COVER INFORMATION Station: HART (Code Hh ) 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 HART (Code Hh ) 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: 239.49 239.49 239.49 239.49 303.49 303.49 303.49 303.49 367.49 367.49 367.49 367.49 431.49 431.49 431.49 431.49 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 10 13 39 22.8 48.9 -3.2 0.0 0 0 21 00 00 21 05 30 --- 10 19 10 23.7 48.0 -3.1 0.0 330 85 21 00 01 21 05 30 J1333+2725 10 19 10 19.1 45.0 -3.2 0.0 -38 85 No stop 21 07 30 --- 10 21 10 19.4 44.6 -3.2 0.0 82 116 21 05 31 21 07 30 J1328+2752 10 21 10 19.7 43.6 -3.1 0.0 -28 116 No stop 21 11 00 --- 10 24 41 20.3 43.0 -3.1 0.0 182 170 21 07 31 21 11 00 J1333+2725 10 24 41 19.9 44.1 -3.2 0.0 -28 170 No stop 21 12 30 --- 10 26 11 20.2 43.8 -3.1 0.0 62 193 21 11 01 21 13 10 J1328+2752 10 26 51 20.6 42.6 -3.0 0.0 12 193 21 13 10 21 16 00 --- 10 29 41 21.1 42.1 -3.0 0.0 170 237 21 13 11 21 16 30 J1333+2725 10 30 12 20.8 43.1 -3.1 0.0 2 237 21 16 30 21 18 00 --- 10 31 42 21.0 42.9 -3.0 0.0 90 260 21 16 31 21 18 00 J1328+2752 10 31 42 21.4 41.8 -3.0 0.0 -28 260 No stop 21 21 30 --- 10 35 12 21.9 41.2 -2.9 0.0 182 314 21 18 01 21 21 30 J1333+2725 10 35 12 21.6 42.2 -3.0 0.0 -28 314 No stop 21 23 00 --- 10 36 43 21.8 42.0 -3.0 0.0 62 338 21 21 31 21 23 40 J1328+2752 10 37 23 22.2 40.8 -2.9 0.0 12 338 21 23 40 21 26 30 --- 10 40 13 22.6 40.3 -2.8 0.0 170 381 21 23 41 21 27 00 J1333+2725 10 40 43 22.4 41.3 -2.9 0.0 2 381 21 27 00 21 28 30 --- 10 42 14 22.6 41.0 -2.9 0.0 90 404 21 27 01 21 28 30 J1328+2752 10 42 14 22.9 39.9 -2.8 0.0 -28 404 No stop 21 32 00 --- 10 45 44 23.4 39.3 -2.7 0.0 182 459 21 28 31 21 32 00 J1333+2725 10 45 44 23.1 40.4 -2.8 0.0 -28 459 No stop 21 33 30 --- 10 47 14 23.3 40.1 -2.8 0.0 62 482 21 32 01 21 34 10 J1328+2752 10 47 54 23.7 38.9 -2.7 0.0 12 482 21 34 10 21 37 00 --- 10 50 45 24.1 38.3 -2.7 0.0 170 526 21 34 11 Schedule for HART (Code Hh ) 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 10 51 15 23.9 39.4 -2.7 0.0 2 526 21 37 30 21 39 00 --- 10 52 45 24.1 39.1 -2.7 0.0 90 549 21 37 31 21 39 00 J1328+2752 10 52 45 24.4 37.9 -2.6 0.0 -28 549 No stop 21 42 30 --- 10 56 16 24.9 37.3 -2.6 0.0 182 603 21 39 01 21 42 30 J1333+2725 10 56 16 24.6 38.4 -2.6 0.0 -28 603 No stop 21 44 00 --- 10 57 46 24.8 38.1 -2.6 0.0 62 626 21 42 31 21 44 40 J1328+2752 10 58 26 25.2 36.9 -2.5 0.0 12 626 21 44 40 21 47 30 --- 11 01 17 25.5 36.3 -2.5 0.0 170 670 21 44 41 21 48 00 J1333+2725 11 01 47 25.4 37.4 -2.5 0.0 2 670 21 48 00 21 49 30 --- 11 03 17 25.6 37.1 -2.5 0.0 90 693 21 48 01 21 49 30 J1328+2752 11 03 17 25.8 35.9 -2.4 0.0 -28 693 No stop 21 53 00 --- 11 06 48 26.3 35.2 -2.4 0.0 182 747 21 49 31 21 53 00 J1333+2725 11 06 48 26.1 36.4 -2.5 0.0 -28 747 No stop 21 54 30 --- 11 08 18 26.3 36.1 -2.4 0.0 62 770 21 53 01 21 55 10 J1328+2752 11 08 58 26.6 34.8 -2.3 0.0 12 770 21 55 10 21 58 00 --- 11 11 48 26.9 34.2 -2.3 0.0 170 814 21 55 11 21 58 30 J1333+2725 11 12 18 26.8 35.3 -2.4 0.0 2 814 21 58 30 22 00 00 --- 11 13 49 27.0 35.0 -2.3 0.0 90 837 21 58 31 22 00 00 J1328+2752 11 13 49 27.2 33.8 -2.3 0.0 -28 837 No stop 22 03 30 --- 11 17 19 27.6 33.1 -2.2 0.0 182 891 22 00 01 22 03 30 J1333+2725 11 17 19 27.4 34.2 -2.3 0.0 -28 891 No stop 22 05 00 --- 11 18 50 27.6 33.9 -2.3 0.0 62 915 22 03 31 22 05 40 J1328+2752 11 19 30 27.9 32.6 -2.2 0.0 12 915 22 05 40 22 08 30 --- 11 22 20 28.2 32.0 -2.1 0.0 170 958 22 05 41 22 09 00 J1333+2725 11 22 50 28.1 33.1 -2.2 0.0 2 958 22 09 00 22 10 30 --- 11 24 20 28.3 32.8 -2.2 0.0 90 982 22 09 01 22 10 30 J1328+2752 11 24 20 28.4 31.6 -2.1 0.0 -28 982 No stop 22 14 00 --- 11 27 51 28.9 30.8 -2.0 0.0 182 1036 22 10 31 22 14 00 J1333+2725 11 27 51 28.7 32.0 -2.1 0.0 -28 1036 No stop 22 15 30 --- 11 29 21 28.9 31.7 -2.1 0.0 62 1059 22 14 01 Schedule for HART (Code Hh ) 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 11 30 01 29.1 30.4 -2.0 0.0 12 1059 22 16 10 22 19 00 --- 11 32 52 29.4 29.7 -1.9 0.0 170 1103 22 16 11 22 19 30 J1333+2725 11 33 22 29.4 30.8 -2.0 0.0 2 1103 22 19 30 22 21 00 --- 11 34 52 29.6 30.5 -2.0 0.0 90 1126 22 19 31 22 21 00 J1328+2752 11 34 52 29.6 29.3 -1.9 0.0 -28 1126 No stop 22 24 30 --- 11 38 23 30.0 28.5 -1.9 0.0 182 1180 22 21 01 22 24 30 J1333+2725 11 38 23 29.9 29.7 -1.9 0.0 -28 1180 No stop 22 26 00 --- 11 39 53 30.1 29.4 -1.9 0.0 62 1203 22 24 31 22 26 40 J1328+2752 11 40 33 30.3 28.0 -1.8 0.0 12 1203 22 26 40 22 29 30 --- 11 43 24 30.6 27.4 -1.8 0.0 170 1247 22 26 41 22 30 00 J1333+2725 11 43 54 30.6 28.5 -1.8 0.0 2 1247 22 30 00 22 31 30 --- 11 45 24 30.7 28.2 -1.8 0.0 90 1270 22 30 01 22 31 30 J1328+2752 11 45 24 30.8 26.9 -1.7 0.0 -28 1270 No stop 22 35 00 --- 11 48 54 31.1 26.1 -1.7 0.0 182 1324 22 31 31 22 35 00 J1333+2725 11 48 54 31.1 27.4 -1.8 0.0 -28 1324 No stop 22 36 30 --- 11 50 25 31.2 27.0 -1.7 0.0 62 1347 22 35 01 22 37 10 J1328+2752 11 51 05 31.3 25.6 -1.6 0.0 12 1347 22 37 10 22 40 00 --- 11 53 55 31.6 25.0 -1.6 0.0 170 1391 22 37 11 22 40 30 J1333+2725 11 54 25 31.6 26.1 -1.7 0.0 2 1391 22 40 30 22 42 00 --- 11 55 56 31.8 25.7 -1.6 0.0 90 1414 22 40 31 22 42 00 J1328+2752 11 55 56 31.8 24.5 -1.6 0.0 -28 1414 No stop 22 45 30 --- 11 59 26 32.1 23.7 -1.5 0.0 182 1469 22 42 01 22 45 30 J1333+2725 11 59 26 32.1 24.9 -1.6 0.0 -28 1469 No stop 22 47 00 --- 12 00 56 32.3 24.6 -1.6 0.0 62 1492 22 45 31 22 47 40 J1328+2752 12 01 37 32.3 23.1 -1.5 0.0 12 1492 22 47 40 22 50 30 --- 12 04 27 32.6 22.5 -1.4 0.0 170 1536 22 47 41 22 51 00 J1333+2725 12 04 57 32.6 23.6 -1.5 0.0 2 1536 22 51 00 22 52 30 --- 12 06 27 32.8 23.2 -1.5 0.0 90 1559 22 51 01 22 52 30 J1328+2752 12 06 27 32.7 22.0 -1.4 0.0 -28 1559 No stop 22 56 00 --- 12 09 58 33.0 21.1 -1.3 0.0 182 1613 22 52 31 Schedule for HART (Code Hh ) 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 12 09 58 33.1 22.4 -1.4 0.0 -28 1613 No stop 22 57 30 --- 12 11 28 33.2 22.0 -1.4 0.0 62 1636 22 56 01 22 58 10 J1328+2752 12 12 08 33.2 20.6 -1.3 0.0 12 1636 22 58 10 23 01 00 --- 12 14 59 33.4 19.9 -1.2 0.0 170 1680 22 58 11 23 01 30 J1333+2725 12 15 29 33.5 21.0 -1.3 0.0 2 1680 23 01 30 23 03 00 --- 12 16 59 33.7 20.6 -1.3 0.0 90 1703 23 01 31 23 03 00 J1328+2752 12 16 59 33.6 19.4 -1.2 0.0 -28 1703 No stop 23 06 30 --- 12 20 30 33.8 18.5 -1.2 0.0 182 1757 23 03 01 23 06 30 J1333+2725 12 20 30 33.9 19.8 -1.2 0.0 -28 1757 No stop 23 08 00 --- 12 22 00 34.0 19.4 -1.2 0.0 62 1780 23 06 31 23 08 40 J1328+2752 12 22 40 34.0 17.9 -1.1 0.0 12 1780 23 08 40 23 11 30 --- 12 25 30 34.2 17.2 -1.1 0.0 170 1824 23 08 41 23 12 00 J1333+2725 12 26 01 34.3 18.4 -1.1 0.0 2 1824 23 12 00 23 13 30 --- 12 27 31 34.4 18.0 -1.1 0.0 90 1847 23 12 01 23 13 30 J1328+2752 12 27 31 34.3 16.7 -1.0 0.0 -28 1847 No stop 23 17 00 --- 12 31 01 34.5 15.8 -1.0 0.0 182 1901 23 13 31 23 17 00 J1333+2725 12 31 01 34.7 17.1 -1.1 0.0 -28 1901 No stop 23 18 30 --- 12 32 32 34.8 16.7 -1.0 0.0 62 1925 23 17 01 23 19 10 J1328+2752 12 33 12 34.6 15.2 -0.9 0.0 12 1925 23 19 10 23 22 00 --- 12 36 02 34.8 14.5 -0.9 0.0 170 1968 23 19 11 23 22 30 J1333+2725 12 36 32 35.0 15.6 -1.0 0.0 2 1968 23 22 30 23 24 00 --- 12 38 03 35.1 15.3 -0.9 0.0 90 1992 23 22 31 23 24 00 J1328+2752 12 38 03 34.9 14.0 -0.9 0.0 -28 1992 No stop 23 27 30 --- 12 41 33 35.1 13.1 -0.8 0.0 182 2046 23 24 01 23 27 30 J1333+2725 12 41 33 35.3 14.3 -0.9 0.0 -28 2046 No stop 23 29 00 --- 12 43 03 35.4 13.9 -0.9 0.0 62 2069 23 27 31 23 29 40 J1328+2752 12 43 43 35.2 12.5 -0.8 0.0 12 2069 23 29 40 23 32 30 --- 12 46 34 35.3 11.7 -0.7 0.0 170 2113 23 29 41 23 33 00 J1333+2725 12 47 04 35.6 12.9 -0.8 0.0 2 2113 23 33 00 23 34 30 --- 12 48 34 35.7 12.5 -0.8 0.0 90 2136 23 33 01 Schedule for HART (Code Hh ) 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 12 48 34 35.4 11.2 -0.7 0.0 -28 2136 No stop 23 38 00 --- 12 52 05 35.6 10.3 -0.6 0.0 182 2190 23 34 31 23 38 00 J1333+2725 12 52 05 35.8 11.5 -0.7 0.0 -28 2190 No stop 23 39 30 --- 12 53 35 35.9 11.1 -0.7 0.0 62 2213 23 38 01 23 40 10 J1328+2752 12 54 15 35.7 9.7 -0.6 0.0 12 2213 23 40 10 23 43 00 --- 12 57 06 35.8 8.9 -0.5 0.0 170 2257 23 40 11 23 43 30 J1333+2725 12 57 36 36.1 10.0 -0.6 0.0 2 2257 23 43 30 23 45 00 --- 12 59 06 36.1 9.6 -0.6 0.0 90 2280 23 43 31 23 45 00 J1328+2752 12 59 06 35.8 8.4 -0.5 0.0 -28 2280 No stop 23 48 30 --- 13 02 37 35.9 7.4 -0.5 0.0 182 2334 23 45 01 23 48 30 J1333+2725 13 02 37 36.3 8.7 -0.5 0.0 -28 2334 No stop 23 50 00 --- 13 04 07 36.3 8.3 -0.5 0.0 62 2357 23 48 31 23 50 40 J1328+2752 13 04 47 36.0 6.8 -0.4 0.0 12 2357 23 50 40 23 53 30 --- 13 07 37 36.1 6.1 -0.4 0.0 170 2401 23 50 41 23 54 00 J1333+2725 13 08 07 36.4 7.2 -0.4 0.0 2 2401 23 54 00 23 55 30 --- 13 09 38 36.5 6.8 -0.4 0.0 90 2424 23 54 01 23 55 30 J1327+2210 13 09 38 41.8 5.7 -0.3 0.0 -38 2424 No stop 23 59 59 --- 13 14 08 41.9 4.3 -0.2 0.0 231 2494 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 Matching groups in /home/guest/rmc/SCHED/sched11.6/catalogs/freq_RDBE.dat: hhsx Values confirmed by E-mail Jonathan Quick 20140219 (CR) ****** Only 256.00 of 512.00 MHz total bandwidth is within the IFs in the setup file before any FREQ or DOPPLER shifts. Setup group: 6 Station: HART Total bit rate: 2048 Format: VDIF 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= 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 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 C1 A1 C1 A1 C1 A1 C1 A1 C1 A1 C1 A1 C1 A1 C1 The following frequency sets based on these setups were used. Frequency Set: 8 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= 239.49 239.49 239.49 239.49 303.49 303.49 303.49 303.49 367.49 367.49 367.49 367.49 431.49 431.49 431.49 431.49 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: 8 Track assignments are: track1= 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 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