COVER INFORMATION Station: URUMQI (Code Ur ) Experiment: Dual AGN J1328+2752 Exp. Code: EN008A Schedule Version: 4.00 Processed by SCHED version: 11.60 Release 11.6; April 2020 PI: Sumana Nandi Address: National Centre for Radio Astrophysics - TIFR S.P. Pune Univ. Campus, Ganeshkhind Pune 411007 India Phone: +91 9845687023 EMAIL: sumana1981@gmail.com Fax: 91-020-25692149 Phone during observation: +91 9845687023 Observing mode: Phase-referenced continuum observation at 3.6cm Notes: v4 to 2Gbps, with PC approval Schedule for URUMQI (Code Ur ) Page 2 Dual AGN J1328+2752 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 12 Mar 2021 Day 71 --- Next scan frequencies: 8319.49 8319.49 8319.49 8319.49 8383.49 8383.49 8383.49 8383.49 8447.49 8447.49 8447.49 8447.49 8511.49 8511.49 8511.49 8511.49 Next BBC frequencies: 219.49 219.49 219.49 219.49 283.49 283.49 283.49 283.49 347.49 347.49 347.49 347.49 411.49 411.49 411.49 411.49 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 21 00 00 J1327+2210 14 11 37 66.8 206.4 0.7 20.4 0 0 21 00 00 21 05 30 --- 14 17 08 66.3 209.4 0.8 22.6 330 85 21 00 01 21 05 30 J1333+2725 14 17 08 71.7 211.8 0.7 25.5 -14 85 No stop 21 07 30 --- 14 19 08 71.5 213.0 0.8 26.4 106 115 21 05 31 21 07 30 J1328+2752 14 19 08 71.4 216.4 0.8 29.1 -7 115 No stop 21 11 00 --- 14 22 39 71.0 218.5 0.9 30.7 203 169 21 07 31 21 11 00 J1333+2725 14 22 39 71.1 215.2 0.8 28.1 -7 169 No stop 21 12 30 --- 14 24 09 70.9 216.1 0.8 28.8 83 192 21 11 01 21 13 10 J1328+2752 14 24 49 70.8 219.7 0.9 31.6 33 192 21 13 10 21 16 00 --- 14 27 40 70.4 221.3 1.0 32.8 170 236 21 13 11 21 16 30 J1333+2725 14 28 10 70.5 218.5 0.9 30.5 23 236 21 16 30 21 18 00 --- 14 29 40 70.3 219.3 0.9 31.2 90 259 21 16 31 21 18 00 J1328+2752 14 29 40 70.2 222.4 1.0 33.6 -7 259 No stop 21 21 30 --- 14 33 11 69.8 224.3 1.1 34.9 203 313 21 18 01 21 21 30 J1333+2725 14 33 11 69.9 221.3 1.0 32.6 -7 313 No stop 21 23 00 --- 14 34 41 69.7 222.1 1.0 33.2 83 336 21 21 31 21 23 40 J1328+2752 14 35 21 69.5 225.4 1.1 35.7 33 336 21 23 40 21 26 30 --- 14 38 11 69.1 226.9 1.1 36.8 170 379 21 23 41 21 27 00 J1333+2725 14 38 42 69.2 224.2 1.1 34.7 23 379 21 27 00 21 28 30 --- 14 40 12 69.0 224.9 1.1 35.2 90 403 21 27 01 21 28 30 J1328+2752 14 40 12 68.8 227.8 1.2 37.4 -7 403 No stop 21 32 00 --- 14 43 42 68.4 229.5 1.2 38.6 203 456 21 28 31 21 32 00 J1333+2725 14 43 42 68.6 226.7 1.2 36.5 -7 456 No stop 21 33 30 --- 14 45 13 68.4 227.4 1.2 37.0 83 479 21 32 01 21 34 10 J1328+2752 14 45 53 68.1 230.5 1.3 39.3 33 479 21 34 10 21 37 00 --- 14 48 43 67.7 231.8 1.3 40.1 170 523 21 34 11 Schedule for URUMQI (Code Ur ) Page 3 Dual AGN J1328+2752 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 12 Mar 2021 Day 71 --- 21 37 30 J1333+2725 14 49 13 67.8 229.3 1.3 38.3 23 523 21 37 30 21 39 00 --- 14 50 44 67.6 230.0 1.3 38.7 90 546 21 37 31 21 39 00 J1328+2752 14 50 44 67.4 232.7 1.3 40.7 -7 546 No stop 21 42 30 --- 14 54 14 66.9 234.2 1.4 41.7 203 600 21 39 01 21 42 30 J1333+2725 14 54 14 67.1 231.6 1.3 39.8 -7 600 No stop 21 44 00 --- 14 55 44 66.9 232.2 1.4 40.2 83 623 21 42 31 21 44 40 J1328+2752 14 56 24 66.5 235.1 1.4 42.3 33 623 21 44 40 21 47 30 --- 14 59 15 66.1 236.2 1.5 43.0 170 667 21 44 41 21 48 00 J1333+2725 14 59 45 66.3 233.9 1.4 41.3 24 667 21 48 00 21 49 30 --- 15 01 15 66.1 234.6 1.5 41.7 90 690 21 48 01 21 49 30 J1328+2752 15 01 15 65.8 237.0 1.5 43.5 -7 690 No stop 21 53 00 --- 15 04 46 65.3 238.4 1.6 44.3 203 744 21 49 31 21 53 00 J1333+2725 15 04 46 65.6 236.0 1.5 42.6 -6 744 No stop 21 54 30 --- 15 06 16 65.4 236.6 1.5 43.0 84 767 21 53 01 21 55 10 J1328+2752 15 06 56 64.9 239.2 1.6 44.8 34 767 21 55 10 21 58 00 --- 15 09 47 64.5 240.2 1.7 45.4 170 810 21 55 11 21 58 30 J1333+2725 15 10 17 64.8 238.1 1.6 43.9 24 810 21 58 30 22 00 00 --- 15 11 47 64.5 238.7 1.6 44.2 90 833 21 58 31 22 00 00 J1328+2752 15 11 47 64.2 241.0 1.7 45.8 -6 833 No stop 22 03 30 --- 15 15 18 63.6 242.2 1.8 46.5 204 887 22 00 01 22 03 30 J1333+2725 15 15 18 64.0 239.9 1.7 45.0 -6 887 No stop 22 05 00 --- 15 16 48 63.7 240.5 1.7 45.3 84 910 22 03 31 22 05 40 J1328+2752 15 17 28 63.3 242.9 1.8 46.9 34 910 22 05 40 22 08 30 --- 15 20 18 62.8 243.9 1.8 47.4 170 954 22 05 41 22 09 00 J1333+2725 15 20 48 63.1 241.9 1.8 46.1 24 954 22 09 00 22 10 30 --- 15 22 19 62.9 242.4 1.8 46.4 90 977 22 09 01 22 10 30 J1328+2752 15 22 19 62.5 244.5 1.9 47.8 -6 977 No stop 22 14 00 --- 15 25 49 61.9 245.6 1.9 48.3 204 1031 22 10 31 22 14 00 J1333+2725 15 25 49 62.3 243.5 1.9 47.0 -6 1031 No stop 22 15 30 --- 15 27 20 62.1 244.0 1.9 47.2 84 1054 22 14 01 Schedule for URUMQI (Code Ur ) Page 4 Dual AGN J1328+2752 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 12 Mar 2021 Day 71 --- 22 16 10 J1328+2752 15 28 00 61.5 246.3 2.0 48.7 34 1054 22 16 10 22 19 00 --- 15 30 50 61.1 247.2 2.0 49.1 170 1097 22 16 11 22 19 30 J1333+2725 15 31 20 61.4 245.3 2.0 47.9 24 1097 22 19 30 22 21 00 --- 15 32 50 61.2 245.8 2.0 48.1 90 1121 22 19 31 22 21 00 J1328+2752 15 32 50 60.7 247.8 2.1 49.4 -6 1121 No stop 22 24 30 --- 15 36 21 60.1 248.8 2.1 49.9 204 1174 22 21 01 22 24 30 J1333+2725 15 36 21 60.6 246.8 2.0 48.7 -6 1174 No stop 22 26 00 --- 15 37 51 60.3 247.3 2.1 48.9 84 1197 22 24 31 22 26 40 J1328+2752 15 38 31 59.8 249.4 2.1 50.1 34 1197 22 26 40 22 29 30 --- 15 41 22 59.3 250.2 2.2 50.5 170 1241 22 26 41 22 30 00 J1333+2725 15 41 52 59.6 248.4 2.1 49.4 24 1241 22 30 00 22 31 30 --- 15 43 22 59.4 248.9 2.2 49.6 90 1264 22 30 01 22 31 30 J1328+2752 15 43 22 58.9 250.7 2.2 50.7 -6 1264 No stop 22 35 00 --- 15 46 53 58.3 251.7 2.3 51.1 204 1318 22 31 31 22 35 00 J1333+2725 15 46 53 58.8 249.8 2.2 50.1 -6 1318 No stop 22 36 30 --- 15 48 23 58.5 250.2 2.2 50.2 84 1341 22 35 01 22 37 10 J1328+2752 15 49 03 58.0 252.2 2.3 51.4 34 1341 22 37 10 22 40 00 --- 15 51 54 57.5 253.0 2.4 51.6 170 1385 22 37 11 22 40 30 J1333+2725 15 52 24 57.8 251.3 2.3 50.7 24 1385 22 40 30 22 42 00 --- 15 53 54 57.6 251.7 2.3 50.9 90 1408 22 40 31 22 42 00 J1328+2752 15 53 54 57.1 253.5 2.4 51.8 -6 1408 No stop 22 45 30 --- 15 57 24 56.5 254.4 2.5 52.2 204 1462 22 42 01 22 45 30 J1333+2725 15 57 24 57.0 252.6 2.4 51.2 -6 1462 No stop 22 47 00 --- 15 58 55 56.7 253.0 2.4 51.4 84 1485 22 45 31 22 47 40 J1328+2752 15 59 35 56.1 254.9 2.5 52.4 34 1485 22 47 40 22 50 30 --- 16 02 25 55.6 255.6 2.5 52.6 170 1528 22 47 41 22 51 00 J1333+2725 16 02 55 56.0 254.0 2.5 51.7 24 1528 22 51 00 22 52 30 --- 16 04 26 55.8 254.4 2.5 51.9 90 1551 22 51 01 22 52 30 J1328+2752 16 04 26 55.3 256.0 2.6 52.7 -6 1551 No stop 22 56 00 --- 16 07 56 54.7 256.9 2.6 53.0 204 1605 22 52 31 Schedule for URUMQI (Code Ur ) Page 5 Dual AGN J1328+2752 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 12 Mar 2021 Day 71 --- 22 56 00 J1333+2725 16 07 56 55.1 255.2 2.6 52.2 -6 1605 No stop 22 57 30 --- 16 09 26 54.9 255.6 2.6 52.3 84 1628 22 56 01 22 58 10 J1328+2752 16 10 07 54.3 257.4 2.7 53.2 34 1628 22 58 10 23 01 00 --- 16 12 57 53.8 258.0 2.7 53.3 170 1672 22 58 11 23 01 30 J1333+2725 16 13 27 54.2 256.5 2.7 52.6 24 1672 23 01 30 23 03 00 --- 16 14 57 53.9 256.9 2.7 52.7 90 1695 23 01 31 23 03 00 J1328+2752 16 14 57 53.4 258.4 2.8 53.5 -6 1695 No stop 23 06 30 --- 16 18 28 52.8 259.2 2.8 53.7 204 1749 23 03 01 23 06 30 J1333+2725 16 18 28 53.3 257.7 2.7 52.9 -6 1749 No stop 23 08 00 --- 16 19 58 53.0 258.0 2.8 53.0 84 1772 23 06 31 23 08 40 J1328+2752 16 20 38 52.4 259.7 2.8 53.8 34 1772 23 08 40 23 11 30 --- 16 23 29 51.9 260.3 2.9 53.9 170 1815 23 08 41 23 12 00 J1333+2725 16 23 59 52.3 258.9 2.8 53.3 25 1815 23 12 00 23 13 30 --- 16 25 29 52.0 259.2 2.9 53.4 90 1838 23 12 01 23 13 30 J1328+2752 16 25 29 51.5 260.7 2.9 54.0 -5 1838 No stop 23 17 00 --- 16 29 00 50.9 261.4 3.0 54.2 205 1892 23 13 31 23 17 00 J1333+2725 16 29 00 51.4 259.9 2.9 53.5 -5 1892 No stop 23 18 30 --- 16 30 30 51.1 260.3 2.9 53.6 85 1915 23 17 01 23 19 10 J1328+2752 16 31 10 50.5 261.9 3.0 54.3 35 1915 23 19 10 23 22 00 --- 16 34 00 50.0 262.4 3.1 54.4 170 1959 23 19 11 23 22 30 J1333+2725 16 34 31 50.4 261.1 3.0 53.8 25 1959 23 22 30 23 24 00 --- 16 36 01 50.2 261.4 3.0 53.9 90 1982 23 22 31 23 24 00 J1328+2752 16 36 01 49.6 262.8 3.1 54.5 -5 1982 No stop 23 27 30 --- 16 39 31 49.0 263.5 3.2 54.6 205 2036 23 24 01 23 27 30 J1333+2725 16 39 31 49.5 262.1 3.1 54.0 -5 2036 No stop 23 29 00 --- 16 41 02 49.3 262.4 3.1 54.1 85 2059 23 27 31 23 29 40 J1328+2752 16 41 42 48.6 264.0 3.2 54.6 35 2059 23 29 40 23 32 30 --- 16 44 32 48.1 264.5 3.2 54.7 170 2103 23 29 41 23 33 00 J1333+2725 16 45 02 48.5 263.2 3.2 54.2 25 2103 23 33 00 23 34 30 --- 16 46 32 48.3 263.5 3.2 54.2 90 2126 23 33 01 Schedule for URUMQI (Code Ur ) Page 6 Dual AGN J1328+2752 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 12 Mar 2021 Day 71 --- 23 34 30 J1328+2752 16 46 32 47.8 264.9 3.3 54.8 -5 2126 No stop 23 38 00 --- 16 50 03 47.1 265.6 3.3 54.9 205 2179 23 34 31 23 38 00 J1333+2725 16 50 03 47.6 264.2 3.3 54.3 -5 2179 No stop 23 39 30 --- 16 51 33 47.4 264.5 3.3 54.4 85 2203 23 38 01 23 40 10 J1328+2752 16 52 13 46.7 266.0 3.4 54.9 35 2203 23 40 10 23 43 00 --- 16 55 04 46.2 266.5 3.4 54.9 170 2246 23 40 11 23 43 30 J1333+2725 16 55 34 46.6 265.2 3.4 54.5 25 2246 23 43 30 23 45 00 --- 16 57 04 46.4 265.5 3.4 54.5 90 2269 23 43 31 23 45 00 J1328+2752 16 57 04 45.8 266.8 3.5 55.0 -5 2269 No stop 23 48 30 --- 17 00 35 45.2 267.5 3.5 55.0 205 2323 23 45 01 23 48 30 J1333+2725 17 00 35 45.7 266.2 3.4 54.6 -5 2323 No stop 23 50 00 --- 17 02 05 45.5 266.4 3.5 54.6 85 2346 23 48 31 23 50 40 J1328+2752 17 02 45 44.8 267.9 3.5 55.0 35 2346 23 50 40 23 53 30 --- 17 05 36 44.3 268.4 3.6 55.1 170 2390 23 50 41 23 54 00 J1333+2725 17 06 06 44.7 267.2 3.5 54.7 25 2390 23 54 00 23 55 30 --- 17 07 36 44.5 267.5 3.6 54.7 90 2413 23 54 01 23 55 30 J1327+2210 17 07 36 40.2 262.9 3.7 51.0 -12 2413 No stop 23 59 59 --- 17 12 07 39.4 263.8 3.7 51.1 257 2482 23 55 31 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess121.X2048 --- 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: 11 Station: URUMQI 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= 8100.00 8100.00 8100.00 8100.00 8100.00 8100.00 8100.00 8100.00 8100.00 8100.00 8100.00 8100.00 8100.00 8100.00 8100.00 8100.00 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 2 10 2 10 3 11 3 11 4 12 4 12 BBC SB= L L U U L L U U L L U U L L U U IF = A1 C2 A1 C2 A1 C2 A1 C2 A1 C2 A1 C2 A1 C2 A1 C2 The following frequency sets based on these setups were used. Frequency Set: 6 Setup file default. Used with PCAL = off LO sum= 8319.49 8319.49 8319.49 8319.49 8383.49 8383.49 8383.49 8383.49 8447.49 8447.49 8447.49 8447.49 8511.49 8511.49 8511.49 8511.49 BBC fr= 219.49 219.49 219.49 219.49 283.49 283.49 283.49 283.49 347.49 347.49 347.49 347.49 411.49 411.49 411.49 411.49 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: 6 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) * J1328+2752 13 26 27.936848 * 13 28 48.450000 13 29 48.376348 0.00 28 07 57.38064 * 27 52 27.81000 27 45 47.74249 0.00 From catalog imbedded in main SCHED input file. * J1333+2725 13 30 47.331469 * 13 33 07.490000 13 34 07.250310 0.00 27 40 40.74182 * 27 25 18.38200 27 18 41.22408 0.00 From catalog imbedded in main SCHED input file. * J1327+2210 13 24 37.118315 * 13 27 00.861000 13 28 02.080071 0.00 22 26 22.70157 * 22 10 50.16200 22 04 09.49526 0.00 From catalog imbedded in main SCHED input file. 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 J1328+2752 sess121.X2048 1 2 3 4 5 6 7 8 9 13 14 1.689 146.472 J1333+2725 sess121.X2048 1 2 3 4 5 6 7 8 9 13 14 0.833 67.971 J1327+2210 sess121.X2048 1 2 3 4 5 6 7 8 9 13 14 0.166 14.383 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) J1328+2752 142.6 J1333+2725 142.1 J1327+2210 146.1 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