COVER INFORMATION Station: SVETLOE (Code Sv ) 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 SVETLOE (Code Sv ) 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: 330.49 330.49 330.49 330.49 394.49 394.49 394.49 394.49 458.49 458.49 458.49 458.49 522.49 522.49 522.49 522.49 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 23 31 45.9 485.7 -2.6 -26.2 0 0 19 00 00 19 07 00 =0953+254 07 30 32 46.6 487.8 -2.5 -25.4 420 108 19 00 01 19 08 25 J1007+1356 07 31 58 35.3 491.2 -2.6 -22.4 47 108 19 08 25 19 09 35 =1004+141 07 33 08 35.4 491.5 -2.6 -22.3 70 126 19 08 26 19 09 35 J1010+1413 07 33 08 35.5 490.7 -2.6 -22.6 -13 126 No stop 19 13 05 --- 07 36 38 35.8 491.6 -2.6 -22.3 197 179 19 09 36 19 13 05 J1007+1356 07 36 38 35.8 492.5 -2.5 -21.9 -14 179 No stop 19 14 35 =1004+141 07 38 09 35.9 492.9 -2.5 -21.8 76 203 19 13 06 19 14 35 J1010+1413 07 38 09 35.9 492.0 -2.6 -22.1 -13 203 No stop 19 18 05 --- 07 41 39 36.2 493.0 -2.5 -21.8 197 256 19 14 36 19 18 50 J1007+1356 07 42 24 36.3 494.1 -2.4 -21.3 31 256 19 18 50 19 20 00 =1004+141 07 43 35 36.4 494.4 -2.4 -21.2 70 274 19 18 51 19 20 00 J1010+1413 07 43 35 36.4 493.6 -2.5 -21.6 -13 274 No stop 19 23 30 --- 07 47 05 36.7 494.5 -2.4 -21.2 197 328 19 20 01 19 23 30 J1007+1356 07 47 05 36.7 495.4 -2.4 -20.8 -14 328 No stop 19 25 00 =1004+141 07 48 35 36.8 495.8 -2.3 -20.7 76 351 19 23 31 19 25 00 J1010+1413 07 48 35 36.8 495.0 -2.4 -21.0 -13 351 No stop 19 28 30 --- 07 52 06 37.1 496.0 -2.3 -20.6 197 405 19 25 01 19 29 15 J1007+1356 07 52 51 37.2 497.1 -2.3 -20.2 31 405 19 29 15 19 30 25 =1004+141 07 54 01 37.3 497.4 -2.2 -20.1 70 423 19 29 16 19 30 25 J1010+1413 07 54 01 37.3 496.5 -2.3 -20.4 -13 423 No stop 19 33 55 --- 07 57 32 37.6 497.5 -2.2 -20.0 197 477 19 30 26 19 33 55 J1007+1356 07 57 32 37.6 498.4 -2.2 -19.7 -14 477 No stop 19 35 25 =1004+141 07 59 02 37.7 498.8 -2.2 -19.5 76 500 19 33 56 19 35 25 J1010+1413 07 59 02 37.7 497.9 -2.2 -19.9 -13 500 No stop 19 38 55 --- 08 02 33 38.0 499.0 -2.1 -19.5 197 554 19 35 26 Schedule for SVETLOE (Code Sv ) 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 08 03 18 38.0 500.1 -2.1 -19.0 31 554 19 39 40 19 40 50 =1004+141 08 04 28 38.1 500.4 -2.1 -18.8 70 572 19 39 41 19 40 50 J1010+1413 08 04 28 38.2 499.5 -2.1 -19.2 -13 572 No stop 19 44 20 --- 08 07 59 38.4 500.5 -2.1 -18.8 197 626 19 40 51 19 44 20 J1007+1356 08 07 59 38.4 501.4 -2.0 -18.4 -14 626 No stop 19 45 50 =1004+141 08 09 29 38.5 501.9 -2.0 -18.2 76 649 19 44 21 19 45 50 J1010+1413 08 09 29 38.6 501.0 -2.0 -18.6 -13 649 No stop 19 49 20 --- 08 12 59 38.8 502.0 -2.0 -18.2 197 703 19 45 51 19 50 05 J1007+1356 08 13 45 38.8 503.2 -1.9 -17.7 31 703 19 50 05 19 51 15 =1004+141 08 14 55 38.9 503.5 -1.9 -17.5 70 721 19 50 06 19 51 15 J1010+1413 08 14 55 39.0 502.6 -1.9 -17.9 -13 721 No stop 19 54 45 --- 08 18 25 39.2 503.6 -1.9 -17.5 197 774 19 51 16 19 54 45 J1007+1356 08 18 25 39.2 504.5 -1.8 -17.1 -14 774 No stop 19 56 15 =1004+141 08 19 56 39.3 505.0 -1.8 -16.9 76 797 19 54 46 19 56 15 J1010+1413 08 19 56 39.3 504.1 -1.9 -17.3 -13 797 No stop 19 59 45 --- 08 23 26 39.6 505.1 -1.8 -16.9 197 851 19 56 16 20 00 30 J1007+1356 08 24 11 39.6 506.3 -1.7 -16.3 31 851 20 00 30 20 01 40 =1004+141 08 25 21 39.7 506.6 -1.7 -16.2 70 869 20 00 31 20 01 40 J1010+1413 08 25 21 39.7 505.7 -1.8 -16.6 -13 869 No stop 20 05 10 --- 08 28 52 40.0 506.8 -1.7 -16.1 197 923 20 01 41 20 05 10 J1007+1356 08 28 52 39.9 507.7 -1.7 -15.7 -14 923 No stop 20 06 40 =1004+141 08 30 22 40.0 508.2 -1.6 -15.5 76 946 20 05 11 20 06 40 J1010+1413 08 30 22 40.1 507.2 -1.7 -15.9 -13 946 No stop 20 10 10 --- 08 33 53 40.3 508.3 -1.6 -15.5 197 1000 20 06 41 20 10 55 J1007+1356 08 34 38 40.3 509.5 -1.6 -14.9 31 1000 20 10 55 20 12 05 =1004+141 08 35 48 40.3 509.8 -1.5 -14.8 70 1018 20 10 56 20 12 05 J1010+1413 08 35 48 40.4 508.9 -1.6 -15.2 -13 1018 No stop 20 15 35 --- 08 39 19 40.6 510.0 -1.5 -14.7 197 1072 20 12 06 20 15 35 J1007+1356 08 39 19 40.5 510.9 -1.5 -14.3 -14 1072 No stop 20 17 05 =1004+141 08 40 49 40.6 511.4 -1.5 -14.0 76 1095 20 15 36 Schedule for SVETLOE (Code Sv ) 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 40 49 40.7 510.5 -1.5 -14.5 -13 1095 No stop 20 20 35 --- 08 44 20 40.9 511.5 -1.5 -14.0 197 1149 20 17 06 20 21 20 J1007+1356 08 45 05 40.9 512.7 -1.4 -13.4 31 1149 20 21 20 20 22 30 =1004+141 08 46 15 40.9 513.1 -1.4 -13.3 70 1167 20 21 21 20 22 30 J1010+1413 08 46 15 41.1 512.1 -1.4 -13.7 -13 1167 No stop 20 26 00 --- 08 49 45 41.3 513.2 -1.4 -13.2 197 1221 20 22 31 20 26 00 J1007+1356 08 49 45 41.1 514.2 -1.3 -12.8 -14 1221 No stop 20 27 30 =1004+141 08 51 16 41.2 514.6 -1.3 -12.5 76 1244 20 26 01 20 27 30 J1010+1413 08 51 16 41.3 513.7 -1.3 -13.0 -13 1244 No stop 20 31 00 --- 08 54 46 41.5 514.8 -1.3 -12.5 197 1297 20 27 31 20 31 45 J1007+1356 08 55 31 41.4 516.0 -1.2 -11.9 31 1297 20 31 45 20 32 55 =1004+141 08 56 42 41.5 516.4 -1.2 -11.7 70 1315 20 31 46 20 32 55 J1010+1413 08 56 42 41.6 515.4 -1.2 -12.2 -13 1315 No stop 20 36 25 --- 09 00 12 41.8 516.5 -1.2 -11.6 197 1369 20 32 56 20 36 25 J1007+1356 09 00 12 41.7 517.5 -1.1 -11.2 -14 1369 No stop 20 37 55 =1004+141 09 01 42 41.7 518.0 -1.1 -11.0 76 1392 20 36 26 20 37 55 J1010+1413 09 01 42 41.9 517.0 -1.2 -11.4 -13 1392 No stop 20 41 25 --- 09 05 13 42.0 518.1 -1.1 -10.9 197 1446 20 37 56 20 42 10 J1007+1356 09 05 58 41.9 519.3 -1.0 -10.3 31 1446 20 42 10 20 43 20 =1004+141 09 07 08 42.0 519.7 -1.0 -10.1 70 1464 20 42 11 20 43 20 J1010+1413 09 07 08 42.1 518.8 -1.1 -10.6 -13 1464 No stop 20 46 50 --- 09 10 39 42.3 519.9 -1.0 -10.0 197 1518 20 43 21 20 46 50 J1007+1356 09 10 39 42.1 520.8 -1.0 -9.6 -14 1518 No stop 20 48 20 =1004+141 09 12 09 42.2 521.3 -0.9 -9.3 76 1541 20 46 51 20 48 20 J1010+1413 09 12 09 42.3 520.4 -1.0 -9.8 -13 1541 No stop 20 51 50 --- 09 15 40 42.5 521.5 -0.9 -9.3 197 1595 20 48 21 20 51 50 J1007+1356 09 15 40 42.3 522.4 -0.9 -8.8 -14 1595 No stop 20 53 20 =1004+141 09 17 10 42.4 522.9 -0.9 -8.6 76 1618 20 51 51 20 54 00 J0956+2515 09 17 50 54.0 524.5 -0.7 -8.4 2 1618 20 54 00 21 00 00 =0953+254 09 23 51 54.1 526.7 -0.6 -7.2 360 1710 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: kvzr_c Added by Des Small, 24 February 2012 Setup group: 1 Station: SVETLOE Total bit rate: 2048 Format: MARK5B Bits per sample: 2 Sample rate: 64.000 Number of channels: 16 DBE type: Speedup factor: 1.00 Disk used to record data. 1st LO= 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 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 = 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: 10 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= 330.49 330.49 330.49 330.49 394.49 394.49 394.49 394.49 458.49 458.49 458.49 458.49 522.49 522.49 522.49 522.49 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: 10 11 12 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) * 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