.0 290 R 1 12800 08 00 00 08 05 00 1101+384 10 37 08 70.7 16.6 -0.5 -160.0 -129 1 10 12800 08 05 00 08 10 00 --- 10 42 09 71.0 13.8 -0.4 -163.4 171 R 1 10800 08 05 00 Schedule for VLBA_MK (Code Mk ) Page 7 BM245C VLBA format 7 mm ~ 2300-1500 UT 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. 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 ---------------------------------------------------------------------------------------- --- Wed 5 Apr 2006 Day 95 --- 08 10 00 1127-145 10 42 09 53.4 160.2 -0.8 -19.3 -104 1 10 10800 08 10 00 08 15 00 --- 10 47 10 53.7 162.1 -0.7 -17.4 196 R 1 8800 08 10 00 08 15 00 1156+295 10 47 10 71.0 56.8 -1.2 -115.6 -76 1 10 8800 08 15 00 08 20 00 --- 10 52 11 72.0 55.3 -1.1 -117.7 224 R 1 6800 08 15 00 08 20 00 1219+285 10 52 11 67.9 63.4 -1.5 -107.4 -14 1 10 6800 08 20 00 08 25 00 --- 10 57 11 69.0 62.4 -1.4 -108.9 286 R 1 4800 08 20 00 08 25 00 3C273 10 57 11 61.3 125.4 -1.5 -50.1 -48 1 10 4800 08 25 00 08 30 00 --- 11 02 12 62.2 127.1 -1.5 -48.6 252 R 1 2800 08 25 00 08 30 00 3C279 11 02 12 52.0 129.4 -1.9 -46.9 -27 1 10 2800 08 30 00 08 35 00 --- 11 07 13 52.9 130.8 -1.8 -45.7 273 R 1 800 08 30 00 08 35 00 1418+546 11 07 13 39.8 34.5 -3.2 -114.0 -70 1 11 800 08 35 00 08 40 00 --- 11 12 14 40.5 34.1 -3.1 -115.3 230 F 1 1200 08 35 00 08 40 00 1424+240 11 12 14 44.8 75.7 -3.3 -85.1 -34 1 11 1200 08 40 00 08 45 00 --- 11 17 15 45.9 75.9 -3.2 -85.6 266 F 1 3200 08 40 00 08 45 00 1510-089 11 17 15 25.1 110.8 -3.9 -63.0 -48 1 11 3200 08 45 00 08 50 00 --- 11 22 16 26.2 111.4 -3.8 -62.5 252 F 1 5200 08 45 00 08 50 00 3C345 11 22 16 19.8 53.6 -5.3 -80.3 -45 1 11 5200 08 50 00 08 55 00 --- 11 27 16 20.8 53.8 -5.3 -81.1 255 F 1 7200 08 50 00 08 55 00 1652+398 11 27 16 18.7 53.5 -5.4 -79.4 -10 1 11 7200 08 55 00 09 00 00 --- 11 32 17 19.7 53.6 -5.4 -80.2 290 F 1 9200 08 55 00 09 02 00 1101+384 11 34 18 70.5 -17.6 0.5 158.8 12 1 11 9200 09 02 00 09 08 00 --- 11 40 19 70.1 -20.8 0.6 154.8 360 F 1 11600 09 02 13 09 08 00 1127-145 11 40 19 55.3 184.2 0.2 4.1 -143 1 11 11600 09 08 00 09 13 00 --- 11 45 19 55.1 186.3 0.2 6.1 157 F 1 13600 09 08 00 09 13 00 1156+295 11 45 19 80.0 18.7 -0.2 -159.8 -118 1 11 13600 09 13 00 09 19 00 --- 11 51 20 80.4 11.2 -0.1 -167.9 242 F 1 16000 09 13 00 09 19 00 1219+285 11 51 20 79.1 38.2 -0.5 -138.7 -24 1 12 16000 09 19 00 09 25 00 --- 11 57 21 79.9 32.5 -0.4 -145.0 336 R 1 16800 09 19 00 Schedule for VLBA_MK (Code Mk ) Page 8 BM245C VLBA format 7 mm ~ 2300-1500 UT 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. 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 ---------------------------------------------------------------------------------------- --- Wed 5 Apr 2006 Day 95 --- 09 25 00 3C273 11 57 21 70.6 155.2 -0.5 -23.2 -88 1 12 16800 09 25 00 09 31 00 --- 12 03 22 71.1 159.5 -0.4 -19.3 272 R 1 14400 09 25 00 09 31 00 3C279 12 03 22 61.2 151.6 -0.9 -26.7 -26 1 12 14400 09 31 00 09 37 00 --- 12 09 23 61.9 154.5 -0.8 -24.1 334 R 1 12000 09 31 00 09 37 00 1418+546 12 09 23 47.5 27.7 -2.2 -131.3 -90 1 12 12000 09 37 00 09 43 00 --- 12 15 24 48.1 26.8 -2.1 -133.2 270 R 1 9600 09 37 00 09 43 00 1424+240 12 15 24 59.2 76.6 -2.2 -90.9 -39 1 12 9600 09 43 00 09 48 00 --- 12 20 25 60.3 76.5 -2.1 -91.4 261 R 1 7600 09 43 00 09 48 00 1510-089 12 20 25 38.6 120.2 -2.9 -55.5 -50 1 12 7600 09 48 00 09 54 00 --- 12 26 26 39.8 121.3 -2.8 -54.5 310 R 1 5200 09 48 00 09 54 00 3C345 12 26 26 32.1 54.8 -4.3 -90.1 -50 1 12 5200 09 54 00 10 00 00 --- 12 32 27 33.3 54.7 -4.2 -91.1 310 R 1 2800 09 54 00 10 00 00 1652+398 12 32 27 31.2 54.8 -4.4 -89.3 -10 1 12 2800 10 00 00 10 05 00 --- 12 37 28 32.1 54.8 -4.3 -90.1 290 R 1 800 10 00 00 10 05 00 1101+384 12 37 28 62.8 -42.6 1.5 126.0 -71 1 13 800 10 05 00 10 10 00 --- 12 42 29 62.0 -43.8 1.6 124.1 229 F 1 1200 10 05 00 10 10 00 1127-145 12 42 29 51.1 208.4 1.2 27.6 -174 1 13 1200 10 10 00 10 15 00 --- 12 47 30 50.5 210.1 1.3 29.2 126 F 1 3200 10 10 00 10 15 00 1156+295 12 47 30 75.7 313.3 0.8 128.4 -75 1 13 3200 10 15 00 10 20 00 --- 12 52 30 74.8 310.8 0.9 125.3 225 F 1 5200 10 15 00 10 20 00 1219+285 12 52 30 79.1 321.7 0.5 138.6 -15 1 13 5200 10 20 00 10 25 00 --- 12 57 31 78.3 317.6 0.6 134.0 285 F 1 7200 10 20 00 10 25 00 3C273 12 57 31 70.9 202.0 0.5 20.6 -83 1 13 7200 10 25 00 10 30 00 --- 13 02 32 70.5 205.5 0.6 23.9 217 F 1 9200 10 25 00 10 30 00 3C279 13 02 32 64.3 183.4 0.1 3.3 -21 1 13 9200 10 30 00 10 35 00 --- 13 07 33 64.2 186.3 0.2 6.0 279 F 1 11200 10 30 00 10 35 00 1418+546 13 07 33 52.8 17.4 -1.2 -151.1 -119 1 13 11200 10 35 00 10 40 00 --- 13 12 34 53.1 16.4 -1.1 -152.9 181 F 1 13200 10 35 00 Schedule for VLBA_MK (Code Mk ) Page 9 BM245C VLBA format 7 mm ~ 2300-1500 UT 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. 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 ---------------------------------------------------------------------------------------- --- Wed 5 Apr 2006 Day 95 --- 10 40 00 1424+240 13 12 34 72.2 73.7 -1.2 -99.3 -44 1 13 13200 10 40 00 10 45 00 --- 13 17 34 73.3 73.1 -1.2 -100.4 256 F 1 15200 10 40 00 10 45 00 1510-089 13 17 34 49.4 132.8 -1.9 -44.4 -54 1 13 15200 10 45 00 10 50 00 --- 13 22 35 50.3 134.2 -1.8 -43.1 246 F 1 17200 10 45 00 10 50 00 3C345 13 22 35 42.8 53.6 -3.3 -99.9 -60 1 14 17200 10 50 00 10 55 00 --- 13 27 36 43.8 53.3 -3.3 -100.8 240 R 1 15200 10 50 00 10 55 00 1652+398 13 27 36 41.7 53.9 -3.4 -98.7 -10 1 14 15200 10 55 00 11 00 00 --- 13 32 37 42.7 53.7 -3.4 -99.6 290 R 1 13200 10 55 00 11 02 00 1219+285 13 34 37 71.4 -59.7 1.2 112.9 38 1 14 13200 11 02 00 11 08 00 --- 13 40 38 70.2 -61.2 1.3 110.7 360 R 1 10800 11 02 13 11 08 00 3C273 13 40 38 65.1 226.6 1.2 43.1 -198 1 14 10800 11 08 00 11 14 00 --- 13 46 39 64.1 229.1 1.3 45.3 162 R 1 8400 11 08 00 11 14 00 3C279 13 46 39 61.6 207.0 0.8 25.4 -21 1 14 8400 11 14 00 11 20 00 --- 13 52 40 60.9 209.7 0.9 28.0 339 R 1 6000 11 14 00 11 20 00 1418+546 13 52 40 55.1 367.0 -0.5 -168.7 -111 1 14 6000 11 20 00 11 25 00 --- 13 57 41 55.2 365.7 -0.4 -170.8 189 R 1 4000 11 20 00 11 25 00 1424+240 13 57 41 82.1 418.7 -0.5 -118.6 -60 1 14 4000 11 25 00 11 30 00 --- 14 02 42 83.0 414.1 -0.4 -123.6 240 R 1 2000 11 25 00 ----------- Tape Change ------------ 11 30 00 1510-089 14 02 42 56.3 147.4 -1.2 -30.9 -184 2 1 2000 11 30 00 11 36 00 --- 14 08 43 57.0 149.8 -1.1 -28.7 176 F 1 400 11 30 00 11 36 00 3C345 14 08 43 51.4 50.3 -2.6 -109.7 -72 2 1 400 11 36 00 11 42 00 --- 14 14 44 52.5 49.6 -2.5 -111.2 288 F 1 2800 11 36 00 11 42 00 1652+398 14 14 44 50.5 50.8 -2.7 -108.5 -10 2 1 2800 11 42 00 11 48 00 --- 14 20 45 51.6 50.2 -2.6 -109.9 350 F 1 5200 11 42 00 11 48 00 3C273 14 20 45 57.5 240.3 1.9 54.8 -133 2 1 5200 11 48 00 11 56 00 --- 14 28 46 55.9 242.3 2.0 56.5 347 F 1 8400 11 48 00 11 56 00 3C279 14 28 46 55.8 223.9 1.5 40.9 -18 2 1 8400 11 56 00 12 01 00 --- 14 33 47 54.9 225.5 1.6 42.4 282 F 1 10400 11 56 00 Schedule for VLBA_MK (Code Mk ) Page 10 BM245C VLBA format 7 mm ~ 2300-1500 UT 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. 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 ---------------------------------------------------------------------------------------- --- Wed 5 Apr 2006 Day 95 --- 12 01 00 1418+546 14 33 47 55.3 356.5 0.2 174.3 -93 2 1 10400 12 01 00 12 07 00 --- 14 39 48 55.2 354.9 0.3 171.8 267 F 1 12800 12 01 00 12 07 00 1424+240 14 39 48 85.1 324.4 0.2 143.3 -66 2 1 12800 12 07 00 12 12 00 --- 14 44 49 84.3 315.1 0.3 133.5 234 F 1 14800 12 07 00 12 12 00 1510-089 14 44 49 60.2 165.8 -0.5 -13.5 -106 2 1 14800 12 12 00 12 18 00 --- 14 50 50 60.6 168.7 -0.4 -10.7 254 F 1 17200 12 12 00 12 18 00 3C345 14 50 50 58.7 44.2 -1.9 -121.4 -89 2 2 17200 12 18 00 12 24 00 --- 14 56 51 59.7 43.0 -1.8 -123.4 271 R 1 14800 12 18 00 12 24 00 1652+398 14 56 51 57.9 45.2 -2.0 -119.8 -10 2 2 14800 12 24 00 12 30 00 --- 15 02 52 58.9 44.0 -1.9 -121.7 350 R 1 12400 12 24 00 12 30 00 1418+546 15 02 52 54.5 -10.7 0.7 162.5 -43 2 2 12400 12 30 00 12 36 00 --- 15 08 53 54.2 -12.2 0.8 160.1 317 R 1 10000 12 30 00 12 36 00 1424+240 15 08 53 79.6 -65.8 0.7 110.4 -57 2 2 10000 12 36 00 12 42 00 --- 15 14 54 78.3 -68.1 0.8 107.5 303 R 1 7600 12 36 00 12 42 00 1510-089 15 14 54 61.1 180.9 0.0 0.8 -172 2 2 7600 12 42 00 12 48 00 --- 15 20 55 61.0 183.9 0.1 3.7 188 R 1 5200 12 42 00 12 48 00 3C345 15 20 55 63.3 37.0 -1.4 -132.5 -104 2 2 5200 12 48 00 12 54 00 --- 15 26 56 64.2 35.2 -1.3 -135.1 256 R 1 2800 12 48 00 12 54 00 1652+398 15 26 56 62.7 38.4 -1.5 -130.5 -9 2 2 2800 12 54 00 13 00 00 --- 15 32 57 63.5 36.7 -1.4 -133.0 351 R 1 400 12 54 00 13 02 00 1418+546 15 34 57 52.6 -18.0 1.2 150.2 78 2 3 400 13 02 00 13 08 00 --- 15 40 58 52.2 -19.2 1.3 148.0 360 F 1 2800 13 02 13 13 08 00 1510-089 15 40 58 60.3 193.9 0.5 13.3 -148 2 3 2800 13 08 00 13 14 00 --- 15 46 59 59.9 196.8 0.6 16.0 212 F 1 5200 13 08 00 13 14 00 3C345 15 46 59 66.7 28.1 -0.9 -144.8 -118 2 3 5200 13 14 00 13 20 00 --- 15 53 00 67.3 25.6 -0.8 -148.0 242 F 1 7600 13 14 00 13 20 00 1652+398 15 53 00 66.1 30.0 -1.0 -142.2 -9 2 3 7600 13 20 00 13 24 00 --- 15 57 01 66.6 28.5 -1.0 -144.3 231 F 1 9200 13 20 00 Schedule for VLBA_MK (Code Mk ) Page 11 BM245C VLBA format 7 mm ~ 2300-1500 UT 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. 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 ---------------------------------------------------------------------------------------- --- Wed 5 Apr 2006 Day 95 --- 13 24 00 1510-089 15 57 01 59.1 201.4 0.7 20.4 -121 2 3 9200 13 24 00 13 30 00 --- 16 03 02 58.6 204.1 0.8 22.9 239 F 1 11600 13 24 00 13 30 00 1418+546 16 03 02 50.3 336.7 1.7 140.2 -94 2 3 11600 13 30 00 13 35 00 --- 16 08 02 49.8 335.8 1.8 138.6 206 F 1 13600 13 30 00 13 35 00 3C345 16 08 02 68.6 378.8 -0.6 -156.8 -44 2 3 13600 13 35 00 13 40 00 --- 16 13 03 69.0 376.3 -0.5 -159.9 256 F 1 15600 13 35 00 13 40 00 1652+398 16 13 03 68.2 381.6 -0.7 -153.2 -10 2 3 15600 13 40 00 13 44 00 --- 16 17 04 68.5 379.8 -0.6 -155.6 230 F 1 17200 13 40 00 13 44 00 1510-089 16 17 04 57.1 210.0 1.1 28.4 -119 2 4 17200 13 44 00 13 50 00 --- 16 23 05 56.3 212.3 1.2 30.6 241 R 1 14800 13 44 00 13 50 00 1418+546 16 23 05 48.3 333.4 2.1 133.7 -87 2 4 14800 13 50 00 13 55 00 --- 16 28 06 47.7 332.6 2.1 132.1 213 R 1 12800 13 50 00 13 55 00 3C345 16 28 06 69.7 368.4 -0.3 -169.7 -50 2 4 12800 13 55 00 14 00 00 --- 16 33 07 69.9 365.7 -0.2 -173.1 250 R 1 10800 13 55 00 14 00 00 1652+398 16 33 07 69.6 371.6 -0.3 -165.7 -10 2 4 10800 14 00 00 14 04 00 --- 16 37 07 69.7 369.5 -0.3 -168.4 230 R 1 9200 14 00 00 14 04 00 1510-089 16 37 07 54.5 217.5 1.4 35.4 -107 2 4 9200 14 04 00 14 10 00 --- 16 43 08 53.6 219.5 1.5 37.3 253 R 1 6800 14 04 00 14 10 00 1418+546 16 43 08 46.1 330.6 2.4 127.6 -80 2 4 6800 14 10 00 14 15 00 --- 16 48 09 45.5 330.0 2.5 126.1 220 R 1 4800 14 10 00 14 15 00 3C345 16 48 09 70.0 357.2 0.1 176.6 -55 2 4 4800 14 15 00 14 20 00 --- 16 53 10 69.9 354.4 0.2 173.2 245 R 1 2800 14 15 00 14 20 00 1652+398 16 53 10 70.1 360.5 0.0 -179.4 -10 2 5 2800 14 20 00 14 30 00 --- 17 03 11 70.0 354.9 0.2 173.7 590 F 1 1200 14 20 00 14 30 00 3C345 17 03 11 69.6 349.0 0.3 166.4 -10 2 5 1200 14 30 00 14 40 00 --- 17 13 13 69.0 343.7 0.5 160.0 590 F 1 5200 14 30 00 14 40 00 1652+398 17 13 13 69.6 349.4 0.3 167.0 -10 2 5 5200 14 40 00 14 50 00 --- 17 23 15 69.1 344.1 0.5 160.5 590 F 1 9200 14 40 00 Schedule for VLBA_MK (Code Mk ) Page 12 BM245C VLBA format 7 mm ~ 2300-1500 UT 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. 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 ---------------------------------------------------------------------------------------- --- Wed 5 Apr 2006 Day 95 --- 14 50 00 3C345 17 23 15 68.2 338.9 0.7 153.8 -9 2 5 9200 14 50 00 15 00 00 --- 17 33 16 67.3 334.4 0.8 148.1 591 F 1 13200 14 50 00 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: /home/arana/cwalker/sched/setups/v7mm-128-8-1.set Matches group v7mm_c8 in /home/arana/cwalker/sched/catalogs/freq.dat Setup group: 10 Station: VLBA_MK Total bit rate: 128 Format: VLBA1:4 Bits per sample: 1 Sample rate: 16.000 Number of channels: 8 Passes/head pos: 1 Speedup factor: 2.00 Tape used at high density at 80.000 ips. Time per pass is 44.00 minutes. 1st LO= 42400.00 42400.00 42400.00 42400.00 42400.00 42400.00 42400.00 42400.00 Net SB= U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 2 3 4 5 6 7 8 BBC SB= U U U U U U U U IF = A C A C A C A C VLBA FE= 7mm omit 7mm omit VLBA Synth= 15.4 7.6 11.6 The following frequency sets based on this setup were used. Frequency Set: 10 Setup file default. Used pcal sets: 1 LO sum= 43201.49 43201.49 43209.49 43209.49 43217.49 43217.49 43225.49 43225.49 BBC fr= 801.49 801.49 809.49 809.49 817.49 817.49 825.49 825.49 Bandwd= 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 S1 S3 S5 S7 PCALXB2= S2 S4 S6 S8 S2 S4 S6 S8 PCALFR1= 510 510 510 510 6510 6510 6510 6510 PCALFR2= 510 510 510 510 6510 6510 6510 6510 Track assignments are: track1= 2, 10, 18, 26, 3, 11, 19, 27 barrel=roll_auto SOURCE LIST -- BM245C VLBA format 7 mm ~ 2300-1500 UT 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) J0738+1742 07 35 14.126463 * 07 38 07.393751 07 38 29.254555 0.32 * 0735+178 17 49 09.26245 * 17 42 18.99824 17 41 33.84128 0.20 J0738+17 /home/arana/cwalker/sched/catalogs/sources.vlba VLBA Calib Srcs - GSFC sols. - catalog 2004f_astro 1.666 scan hours, 63.104 baseline hours above horizon. J0854+2006 08 51 57.250617 * 08 54 48.874929 08 55 11.021859 0.21 0851+202 20 17 58.41740 * 20 06 30.64085 20 05 09.45723 0.40 J0854+20 /home/arana/cwalker/sched/catalogs/sources.vlba * OJ287 VLBA Calib Srcs - GSFC sols. - catalog 2004f_astro 1.950 scan hours, 71.266 baseline hours above horizon. J1104+3812 11 01 40.567852 * 11 04 27.313941 11 04 49.910550 0.26 * 1101+384 38 28 42.95197 * 38 12 31.79904 38 10 32.34293 0.40 J1104+38 /home/arana/cwalker/sched/catalogs/sources.vlba VLBA Calib Srcs - GSFC sols. - catalog 2004f_astro 1.183 scan hours, 39.597 baseline hours above horizon. J1130-1449 11 27 35.667234 * 11 30 07.052594 11 30 26.951723 0.23 * 1127-145 -14 32 54.44302 *-14 49 27.38819 -14 51 39.43666 0.32 J1130-14 /home/arana/cwalker/sched/catalogs/sources.vlba VLBA Calib Srcs - GSFC sols. - catalog 2004f_astro 0.817 scan hours, 20.216 baseline hours above horizon. J1159+2914 11 56 57.786208 * 11 59 31.833909 11 59 52.733222 0.23 * 1156+295 29 31 25.73874 * 29 14 43.82684 29 12 34.56678 0.40 J1159+29 /home/arana/cwalker/sched/catalogs/sources.vlba VLBA Calib Srcs - GSFC sols. - catalog 2004f_astro 1.133 scan hours, 36.900 baseline hours above horizon. J1221+2813 12 19 01.115614 * 12 21 31.690534 12 21 52.162214 0.25 * 1219+285 28 30 36.52556 * 28 13 58.50011 28 11 47.91029 0.42 J1221+28 /home/arana/cwalker/sched/catalogs/sources.vlba VLBA Calib Srcs - GSFC sols. - catalog 2004f_astro 1.233 scan hours, 47.574 baseline hours above horizon. J1229+0203 12 26 33.245835 * 12 29 06.699731 12 29 27.080609 0.30 1226+023 02 19 43.30564 * 02 03 08.59814 02 00 55.78809 0.20 * 3C273 /home/arana/cwalker/sched/catalogs/sources.vlba 3C273B VLBA Calib Srcs - GSFC sols. - catalog 2004f_astro J1229+02 1.067 scan hours, 32.502 baseline hours above horizon. J1256-0547 12 53 35.831289 * 12 56 11.166557 12 56 31.724085 0.20 1253-055 -05 31 07.99581 *-05 47 21.52467 -05 49 32.79243 0.31 * 3C279 /home/arana/cwalker/sched/catalogs/sources.vlba J1256-05 VLBA Calib Srcs - GSFC sols. - catalog 2004f_astro 0.900 scan hours, 32.383 baseline hours above horizon. J1419+5423 14 18 06.187307 * 14 19 46.597402 14 20 01.847518 0.34 * 1418+546 54 36 58.06474 * 54 23 14.78715 54 21 17.29897 0.40 J1419+54 /home/arana/cwalker/sched/catalogs/sources.vlba VLBA Calib Srcs - GSFC sols. - catalog 2004f_astro 1.333 scan hours, 42.931 baseline hours above horizon. J1427+2348 14 24 44.222636 * 14 27 00.391789 14 27 18.846869 0.29 * 1424+240 24 01 25.78946 * 23 48 00.03758 23 46 04.37970 0.48 J1427+23 /home/arana/cwalker/sched/catalogs/sources.vlba VLBA Calib Srcs - GSFC sols. - catalog 2004f_astro 0.850 scan hours, 28.529 baseline hours above horizon. J1512-0905 15 10 08.900179 * 15 12 50.532927 15 13 11.679300 0.20 * 1510-089 -08 54 47.61955 *-09 05 59.82970 -09 07 36.17585 0.30 J1512-09 /home/arana/cwalker/sched/catalogs/sources.vlba VLBA Calib Srcs - GSFC sols. - catalog 2004f_astro 1.133 scan hours, 30.121 baseline hours above horizon. J1642+3948 16 41 17.606231 * 16 42 58.809968 16 43 12.513086 0.26 1641+399 39 54 10.81493 * 39 48 36.99399 39 47 30.90625 0.40 * 3C345 /home/arana/cwalker/sched/catalogs/sources.vlba J1642+39 VLBA Calib Srcs - GSFC sols. - catalog 2004f_astro 1.333 scan hours, 46.903 baseline hours above horizon. J1653+3945 16 52 11.729419 * 16 53 52.216684 16 54 05.740493 0.26 * 1652+398 39 50 25.15733 * 39 45 36.60891 39 44 35.71897 0.40 DA426 /home/arana/cwalker/sched/catalogs/sources.vlba J1653+39 VLBA Calib Srcs - GSFC sols. - catalog 2004f_astro 1.167 scan hours, 50.720 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) 0735+178 98.1 OJ287 115.2 1101+384 128.7 1127-145 157.1 1156+295 142.2 1219+285 144.7 3C273 169.5 3C279 179.8 1418+546 117.1 1424+240 142.9 1510-089 146.0 3C345 110.6 1652+398 108.8 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