COVER INFORMATION Station: KUNMING (Code Km ) 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 KUNMING (Code Km ) 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 15 14 05 65.6 268.6 1.8 77.8 0 0 21 00 00 21 05 30 --- 15 19 36 64.3 269.2 1.9 77.9 330 85 21 00 01 21 05 30 J1333+2725 15 19 36 66.3 281.3 1.8 89.5 -16 85 No stop 21 07 30 --- 15 21 37 65.8 281.3 1.8 89.3 104 115 21 05 31 21 07 30 J1328+2752 15 21 37 64.9 282.4 1.9 89.8 -6 115 No stop 21 11 00 --- 15 25 07 64.1 282.4 1.9 89.4 204 169 21 07 31 21 11 00 J1333+2725 15 25 07 65.0 281.4 1.8 88.9 -6 169 No stop 21 12 30 --- 15 26 37 64.7 281.4 1.9 88.8 84 192 21 11 01 21 13 10 J1328+2752 15 27 18 63.6 282.5 2.0 89.2 34 192 21 13 10 21 16 00 --- 15 30 08 63.0 282.5 2.0 88.8 170 236 21 13 11 21 16 30 J1333+2725 15 30 38 63.8 281.4 1.9 88.3 24 236 21 16 30 21 18 00 --- 15 32 08 63.5 281.4 2.0 88.2 90 259 21 16 31 21 18 00 J1328+2752 15 32 08 62.5 282.5 2.0 88.6 -6 259 No stop 21 21 30 --- 15 35 39 61.8 282.5 2.1 88.3 204 313 21 18 01 21 21 30 J1333+2725 15 35 39 62.7 281.5 2.0 87.8 -6 313 No stop 21 23 00 --- 15 37 09 62.4 281.5 2.1 87.7 84 336 21 21 31 21 23 40 J1328+2752 15 37 49 61.3 282.6 2.1 88.0 34 336 21 23 40 21 26 30 --- 15 40 40 60.7 282.6 2.2 87.8 170 379 21 23 41 21 27 00 J1333+2725 15 41 10 61.5 281.6 2.1 87.3 24 379 21 27 00 21 28 30 --- 15 42 40 61.1 281.6 2.1 87.2 90 403 21 27 01 21 28 30 J1328+2752 15 42 40 60.2 282.7 2.2 87.6 -6 403 No stop 21 32 00 --- 15 46 11 59.4 282.7 2.3 87.2 204 456 21 28 31 21 32 00 J1333+2725 15 46 11 60.4 281.7 2.2 86.8 -5 456 No stop 21 33 30 --- 15 47 41 60.0 281.8 2.2 86.7 85 479 21 32 01 21 34 10 J1328+2752 15 48 21 59.0 282.8 2.3 87.0 34 479 21 34 10 21 37 00 --- 15 51 11 58.3 282.8 2.4 86.7 170 523 21 34 11 Schedule for KUNMING (Code Km ) 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 15 51 42 59.1 281.9 2.3 86.3 25 523 21 37 30 21 39 00 --- 15 53 12 58.8 281.9 2.3 86.2 90 546 21 37 31 21 39 00 J1328+2752 15 53 12 57.9 282.9 2.4 86.5 -6 546 No stop 21 42 30 --- 15 56 42 57.1 283.0 2.4 86.2 204 600 21 39 01 21 42 30 J1333+2725 15 56 42 58.0 282.0 2.4 85.9 -5 600 No stop 21 44 00 --- 15 58 13 57.7 282.1 2.4 85.7 85 623 21 42 31 21 44 40 J1328+2752 15 58 53 56.6 283.0 2.5 86.0 34 623 21 44 40 21 47 30 --- 16 01 43 56.0 283.1 2.5 85.7 170 667 21 44 41 21 48 00 J1333+2725 16 02 13 56.8 282.2 2.5 85.4 25 667 21 48 00 21 49 30 --- 16 03 44 56.5 282.2 2.5 85.3 90 690 21 48 01 21 49 30 J1328+2752 16 03 44 55.6 283.2 2.6 85.5 -6 690 No stop 21 53 00 --- 16 07 14 54.8 283.3 2.6 85.2 204 744 21 49 31 21 53 00 J1333+2725 16 07 14 55.7 282.4 2.6 85.0 -5 744 No stop 21 54 30 --- 16 08 44 55.4 282.4 2.6 84.8 85 767 21 53 01 21 55 10 J1328+2752 16 09 24 54.3 283.4 2.7 85.0 34 767 21 55 10 21 58 00 --- 16 12 15 53.7 283.5 2.7 84.8 170 810 21 55 11 21 58 30 J1333+2725 16 12 45 54.5 282.6 2.6 84.5 25 810 21 58 30 22 00 00 --- 16 14 15 54.1 282.6 2.7 84.4 90 833 21 58 31 22 00 00 J1328+2752 16 14 15 53.2 283.5 2.7 84.6 -6 833 No stop 22 03 30 --- 16 17 46 52.5 283.7 2.8 84.3 204 887 22 00 01 22 03 30 J1333+2725 16 17 46 53.4 282.8 2.7 84.1 -5 887 No stop 22 05 00 --- 16 19 16 53.0 282.8 2.8 83.9 85 910 22 03 31 22 05 40 J1328+2752 16 19 56 52.0 283.7 2.8 84.1 35 910 22 05 40 22 08 30 --- 16 22 47 51.4 283.8 2.9 83.9 170 954 22 05 41 22 09 00 J1333+2725 16 23 17 52.2 283.0 2.8 83.6 25 954 22 09 00 22 10 30 --- 16 24 47 51.8 283.0 2.8 83.5 90 977 22 09 01 22 10 30 J1328+2752 16 24 47 50.9 283.9 2.9 83.7 -5 977 No stop 22 14 00 --- 16 28 18 50.2 284.1 3.0 83.4 205 1031 22 10 31 22 14 00 J1333+2725 16 28 18 51.0 283.2 2.9 83.2 -5 1031 No stop 22 15 30 --- 16 29 48 50.7 283.2 2.9 83.1 85 1054 22 14 01 Schedule for KUNMING (Code Km ) 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 16 30 28 49.7 284.1 3.0 83.2 35 1054 22 16 10 22 19 00 --- 16 33 18 49.1 284.3 3.1 82.9 170 1097 22 16 11 22 19 30 J1333+2725 16 33 48 49.8 283.4 3.0 82.7 25 1097 22 19 30 22 21 00 --- 16 35 19 49.5 283.5 3.0 82.6 90 1121 22 19 31 22 21 00 J1328+2752 16 35 19 48.6 284.3 3.1 82.8 -5 1121 No stop 22 24 30 --- 16 38 49 47.8 284.5 3.2 82.5 205 1174 22 21 01 22 24 30 J1333+2725 16 38 49 48.7 283.6 3.1 82.3 -5 1174 No stop 22 26 00 --- 16 40 20 48.4 283.7 3.1 82.2 85 1197 22 24 31 22 26 40 J1328+2752 16 41 00 47.4 284.6 3.2 82.3 35 1197 22 26 40 22 29 30 --- 16 43 50 46.7 284.7 3.2 82.1 170 1241 22 26 41 22 30 00 J1333+2725 16 44 20 47.5 283.9 3.2 81.9 25 1241 22 30 00 22 31 30 --- 16 45 50 47.2 284.0 3.2 81.8 90 1264 22 30 01 22 31 30 J1328+2752 16 45 50 46.3 284.8 3.3 81.9 -5 1264 No stop 22 35 00 --- 16 49 21 45.5 285.0 3.3 81.6 205 1318 22 31 31 22 35 00 J1333+2725 16 49 21 46.4 284.1 3.3 81.5 -5 1318 No stop 22 36 30 --- 16 50 51 46.1 284.2 3.3 81.4 85 1341 22 35 01 22 37 10 J1328+2752 16 51 31 45.1 285.1 3.4 81.4 35 1341 22 37 10 22 40 00 --- 16 54 22 44.4 285.2 3.4 81.2 170 1385 22 37 11 22 40 30 J1333+2725 16 54 52 45.2 284.4 3.3 81.0 25 1385 22 40 30 22 42 00 --- 16 56 22 44.9 284.5 3.4 80.9 90 1408 22 40 31 22 42 00 J1328+2752 16 56 22 44.0 285.3 3.4 81.0 -5 1408 No stop 22 45 30 --- 16 59 53 43.2 285.5 3.5 80.7 205 1462 22 42 01 22 45 30 J1333+2725 16 59 53 44.1 284.6 3.4 80.6 -5 1462 No stop 22 47 00 --- 17 01 23 43.8 284.7 3.5 80.5 85 1485 22 45 31 22 47 40 J1328+2752 17 02 03 42.8 285.6 3.5 80.5 35 1485 22 47 40 22 50 30 --- 17 04 54 42.1 285.7 3.6 80.3 170 1528 22 47 41 22 51 00 J1333+2725 17 05 24 42.9 284.9 3.5 80.2 25 1528 22 51 00 22 52 30 --- 17 06 54 42.6 285.0 3.5 80.1 90 1551 22 51 01 22 52 30 J1328+2752 17 06 54 41.7 285.8 3.6 80.1 -5 1551 No stop 22 56 00 --- 17 10 24 40.9 286.0 3.7 79.8 205 1605 22 52 31 Schedule for KUNMING (Code Km ) 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 17 10 24 41.8 285.2 3.6 79.8 -5 1605 No stop 22 57 30 --- 17 11 55 41.5 285.3 3.6 79.7 85 1628 22 56 01 22 58 10 J1328+2752 17 12 35 40.5 286.1 3.7 79.7 35 1628 22 58 10 23 01 00 --- 17 15 25 39.8 286.3 3.8 79.4 170 1672 22 58 11 23 01 30 J1333+2725 17 15 55 40.6 285.5 3.7 79.4 25 1672 23 01 30 23 03 00 --- 17 17 26 40.3 285.6 3.7 79.2 90 1695 23 01 31 23 03 00 J1328+2752 17 17 26 39.4 286.4 3.8 79.3 -5 1695 No stop 23 06 30 --- 17 20 56 38.6 286.6 3.9 79.0 205 1749 23 03 01 23 06 30 J1333+2725 17 20 56 39.5 285.7 3.8 79.0 -5 1749 No stop 23 08 00 --- 17 22 26 39.2 285.8 3.8 78.8 85 1772 23 06 31 23 08 40 J1328+2752 17 23 07 38.2 286.7 3.9 78.8 35 1772 23 08 40 23 11 30 --- 17 25 57 37.6 286.8 3.9 78.6 170 1815 23 08 41 23 12 00 J1333+2725 17 26 27 38.3 286.1 3.9 78.5 25 1815 23 12 00 23 13 30 --- 17 27 57 38.0 286.1 3.9 78.4 90 1838 23 12 01 23 13 30 J1328+2752 17 27 57 37.1 286.9 4.0 78.4 -5 1838 No stop 23 17 00 --- 17 31 28 36.4 287.1 4.0 78.1 205 1892 23 13 31 23 17 00 J1333+2725 17 31 28 37.2 286.3 4.0 78.1 -5 1892 No stop 23 18 30 --- 17 32 58 36.9 286.4 4.0 78.0 85 1915 23 17 01 23 19 10 J1328+2752 17 33 38 35.9 287.3 4.1 77.9 35 1915 23 19 10 23 22 00 --- 17 36 29 35.3 287.4 4.1 77.7 170 1959 23 19 11 23 22 30 J1333+2725 17 36 59 36.0 286.7 4.0 77.7 25 1959 23 22 30 23 24 00 --- 17 38 29 35.7 286.7 4.1 77.6 90 1982 23 22 31 23 24 00 J1328+2752 17 38 29 34.8 287.5 4.1 77.5 -5 1982 No stop 23 27 30 --- 17 42 00 34.1 287.7 4.2 77.2 205 2036 23 24 01 23 27 30 J1333+2725 17 42 00 34.9 287.0 4.1 77.3 -5 2036 No stop 23 29 00 --- 17 43 30 34.6 287.0 4.2 77.2 85 2059 23 27 31 23 29 40 J1328+2752 17 44 10 33.6 287.9 4.2 77.1 35 2059 23 29 40 23 32 30 --- 17 47 00 33.0 288.0 4.3 76.8 170 2103 23 29 41 23 33 00 J1333+2725 17 47 31 33.7 287.3 4.2 76.8 25 2103 23 33 00 23 34 30 --- 17 49 01 33.4 287.4 4.2 76.7 90 2126 23 33 01 Schedule for KUNMING (Code Km ) 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 17 49 01 32.6 288.2 4.3 76.6 -5 2126 No stop 23 38 00 --- 17 52 31 31.8 288.4 4.4 76.4 205 2179 23 34 31 23 38 00 J1333+2725 17 52 31 32.6 287.6 4.3 76.4 -5 2179 No stop 23 39 30 --- 17 54 02 32.3 287.7 4.3 76.3 85 2203 23 38 01 23 40 10 J1328+2752 17 54 42 31.4 288.5 4.4 76.2 35 2203 23 40 10 23 43 00 --- 17 57 32 30.7 288.7 4.5 75.9 170 2246 23 40 11 23 43 30 J1333+2725 17 58 02 31.5 287.9 4.4 76.0 25 2246 23 43 30 23 45 00 --- 17 59 32 31.1 288.0 4.4 75.9 90 2269 23 43 31 23 45 00 J1328+2752 17 59 32 30.3 288.8 4.5 75.8 -5 2269 No stop 23 48 30 --- 18 03 03 29.6 289.0 4.6 75.5 205 2323 23 45 01 23 48 30 J1333+2725 18 03 03 30.4 288.3 4.5 75.6 -5 2323 No stop 23 50 00 --- 18 04 33 30.1 288.4 4.5 75.4 85 2346 23 48 31 23 50 40 J1328+2752 18 05 13 29.1 289.2 4.6 75.3 35 2346 23 50 40 23 53 30 --- 18 08 04 28.5 289.4 4.6 75.0 170 2390 23 50 41 23 54 00 J1333+2725 18 08 34 29.2 288.6 4.6 75.1 25 2390 23 54 00 23 55 30 --- 18 10 04 28.9 288.7 4.6 75.0 90 2413 23 54 01 23 55 30 J1327+2210 18 10 04 26.0 283.5 4.7 71.9 -9 2413 No stop 23 59 59 --- 18 14 35 25.1 283.9 4.8 71.7 260 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: 12 Station: KUNMING 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 5 1 5 2 6 2 6 3 7 3 7 4 8 4 8 BBC SB= L L U U L L U U L L U U L L U U IF = A B A B A B A B A B A B A B A B The following frequency sets based on these setups were used. Frequency Set: 13 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: 13 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