COVER INFORMATION Station: VLBA_PT (Code Pt ) 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_PT (Code Pt ) 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 41 54 54.1 187.9 0.3 6.5 0 1 1 0 23 00 00 23 05 00 --- 04 46 55 53.9 190.0 0.4 8.2 300 F 1 4000 --- Mon 5 Apr 2004 Day 96 --- 01 18 04 3C274 07 00 21 12.9 83.7 -5.5 -57.2 7896 1 1 4000 01 18 04 01 20 04 --- 07 02 21 13.3 84.0 -5.5 -57.3 120 F 1 5600 01 20 34 M84 07 02 51 14.9 84.4 -5.4 -57.5 21 1 1 5600 01 20 34 01 29 34 --- 07 11 52 16.7 85.6 -5.2 -57.7 540 F 1 12800 01 29 46 M84 07 12 04 16.8 85.7 -5.2 -57.7 7 1 2 12800 01 29 46 01 40 46 --- 07 23 06 19.1 87.2 -5.0 -57.8 660 R 1 13600 01 40 58 M84 07 23 18 19.1 87.2 -5.0 -57.8 7 1 2 13600 01 40 58 01 51 58 --- 07 34 20 21.4 88.7 -4.8 -57.9 660 R 1 4800 01 52 25 3C274 07 34 48 20.0 88.4 -4.9 -57.7 19 1 2 4800 01 52 25 01 54 25 --- 07 36 48 20.4 88.7 -4.9 -57.7 120 R 1 3200 01 54 54 M84 07 37 17 22.0 89.1 -4.8 -57.9 20 1 3 3200 01 54 54 02 03 54 --- 07 46 18 23.8 90.4 -4.6 -57.9 540 F 1 4000 02 04 06 M84 07 46 30 23.9 90.4 -4.6 -57.9 7 1 3 4000 02 04 06 02 15 06 --- 07 57 32 26.2 92.0 -4.5 -57.9 660 F 1 12800 02 15 15 3C274 07 57 41 24.7 91.7 -4.6 -57.7 0 1 3 12800 02 15 06 02 17 15 --- 07 59 41 25.2 91.9 -4.5 -57.7 120 F 1 14519 02 19 15 M84 08 01 42 27.0 92.6 -4.4 -57.8 110 1 4 14519 02 19 15 02 26 15 --- 08 08 43 28.5 93.6 -4.3 -57.7 420 R 1 15081 02 26 20 M84 08 08 47 28.5 93.6 -4.3 -57.7 0 1 4 15081 02 26 15 02 37 20 --- 08 19 49 30.8 95.3 -4.1 -57.5 660 R 1 6221 02 37 46 3C274 08 20 16 29.4 95.0 -4.2 -57.4 18 1 4 6221 02 37 46 02 39 46 --- 08 22 16 29.8 95.3 -4.1 -57.4 120 R 1 4621 Schedule for VLBA_PT (Code Pt ) 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 --- 02 40 14 M84 08 22 44 31.4 95.7 -4.0 -57.5 19 1 5 4621 02 40 14 02 49 14 --- 08 31 46 33.2 97.1 -3.9 -57.2 540 F 1 2579 02 49 26 M84 08 31 58 33.2 97.2 -3.9 -57.2 7 1 5 2579 02 49 26 03 00 26 --- 08 42 59 35.5 99.0 -3.7 -56.8 660 F 1 11379 03 00 52 3C274 08 43 26 34.1 98.6 -3.8 -56.7 18 1 5 11379 03 00 52 03 02 52 --- 08 45 26 34.6 98.9 -3.8 -56.7 120 F 1 12979 03 03 20 M84 08 45 54 36.1 99.4 -3.7 -56.7 18 1 6 12979 03 03 20 03 12 20 --- 08 54 55 37.9 101.0 -3.5 -56.3 540 R 1 15021 03 12 31 M84 08 55 07 38.0 101.0 -3.5 -56.3 7 1 6 15021 03 12 31 03 23 31 --- 09 06 09 40.2 102.9 -3.3 -55.7 660 R 1 6221 03 23 58 3C274 09 06 35 38.8 102.5 -3.4 -55.7 17 1 6 6221 03 23 58 03 25 58 --- 09 08 35 39.2 102.9 -3.4 -55.5 120 R 1 4621 03 26 25 M84 09 09 02 40.8 103.4 -3.3 -55.5 18 1 7 4621 03 26 25 03 35 25 --- 09 18 04 42.6 105.1 -3.1 -54.9 540 F 1 2579 03 35 36 M84 09 18 15 42.6 105.2 -3.1 -54.9 7 1 7 2579 03 35 36 03 46 36 --- 09 29 17 44.8 107.3 -2.9 -54.0 660 F 1 11379 03 48 36 M84 09 31 18 45.2 107.7 -2.9 -53.8 113 1 7 11379 03 48 36 03 53 36 --- 09 36 18 46.2 108.8 -2.8 -53.3 300 F 1 15379 03 53 52 3C274 09 36 35 44.8 108.2 -2.9 -53.5 7 1 7 15379 03 53 52 03 55 52 --- 09 38 35 45.2 108.6 -2.9 -53.3 120 F 1 16979 03 57 33 1156+295 09 40 16 60.1 90.0 -2.3 -71.2 65 1 8 16979 03 57 33 04 00 33 --- 09 43 17 60.7 90.5 -2.3 -71.2 180 R 1 15821 04 01 53 M84 09 44 37 47.8 110.6 -2.7 -52.5 48 1 8 15821 04 01 53 04 09 53 --- 09 52 38 49.3 112.4 -2.5 -51.6 480 R 1 9421 04 10 05 M84 09 52 50 49.4 112.4 -2.5 -51.6 7 1 8 9421 04 10 05 04 21 05 --- 10 03 52 51.5 115.1 -2.4 -50.1 660 R 1 621 04 21 30 3C274 10 04 17 50.2 114.4 -2.4 -50.4 17 1 9 621 04 21 30 04 23 30 --- 10 06 17 50.5 114.9 -2.4 -50.1 120 F 1 979 Schedule for VLBA_PT (Code Pt ) 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 --- 04 23 57 M84 10 06 44 52.0 115.8 -2.3 -49.7 18 1 9 979 04 23 57 04 32 57 --- 10 15 46 53.7 118.2 -2.2 -48.3 540 F 1 8179 04 33 08 M84 10 15 57 53.7 118.3 -2.2 -48.3 7 1 9 8179 04 33 08 04 44 08 --- 10 26 59 55.7 121.4 -2.0 -46.3 660 F 1 16979 04 44 13 M84 10 27 03 55.7 121.4 -2.0 -46.3 0 1 10 16979 04 44 08 04 49 43 --- 10 32 34 56.7 123.1 -1.9 -45.2 330 R 1 13761 04 49 52 3C274 10 32 43 55.3 122.0 -2.0 -45.8 0 1 10 13761 04 49 43 04 51 52 --- 10 34 44 55.7 122.6 -1.9 -45.4 120 R 1 12043 04 56 27 J1635+3808 10 39 20 21.0 57.4 -5.9 -62.2 200 1 10 12043 04 56 27 05 00 27 =1633+38 10 43 20 21.7 57.8 -5.9 -62.7 240 R 1 8843 05 02 27 M84 10 45 21 58.8 127.3 -1.7 -42.4 40 1 10 8843 05 02 27 05 09 27 --- 10 52 22 59.9 129.9 -1.5 -40.6 420 R 1 3243 05 12 40 M84 10 55 35 60.4 131.1 -1.5 -39.7 186 1 11 3243 05 12 40 05 27 40 --- 11 10 38 62.7 137.2 -1.2 -35.2 900 F 1 8757 05 28 01 3C274 11 10 58 61.5 135.5 -1.3 -36.4 12 1 11 8757 05 28 01 05 30 01 --- 11 12 59 61.8 136.3 -1.3 -35.7 120 F 1 10357 05 30 22 M84 11 13 20 63.1 138.4 -1.2 -34.3 13 1 12 10357 05 30 22 05 45 22 --- 11 28 23 65.0 145.5 -0.9 -28.7 900 R 1 12843 05 47 22 M84 11 30 23 65.2 146.5 -0.9 -27.9 114 1 12 12843 05 47 22 05 54 22 --- 11 37 24 66.0 150.2 -0.8 -24.9 420 R 1 7243 05 54 49 M84 11 37 51 66.0 150.5 -0.8 -24.7 22 1 13 7243 05 54 49 06 09 49 --- 11 52 54 67.3 159.1 -0.5 -17.6 900 F 1 4757 06 10 09 3C274 11 53 13 66.4 156.3 -0.6 -19.9 12 1 13 4757 06 10 09 06 12 09 --- 11 55 14 66.6 157.5 -0.6 -18.9 120 F 1 6357 06 12 29 M84 11 55 34 67.5 160.7 -0.5 -16.2 12 1 14 6357 06 12 29 06 27 29 --- 12 10 37 68.3 170.3 -0.2 -8.2 900 R 1 16843 06 29 29 M84 12 12 37 68.4 171.6 -0.2 -7.1 113 1 14 16843 06 29 29 06 36 29 --- 12 19 38 68.5 176.2 -0.1 -3.2 420 R 1 11243 Schedule for VLBA_PT (Code Pt ) 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 --- ----------- Tape Change ------------ 06 36 48 M84 12 19 57 68.5 176.4 -0.1 -3.0 14 2 1 11243 06 36 48 06 51 48 --- 12 35 00 68.4 186.5 0.2 5.5 900 F 1 757 06 52 06 3C274 12 35 18 68.0 182.8 0.1 2.3 10 2 1 757 06 52 06 06 54 06 --- 12 37 18 68.0 184.1 0.1 3.5 120 F 1 2357 06 54 25 M84 12 37 37 68.4 188.2 0.2 6.9 10 2 1 2357 06 54 25 07 09 25 --- 12 52 40 67.7 197.8 0.5 15.0 900 F 1 14357 07 11 25 M84 12 54 40 67.5 199.0 0.5 16.1 113 2 2 14357 07 11 25 07 18 25 --- 13 01 41 67.0 203.3 0.6 19.6 420 R 1 15243 07 18 38 M84 13 01 54 67.0 203.4 0.6 19.7 8 2 2 15243 07 18 38 07 33 38 --- 13 16 56 65.6 211.8 0.9 26.5 900 R 1 3243 07 33 55 3C274 13 17 13 65.7 208.3 0.8 23.7 9 2 2 3243 07 33 55 07 35 55 --- 13 19 14 65.5 209.4 0.8 24.5 120 R 1 1643 07 36 12 M84 13 19 31 65.3 213.1 0.9 27.6 9 2 3 1643 07 36 12 07 51 12 --- 13 34 34 63.4 220.4 1.2 33.3 900 F 1 10357 07 53 12 M84 13 36 34 63.1 221.3 1.2 34.0 114 2 3 10357 07 53 12 08 02 12 --- 13 45 35 61.9 225.2 1.3 37.0 540 F 1 17557 08 04 12 J1635+3808 13 47 36 56.2 71.1 -2.8 -83.4 11 2 4 17557 08 04 12 08 08 12 =1633+38 13 51 36 57.0 71.2 -2.7 -83.9 240 R 1 14357 08 10 14 M84 13 53 38 60.7 228.4 1.5 39.3 11 2 4 14357 08 10 14 08 19 14 --- 14 02 40 59.2 231.8 1.6 41.7 540 R 1 7157 08 21 24 M84 14 04 51 58.9 232.5 1.7 42.3 124 2 5 7157 08 21 24 08 36 24 --- 14 19 53 56.3 237.5 1.9 45.6 900 F 1 4843 08 36 40 3C274 14 20 09 56.9 235.1 1.8 43.9 8 2 5 4843 08 36 40 08 38 40 --- 14 22 09 56.6 235.7 1.9 44.3 120 F 1 6443 08 38 56 M84 14 22 26 55.9 238.2 2.0 46.1 9 2 6 6443 08 38 56 08 53 56 --- 14 37 28 53.2 242.5 2.2 48.7 900 R 1 16757 08 54 01 M84 14 37 33 53.2 242.5 2.2 48.7 0 2 6 16757 08 53 56 09 03 01 --- 14 46 34 51.5 244.9 2.4 50.1 540 R 1 9497 Schedule for VLBA_PT (Code Pt ) 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 --- 09 03 05 M84 14 46 38 51.5 244.9 2.4 50.1 0 2 7 9497 09 03 01 09 18 05 --- 15 01 41 48.6 248.5 2.6 52.0 900 F 1 2562 09 18 21 3C274 15 01 56 49.4 246.6 2.5 50.9 8 2 7 2562 09 18 21 09 20 21 --- 15 03 57 49.0 247.1 2.5 51.2 120 F 1 4162 09 20 36 M84 15 04 12 48.1 249.0 2.6 52.3 8 2 7 4162 09 20 36 09 35 36 --- 15 19 15 45.2 252.3 2.9 53.8 900 F 1 16162 09 35 41 M84 15 19 20 45.2 252.3 2.9 53.8 0 2 8 16162 09 35 36 09 44 41 --- 15 28 21 43.4 254.1 3.1 54.6 540 R 1 11775 09 44 46 M84 15 28 26 43.4 254.1 3.1 54.6 0 2 9 11775 09 44 41 09 59 46 --- 15 43 28 40.4 256.9 3.3 55.6 900 F 1 290 10 00 01 3C274 15 43 43 41.2 255.4 3.2 54.9 7 2 9 290 10 00 01 10 02 01 --- 15 45 44 40.8 255.7 3.2 55.0 120 F 1 1890 10 02 16 M84 15 45 59 39.9 257.4 3.3 55.8 7 2 9 1890 10 02 16 10 17 16 --- 16 01 02 36.8 260.0 3.6 56.6 900 F 1 13890 10 19 16 M84 16 03 02 36.4 260.3 3.6 56.6 113 2 10 13890 10 19 16 10 28 16 --- 16 12 03 34.6 261.8 3.8 57.0 540 R 1 14110 10 30 22 J1635+3808 16 14 09 84.3 406.8 -0.4 -130.1 20 2 10 14110 10 30 22 10 34 22 =1633+38 16 18 10 84.8 401.1 -0.3 -136.4 240 R 1 10910 10 36 30 M84 16 20 18 32.9 263.1 3.9 57.3 18 2 11 10910 10 36 30 10 51 30 --- 16 35 21 29.8 265.4 4.2 57.6 900 F 1 1090 10 51 39 3C274 16 35 30 30.7 264.1 4.1 57.3 1 2 11 1090 10 51 30 10 53 39 --- 16 37 30 30.3 264.4 4.1 57.3 120 F 1 2806 10 53 47 M84 16 37 39 29.3 265.7 4.2 57.7 1 2 11 2806 10 53 39 11 08 47 --- 16 52 41 26.2 267.9 4.5 57.9 900 F 1 14922 11 08 52 M84 16 52 46 26.2 268.0 4.5 57.9 0 2 12 14922 11 08 47 11 23 52 --- 17 07 48 23.1 270.1 4.7 57.9 900 R 1 8218 11 25 57 J1635+3808 17 09 54 82.1 301.3 0.6 116.2 2 2 12 8218 11 25 57 11 28 57 =1633+38 17 12 54 81.5 299.5 0.6 114.0 180 R 1 5818 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