COVER INFORMATION Station: VLBA_KP (Code Kp ) 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_KP (Code Kp ) 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 27 56 56.7 182.0 0.1 1.7 0 1 1 0 23 00 00 23 05 00 --- 04 32 56 56.6 184.3 0.2 3.7 300 F 1 4000 --- Mon 5 Apr 2004 Day 96 --- 01 29 46 M84 06 58 06 13.6 83.2 -5.5 -59.8 8594 1 1 4000 01 29 46 01 40 46 --- 07 09 08 16.0 84.6 -5.3 -60.0 660 F 1 12800 01 40 58 M84 07 09 20 16.0 84.6 -5.3 -60.0 7 1 2 12800 01 40 58 01 51 58 --- 07 20 22 18.3 86.0 -5.1 -60.2 660 R 1 13600 01 52 25 3C274 07 20 49 17.0 85.8 -5.2 -60.0 19 1 2 13600 01 52 25 01 54 25 --- 07 22 50 17.4 86.0 -5.1 -60.1 120 R 1 12000 01 54 54 M84 07 23 19 19.0 86.4 -5.0 -60.3 20 1 2 12000 01 54 54 02 03 54 --- 07 32 20 20.9 87.5 -4.9 -60.4 540 R 1 4800 02 04 06 M84 07 32 32 20.9 87.6 -4.9 -60.4 7 1 3 4800 02 04 06 02 15 06 --- 07 43 34 23.3 89.0 -4.7 -60.5 660 F 1 4000 02 15 15 3C274 07 43 43 21.8 88.7 -4.8 -60.3 0 1 3 4000 02 15 06 02 17 15 --- 07 45 43 22.2 89.0 -4.8 -60.3 120 F 1 5719 02 19 15 M84 07 47 43 24.1 89.5 -4.6 -60.5 110 1 3 5719 02 19 15 02 26 15 --- 07 54 45 25.6 90.5 -4.5 -60.5 420 F 1 11319 02 26 20 M84 07 54 49 25.6 90.5 -4.5 -60.5 0 1 4 11319 02 26 15 02 37 20 --- 08 05 51 28.0 92.0 -4.3 -60.4 660 R 1 15021 02 37 46 3C274 08 06 18 26.6 91.7 -4.4 -60.3 18 1 4 15021 02 37 46 02 39 46 --- 08 08 18 27.0 92.0 -4.4 -60.2 120 R 1 13421 02 40 14 M84 08 08 46 28.6 92.4 -4.3 -60.4 19 1 4 13421 02 40 14 02 49 14 --- 08 17 48 30.5 93.6 -4.1 -60.3 540 R 1 6221 02 49 26 M84 08 17 59 30.6 93.6 -4.1 -60.3 7 1 5 6221 02 49 26 03 00 26 --- 08 29 01 32.9 95.2 -3.9 -60.1 660 F 1 2579 Schedule for VLBA_KP (Code Kp ) 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 00 52 3C274 08 29 28 31.5 95.0 -4.0 -59.9 18 1 5 2579 03 00 52 03 02 52 --- 08 31 28 31.9 95.2 -4.0 -59.9 120 F 1 4179 03 03 20 M84 08 31 55 33.5 95.6 -3.9 -60.0 18 1 5 4179 03 03 20 03 12 20 --- 08 40 57 35.4 97.0 -3.7 -59.8 540 F 1 11379 03 12 31 M84 08 41 09 35.4 97.0 -3.7 -59.7 7 1 6 11379 03 12 31 03 23 31 --- 08 52 10 37.8 98.7 -3.6 -59.3 660 R 1 15021 03 23 58 3C274 08 52 36 36.4 98.4 -3.6 -59.2 17 1 6 15021 03 23 58 03 25 58 --- 08 54 37 36.8 98.7 -3.6 -59.2 120 R 1 13421 03 26 25 M84 08 55 04 38.4 99.2 -3.5 -59.2 18 1 6 13421 03 26 25 03 35 25 --- 09 04 05 40.3 100.6 -3.4 -58.8 540 R 1 6221 03 35 36 M84 09 04 17 40.3 100.7 -3.4 -58.8 7 1 7 6221 03 35 36 03 46 36 --- 09 15 19 42.6 102.5 -3.2 -58.2 660 F 1 2579 03 48 36 M84 09 17 19 43.0 102.9 -3.1 -58.0 113 1 7 2579 03 48 36 03 53 36 --- 09 22 20 44.0 103.8 -3.0 -57.7 300 F 1 6579 03 53 52 3C274 09 22 36 42.6 103.4 -3.1 -57.7 7 1 7 6579 03 53 52 03 55 52 --- 09 24 37 43.1 103.7 -3.1 -57.5 120 F 1 8179 03 57 33 1156+295 09 26 18 57.0 84.5 -2.6 -75.4 67 1 7 8179 03 57 33 04 00 33 --- 09 29 18 57.7 84.8 -2.5 -75.5 180 F 1 10579 04 01 53 M84 09 30 38 45.7 105.3 -2.9 -57.1 50 1 7 10579 04 01 53 04 09 53 --- 09 38 40 47.4 106.9 -2.8 -56.4 480 F 1 16979 04 10 05 M84 09 38 51 47.4 106.9 -2.8 -56.4 7 1 8 16979 04 10 05 04 21 05 --- 09 49 53 49.6 109.2 -2.6 -55.3 660 R 1 9421 04 21 30 3C274 09 50 19 48.3 108.7 -2.7 -55.4 17 1 8 9421 04 21 30 04 23 30 --- 09 52 19 48.7 109.1 -2.6 -55.2 120 R 1 7821 04 23 57 M84 09 52 46 50.2 109.8 -2.5 -55.0 17 1 8 7821 04 23 57 04 32 57 --- 10 01 47 52.0 111.9 -2.4 -53.9 540 R 1 621 04 33 08 M84 10 01 59 52.0 111.9 -2.4 -53.8 7 1 9 621 04 33 08 04 44 08 --- 10 13 01 54.2 114.6 -2.2 -52.3 660 F 1 8179 Schedule for VLBA_KP (Code Kp ) 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 44 13 M84 10 13 05 54.2 114.6 -2.2 -52.3 0 1 9 8179 04 44 08 04 49 43 --- 10 18 36 55.3 116.1 -2.1 -51.4 330 F 1 12639 04 49 52 3C274 10 18 45 53.9 115.3 -2.2 -51.8 0 1 9 12639 04 49 43 04 51 52 --- 10 20 45 54.3 115.8 -2.2 -51.5 120 F 1 14357 04 56 27 J1635+3808 10 25 21 17.3 55.4 -6.2 -62.6 196 1 9 14357 04 56 27 05 00 27 =1633+38 10 29 22 18.0 55.8 -6.1 -63.1 240 F 1 17557 05 02 27 M84 10 31 22 57.7 119.7 -1.9 -49.1 35 1 10 17557 05 02 27 05 09 27 --- 10 38 24 58.9 121.8 -1.8 -47.7 420 R 1 11957 05 12 40 M84 10 41 37 59.5 122.9 -1.7 -47.0 186 1 11 11957 05 12 40 05 27 40 --- 10 56 39 62.1 128.2 -1.5 -43.2 900 F 1 43 05 28 01 3C274 10 57 00 60.8 126.9 -1.6 -44.0 12 1 11 43 05 28 01 05 30 01 --- 10 59 00 61.2 127.6 -1.5 -43.5 120 F 1 1643 05 30 22 M84 10 59 22 62.6 129.2 -1.4 -42.4 13 1 11 1643 05 30 22 05 45 22 --- 11 14 24 64.9 135.6 -1.2 -37.5 900 F 1 13643 05 47 22 M84 11 16 25 65.2 136.5 -1.1 -36.8 114 1 12 13643 05 47 22 05 54 22 --- 11 23 26 66.2 139.9 -1.0 -34.1 420 R 1 15957 05 54 49 M84 11 23 53 66.3 140.1 -1.0 -33.9 22 1 12 15957 05 54 49 06 09 49 --- 11 38 55 68.1 148.3 -0.8 -27.3 900 R 1 3957 06 10 09 3C274 11 39 15 67.1 145.8 -0.9 -29.2 12 1 12 3957 06 10 09 06 12 09 --- 11 41 15 67.3 146.9 -0.8 -28.3 120 R 1 2357 06 12 29 M84 11 41 36 68.4 149.8 -0.7 -25.9 12 1 13 2357 06 12 29 06 27 29 --- 11 56 38 69.8 159.4 -0.5 -17.8 900 F 1 9643 06 29 29 M84 11 58 38 70.0 160.7 -0.4 -16.7 113 1 13 9643 06 29 29 06 36 29 --- 12 05 40 70.4 165.6 -0.3 -12.5 420 F 1 15243 06 36 48 M84 12 05 59 70.4 165.8 -0.3 -12.3 14 1 14 15243 06 36 48 06 51 48 --- 12 21 01 70.9 176.8 -0.1 -2.8 900 R 1 7957 06 52 06 3C274 12 21 20 70.3 172.9 -0.2 -6.1 10 1 14 7957 06 52 06 06 54 06 --- 12 23 20 70.3 174.4 -0.1 -4.9 120 R 1 6357 Schedule for VLBA_KP (Code Kp ) 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 54 25 M84 12 23 39 70.9 178.8 0.0 -1.1 10 2 1 6357 06 54 25 07 09 25 --- 12 38 41 70.7 189.9 0.2 8.6 900 F 1 5643 07 11 25 M84 12 40 42 70.6 191.4 0.3 9.9 113 2 1 5643 07 11 25 07 18 25 --- 12 47 43 70.2 196.3 0.4 14.2 420 F 1 11243 07 18 38 M84 12 47 55 70.2 196.5 0.4 14.3 8 2 2 11243 07 18 38 07 33 38 --- 13 02 58 69.0 206.5 0.6 22.8 900 R 1 11957 07 33 55 3C274 13 03 15 69.1 202.5 0.5 19.4 8 2 2 11957 07 33 55 07 35 55 --- 13 05 15 68.9 203.8 0.6 20.5 120 R 1 10357 07 36 12 M84 13 05 33 68.8 208.1 0.7 24.2 9 2 3 10357 07 36 12 07 51 12 --- 13 20 35 67.1 216.7 0.9 31.4 900 F 1 1643 07 53 12 M84 13 22 36 66.8 217.8 1.0 32.2 114 2 3 1643 07 53 12 08 02 12 --- 13 31 37 65.6 222.3 1.1 35.9 540 F 1 8843 08 04 12 J1635+3808 13 33 37 52.7 67.6 -3.0 -85.4 11 2 3 8843 08 04 12 08 08 12 =1633+38 13 37 38 53.4 67.6 -3.0 -85.9 240 F 1 12043 08 10 14 M84 13 39 40 64.4 226.0 1.2 38.8 10 2 4 12043 08 10 14 08 19 14 --- 13 48 41 63.0 229.8 1.4 41.7 540 R 1 15957 08 21 24 M84 13 50 52 62.6 230.7 1.4 42.3 124 2 4 15957 08 21 24 08 36 24 --- 14 05 55 60.1 236.1 1.7 46.3 900 R 1 3957 08 36 40 3C274 14 06 11 60.7 233.5 1.6 44.3 8 2 4 3957 08 36 40 08 38 40 --- 14 08 11 60.3 234.2 1.6 44.8 120 R 1 2357 08 38 56 M84 14 08 27 59.6 237.0 1.7 46.9 8 2 5 2357 08 38 56 08 53 56 --- 14 23 30 56.9 241.6 2.0 50.0 900 F 1 9643 08 54 01 M84 14 23 34 56.9 241.6 2.0 50.0 0 2 5 9643 08 53 56 09 03 01 --- 14 32 36 55.1 244.1 2.1 51.5 540 F 1 16903 09 03 05 M84 14 32 40 55.1 244.1 2.1 51.5 0 2 6 16903 09 03 01 09 18 05 --- 14 47 43 52.2 247.9 2.4 53.7 900 R 1 6238 09 18 21 3C274 14 47 58 53.0 245.9 2.3 52.5 8 2 6 6238 09 18 21 09 20 21 --- 14 49 58 52.6 246.4 2.3 52.7 120 R 1 4638 Schedule for VLBA_KP (Code Kp ) 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 20 36 M84 14 50 14 51.7 248.5 2.4 54.1 8 2 7 4638 09 20 36 09 35 36 --- 15 05 16 48.7 251.8 2.7 55.8 900 F 1 7362 09 35 41 M84 15 05 21 48.7 251.8 2.7 55.8 0 2 7 7362 09 35 36 09 44 41 --- 15 14 23 46.9 253.6 2.8 56.6 540 F 1 14626 09 44 46 M84 15 14 28 46.9 253.6 2.8 56.6 0 2 8 14626 09 44 41 09 59 46 --- 15 29 30 43.8 256.4 3.1 57.8 900 R 1 8510 10 00 01 3C274 15 29 45 44.6 254.9 3.0 57.0 7 2 8 8510 10 00 01 10 02 01 --- 15 31 45 44.2 255.2 3.0 57.1 120 R 1 6910 10 02 16 M84 15 32 01 43.3 256.9 3.1 58.0 7 2 9 6910 10 02 16 10 17 16 --- 15 47 03 40.1 259.5 3.4 58.8 900 F 1 5090 10 19 16 M84 15 49 04 39.7 259.8 3.4 58.9 113 2 9 5090 10 19 16 10 28 16 --- 15 58 05 37.8 261.2 3.5 59.3 540 F 1 12290 10 30 22 J1635+3808 16 00 11 80.5 407.0 -0.6 -127.9 22 2 9 12290 10 30 22 10 34 22 =1633+38 16 04 11 81.1 403.9 -0.5 -131.7 240 F 1 15490 10 36 30 M84 16 06 20 36.1 262.5 3.7 59.6 28 2 10 15490 10 36 30 10 51 30 --- 16 21 22 32.9 264.8 3.9 60.1 900 R 1 7710 10 51 39 3C274 16 21 31 33.9 263.4 3.8 59.6 1 2 10 7710 10 51 30 10 53 39 --- 16 23 32 33.4 263.7 3.9 59.7 120 R 1 5994 10 53 47 M84 16 23 40 32.4 265.1 4.0 60.1 1 2 11 5994 10 53 39 11 08 47 --- 16 38 43 29.3 267.2 4.2 60.4 900 F 1 6122 11 08 52 M84 16 38 47 29.2 267.2 4.2 60.4 0 2 12 6122 11 08 47 11 23 52 --- 16 53 50 26.1 269.3 4.5 60.5 900 R 1 17018 11 25 57 J1635+3808 16 55 55 82.5 327.2 0.3 144.2 6 2 12 17018 11 25 57 11 28 57 =1633+38 16 58 56 82.2 323.7 0.4 140.3 180 R 1 14618 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