COVER INFORMATION Station: VLBA_OV (Code Ov ) 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_OV (Code Ov ) 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 04 01 16 51.1 171.1 -0.4 -7.0 0 1 1 0 23 00 00 23 05 00 --- 04 06 17 51.2 173.1 -0.3 -5.5 300 F 1 4000 --- Mon 5 Apr 2004 Day 96 --- 01 54 54 M84 06 56 39 13.9 84.3 -5.5 -54.4 10114 1 1 4000 01 54 54 02 03 54 --- 07 05 41 15.7 85.6 -5.3 -54.5 540 F 1 11200 02 04 06 M84 07 05 53 15.7 85.6 -5.3 -54.5 7 1 2 11200 02 04 06 02 15 06 --- 07 16 54 17.9 87.3 -5.1 -54.7 660 R 1 15200 02 15 15 3C274 07 17 03 16.5 86.8 -5.2 -54.5 0 1 2 15200 02 15 06 02 17 15 --- 07 19 04 16.9 87.1 -5.2 -54.5 120 R 1 13481 02 19 15 M84 07 21 04 18.8 87.9 -5.1 -54.7 110 1 2 13481 02 19 15 02 26 15 --- 07 28 05 20.2 88.9 -5.0 -54.7 420 R 1 7881 02 26 20 M84 07 28 10 20.2 88.9 -5.0 -54.7 0 1 3 7881 02 26 15 02 37 20 --- 07 39 11 22.4 90.6 -4.8 -54.8 660 F 1 979 02 37 46 3C274 07 39 38 21.0 90.2 -4.9 -54.6 18 1 3 979 02 37 46 02 39 46 --- 07 41 39 21.4 90.5 -4.8 -54.6 120 F 1 2579 02 40 14 M84 07 42 07 23.0 91.0 -4.7 -54.7 19 1 3 2579 02 40 14 02 49 14 --- 07 51 08 24.8 92.4 -4.6 -54.7 540 F 1 9779 02 49 26 M84 07 51 20 24.8 92.5 -4.6 -54.7 7 1 4 9779 02 49 26 03 00 26 --- 08 02 22 27.0 94.2 -4.4 -54.5 660 R 1 16621 03 00 52 3C274 08 02 48 25.6 93.8 -4.5 -54.4 18 1 4 16621 03 00 52 03 02 52 --- 08 04 48 26.0 94.1 -4.4 -54.4 120 R 1 15021 03 03 20 M84 08 05 16 27.6 94.7 -4.3 -54.5 18 1 4 15021 03 03 20 03 12 20 --- 08 14 17 29.3 96.1 -4.2 -54.3 540 R 1 7821 03 12 31 M84 08 14 29 29.4 96.1 -4.2 -54.3 7 1 5 7821 03 12 31 03 23 31 --- 08 25 31 31.6 98.0 -4.0 -54.0 660 F 1 979 Schedule for VLBA_OV (Code Ov ) 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 25 57 30.2 97.5 -4.1 -53.9 17 1 5 979 03 23 58 03 25 58 --- 08 27 57 30.6 97.9 -4.1 -53.8 120 F 1 2579 03 26 25 M84 08 28 24 32.1 98.5 -3.9 -53.9 18 1 5 2579 03 26 25 03 35 25 --- 08 37 26 33.9 100.0 -3.8 -53.5 540 F 1 9779 03 35 36 M84 08 37 38 33.9 100.0 -3.8 -53.5 7 1 6 9779 03 35 36 03 46 36 --- 08 48 39 36.1 102.0 -3.6 -53.0 660 R 1 16621 03 48 36 M84 08 50 40 36.5 102.4 -3.6 -52.9 114 1 6 16621 03 48 36 03 53 36 --- 08 55 41 37.5 103.3 -3.5 -52.6 300 R 1 12621 03 53 52 3C274 08 55 57 36.1 102.8 -3.6 -52.6 7 1 6 12621 03 53 52 03 55 52 --- 08 57 57 36.5 103.1 -3.6 -52.5 120 R 1 11021 03 57 33 1156+295 08 59 38 51.9 88.6 -3.0 -65.8 64 1 6 11021 03 57 33 04 00 33 --- 09 02 39 52.5 89.0 -3.0 -65.8 180 R 1 8621 04 01 53 M84 09 03 59 39.1 104.9 -3.4 -52.1 47 1 6 8621 04 01 53 04 09 53 --- 09 12 00 40.6 106.4 -3.2 -51.6 480 R 1 2221 04 10 05 M84 09 12 12 40.6 106.5 -3.2 -51.5 7 1 7 2221 04 10 05 04 21 05 --- 09 23 14 42.7 108.7 -3.0 -50.7 660 F 1 6579 04 21 30 3C274 09 23 39 41.4 108.2 -3.1 -50.8 17 1 7 6579 04 21 30 04 23 30 --- 09 25 40 41.8 108.6 -3.1 -50.6 120 F 1 8179 04 23 57 M84 09 26 06 43.3 109.4 -3.0 -50.4 18 1 7 8179 04 23 57 04 32 57 --- 09 35 08 45.0 111.3 -2.8 -49.5 540 F 1 15379 04 33 08 M84 09 35 19 45.0 111.4 -2.8 -49.5 7 1 8 15379 04 33 08 04 44 08 --- 09 46 21 47.0 113.9 -2.6 -48.3 660 R 1 11021 04 44 13 M84 09 46 26 47.0 113.9 -2.6 -48.3 0 1 8 11021 04 44 08 04 49 43 --- 09 51 56 48.0 115.3 -2.6 -47.6 330 R 1 6561 04 49 52 3C274 09 52 05 46.7 114.4 -2.6 -47.9 0 1 8 6561 04 49 43 04 51 52 --- 09 54 06 47.0 114.9 -2.6 -47.7 120 R 1 4843 04 56 27 J1635+3808 09 58 42 15.9 53.8 -6.6 -54.8 207 1 8 4843 04 56 27 05 00 27 =1633+38 10 02 43 16.5 54.3 -6.5 -55.3 240 R 1 1643 Schedule for VLBA_OV (Code Ov ) 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 10 04 43 50.3 118.5 -2.3 -45.8 46 1 9 1643 05 02 27 05 09 27 --- 10 11 44 51.5 120.4 -2.2 -44.8 420 F 1 3957 05 12 40 M84 10 14 57 52.1 121.3 -2.2 -44.2 186 1 9 3957 05 12 40 05 27 40 --- 10 30 00 54.6 125.8 -1.9 -41.5 900 F 1 15957 05 28 01 3C274 10 30 20 53.3 124.7 -2.0 -42.1 12 1 9 15957 05 28 01 05 30 01 --- 10 32 21 53.6 125.3 -2.0 -41.7 120 F 1 17557 05 30 22 M84 10 32 42 55.0 126.7 -1.9 -40.9 13 1 10 17557 05 30 22 05 45 22 --- 10 47 45 57.3 131.8 -1.6 -37.5 900 R 1 5557 05 47 22 M84 10 49 45 57.6 132.5 -1.6 -37.0 114 1 11 5557 05 47 22 05 54 22 --- 10 56 46 58.6 135.1 -1.5 -35.2 420 F 1 43 05 54 49 M84 10 57 13 58.7 135.3 -1.5 -35.0 22 1 11 43 05 54 49 06 09 49 --- 11 12 16 60.7 141.4 -1.2 -30.6 900 F 1 12043 06 10 09 3C274 11 12 35 59.6 139.7 -1.3 -31.8 11 1 11 12043 06 10 09 06 12 09 --- 11 14 36 59.8 140.5 -1.3 -31.2 120 F 1 13643 06 12 29 M84 11 14 56 61.0 142.6 -1.2 -29.8 12 1 12 13643 06 12 29 06 27 29 --- 11 29 59 62.7 149.5 -0.9 -24.5 900 R 1 9557 06 29 29 M84 11 31 59 62.9 150.5 -0.9 -23.7 114 1 12 9557 06 29 29 06 36 29 --- 11 39 00 63.5 154.0 -0.8 -21.0 420 R 1 3957 06 36 48 M84 11 39 19 63.6 154.1 -0.8 -20.9 14 1 13 3957 06 36 48 06 51 48 --- 11 54 22 64.7 162.1 -0.5 -14.5 900 F 1 8043 06 52 06 3C274 11 54 40 63.8 159.5 -0.6 -16.6 11 1 13 8043 06 52 06 06 54 06 --- 11 56 40 64.0 160.6 -0.6 -15.7 120 F 1 9643 06 54 25 M84 11 56 59 64.8 163.6 -0.5 -13.3 11 1 14 9643 06 54 25 07 09 25 --- 12 12 02 65.5 172.2 -0.2 -6.4 900 R 1 13557 07 11 25 M84 12 14 02 65.5 173.4 -0.2 -5.4 114 1 14 13557 07 11 25 07 18 25 --- 12 21 03 65.6 177.5 -0.1 -2.0 420 R 1 7957 ----------- Tape Change ------------ 07 18 38 M84 12 21 16 65.6 177.6 -0.1 -1.9 8 2 1 7957 07 18 38 07 33 38 --- 12 36 18 65.5 186.5 0.2 5.3 900 F 1 4043 Schedule for VLBA_OV (Code Ov ) 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 36 35 65.1 183.2 0.1 2.6 9 2 1 4043 07 33 55 07 35 55 --- 12 38 36 65.1 184.4 0.1 3.6 120 F 1 5643 07 36 12 M84 12 38 53 65.4 188.0 0.2 6.5 9 2 2 5643 07 36 12 07 51 12 --- 12 53 56 64.8 196.6 0.5 13.5 900 R 1 17557 07 53 12 M84 12 55 56 64.7 197.7 0.5 14.4 114 2 2 17557 07 53 12 08 02 12 --- 13 04 58 64.1 202.6 0.7 18.3 540 R 1 10357 08 04 12 J1635+3808 13 06 58 49.3 72.2 -3.5 -74.5 27 2 2 10357 08 04 12 08 08 12 =1633+38 13 10 58 50.1 72.5 -3.4 -74.9 240 R 1 7157 08 10 14 M84 13 13 01 63.4 206.7 0.8 21.6 26 2 3 7157 08 10 14 08 19 14 --- 13 22 02 62.5 211.2 0.9 25.0 540 F 1 43 08 21 24 M84 13 24 13 62.3 212.2 1.0 25.8 124 2 3 43 08 21 24 08 36 24 --- 13 39 15 60.6 219.0 1.2 30.9 900 F 1 12043 08 36 40 3C274 13 39 31 60.8 216.1 1.1 28.7 8 2 3 12043 08 36 40 08 38 40 --- 13 41 31 60.6 217.0 1.2 29.4 120 F 1 13643 08 38 56 M84 13 41 48 60.2 220.0 1.3 31.7 8 2 4 13643 08 38 56 08 53 56 --- 13 56 50 58.2 226.0 1.5 36.0 900 R 1 9557 08 54 01 M84 13 56 55 58.2 226.0 1.5 36.0 0 2 4 9557 08 53 56 09 03 01 --- 14 05 56 56.9 229.3 1.7 38.2 540 R 1 2297 09 03 05 M84 14 06 01 56.8 229.3 1.7 38.3 0 2 5 2297 09 03 01 09 18 05 --- 14 21 03 54.5 234.3 1.9 41.5 900 F 1 9762 09 18 21 3C274 14 21 18 55.0 232.0 1.8 40.0 8 2 5 9762 09 18 21 09 20 21 --- 14 23 19 54.7 232.6 1.9 40.4 120 F 1 11362 09 20 36 M84 14 23 34 54.1 235.1 2.0 42.0 8 2 6 11362 09 20 36 09 35 36 --- 14 38 37 51.6 239.5 2.2 44.7 900 R 1 11838 09 35 41 M84 14 38 42 51.5 239.5 2.2 44.7 0 2 6 11838 09 35 36 09 44 41 --- 14 47 43 50.0 242.0 2.4 46.1 540 R 1 4575 09 44 46 M84 14 47 48 50.0 242.0 2.4 46.1 0 2 7 4575 09 44 41 09 59 46 --- 15 02 50 47.3 245.8 2.6 48.1 900 F 1 7490 Schedule for VLBA_OV (Code Ov ) 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 15 03 06 47.9 243.9 2.5 47.0 8 2 7 7490 10 00 01 10 02 01 --- 15 05 06 47.6 244.4 2.6 47.3 120 F 1 9090 10 02 16 M84 15 05 21 46.8 246.4 2.7 48.4 8 2 8 9090 10 02 16 10 17 16 --- 15 20 24 44.0 249.8 2.9 50.0 900 R 1 14110 10 19 16 M84 15 22 24 43.7 250.2 3.0 50.2 114 2 8 14110 10 19 16 10 28 16 --- 15 31 26 42.0 252.1 3.1 51.0 540 R 1 6910 10 30 22 J1635+3808 15 33 31 77.7 81.1 -1.0 -89.4 5 2 8 6910 10 30 22 10 34 22 =1633+38 15 37 32 78.5 81.1 -1.0 -90.0 240 R 1 3710 10 36 30 M84 15 39 40 40.4 253.8 3.2 51.6 7 2 9 3710 10 36 30 10 51 30 --- 15 54 43 37.5 256.7 3.5 52.6 900 F 1 8290 10 51 39 3C274 15 54 52 38.3 255.1 3.4 52.0 1 2 9 8290 10 51 30 10 53 39 --- 15 56 52 37.9 255.5 3.4 52.1 120 F 1 10006 10 53 47 M84 15 57 01 37.1 257.1 3.5 52.8 1 2 10 10006 10 53 39 11 08 47 --- 16 12 03 34.1 259.8 3.8 53.5 900 R 1 13078 11 08 52 M84 16 12 08 34.1 259.8 3.8 53.5 0 2 10 13078 11 08 47 11 23 52 --- 16 27 10 31.1 262.4 4.0 54.0 900 R 1 1018 11 25 57 J1635+3808 16 29 16 88.5 413.4 -0.1 -125.7 5 2 11 1018 11 25 57 11 28 57 =1633+38 16 32 16 88.9 394.8 -0.1 -144.8 180 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