COVER INFORMATION Station: VLBA_BR (Code Br ) Experiment: bw070 M84 Black hole. Ly, Walker, Wrobel. Exp. Code: bw070 Schedule Version: 1.00 Processed by SCHED version: Release of 18 Sept. 2003 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: 1156+295 and 3C273 non-recording scans are for GB and EB pointing. 1156+295 recording scans are not for pointing. VLBA will observe other sources during GB and/or EB pointing scans. Schedule for VLBA_BR (Code Br ) Page 2 bw070 M84 Black hole. Ly, Walker, Wrobel. 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). 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) ---------------------------------------------------------------------------------------- --- Sun 4 Apr 2004 Day 95 --- 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 23 00 00 0420-014 03 55 39 40.2 170.9 -0.5 -6.1 0 1 1 0 23 00 00 23 05 00 --- 04 00 39 40.3 172.5 -0.4 -5.0 300 F 1 4000 --- Mon 5 Apr 2004 Day 96 --- 01 54 54 M84 06 51 02 13.8 86.0 -5.6 -43.1 10131 1 1 4000 01 54 54 02 03 54 --- 07 00 03 15.3 87.7 -5.4 -43.2 540 F 1 11200 02 04 06 M84 07 00 15 15.3 87.7 -5.4 -43.2 7 1 2 11200 02 04 06 02 15 06 --- 07 11 17 17.2 89.8 -5.2 -43.2 660 R 1 15200 02 15 15 3C274 07 11 26 15.9 89.1 -5.3 -43.1 0 1 2 15200 02 15 06 02 17 15 --- 07 13 26 16.2 89.5 -5.3 -43.1 120 R 1 13481 02 19 15 M84 07 15 26 17.9 90.5 -5.2 -43.2 111 1 2 13481 02 19 15 02 26 15 --- 07 22 28 19.1 91.9 -5.0 -43.2 420 R 1 7881 02 26 20 M84 07 22 32 19.1 91.9 -5.0 -43.2 0 1 3 7881 02 26 15 02 37 20 --- 07 33 34 20.9 94.0 -4.9 -43.1 660 F 1 979 02 37 46 3C274 07 34 01 19.7 93.3 -5.0 -43.0 18 1 3 979 02 37 46 02 39 46 --- 07 36 01 20.0 93.7 -4.9 -43.0 120 F 1 2579 02 40 14 M84 07 36 29 21.4 94.5 -4.8 -43.0 19 1 3 2579 02 40 14 02 49 14 --- 07 45 31 22.9 96.3 -4.7 -42.9 540 F 1 9779 02 49 26 M84 07 45 42 22.9 96.3 -4.7 -42.9 7 1 4 9779 02 49 26 03 00 26 --- 07 56 44 24.7 98.5 -4.5 -42.6 660 R 1 16621 03 00 52 3C274 07 57 11 23.5 97.8 -4.6 -42.6 18 1 4 16621 03 00 52 03 02 52 --- 07 59 11 23.8 98.2 -4.5 -42.6 120 R 1 15021 03 03 20 M84 07 59 38 25.2 99.0 -4.4 -42.5 19 1 4 15021 03 03 20 03 12 20 --- 08 08 40 26.7 100.8 -4.3 -42.3 540 R 1 7821 03 12 31 M84 08 08 52 26.7 100.9 -4.3 -42.2 7 1 5 7821 03 12 31 03 23 31 --- 08 19 53 28.5 103.1 -4.1 -41.8 660 F 1 979 Schedule for VLBA_BR (Code Br ) Page 3 bw070 M84 Black hole. Ly, Walker, Wrobel. 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). 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) ---------------------------------------------------------------------------------------- --- Mon 5 Apr 2004 Day 96 --- 03 23 58 3C274 08 20 19 27.3 102.4 -4.2 -41.9 18 1 5 979 03 23 58 03 25 58 --- 08 22 20 27.6 102.8 -4.1 -41.8 120 F 1 2579 03 26 25 M84 08 22 47 29.0 103.7 -4.0 -41.7 18 1 5 2579 03 26 25 03 35 25 --- 08 31 48 30.5 105.6 -3.9 -41.2 540 F 1 9779 03 35 36 M84 08 32 00 30.5 105.7 -3.9 -41.2 7 1 6 9779 03 35 36 03 46 36 --- 08 43 02 32.3 108.0 -3.7 -40.6 660 R 1 16621 03 48 36 M84 08 45 02 32.6 108.5 -3.7 -40.5 114 1 6 16621 03 48 36 03 53 36 --- 08 50 03 33.4 109.6 -3.6 -40.2 300 R 1 12621 03 53 52 3C274 08 50 19 32.1 108.8 -3.7 -40.3 8 1 6 12621 03 53 52 03 55 52 --- 08 52 20 32.4 109.2 -3.6 -40.2 120 R 1 11021 03 57 33 1156+295 08 54 01 49.9 100.9 -3.1 -48.7 60 1 6 11021 03 57 33 04 00 33 --- 08 57 01 50.4 101.6 -3.0 -48.5 180 R 1 8621 04 01 53 M84 08 58 21 34.7 111.5 -3.4 -39.6 42 1 6 8621 04 01 53 04 09 53 --- 09 06 23 35.9 113.3 -3.3 -39.0 480 R 1 2221 04 10 05 M84 09 06 34 35.9 113.4 -3.3 -38.9 7 1 7 2221 04 10 05 04 21 05 --- 09 17 36 37.6 116.0 -3.1 -38.0 660 F 1 6579 04 21 30 3C274 09 18 02 36.4 115.1 -3.2 -38.2 17 1 7 6579 04 21 30 04 23 30 --- 09 20 02 36.7 115.6 -3.2 -38.0 120 F 1 8179 04 23 57 M84 09 20 29 38.0 116.7 -3.1 -37.7 18 1 7 8179 04 23 57 04 32 57 --- 09 29 30 39.4 118.9 -2.9 -36.8 540 F 1 15379 04 33 08 M84 09 29 42 39.4 119.0 -2.9 -36.8 7 1 8 15379 04 33 08 04 44 08 --- 09 40 44 41.0 121.8 -2.7 -35.6 660 R 1 11021 04 44 13 M84 09 40 48 41.0 121.9 -2.7 -35.6 0 1 8 11021 04 44 08 04 49 43 --- 09 46 19 41.8 123.3 -2.6 -34.9 330 R 1 6561 04 49 52 3C274 09 46 28 40.6 122.2 -2.7 -35.3 1 1 8 6561 04 49 43 04 51 52 --- 09 48 28 40.9 122.7 -2.7 -35.1 120 R 1 4843 04 56 27 J1635+3808 09 53 04 21.3 56.1 -6.7 -44.8 225 1 8 4843 04 56 27 05 00 27 =1633+38 09 57 05 21.9 56.7 -6.6 -45.2 240 R 1 1643 Schedule for VLBA_BR (Code Br ) Page 4 bw070 M84 Black hole. Ly, Walker, Wrobel. 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). 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) ---------------------------------------------------------------------------------------- --- Mon 5 Apr 2004 Day 96 --- 05 02 27 M84 09 59 05 43.5 126.8 -2.4 -33.2 67 1 9 1643 05 02 27 05 09 27 --- 10 06 07 44.4 128.8 -2.3 -32.2 420 F 1 3957 05 12 40 M84 10 09 20 44.9 129.8 -2.3 -31.8 186 1 9 3957 05 12 40 05 27 40 --- 10 24 22 46.7 134.3 -2.0 -29.3 900 F 1 15957 05 28 01 3C274 10 24 43 45.6 133.0 -2.1 -30.0 13 1 9 15957 05 28 01 05 30 01 --- 10 26 43 45.9 133.6 -2.1 -29.7 120 F 1 17557 05 30 22 M84 10 27 05 47.0 135.1 -2.0 -28.9 13 1 10 17557 05 30 22 05 45 22 --- 10 42 07 48.7 140.0 -1.7 -26.1 900 R 1 5557 05 47 22 M84 10 44 08 48.9 140.6 -1.7 -25.7 114 1 11 5557 05 47 22 05 54 22 --- 10 51 09 49.7 143.0 -1.6 -24.3 420 F 1 43 05 54 49 M84 10 51 36 49.7 143.2 -1.6 -24.2 22 1 11 43 05 54 49 06 09 49 --- 11 06 38 51.1 148.5 -1.3 -21.0 900 F 1 12043 06 10 09 3C274 11 06 58 50.2 146.8 -1.4 -22.0 12 1 11 12043 06 10 09 06 12 09 --- 11 08 58 50.4 147.5 -1.4 -21.5 120 F 1 13643 06 12 29 M84 11 09 19 51.4 149.5 -1.3 -20.4 12 1 12 13643 06 12 29 06 27 29 --- 11 24 21 52.5 155.1 -1.0 -16.8 900 R 1 9557 06 29 29 M84 11 26 21 52.7 155.9 -1.0 -16.3 114 1 12 9557 06 29 29 06 36 29 --- 11 33 23 53.1 158.6 -0.9 -14.5 420 R 1 3957 06 36 48 M84 11 33 42 53.1 158.7 -0.9 -14.4 14 1 13 3957 06 36 48 06 51 48 --- 11 48 44 53.9 164.8 -0.6 -10.4 900 F 1 8043 06 52 06 3C274 11 49 03 53.2 162.7 -0.7 -11.7 11 1 13 8043 06 52 06 06 54 06 --- 11 51 03 53.3 163.5 -0.7 -11.2 120 F 1 9643 06 54 25 M84 11 51 22 54.0 165.8 -0.6 -9.6 11 1 14 9643 06 54 25 07 09 25 --- 12 06 24 54.5 172.1 -0.3 -5.4 900 R 1 13557 07 11 25 M84 12 08 25 54.6 172.9 -0.3 -4.9 114 1 14 13557 07 11 25 07 18 25 --- 12 15 26 54.7 175.8 -0.2 -2.8 420 R 1 7957 ----------- Tape Change ------------ 07 18 38 M84 12 15 38 54.7 175.9 -0.2 -2.8 8 2 1 7957 07 18 38 07 33 38 --- 12 30 41 54.7 182.3 0.1 1.6 900 F 1 4043 Schedule for VLBA_BR (Code Br ) Page 5 bw070 M84 Black hole. Ly, Walker, Wrobel. 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). 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) ---------------------------------------------------------------------------------------- --- Mon 5 Apr 2004 Day 96 --- 07 33 55 3C274 12 30 58 54.2 180.0 0.0 0.0 10 2 1 4043 07 33 55 07 35 55 --- 12 32 58 54.2 180.8 0.0 0.5 120 F 1 5643 07 36 12 M84 12 33 16 54.7 183.4 0.1 2.3 10 2 2 5643 07 36 12 07 51 12 --- 12 48 18 54.4 189.7 0.4 6.6 900 R 1 17557 07 53 12 M84 12 50 19 54.3 190.5 0.4 7.2 114 2 2 17557 07 53 12 08 02 12 --- 12 59 20 54.0 194.2 0.6 9.7 540 R 1 10357 08 04 12 J1635+3808 13 01 20 50.5 84.2 -3.6 -57.6 41 2 2 10357 08 04 12 08 08 12 =1633+38 13 05 21 51.2 84.9 -3.5 -57.7 240 R 1 7157 08 10 14 M84 13 07 23 53.7 197.5 0.7 11.9 41 2 3 7157 08 10 14 08 19 14 --- 13 16 24 53.2 201.1 0.9 14.3 540 F 1 43 08 21 24 M84 13 18 35 53.0 201.9 0.9 14.8 124 2 3 43 08 21 24 08 36 24 --- 13 33 38 52.0 207.7 1.1 18.6 900 F 1 12043 08 36 40 3C274 13 33 54 51.9 205.4 1.0 17.0 8 2 3 12043 08 36 40 08 38 40 --- 13 35 54 51.8 206.1 1.1 17.5 120 F 1 13643 08 38 56 M84 13 36 10 51.8 208.7 1.2 19.2 9 2 4 13643 08 38 56 08 53 56 --- 13 51 13 50.5 214.1 1.4 22.6 900 R 1 9557 08 54 01 M84 13 51 17 50.5 214.1 1.4 22.6 0 2 4 9557 08 53 56 09 03 01 --- 14 00 19 49.6 217.3 1.6 24.5 540 R 1 2297 09 03 05 M84 14 00 23 49.6 217.3 1.6 24.5 0 2 5 2297 09 03 01 09 18 05 --- 14 15 26 48.0 222.3 1.8 27.4 900 F 1 9762 09 18 21 3C274 14 15 41 48.1 220.2 1.7 26.2 8 2 5 9762 09 18 21 09 20 21 --- 14 17 41 47.9 220.8 1.8 26.5 120 F 1 11362 09 20 36 M84 14 17 57 47.7 223.1 1.9 27.9 8 2 6 11362 09 20 36 09 35 36 --- 14 32 59 45.9 227.8 2.1 30.5 900 R 1 11838 09 35 41 M84 14 33 04 45.9 227.8 2.1 30.5 0 2 6 11838 09 35 36 09 44 41 --- 14 42 06 44.7 230.5 2.3 31.9 540 R 1 4575 09 44 46 M84 14 42 11 44.7 230.5 2.3 31.9 0 2 7 4575 09 44 41 09 59 46 --- 14 57 13 42.7 234.8 2.5 34.0 900 F 1 7490 Schedule for VLBA_BR (Code Br ) Page 6 bw070 M84 Black hole. Ly, Walker, Wrobel. 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). 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) ---------------------------------------------------------------------------------------- --- Mon 5 Apr 2004 Day 96 --- 10 00 01 3C274 14 57 28 43.1 232.9 2.4 33.0 8 2 7 7490 10 00 01 10 02 01 --- 14 59 28 42.8 233.4 2.5 33.3 120 F 1 9090 10 02 16 M84 14 59 44 42.4 235.5 2.6 34.3 8 2 8 9090 10 02 16 10 17 16 --- 15 14 46 40.3 239.4 2.8 36.1 900 R 1 14110 10 19 16 M84 15 16 47 40.0 240.0 2.9 36.3 114 2 8 14110 10 19 16 10 28 16 --- 15 25 48 38.7 242.2 3.0 37.3 540 R 1 6910 10 30 22 J1635+3808 15 27 54 74.2 123.0 -1.1 -45.3 40 2 8 6910 10 30 22 10 34 22 =1633+38 15 31 54 74.7 125.1 -1.1 -43.9 240 R 1 3710 10 36 30 M84 15 34 03 37.4 244.3 3.1 38.1 43 2 9 3710 10 36 30 10 51 30 --- 15 49 05 35.1 247.8 3.4 39.3 900 F 1 8290 10 51 39 3C274 15 49 14 35.6 246.1 3.3 38.7 2 2 9 8290 10 51 30 10 53 39 --- 15 51 15 35.3 246.6 3.3 38.8 120 F 1 10006 10 53 47 M84 15 51 23 34.8 248.3 3.4 39.5 2 2 10 10006 10 53 39 11 08 47 --- 16 06 26 32.4 251.7 3.7 40.5 900 R 1 13078 11 08 52 M84 16 06 30 32.4 251.7 3.7 40.5 0 2 10 13078 11 08 47 11 23 52 --- 16 21 33 30.0 255.0 3.9 41.4 900 R 1 1018 11 25 57 J1635+3808 16 23 38 79.8 166.9 -0.2 -11.1 20 2 11 1018 11 25 57 11 28 57 =1633+38 16 26 39 79.9 170.2 -0.1 -8.3 180 F 1 1382 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: bw070.set Matches group v7mm_c8 in /mnt/mach/mach/cwalker/code/sched/catalogs/freq.dat Setup group: 1 Station: VLBA Total bit rate: 256 Format: VLBA1:4 Bits per sample: 2 Sample rate: 32.000 Number of channels: 4 Passes/head pos: 1 Speedup factor: 1.00 Tape speeds: Low density - 266.660 ips, High density - 160.00 ips Time per pass for 17600 ft, High density tapes is: 00:22:00 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: 1 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_auto SOURCE LIST -- bw070 M84 Black hole. Ly, Walker, Wrobel. 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). Source Source position (RA/Dec) (B1950) (J2000) (Date) * M84 12 22 31.581984 * 12 25 03.743336 12 25 17.348976 13 09 48.76873 * 12 53 12.13934 12 51 44.28662 From catalog imbedded in main SCHED input file. Ly, Walker, and Wrobel AJ 2004 J0423-0120 04 20 43.539850 * 04 23 15.800727 04 23 27.237277 * 0420-014 -01 27 28.70002 *-01 20 33.06531 -01 20 01.60161 J0423-01 /mnt/mach/mach/cwalker/code/sched/catalogs/sources.vlba ICRF - Ext.1 Source - 1998 IERS Annual Report J1159+2914 11 56 57.786211 * 11 59 31.833912 11 59 45.855866 * 1156+295 29 31 25.73884 * 29 14 43.82694 29 13 18.94154 J1159+29 /mnt/mach/mach/cwalker/code/sched/catalogs/sources.vlba ICRF - Ext.1 Source - 1998 IERS Annual Report J1229+0203 12 26 33.245833 * 12 29 06.699729 12 29 20.293675 1226+023 02 19 43.30569 * 02 03 08.59819 02 01 39.99702 * 3C273 /mnt/mach/mach/cwalker/code/sched/catalogs/sources.vlba 3C273B ICRF - Ext.1 Source - 1998 IERS Annual Report J1229+02 J1230+1223 12 28 17.569280 * 12 30 49.423382 12 31 03.002679 1228+126 12 40 01.74911 * 12 23 28.04393 12 22 00.11301 * 3C274 /mnt/mach/mach/cwalker/code/sched/catalogs/sources.vlba J1230+12 ICRF - Ext.1 Source - 1998 IERS Annual Report * J1635+3808 16 33 30.625098 * 16 35 15.492973 16 35 25.018744 1633+38 38 14 10.08283 * 38 08 04.50060 38 07 13.03495 1633+382 /mnt/mach/mach/cwalker/code/sched/catalogs/sources.vlba J1635+38 ICRF - Ext.1 Source - 1998 IERS Annual Report 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) M84 159.3 0420-014 51.8 1156+295 141.9 3C273 169.1 3C274 160.2 J1635+3808 112.9 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