COVER INFORMATION Station: HART (Code Hh ) Experiment: A dual AGN candidate with 0.13 arcsec separation Exp. Code: EG109A Schedule Version: 2.00 Processed by SCHED version: 11.50 Development version 11.5. Started Apr. 2 PI: Krisztina Gabanyi Address: MTA-ELTE Extragalactic Astrophysics Research Group ELTE TTK, Pazmany Peter setany 1/a H-1117 Budapest Hungary Phone: +36 1 3919322 EMAIL: krisztina.g@gmail.com Fax: Phone during observation: Observing mode: 6 cm 2 Gb/s Notes: Schedule for HART (Code Hh ) Page 2 A dual AGN candidate with 0.13 arcsec separation 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 ---------------------------------------------------------------------------------------- --- Wed 26 Feb 2020 Day 57 --- Next scan frequencies: 4830.49 4830.49 4830.49 4830.49 4894.49 4894.49 4894.49 4894.49 4958.49 4958.49 4958.49 4958.49 5022.49 5022.49 5022.49 5022.49 Next BBC frequencies: 230.49 230.49 230.49 230.49 294.49 294.49 294.49 294.49 358.49 358.49 358.49 358.49 422.49 422.49 422.49 422.49 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 19 00 00 J0956+2515 07 15 08 25.6 40.9 -2.7 0.0 0 0 19 00 00 19 07 00 =0953+254 07 22 09 26.6 39.5 -2.6 0.0 420 108 19 00 01 19 08 25 J1007+1356 07 23 34 33.5 50.2 -2.8 0.0 35 108 19 08 25 19 09 35 =1004+141 07 24 45 33.7 50.0 -2.7 0.0 70 126 19 08 26 19 09 35 J1010+1413 07 24 45 33.0 50.3 -2.8 0.0 -26 126 No stop 19 13 05 --- 07 28 15 33.6 49.6 -2.7 0.0 184 180 19 09 36 19 13 05 J1007+1356 07 28 15 34.3 49.2 -2.7 0.0 -26 180 No stop 19 14 35 =1004+141 07 29 46 34.5 48.9 -2.7 0.0 64 204 19 13 06 19 14 35 J1010+1413 07 29 46 33.9 49.3 -2.7 0.0 -26 204 No stop 19 18 05 --- 07 33 16 34.5 48.5 -2.6 0.0 184 258 19 14 36 19 18 50 J1007+1356 07 34 01 35.3 48.0 -2.6 0.0 19 258 19 18 50 19 20 00 =1004+141 07 35 11 35.5 47.8 -2.6 0.0 70 276 19 18 51 19 20 00 J1010+1413 07 35 11 34.8 48.1 -2.6 0.0 -26 276 No stop 19 23 30 --- 07 38 42 35.4 47.4 -2.5 0.0 184 330 19 20 01 19 23 30 J1007+1356 07 38 42 36.0 47.0 -2.5 0.0 -26 330 No stop 19 25 00 =1004+141 07 40 12 36.3 46.7 -2.5 0.0 64 353 19 23 31 19 25 00 J1010+1413 07 40 12 35.6 47.0 -2.5 0.0 -26 353 No stop 19 28 30 --- 07 43 43 36.2 46.3 -2.5 0.0 184 407 19 25 01 19 29 15 J1007+1356 07 44 28 37.0 45.7 -2.4 0.0 19 407 19 29 15 19 30 25 =1004+141 07 45 38 37.2 45.4 -2.4 0.0 70 425 19 29 16 19 30 25 J1010+1413 07 45 38 36.5 45.8 -2.4 0.0 -26 425 No stop 19 33 55 --- 07 49 09 37.1 45.0 -2.4 0.0 184 479 19 30 26 19 33 55 J1007+1356 07 49 09 37.7 44.6 -2.3 0.0 -26 479 No stop 19 35 25 =1004+141 07 50 39 38.0 44.3 -2.3 0.0 64 502 19 33 56 19 35 25 J1010+1413 07 50 39 37.3 44.7 -2.3 0.0 -26 502 No stop 19 38 55 --- 07 54 09 37.9 43.9 -2.3 0.0 184 556 19 35 26 Schedule for HART (Code Hh ) Page 3 A dual AGN candidate with 0.13 arcsec separation 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 ---------------------------------------------------------------------------------------- --- Wed 26 Feb 2020 Day 57 --- 19 39 40 J1007+1356 07 54 55 38.6 43.3 -2.2 0.0 19 556 19 39 40 19 40 50 =1004+141 07 56 05 38.8 43.0 -2.2 0.0 70 575 19 39 41 19 40 50 J1010+1413 07 56 05 38.2 43.4 -2.3 0.0 -26 575 No stop 19 44 20 --- 07 59 35 38.7 42.6 -2.2 0.0 184 629 19 40 51 19 44 20 J1007+1356 07 59 35 39.3 42.1 -2.2 0.0 -26 629 No stop 19 45 50 =1004+141 08 01 06 39.6 41.8 -2.1 0.0 64 652 19 44 21 19 45 50 J1010+1413 08 01 06 38.9 42.2 -2.2 0.0 -26 652 No stop 19 49 20 --- 08 04 36 39.5 41.3 -2.1 0.0 184 706 19 45 51 19 50 05 J1007+1356 08 05 21 40.2 40.7 -2.1 0.0 19 706 19 50 05 19 51 15 =1004+141 08 06 32 40.4 40.4 -2.0 0.0 70 724 19 50 06 19 51 15 J1010+1413 08 06 32 39.8 40.9 -2.1 0.0 -26 724 No stop 19 54 45 --- 08 10 02 40.3 40.0 -2.0 0.0 184 778 19 51 16 19 54 45 J1007+1356 08 10 02 40.9 39.5 -2.0 0.0 -26 778 No stop 19 56 15 =1004+141 08 11 32 41.1 39.1 -2.0 0.0 64 801 19 54 46 19 56 15 J1010+1413 08 11 32 40.5 39.6 -2.0 0.0 -26 801 No stop 19 59 45 --- 08 15 03 41.0 38.7 -1.9 0.0 184 855 19 56 16 20 00 30 J1007+1356 08 15 48 41.7 38.0 -1.9 0.0 19 855 20 00 30 20 01 40 =1004+141 08 16 58 41.8 37.7 -1.9 0.0 70 873 20 00 31 20 01 40 J1010+1413 08 16 58 41.2 38.2 -1.9 0.0 -26 873 No stop 20 05 10 --- 08 20 29 41.7 37.2 -1.8 0.0 184 927 20 01 41 20 05 10 J1007+1356 08 20 29 42.3 36.7 -1.8 0.0 -26 927 No stop 20 06 40 =1004+141 08 21 59 42.5 36.3 -1.8 0.0 64 951 20 05 11 20 06 40 J1010+1413 08 21 59 41.9 36.8 -1.8 0.0 -26 951 No stop 20 10 10 --- 08 25 30 42.4 35.9 -1.8 0.0 184 1005 20 06 41 20 10 55 J1007+1356 08 26 15 43.1 35.1 -1.7 0.0 19 1005 20 10 55 20 12 05 =1004+141 08 27 25 43.2 34.8 -1.7 0.0 70 1023 20 10 56 20 12 05 J1010+1413 08 27 25 42.7 35.3 -1.7 0.0 -26 1023 No stop 20 15 35 --- 08 30 56 43.1 34.3 -1.7 0.0 184 1077 20 12 06 20 15 35 J1007+1356 08 30 56 43.7 33.8 -1.6 0.0 -26 1077 No stop 20 17 05 =1004+141 08 32 26 43.9 33.3 -1.6 0.0 64 1100 20 15 36 Schedule for HART (Code Hh ) Page 4 A dual AGN candidate with 0.13 arcsec separation 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 ---------------------------------------------------------------------------------------- --- Wed 26 Feb 2020 Day 57 --- 20 17 05 J1010+1413 08 32 26 43.3 33.9 -1.7 0.0 -26 1100 No stop 20 20 35 --- 08 35 56 43.7 32.9 -1.6 0.0 184 1154 20 17 06 20 21 20 J1007+1356 08 36 41 44.4 32.1 -1.5 0.0 19 1154 20 21 20 20 22 30 =1004+141 08 37 52 44.5 31.7 -1.5 0.0 70 1172 20 21 21 20 22 30 J1010+1413 08 37 52 44.0 32.4 -1.6 0.0 -26 1172 No stop 20 26 00 --- 08 41 22 44.4 31.3 -1.5 0.0 184 1226 20 22 31 20 26 00 J1007+1356 08 41 22 44.9 30.7 -1.5 0.0 -26 1226 No stop 20 27 30 =1004+141 08 42 52 45.1 30.2 -1.4 0.0 64 1250 20 26 01 20 27 30 J1010+1413 08 42 52 44.6 30.9 -1.5 0.0 -26 1250 No stop 20 31 00 --- 08 46 23 45.0 29.8 -1.4 0.0 184 1304 20 27 31 20 31 45 J1007+1356 08 47 08 45.6 28.9 -1.4 0.0 19 1304 20 31 45 20 32 55 =1004+141 08 48 18 45.7 28.6 -1.3 0.0 70 1322 20 31 46 20 32 55 J1010+1413 08 48 18 45.2 29.2 -1.4 0.0 -26 1322 No stop 20 36 25 --- 08 51 49 45.5 28.1 -1.3 0.0 184 1376 20 32 56 20 36 25 J1007+1356 08 51 49 46.1 27.5 -1.3 0.0 -26 1376 No stop 20 37 55 =1004+141 08 53 19 46.2 27.0 -1.3 0.0 64 1399 20 36 26 20 37 55 J1010+1413 08 53 19 45.7 27.7 -1.3 0.0 -26 1399 No stop 20 41 25 --- 08 56 50 46.1 26.6 -1.2 0.0 184 1453 20 37 56 20 42 10 J1007+1356 08 57 35 46.7 25.6 -1.2 0.0 19 1453 20 42 10 20 43 20 =1004+141 08 58 45 46.8 25.2 -1.2 0.0 70 1471 20 42 11 20 43 20 J1010+1413 08 58 45 46.3 26.0 -1.2 0.0 -26 1471 No stop 20 46 50 --- 09 02 16 46.6 24.8 -1.2 0.0 184 1525 20 43 21 20 46 50 J1007+1356 09 02 16 47.1 24.1 -1.1 0.0 -26 1525 No stop 20 48 20 =1004+141 09 03 46 47.2 23.6 -1.1 0.0 64 1548 20 46 51 20 48 20 J1010+1413 09 03 46 46.7 24.3 -1.1 0.0 -26 1548 No stop 20 51 50 --- 09 07 16 47.1 23.2 -1.1 0.0 184 1603 20 48 21 20 51 50 J1007+1356 09 07 16 47.5 22.4 -1.0 0.0 -26 1603 No stop 20 53 20 =1004+141 09 08 47 47.7 21.9 -1.0 0.0 64 1626 20 51 51 20 54 00 J0956+2515 09 09 27 37.6 13.9 -0.8 0.0 -10 1626 20 54 00 21 00 00 =0953+254 09 15 28 37.9 12.2 -0.7 0.0 350 1718 20 54 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess120.C2048 Matching groups in /home/guest/rmc/SCHED/sched11.5/catalogs/freq.dat: hh6cm 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: 7 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= 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 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: 9 Setup file default. Used with PCAL = off LO sum= 4830.49 4830.49 4830.49 4830.49 4894.49 4894.49 4894.49 4894.49 4958.49 4958.49 4958.49 4958.49 5022.49 5022.49 5022.49 5022.49 BBC fr= 230.49 230.49 230.49 230.49 294.49 294.49 294.49 294.49 358.49 358.49 358.49 358.49 422.49 422.49 422.49 422.49 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: 9 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) * J1010+1413 10 07 41.257077 * 10 10 22.957500 10 11 28.322132 0.00 14 27 47.72580 * 14 13 00.87500 14 07 00.31895 0.00 From catalog imbedded in main SCHED input file. 0953+254 09 53 59.738485 * 09 56 49.875379 09 57 58.619738 0.11 * J0956+2515 25 29 33.58574 * 25 15 16.04984 25 09 27.93847 0.10 /home/guest/rmc/SCHED/sched11.5/catalogs/rfc_2018a_cat.key rfc_2018a Petrov and Kovalev, in preparation 29729 observations 1004+141 10 04 59.783934 * 10 07 41.498088 10 08 46.866828 0.10 * J1007+1356 14 11 10.91501 * 13 56 29.60078 13 50 31.24655 0.10 /home/guest/rmc/SCHED/sched11.5/catalogs/rfc_2018a_cat.key rfc_2018a Petrov and Kovalev, in preparation 4729 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 J1010+1413 sess120.C2048 1 2 3 4 5 6 7 8 9 10 14 15 1.167 182.230 J0956+2515 sess120.C2048 1 2 3 4 5 6 7 8 9 10 14 15 0.217 36.393 J1007+1356 sess120.C2048 1 2 3 4 5 6 7 8 9 10 14 15 0.469 70.622 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) J1010+1413 171.6 J0956+2515 161.0 J1007+1356 171.3 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