COVER INFORMATION Station: VLBA_HN (Code Hn ) Experiment: bw088 M87 movie. Walker, Ly, Junor, Hardee Exp. Code: bw088l Schedule Version: 1.00 Processed by SCHED version: 6.05 June 2006 PI: R.C. Walker Address: NRAO, P.O. Box O Socorro, NM 87801 USA Phone: +1-505-835-7247 (w) / +1-505-835-3972 (h) EMAIL: cwalker@nrao.edu Fax: +1-505-835-7027 Phone during observation: +1-505-835-7247 (w) / +1-505-835-3972 (h) Observing mode: VLBA Notes: COVER LETTER: This 18 session project is designed to provide a movie of jet component motions near the black hole in M87. Here is the key information from the time allocation email: PROPOSAL STATUS ( 01/10/2007 ): Approved for dynamic scheduling, high priority CURRENT TIME ALLOCATION: 18 times 10.0 hrs dynamically scheduled centered at LST 12.5 with 256 Mbits/sec recording Note request for 32 output spectral channels per baseband. ------------------------------------------------------------------------- Schedule for VLBA_HN (Code Hn ) Page 2 bw088 M87 movie. Walker, Ly, Junor, Hardee 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 ---------------------------------------------------------------------------------------- --- Sun 26 Aug 2007 Day 238 --- Next scan frequencies: 43119.49 43119.49 43135.49 43135.49 Next BBC frequencies: 719.49 719.49 735.49 735.49 Next scan bandwidths: 16.00 16.00 16.00 16.00 16 24 19 OJ287 09 54 32 64.0 213.2 1.0 25.3 0 1 1 0 16 23 49 16 26 19 --- 09 56 32 63.8 214.2 1.0 26.0 120 F 1 5 16 24 07 16 28 22 3C274 09 58 36 45.1 121.3 -2.5 -39.8 56 1 1 5 16 27 52 16 48 19 --- 10 18 36 48.1 126.9 -2.2 -36.8 1197 F 1 44 16 28 10 16 50 24 OJ287 10 20 41 61.0 224.8 1.4 33.3 54 1 1 44 16 49 54 16 52 24 --- 10 22 41 60.7 225.6 1.5 33.9 120 F 1 49 16 50 12 16 54 30 3C274 10 24 48 49.0 128.7 -2.1 -35.8 55 1 1 49 16 54 00 17 14 27 --- 10 44 48 51.7 135.1 -1.8 -32.0 1197 F 1 89 16 54 18 17 15 10 3C279 10 45 32 32.9 140.1 -2.2 -28.2 0 1 1 89 17 14 40 17 17 10 --- 10 47 32 33.1 140.6 -2.2 -27.8 120 F 1 94 17 14 58 17 17 54 3C274 10 48 16 52.2 136.2 -1.7 -31.2 0 1 1 94 17 17 24 17 37 51 --- 11 08 16 54.5 143.4 -1.4 -26.5 1197 F 1 133 17 17 42 17 39 50 OJ287 11 10 15 53.7 241.7 2.3 43.4 47 1 1 133 17 39 20 17 41 49 --- 11 12 15 53.3 242.3 2.3 43.7 120 F 1 138 17 39 38 17 43 46 3C274 11 14 12 55.2 145.7 -1.3 -25.0 47 1 1 138 17 43 16 17 48 46 --- 11 19 12 55.7 147.6 -1.2 -23.7 299 F 1 149 17 43 34 17 48 46 M84 11 19 12 56.7 149.6 -1.1 -22.3 -8 1 1 149 17 48 46 17 49 25 --- 11 19 52 56.7 149.9 -1.1 -22.1 32 F 1 150 17 48 46 17 49 25 3C274 11 19 52 55.7 147.9 -1.2 -23.5 -8 1 1 150 17 49 25 17 49 55 --- 11 20 22 55.8 148.1 -1.2 -23.3 22 F 1 151 17 49 25 17 49 55 M84 11 20 22 56.8 150.1 -1.1 -22.0 -8 1 1 151 17 49 55 17 50 35 --- 11 21 02 56.9 150.4 -1.1 -21.8 32 F 1 152 17 49 55 17 50 35 3C274 11 21 02 55.9 148.4 -1.2 -23.2 -8 1 1 152 17 50 35 17 51 05 --- 11 21 32 55.9 148.6 -1.2 -23.0 22 F 1 153 17 50 35 17 51 05 M84 11 21 32 56.9 150.6 -1.1 -21.7 -8 1 1 153 17 51 05 17 51 45 --- 11 22 12 57.0 150.8 -1.1 -21.5 32 F 1 154 17 51 05 Schedule for VLBA_HN (Code Hn ) Page 3 bw088 M87 movie. Walker, Ly, Junor, Hardee 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 ---------------------------------------------------------------------------------------- --- Sun 26 Aug 2007 Day 238 --- 17 51 45 3C274 11 22 12 56.0 148.8 -1.1 -22.8 -8 1 1 154 17 51 45 17 52 15 --- 11 22 42 56.0 149.0 -1.1 -22.7 22 F 1 155 17 51 45 17 52 15 M84 11 22 42 57.0 151.1 -1.0 -21.3 -8 1 1 155 17 52 15 17 52 55 --- 11 23 22 57.1 151.3 -1.0 -21.1 32 F 1 157 17 52 15 17 53 04 3C274 11 23 31 56.1 149.4 -1.1 -22.5 1 1 1 157 17 52 55 17 58 03 --- 11 28 31 56.5 151.4 -1.0 -21.0 299 F 1 167 17 52 55 18 00 03 3C279 11 30 31 37.5 152.6 -1.4 -19.8 76 1 1 167 17 59 33 18 02 02 --- 11 32 31 37.6 153.2 -1.4 -19.4 120 F 1 171 17 59 51 18 02 47 3C274 11 33 16 56.9 153.4 -1.0 -19.6 0 1 1 171 18 02 17 18 22 44 --- 11 53 16 58.3 162.1 -0.6 -13.3 1197 F 1 211 18 02 35 18 24 17 OJ287 11 54 49 46.1 253.1 3.0 48.2 26 1 1 211 18 23 47 18 26 16 --- 11 56 49 45.8 253.5 3.0 48.4 120 F 1 216 18 24 05 18 27 51 3C274 11 58 24 58.6 164.5 -0.5 -11.6 29 1 1 216 18 27 21 18 47 48 --- 12 18 24 59.3 173.9 -0.2 -4.6 1197 F 1 255 18 27 39 18 48 32 3C279 12 19 08 40.5 167.7 -0.6 -9.0 0 1 1 255 18 48 02 18 50 31 --- 12 21 08 40.6 168.4 -0.6 -8.5 120 F 1 260 18 48 20 18 51 16 3C274 12 21 53 59.4 175.5 -0.2 -3.3 1 1 1 260 18 50 46 19 11 12 --- 12 41 53 59.3 185.1 0.2 3.8 1197 F 1 300 18 51 04 19 12 57 OJ287 12 43 38 37.4 263.1 3.8 50.7 47 1 1 300 19 12 27 19 14 57 --- 12 45 38 37.0 263.4 3.8 50.8 120 F 1 305 19 12 45 19 16 47 3C274 12 47 28 59.2 187.8 0.3 5.8 53 1 1 305 19 16 17 19 36 43 --- 13 07 28 58.4 197.1 0.6 12.7 1197 F 1 344 19 16 35 19 37 28 3C279 13 08 12 41.2 183.8 0.2 2.8 4 1 1 344 19 36 58 19 39 27 --- 13 10 12 41.1 184.5 0.2 3.3 120 F 1 349 19 37 16 19 40 12 3C274 13 10 57 58.2 198.7 0.7 13.9 4 1 1 349 19 39 42 19 45 11 --- 13 15 57 57.9 200.9 0.7 15.5 299 F 1 360 19 40 00 19 45 11 M84 13 15 57 58.0 203.7 0.8 17.6 -8 1 1 360 19 45 11 19 45 51 --- 13 16 37 57.9 204.0 0.9 17.8 32 F 1 361 19 45 11 Schedule for VLBA_HN (Code Hn ) Page 4 bw088 M87 movie. Walker, Ly, Junor, Hardee 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 ---------------------------------------------------------------------------------------- --- Sun 26 Aug 2007 Day 238 --- 19 45 51 3C274 13 16 37 57.9 201.2 0.8 15.7 -8 1 1 361 19 45 51 19 46 21 --- 13 17 07 57.8 201.4 0.8 15.9 22 F 1 362 19 45 51 19 46 21 M84 13 17 07 57.9 204.2 0.9 17.9 -8 1 1 362 19 46 21 19 47 01 --- 13 17 47 57.9 204.5 0.9 18.2 32 F 1 363 19 46 21 19 47 01 3C274 13 17 47 57.8 201.7 0.8 16.1 -8 1 1 363 19 47 01 19 47 31 --- 13 18 17 57.8 201.9 0.8 16.3 22 F 1 364 19 47 01 19 47 31 M84 13 18 17 57.8 204.7 0.9 18.3 -8 1 1 364 19 47 31 19 48 10 --- 13 18 57 57.8 205.0 0.9 18.5 32 F 1 365 19 47 31 19 48 10 3C274 13 18 57 57.7 202.2 0.8 16.5 -8 1 1 365 19 48 10 19 48 40 --- 13 19 27 57.7 202.4 0.8 16.6 22 F 1 366 19 48 10 19 48 40 M84 13 19 27 57.7 205.2 0.9 18.7 -8 1 1 366 19 48 40 19 49 20 --- 13 20 07 57.7 205.5 0.9 18.9 32 F 1 368 19 48 40 19 49 29 3C274 13 20 16 57.6 202.8 0.8 16.9 1 1 1 368 19 49 20 19 54 28 --- 13 25 16 57.3 205.0 0.9 18.4 299 F 1 378 19 49 20 19 56 28 BLANKSKY 13 27 16 57.3 205.9 0.9 19.1 113 1 1 378 19 55 58 19 58 28 --- 13 29 16 57.1 206.8 1.0 19.7 120 F 1 382 19 56 16 20 00 19 OJ287 13 31 07 28.7 271.4 4.6 51.2 48 1 1 382 19 59 49 20 02 19 --- 13 33 07 28.4 271.8 4.6 51.2 120 F 1 387 20 00 07 20 04 08 3C274 13 34 57 56.4 209.0 1.1 21.3 47 1 1 387 20 03 38 20 24 05 --- 13 54 57 54.5 216.9 1.4 26.7 1197 F 1 427 20 03 56 20 24 49 3C279 13 55 41 39.4 199.2 1.0 14.0 8 1 1 427 20 24 19 20 26 49 --- 13 57 41 39.3 199.8 1.0 14.4 120 F 1 432 20 24 37 20 27 33 3C274 13 58 26 54.1 218.2 1.5 27.6 9 1 1 432 20 27 03 20 47 30 --- 14 18 26 51.6 225.2 1.8 32.1 1197 F 1 471 20 27 21 20 49 21 OJ287 14 20 18 19.8 279.4 5.4 50.3 42 1 1 471 20 48 51 20 51 21 --- 14 22 18 19.4 279.8 5.5 50.2 120 F 1 476 20 49 09 20 53 10 3C274 14 24 07 50.9 227.1 1.9 33.3 41 1 1 476 20 52 40 21 13 07 --- 14 44 07 48.1 233.2 2.2 36.9 1197 F 1 516 20 52 58 Schedule for VLBA_HN (Code Hn ) Page 5 bw088 M87 movie. Walker, Ly, Junor, Hardee 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 ---------------------------------------------------------------------------------------- --- Sun 26 Aug 2007 Day 238 --- 21 13 51 3C279 14 44 52 35.4 213.7 1.8 24.1 13 1 1 516 21 13 21 21 15 51 --- 14 46 52 35.2 214.3 1.8 24.5 120 F 1 520 21 13 39 21 16 36 3C274 14 47 37 47.6 234.2 2.3 37.5 14 1 1 520 21 16 06 21 36 32 --- 15 07 37 44.5 239.7 2.6 40.3 1197 F 1 560 21 16 24 21 38 38 OJ287 15 09 43 11.0 287.3 6.2 48.1 53 1 1 560 21 38 08 21 40 38 --- 15 11 43 10.6 287.6 6.3 48.0 120 F 1 565 21 38 26 21 42 44 3C274 15 13 49 43.5 241.3 2.7 41.1 54 1 1 565 21 42 14 21 47 43 --- 15 18 49 42.7 242.6 2.8 41.7 299 F 1 575 21 42 32 21 47 43 M84 15 18 49 42.1 244.4 2.9 42.6 -7 1 1 575 21 47 43 21 48 23 --- 15 19 29 42.0 244.6 2.9 42.7 33 F 1 577 21 47 43 21 48 23 3C274 15 19 29 42.6 242.7 2.8 41.8 -7 1 1 577 21 48 23 21 48 53 --- 15 19 59 42.5 242.9 2.8 41.8 23 F 1 578 21 48 23 21 48 53 M84 15 19 59 41.9 244.7 2.9 42.8 -7 1 1 578 21 48 53 21 49 33 --- 15 20 39 41.8 244.9 2.9 42.8 33 F 1 579 21 48 53 21 49 33 3C274 15 20 39 42.4 243.0 2.8 41.9 -7 1 1 579 21 49 33 21 50 03 --- 15 21 09 42.3 243.1 2.8 42.0 23 F 1 580 21 49 33 21 50 03 M84 15 21 09 41.7 245.0 2.9 42.9 -7 1 1 580 21 50 03 21 50 43 --- 15 21 49 41.6 245.2 2.9 43.0 33 F 1 581 21 50 03 21 50 43 3C274 15 21 49 42.2 243.3 2.8 42.0 -7 1 1 581 21 50 43 21 51 13 --- 15 22 19 42.1 243.4 2.9 42.1 23 F 1 582 21 50 43 21 51 13 M84 15 22 19 41.5 245.3 2.9 43.0 -7 1 1 582 21 51 13 21 51 52 --- 15 22 59 41.4 245.4 3.0 43.1 33 F 1 584 21 51 13 21 52 01 3C274 15 23 08 42.0 243.6 2.9 42.2 2 1 1 584 21 51 52 21 57 01 --- 15 28 08 41.2 244.8 2.9 42.7 299 F 1 593 21 51 52 21 57 44 3C279 15 28 52 30.3 225.3 2.5 31.5 16 1 1 593 21 57 14 21 59 44 --- 15 30 52 30.0 225.8 2.6 31.8 120 F 1 598 21 57 32 22 00 27 3C274 15 31 35 40.6 245.7 3.0 43.1 16 1 1 598 21 59 57 22 20 24 --- 15 51 35 37.2 250.2 3.3 44.8 1197 F 1 638 22 00 15 Schedule for VLBA_HN (Code Hn ) Page 6 bw088 M87 movie. Walker, Ly, Junor, Hardee 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 ---------------------------------------------------------------------------------------- --- Sun 26 Aug 2007 Day 238 --- 22 28 30 3C274 15 59 43 35.8 251.9 3.5 45.4 477 1 1 638 22 28 00 22 48 27 --- 16 19 43 32.3 256.0 3.8 46.7 1197 F 1 677 22 28 18 22 49 08 3C279 16 20 24 22.9 237.0 3.4 38.1 16 1 1 677 22 48 38 22 51 07 --- 16 22 24 22.6 237.5 3.4 38.3 120 F 1 682 22 48 56 22 51 48 3C274 16 23 04 31.7 256.7 3.9 46.8 16 1 1 682 22 51 18 23 11 44 --- 16 43 04 28.1 260.5 4.2 47.7 1197 F 1 722 22 51 36 23 12 24 3C279 16 43 44 19.3 241.8 3.8 40.5 15 1 1 722 23 11 44 23 14 23 --- 16 45 44 18.9 242.2 3.8 40.6 120 F 1 727 23 11 44 23 15 02 3C274 16 46 22 27.5 261.1 4.3 47.8 16 1 1 727 23 14 23 23 34 59 --- 17 06 22 23.9 264.7 4.6 48.3 1197 F 1 767 23 14 23 23 35 39 3C279 17 07 02 15.4 246.4 4.2 42.4 17 1 1 767 23 34 59 23 37 38 --- 17 09 02 15.1 246.8 4.2 42.6 120 F 1 772 23 34 59 23 38 19 BLANKSKY 17 09 43 23.4 265.5 4.6 48.4 18 1 1 772 23 37 49 23 40 19 --- 17 11 43 23.0 265.8 4.7 48.4 120 F 1 777 23 38 07 23 40 24 3C274 17 11 49 22.9 265.7 4.7 48.4 0 1 1 777 23 40 19 23 45 24 --- 17 16 49 21.9 266.6 4.8 48.4 299 F 1 787 23 40 19 23 45 24 M84 17 16 49 21.2 268.0 4.9 48.6 -7 1 1 787 23 45 24 23 46 04 --- 17 17 29 21.1 268.1 4.9 48.6 32 F 1 788 23 45 24 23 46 04 3C274 17 17 29 21.8 266.7 4.8 48.4 -7 1 1 788 23 46 04 23 46 33 --- 17 17 59 21.7 266.8 4.8 48.4 23 F 1 789 23 46 04 23 46 33 M84 17 17 59 21.0 268.2 4.9 48.6 -7 1 1 789 23 46 33 23 47 13 --- 17 18 39 20.9 268.3 4.9 48.6 32 F 1 790 23 46 33 23 47 13 3C274 17 18 39 21.6 266.9 4.8 48.5 -7 1 1 790 23 47 13 23 47 43 --- 17 19 09 21.5 267.0 4.8 48.5 23 F 1 791 23 47 13 23 47 43 M84 17 19 09 20.8 268.4 4.9 48.6 -7 1 1 791 23 47 43 23 48 23 --- 17 19 49 20.7 268.5 4.9 48.6 32 F 1 792 23 47 43 23 48 23 3C274 17 19 49 21.4 267.1 4.8 48.5 -7 1 1 792 23 48 23 23 48 53 --- 17 20 19 21.3 267.2 4.8 48.5 23 F 1 793 23 48 23 Schedule for VLBA_HN (Code Hn ) Page 7 bw088 M87 movie. Walker, Ly, Junor, Hardee 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 ---------------------------------------------------------------------------------------- --- Sun 26 Aug 2007 Day 238 --- 23 48 53 M84 17 20 19 20.6 268.6 4.9 48.7 -7 1 1 793 23 48 53 23 49 33 --- 17 20 59 20.5 268.7 4.9 48.7 32 F 1 795 23 48 53 23 49 42 3C274 17 21 08 21.2 267.3 4.8 48.5 1 1 1 795 23 49 33 23 54 41 --- 17 26 08 20.2 268.2 4.9 48.5 299 F 1 805 23 49 33 --- Start: Sun 26 Aug 2007 Day 238 -- Stop: Mon 27 Aug 2007 Day 239 --- 23 56 41 3C274 17 28 08 19.9 268.5 4.9 48.5 113 1 1 805 23 56 11 00 16 37 --- 17 48 08 16.2 271.9 5.3 48.5 1197 F 1 844 23 56 29 00 20 06 3C274 17 51 37 15.6 272.5 5.3 48.5 201 1 1 844 00 19 36 00 40 03 --- 18 11 37 11.9 275.9 5.7 48.2 1197 F 1 884 00 19 54 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: bw088.set Matches group v7mm_c8 in /home/filehost/cwalker/sched/catalogs/freq.dat Setup group: 2 Station: VLBA_HN Total bit rate: 256 Format: VLBA1:4 Bits per sample: 2 Sample rate: 32.000 Number of channels: 4 Speedup factor: 1.00 Disk used to record data. 1st LO= 42400.00 42400.00 42400.00 42400.00 Net SB= U U U U Pol. = RCP LCP RCP LCP BBC = 1 2 3 4 BBC SB= U U U U IF = 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: 2 Setup file default. Used pcal sets: 1 LO sum= 43119.49 43119.49 43135.49 43135.49 BBC fr= 719.49 719.49 735.49 735.49 Bandwd= 16.000 16.000 16.000 16.000 The following pulse cal sets were used with this setup: Pulse cal detection set: 1 PCAL = 1MHZ PCALXB1= S1 S3 S1 S3 S1 S2 S3 S4 PCALXB2= S2 S4 S2 S4 M1 M2 M3 M4 PCALFR1= 510 510 13510 13510 0 0 0 0 PCALFR2= 510 510 13510 13510 0 0 0 0 Track assignments are: track1= 2, 18, 3, 19 barrel=roll_off SOURCE LIST -- bw088 M87 movie. Walker, Ly, Junor, Hardee 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) * BLANKSKY 12 28 17.595540 * 12 30 49.423381 12 31 12.186750 0.00 12 50 01.74793 * 12 33 28.04383 12 31 01.38047 0.00 From catalog imbedded in main SCHED input file. Blank sky 10 arcmin from M87 0.066 scan hours, 2.992 baseline hours above horizon. J0854+2006 08 51 57.250618 * 08 54 48.874930 08 55 14.491228 0.21 0851+202 20 17 58.41741 * 20 06 30.64086 20 04 53.57790 0.40 J0854+20 /home/filehost/cwalker/sched/catalogs/sources.vlba * OJ287 VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro 0.332 scan hours, 13.230 baseline hours above horizon. J1225+1253 12 22 31.582015 * 12 25 03.743331 12 25 26.541420 0.32 * M84 13 09 49.76862 * 12 53 13.13923 12 50 46.17931 0.31 /home/filehost/cwalker/sched/catalogs/sources.vlba VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro 0.222 scan hours, 6.951 baseline hours above horizon. J1230+1223 12 28 17.569279 * 12 30 49.423381 12 31 12.189952 0.31 1228+126 12 40 01.74901 * 12 23 28.04383 12 21 01.35336 0.20 * 3C274 /home/filehost/cwalker/sched/catalogs/sources.vlba J1230+12 VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro 7.853 scan hours, 300.164 baseline hours above horizon. J1256-0547 12 53 35.831291 * 12 56 11.166559 12 56 34.423255 0.20 1253-055 -05 31 07.99586 *-05 47 21.52472 -05 49 49.43124 0.30 * 3C279 /home/filehost/cwalker/sched/catalogs/sources.vlba J1256-05 VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro 0.499 scan hours, 17.186 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) BLANKSKY 32.0 OJ287 22.8 M84 30.6 3C274 32.0 3C279 42.0 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