COVER INFORMATION Station: METSAHOV (Code Mh ) Experiment: GK052 Ultra-Deep Polarization Imaging of M87. Kim et al. Exp. Code: GK052 Schedule Version: 3.00 Processed by SCHED version: 11.40 Release 11.4. March 14, 2015 PI: Jae-Young Kim Address: Max Planck Institute for Radio Astronomy Auf dem Huegel 69 53121 Bonn Germany Phone: +49-228-525-387 EMAIL: jykim@mpifr-bonn.mpg.de Fax: +49-228-525-229 Phone during observation: +49-228-525-387 Observing mode: continuum global VLBI at 7mm Notes: Schedule for METSAHOV (Code Mh ) Page 2 GK052 Ultra-Deep Polarization Imaging of M87. Kim et al. UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Thu 1 Feb 2018 Day 32 --- ---------- Segment (A). Ef+Ys+Mh+KVN (2330-0330) ---------- Next scan frequencies: 43072.00 43072.00 43072.00 43072.00 43136.00 43136.00 43136.00 43136.00 43200.00 43200.00 43200.00 43200.00 43264.00 43264.00 43264.00 43264.00 Next BBC frequencies: 672.00 672.00 672.00 672.00 736.00 736.00 736.00 736.00 800.00 800.00 800.00 800.00 864.00 864.00 864.00 864.00 Next scan bandwidths: 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 23 30 00 1156+295 09 56 03 52.6 132.1 -2.1 -25.0 0 0 23 30 00 23 33 00 --- 09 59 04 52.8 133.1 -2.0 -24.6 180 46 23 30 01 23 35 00 M87 10 01 04 34.7 133.4 -2.5 -21.7 96 46 23 35 00 23 40 00 --- 10 06 05 35.1 134.8 -2.4 -21.1 300 123 23 35 01 23 41 00 M87 10 07 05 35.2 135.1 -2.4 -21.0 58 123 23 41 00 23 46 00 --- 10 12 06 35.6 136.5 -2.3 -20.5 300 200 23 41 01 23 52 00 1156+295 10 18 07 54.5 139.5 -1.7 -21.7 336 200 23 52 00 23 55 00 --- 10 21 07 54.7 140.6 -1.7 -21.2 180 246 23 52 01 --- Start: Thu 1 Feb 2018 Day 32 -- Stop: Fri 2 Feb 2018 Day 33 --- 23 57 00 M87 10 23 07 36.6 139.7 -2.1 -19.2 96 246 23 57 00 00 02 00 --- 10 28 08 37.0 141.1 -2.1 -18.6 300 323 23 57 01 00 03 00 M87 10 29 08 37.0 141.4 -2.0 -18.5 58 323 00 03 00 00 08 00 --- 10 34 09 37.4 142.9 -2.0 -17.9 300 400 00 03 01 00 14 00 3C279 10 40 10 18.6 143.8 -2.3 -17.2 335 400 00 14 00 00 17 00 --- 10 43 11 18.8 144.6 -2.2 -16.8 180 446 00 14 01 00 19 00 M87 10 45 11 38.2 146.1 -1.8 -16.5 95 446 00 19 00 00 24 00 --- 10 50 12 38.6 147.6 -1.7 -15.8 300 523 00 19 01 00 25 00 M87 10 51 12 38.6 147.9 -1.7 -15.7 58 523 00 25 00 00 30 00 --- 10 56 13 38.9 149.4 -1.6 -15.0 300 600 00 25 01 00 36 00 1156+295 11 02 14 57.4 155.9 -1.0 -13.4 336 600 00 36 00 00 39 00 --- 11 05 14 57.6 157.1 -0.9 -12.8 180 646 00 36 01 00 41 00 M87 11 07 15 39.6 152.8 -1.4 -13.4 96 646 00 41 00 00 46 00 --- 11 12 15 39.9 154.4 -1.3 -12.7 300 723 00 41 01 00 47 00 M87 11 13 16 39.9 154.7 -1.3 -12.6 58 723 00 47 00 00 52 00 --- 11 18 16 40.2 156.2 -1.2 -11.8 300 800 00 47 01 Schedule for METSAHOV (Code Mh ) Page 3 GK052 Ultra-Deep Polarization Imaging of M87. Kim et al. UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Fri 2 Feb 2018 Day 33 --- 00 58 00 3C279 11 24 17 21.4 155.1 -1.5 -12.1 335 800 00 58 00 01 01 00 --- 11 27 18 21.6 155.9 -1.5 -11.8 180 846 00 58 01 01 03 00 M87 11 29 18 40.7 159.7 -1.0 -10.2 95 846 01 03 00 01 08 00 --- 11 34 19 40.9 161.3 -1.0 -9.4 300 923 01 03 01 01 09 00 M87 11 35 19 41.0 161.6 -0.9 -9.2 58 923 01 09 00 01 14 00 --- 11 40 20 41.1 163.2 -0.9 -8.4 300 1000 01 09 01 01 20 00 1156+295 11 46 21 58.8 174.0 -0.2 -3.4 336 1000 01 20 00 01 23 00 --- 11 49 22 58.9 175.3 -0.2 -2.7 180 1046 01 20 01 01 25 00 M87 11 51 22 41.5 166.8 -0.7 -6.7 97 1046 01 25 00 01 30 00 --- 11 56 23 41.6 168.4 -0.6 -5.9 300 1123 01 25 01 01 31 00 M87 11 57 23 41.7 168.7 -0.6 -5.7 58 1123 01 31 00 01 36 00 --- 12 02 24 41.8 170.4 -0.5 -4.9 300 1200 01 31 01 01 42 00 3C279 12 08 25 23.2 166.8 -0.8 -6.5 335 1200 01 42 00 01 45 00 --- 12 11 25 23.3 167.6 -0.8 -6.1 180 1246 01 42 01 01 47 00 M87 12 13 26 42.0 174.0 -0.3 -3.1 95 1246 01 47 00 01 52 00 --- 12 18 26 42.0 175.6 -0.2 -2.2 300 1323 01 47 01 01 53 00 M87 12 19 27 42.0 176.0 -0.2 -2.1 58 1323 01 53 00 01 58 00 --- 12 24 27 42.1 177.6 -0.1 -1.2 300 1400 01 53 01 02 04 00 1156+295 12 30 28 58.5 192.6 0.5 7.1 337 1400 02 04 00 02 07 00 --- 12 33 29 58.4 193.9 0.6 7.8 180 1446 02 04 01 02 09 00 M87 12 35 29 42.1 181.2 0.1 0.6 98 1446 02 09 00 02 14 00 --- 12 40 30 42.0 182.9 0.1 1.5 300 1523 02 09 01 02 15 00 M87 12 41 30 42.0 183.2 0.2 1.6 58 1523 02 15 00 02 20 00 --- 12 46 31 42.0 184.9 0.2 2.5 300 1600 02 15 01 02 26 00 3C279 12 52 32 23.9 178.8 -0.1 -0.6 336 1600 02 26 00 02 29 00 --- 12 55 32 23.9 179.6 -0.0 -0.2 180 1646 02 26 01 02 31 00 M87 12 57 33 41.8 188.5 0.4 4.3 96 1646 02 31 00 02 36 00 --- 13 02 34 41.7 190.1 0.5 5.1 300 1723 02 31 01 02 37 00 M87 13 03 34 41.7 190.4 0.5 5.3 58 1723 02 37 00 02 42 00 --- 13 08 35 41.6 192.1 0.6 6.1 300 1800 02 37 01 Schedule for METSAHOV (Code Mh ) Page 4 GK052 Ultra-Deep Polarization Imaging of M87. Kim et al. UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Fri 2 Feb 2018 Day 33 --- 02 48 00 1156+295 13 14 36 56.5 210.2 1.2 16.6 338 1800 02 48 00 02 51 00 --- 13 17 36 56.3 211.3 1.3 17.2 180 1846 02 48 01 02 53 00 M87 13 19 36 41.3 195.6 0.8 7.9 98 1846 02 53 00 02 58 00 --- 13 24 37 41.1 197.2 0.9 8.7 300 1923 02 53 01 02 59 00 M87 13 25 37 41.1 197.6 0.9 8.8 58 1923 02 59 00 03 04 00 --- 13 30 38 40.9 199.2 1.0 9.6 300 2000 02 59 01 03 10 00 3C279 13 36 39 23.4 190.7 0.7 5.3 337 2000 03 10 00 03 13 00 --- 13 39 40 23.4 191.5 0.7 5.7 180 2046 03 10 01 03 15 00 M87 13 41 40 40.4 202.7 1.2 11.3 97 2046 03 15 00 03 20 00 --- 13 46 41 40.1 204.2 1.2 12.0 300 2123 03 15 01 03 21 00 M87 13 47 41 40.1 204.5 1.3 12.2 58 2123 03 21 00 03 26 00 --- 13 52 42 39.8 206.1 1.3 12.9 300 2200 03 21 01 ---------- Segment (B). Ef+Ys+Mh+KVN+GBT (0330-0430) ---------- 03 32 00 1156+295 13 58 43 53.1 225.9 2.0 24.1 336 2200 03 32 00 03 38 30 --- 14 05 14 52.5 228.1 2.1 25.0 390 2300 03 32 01 03 40 30 M87 14 07 14 38.9 210.6 1.6 15.0 96 2300 03 40 30 03 45 30 --- 14 12 15 38.6 212.1 1.7 15.7 300 2377 03 40 31 03 46 30 M87 14 13 15 38.6 212.4 1.7 15.8 58 2377 03 46 30 03 51 30 --- 14 18 16 38.2 213.9 1.8 16.5 300 2454 03 46 31 03 57 30 1156+295 14 24 17 50.7 234.1 2.4 27.4 336 2454 03 57 30 04 00 30 --- 14 27 17 50.4 235.0 2.4 27.8 180 2500 03 57 31 04 02 30 M87 14 29 18 37.4 217.1 2.0 17.9 96 2500 04 02 30 04 07 30 --- 14 34 19 37.0 218.6 2.0 18.5 300 2577 04 02 31 04 08 30 M87 14 35 19 37.0 218.9 2.1 18.6 58 2577 04 08 30 04 13 30 --- 14 40 20 36.6 220.3 2.1 19.2 300 2654 04 08 31 04 19 30 3C279 14 46 21 20.5 209.2 1.8 14.1 338 2654 04 19 30 04 22 00 --- 14 48 51 20.3 209.8 1.9 14.4 150 2692 04 19 31 04 23 00 3C279 14 49 51 20.3 210.1 1.9 14.5 58 2692 04 23 00 04 28 00 --- 14 54 52 20.0 211.3 2.0 15.1 300 2769 04 23 01 Schedule for METSAHOV (Code Mh ) Page 5 GK052 Ultra-Deep Polarization Imaging of M87. Kim et al. UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Fri 2 Feb 2018 Day 33 --- ---------- Segment (C). Ef+Ys+Mh+KVN+GBT+VLBA (0430-0630) ---------- 04 30 00 M87 14 56 52 35.2 225.0 2.4 21.1 99 2769 04 30 00 04 35 00 --- 15 01 53 34.7 226.4 2.5 21.6 300 2846 04 30 01 04 36 00 M87 15 02 53 34.6 226.7 2.5 21.7 58 2846 04 36 00 04 41 00 --- 15 07 54 34.2 228.1 2.6 22.2 300 2923 04 36 01 04 47 00 1156+295 15 13 55 45.3 248.2 3.2 31.9 335 2923 04 47 00 04 50 00 --- 15 16 56 45.0 248.9 3.3 32.1 180 2969 04 47 01 04 52 00 M87 15 18 56 33.1 231.0 2.8 23.3 96 2969 04 52 00 04 57 00 --- 15 23 57 32.6 232.4 2.9 23.7 300 3046 04 52 01 04 58 00 M87 15 24 57 32.5 232.7 2.9 23.8 58 3046 04 58 00 05 03 00 --- 15 29 58 32.0 234.0 3.0 24.3 300 3123 04 58 01 05 09 00 1156+295 15 35 59 42.7 253.8 3.6 33.1 336 3123 05 09 00 05 11 30 --- 15 38 29 42.4 254.4 3.6 33.2 150 3162 05 09 01 05 13 30 M87 15 40 29 31.0 236.7 3.1 25.1 96 3162 05 13 30 05 18 30 --- 15 45 30 30.4 238.0 3.2 25.5 300 3238 05 13 31 05 24 30 3C279 15 51 31 15.6 225.4 2.9 20.8 340 3238 05 24 30 05 27 30 --- 15 54 32 15.3 226.1 3.0 21.1 180 3285 05 24 31 05 29 30 M87 15 56 32 29.3 240.8 3.4 26.3 100 3285 05 29 30 05 34 30 --- 16 01 33 28.7 242.0 3.5 26.7 300 3362 05 29 31 05 35 30 M87 16 02 33 28.6 242.3 3.5 26.7 58 3362 05 35 30 05 40 30 --- 16 07 34 28.1 243.5 3.6 27.1 300 3438 05 35 31 05 46 30 1156+295 16 13 35 38.1 262.8 4.2 34.3 336 3438 05 46 30 05 49 00 --- 16 16 05 37.8 263.3 4.3 34.4 150 3477 05 46 31 05 51 00 M87 16 18 06 26.9 246.1 3.8 27.7 96 3477 05 51 00 05 56 00 --- 16 23 06 26.3 247.3 3.9 28.0 300 3554 05 51 01 05 57 00 M87 16 24 07 26.2 247.6 3.9 28.0 58 3554 05 57 00 06 02 00 --- 16 29 07 25.6 248.8 4.0 28.3 300 3631 05 57 01 06 08 00 3C279 16 35 08 11.4 235.7 3.6 24.4 340 3631 06 08 00 06 11 00 --- 16 38 09 11.1 236.4 3.7 24.6 180 3677 06 08 01 Schedule for METSAHOV (Code Mh ) Page 6 GK052 Ultra-Deep Polarization Imaging of M87. Kim et al. UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Fri 2 Feb 2018 Day 33 --- 06 13 00 M87 16 40 09 24.3 251.4 4.1 28.8 99 3677 06 13 00 06 18 00 --- 16 45 10 23.7 252.5 4.2 29.0 300 3754 06 13 01 06 19 00 M87 16 46 10 23.6 252.8 4.2 29.1 58 3754 06 19 00 06 24 00 --- 16 51 11 23.0 253.9 4.3 29.2 300 3831 06 19 01 ---------- Segment (D). Ef+Ys+Mh+KVN+GBT+VLBA+Y27 (0630-0930) ---------- 06 30 00 1156+295 16 57 12 32.7 272.4 4.9 34.6 337 3831 06 30 00 06 36 30 --- 17 03 43 31.9 273.8 5.1 34.6 390 3931 06 30 01 06 38 30 M87 17 05 43 21.3 257.3 4.6 29.7 97 3931 06 38 30 06 43 30 --- 17 10 44 20.7 258.4 4.6 29.9 300 4008 06 38 31 06 44 30 M87 17 11 44 20.5 258.6 4.7 29.9 58 4008 06 44 30 06 49 30 --- 17 16 45 19.9 259.8 4.8 30.0 300 4085 06 44 31 06 55 30 1156+295 17 22 46 29.6 277.8 5.4 34.3 337 4085 06 55 30 06 58 30 --- 17 25 47 29.2 278.4 5.4 34.2 180 4131 06 55 31 07 00 30 M87 17 27 47 18.6 262.2 4.9 30.2 97 4131 07 00 30 07 05 30 --- 17 32 48 18.0 263.4 5.0 30.3 300 4208 07 00 31 07 06 30 M87 17 33 48 17.8 263.6 5.0 30.3 58 4208 07 06 30 07 11 30 --- 17 38 49 17.2 264.7 5.1 30.4 300 4285 07 06 31 07 25 30 M87 17 52 51 15.5 267.8 5.4 30.5 837 4285 07 25 30 07 30 30 --- 17 57 52 14.8 268.9 5.4 30.5 300 4362 07 25 31 07 36 30 1156+295 18 03 53 24.6 286.2 6.1 33.1 338 4362 07 36 30 07 39 30 --- 18 06 53 24.2 286.8 6.1 33.0 180 4408 07 36 31 07 41 30 M87 18 08 54 13.5 271.3 5.6 30.5 98 4408 07 41 30 07 46 30 --- 18 13 55 12.9 272.3 5.7 30.5 300 4485 07 41 31 07 47 30 M87 18 14 55 12.7 272.6 5.7 30.5 58 4485 07 47 30 07 52 30 --- 18 19 56 12.1 273.6 5.8 30.5 300 4562 07 47 31 08 06 30 M87 18 33 58 10.4 276.7 6.0 30.3 837 4562 08 06 30 08 11 30 --- 18 38 59 9.8 277.7 6.1 30.2 300 4638 08 06 31 08 17 30 1156+295 18 45 00 19.8 294.4 6.7 31.2 338 4638 08 17 30 08 20 30 --- 18 48 00 19.5 295.0 6.8 31.0 180 4685 08 17 31 Schedule for METSAHOV (Code Mh ) Page 7 GK052 Ultra-Deep Polarization Imaging of M87. Kim et al. UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Fri 2 Feb 2018 Day 33 --- 08 22 30 M87 18 50 00 8.4 280.1 6.3 30.0 99 4685 08 22 30 08 27 30 --- 18 55 01 7.8 281.2 6.4 29.9 300 4762 08 22 31 08 28 30 M87 18 56 01 7.7 281.4 6.4 29.9 58 4762 08 28 30 08 33 30 --- 19 01 02 7.1 282.4 6.5 29.8 300 4838 08 28 31 08 47 30 M87 19 15 05 5.4 285.4 6.7 29.3 837 4838 08 47 30 08 52 30 --- 19 20 05 4.8 286.5 6.8 D 29.2 0 4915 08 47 31 08 58 30 1156+295 19 26 06 15.3 302.5 7.4 28.7 339 4915 08 58 30 09 01 30 --- 19 29 07 15.0 303.1 7.5 28.4 180 4962 08 58 31 09 20 30 1156+295 19 48 10 13.1 306.9 7.8 27.0 1137 4962 09 20 30 09 23 30 --- 19 51 11 12.8 307.5 7.8 26.8 180 5008 09 20 31 09 24 00 1156+295 19 51 41 12.7 307.6 7.9 26.8 28 5008 09 24 00 09 27 00 --- 19 54 41 12.4 308.2 7.9 26.5 180 5054 09 24 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess317.Q2048glob --- WARNING --- This group does not match an entry in the frequency catalog. This might be ok because the catalog is not complete. But be very careful to be sure that the setup is correct. Setup group: 18 Station: METSAHOV Total bit rate: 2048 Format: MARK5B Bits per sample: 2 Sample rate: 64.000 Number of channels: 16 DBE type: DBBC_DDC Speedup factor: 1.00 Disk used to record data. 1st LO= 42400.00 42400.00 42400.00 42400.00 42400.00 42400.00 42400.00 42400.00 42400.00 42400.00 42400.00 42400.00 42400.00 42400.00 42400.00 42400.00 Net SB= L L U U L L U U L L U U L L U U IF SB = U U U U U U U U U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 9 1 9 3 11 3 11 5 13 5 13 7 15 7 15 BBC SB= L L U U L L U U L L U U L L U U IF = A1 B1 A1 B1 A1 B1 A1 B1 A1 B1 A1 B1 A1 B1 A1 B1 The following frequency sets based on these setups were used. Frequency Set: 3 Setup file default. Used with PCAL = 1MHz LO sum= 43072.00 43072.00 43072.00 43072.00 43136.00 43136.00 43136.00 43136.00 43200.00 43200.00 43200.00 43200.00 43264.00 43264.00 43264.00 43264.00 BBC fr= 672.00 672.00 672.00 672.00 736.00 736.00 736.00 736.00 800.00 800.00 800.00 800.00 864.00 864.00 864.00 864.00 Bandwd= 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 Matching frequency sets: 3 Track assignments are: track1= 18, 26, 2, 10, 20, 28, 4, 12, 22, 30, 6, 14, 24, 32, 8, 16 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) J0319+4130 03 16 29.567260 * 03 19 48.160090 03 20 59.919769 1.30 0316+413 41 19 51.91699 * 41 30 42.10412 41 34 35.77274 2.72 * 3C84 /home/guest/rmc/SCHED/sched11.4/catalogs/sources.vlba.2012jul J0319+41 GSFC 2011B astro solution 9957 Observations J1159+2914 11 56 57.786211 * 11 59 31.833912 12 00 27.537682 0.11 * 1156+295 29 31 25.73868 * 29 14 43.82678 29 08 33.24702 0.10 J1159+29 /home/guest/rmc/SCHED/sched11.4/catalogs/sources.vlba.2012jul rfc_2012b Petrov, 2012, unpublished 64535 observations J1229+0203 12 26 33.245833 * 12 29 06.699729 12 30 02.260907 1.05 * 3C273 02 19 43.30578 * 02 03 08.59828 01 57 08.02652 1.38 3C273B /home/guest/rmc/SCHED/sched11.4/catalogs/sources.vlba.2012jul 1226+023 GSFC 2011B astro solution 31886 Observations J1229+02 J1230+1223 12 28 17.569280 * 12 30 49.423382 12 31 44.309734 0.10 3C274 12 40 01.74884 * 12 23 28.04366 12 17 24.96557 0.10 1228+126 /home/guest/rmc/SCHED/sched11.4/catalogs/sources.vlba.2012jul J1230+12 rfc_2012b Petrov, 2012, unpublished 47163 observations * M87 J1256-0547 12 53 35.831299 * 12 56 11.166567 12 57 07.355951 0.69 * 3C279 -05 31 07.99595 *-05 47 21.52481 -05 53 10.97901 0.92 1253-055 /home/guest/rmc/SCHED/sched11.4/catalogs/sources.vlba.2012jul J1256-05 GSFC 2011B astro solution 7402 Observations J1331+3030 13 28 49.657778 * 13 31 08.288070 13 31 58.008621 0.20 * 3C286 30 45 58.64061 * 30 30 32.95925 30 24 50.96806 0.19 1328+307 /home/guest/rmc/SCHED/sched11.4/catalogs/sources.vlba.2012jul J1331+30 rfc_2012b Petrov, 2012, unpublished 542 observations SOURCE SCAN SUMMARY FOR SOURCES LISTED ABOVE Scan hours are for recording scans only. Baseline hours are only counted for scans above horizon at both ends. Source Setup file Frequency sets Observing hours (duplicates not shown) Scan Baseline 3C84 sess317.Q2048glob 17 0.117 0.000 ps/vla_x_pointing.set 18 0.167 0.000 1156+295 sess317.Q2048glob 1 2 3 4 7 8 17 1.683 81.008 3C273 ps/vla_x_pointing.set 18 1.283 0.000 M87 sess317.Q2048glob 1 2 3 4 7 8 17 8.875 395.469 3C279 sess317.Q2048glob 1 2 3 4 7 8 17 1.300 47.667 3C286 sess317.Q2048glob 17 0.233 0.000 ps/vla_x_pointing.set 18 0.267 0.000 EFFECT OF SOLAR CORONA 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) 3C84 104.2 1156+295 137.7 3C273 127.2 M87 129.6 3C279 118.0 3C286 117.9 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