COVER INFORMATION Station: KUNMING (Code Km ) 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 KUNMING (Code Km ) 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: 630.49 630.49 630.49 630.49 694.49 694.49 694.49 694.49 758.49 758.49 758.49 758.49 822.49 822.49 822.49 822.49 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 12 15 35 58.9 -82.3 2.3 82.8 0 0 19 00 00 19 07 00 =0953+254 12 22 36 57.4 -81.9 2.4 82.3 420 108 19 00 01 19 13 05 J1007+1356 12 28 42 55.3 257.9 2.3 65.8 21 108 19 13 05 19 14 35 =1004+141 12 30 12 55.0 258.1 2.4 66.0 90 131 19 13 06 19 14 35 J1010+1413 12 30 12 55.7 258.1 2.3 66.1 -5 131 No stop 19 18 05 --- 12 33 43 54.9 258.7 2.4 66.4 205 185 19 14 36 19 18 50 J1007+1356 12 34 28 54.0 258.8 2.4 66.3 40 185 19 18 50 19 20 00 =1004+141 12 35 38 53.8 259.0 2.4 66.4 70 203 19 18 51 19 20 00 J1010+1413 12 35 38 54.5 259.0 2.4 66.5 -5 203 No stop 19 23 30 --- 12 39 08 53.7 259.6 2.5 66.8 205 256 19 20 01 19 23 30 J1007+1356 12 39 08 53.0 259.6 2.5 66.6 -5 256 No stop 19 25 00 =1004+141 12 40 39 52.6 259.8 2.5 66.7 85 279 19 23 31 19 25 00 J1010+1413 12 40 39 53.3 259.8 2.5 66.9 -5 279 No stop 19 28 30 --- 12 44 09 52.6 260.4 2.5 67.1 205 333 19 25 01 19 29 15 J1007+1356 12 44 54 51.7 260.5 2.6 67.0 40 333 19 29 15 19 30 25 =1004+141 12 46 05 51.4 260.7 2.6 67.1 70 351 19 29 16 19 30 25 J1010+1413 12 46 05 52.1 260.7 2.6 67.2 -5 351 No stop 19 33 55 --- 12 49 35 51.3 261.2 2.6 67.4 205 405 19 30 26 19 33 55 J1007+1356 12 49 35 50.6 261.2 2.7 67.3 -5 405 No stop 19 35 25 =1004+141 12 51 05 50.3 261.4 2.7 67.3 85 428 19 33 56 19 35 25 J1010+1413 12 51 05 51.0 261.4 2.7 67.5 -5 428 No stop 19 38 55 --- 12 54 36 50.2 261.9 2.7 67.7 205 482 19 35 26 19 39 40 J1007+1356 12 55 21 49.3 262.0 2.8 67.6 40 482 19 39 40 19 40 50 =1004+141 12 56 31 49.1 262.2 2.8 67.6 70 500 19 39 41 19 40 50 J1010+1413 12 56 31 49.8 262.2 2.8 67.8 -5 500 No stop 19 44 20 --- 13 00 02 49.0 262.7 2.8 67.9 205 554 19 40 51 Schedule for KUNMING (Code Km ) 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 44 20 J1007+1356 13 00 02 48.3 262.7 2.9 67.8 -5 554 No stop 19 45 50 =1004+141 13 01 32 48.0 262.9 2.9 67.8 85 577 19 44 21 19 45 50 J1010+1413 13 01 32 48.7 262.9 2.8 68.0 -5 577 No stop 19 49 20 --- 13 05 03 47.9 263.4 2.9 68.1 205 631 19 45 51 19 50 05 J1007+1356 13 05 48 47.0 263.5 3.0 68.0 40 631 19 50 05 19 51 15 =1004+141 13 06 58 46.7 263.6 3.0 68.0 70 649 19 50 06 19 51 15 J1010+1413 13 06 58 47.4 263.7 2.9 68.2 -5 649 No stop 19 54 45 --- 13 10 29 46.7 264.1 3.0 68.3 205 703 19 51 16 19 54 45 J1007+1356 13 10 29 45.9 264.1 3.0 68.2 -5 703 No stop 19 56 15 =1004+141 13 11 59 45.6 264.3 3.1 68.2 85 726 19 54 46 19 56 15 J1010+1413 13 11 59 46.3 264.3 3.0 68.4 -5 726 No stop 19 59 45 --- 13 15 29 45.5 264.8 3.1 68.5 205 779 19 56 16 20 00 30 J1007+1356 13 16 15 44.6 264.8 3.1 68.3 40 779 20 00 30 20 01 40 =1004+141 13 17 25 44.4 265.0 3.1 68.4 70 797 20 00 31 20 01 40 J1010+1413 13 17 25 45.1 265.0 3.1 68.6 -5 797 No stop 20 05 10 --- 13 20 55 44.3 265.4 3.2 68.6 205 851 20 01 41 20 05 10 J1007+1356 13 20 55 43.6 265.4 3.2 68.5 -5 851 No stop 20 06 40 =1004+141 13 22 26 43.3 265.6 3.2 68.5 85 874 20 05 11 20 06 40 J1010+1413 13 22 26 44.0 265.6 3.2 68.7 -5 874 No stop 20 10 10 --- 13 25 56 43.2 266.1 3.2 68.8 205 928 20 06 41 20 10 55 J1007+1356 13 26 41 42.3 266.1 3.3 68.6 40 928 20 10 55 20 12 05 =1004+141 13 27 51 42.0 266.3 3.3 68.6 70 946 20 10 56 20 12 05 J1010+1413 13 27 51 42.7 266.3 3.3 68.8 -5 946 No stop 20 15 35 --- 13 31 22 41.9 266.7 3.3 68.9 205 1000 20 12 06 20 15 35 J1007+1356 13 31 22 41.2 266.7 3.4 68.7 -5 1000 No stop 20 17 05 =1004+141 13 32 52 40.9 266.8 3.4 68.7 85 1023 20 15 36 20 17 05 J1010+1413 13 32 52 41.6 266.9 3.4 68.9 -5 1023 No stop 20 20 35 --- 13 36 23 40.8 267.3 3.4 69.0 205 1077 20 17 06 20 21 20 J1007+1356 13 37 08 39.9 267.3 3.5 68.8 40 1077 20 21 20 20 22 30 =1004+141 13 38 18 39.7 267.5 3.5 68.8 70 1095 20 21 21 Schedule for KUNMING (Code Km ) 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 22 30 J1010+1413 13 38 18 40.4 267.5 3.4 69.0 -5 1095 No stop 20 26 00 --- 13 41 49 39.6 267.9 3.5 69.0 205 1149 20 22 31 20 26 00 J1007+1356 13 41 49 38.9 267.9 3.6 68.8 -5 1149 No stop 20 27 30 =1004+141 13 43 19 38.5 268.0 3.6 68.9 85 1172 20 26 01 20 27 30 J1010+1413 13 43 19 39.2 268.1 3.5 69.0 -5 1172 No stop 20 31 00 --- 13 46 50 38.4 268.5 3.6 69.1 205 1226 20 27 31 20 31 45 J1007+1356 13 47 35 37.6 268.5 3.6 68.9 40 1226 20 31 45 20 32 55 =1004+141 13 48 45 37.3 268.6 3.7 68.9 70 1244 20 31 46 20 32 55 J1010+1413 13 48 45 38.0 268.7 3.6 69.1 -5 1244 No stop 20 36 25 --- 13 52 15 37.2 269.1 3.7 69.1 205 1297 20 32 56 20 36 25 J1007+1356 13 52 15 36.5 269.0 3.7 68.9 -5 1297 No stop 20 37 55 =1004+141 13 53 46 36.2 269.2 3.7 68.9 85 1321 20 36 26 20 37 55 J1010+1413 13 53 46 36.9 269.2 3.7 69.1 -5 1321 No stop 20 41 25 --- 13 57 16 36.1 269.6 3.8 69.1 205 1374 20 37 56 20 42 10 J1007+1356 13 58 01 35.2 269.6 3.8 68.9 40 1374 20 42 10 20 43 20 =1004+141 13 59 12 34.9 269.8 3.8 68.9 70 1392 20 42 11 20 43 20 J1010+1413 13 59 12 35.6 269.8 3.8 69.1 -5 1392 No stop 20 46 50 --- 14 02 42 34.8 270.2 3.9 69.1 205 1446 20 43 21 20 46 50 J1007+1356 14 02 42 34.1 270.1 3.9 68.9 -5 1446 No stop 20 48 20 =1004+141 14 04 12 33.8 270.3 3.9 68.9 85 1469 20 46 51 20 48 20 J1010+1413 14 04 12 34.5 270.3 3.9 69.1 -5 1469 No stop 20 51 50 --- 14 07 43 33.7 270.7 3.9 69.1 205 1523 20 48 21 20 51 50 J1007+1356 14 07 43 33.0 270.7 4.0 68.9 -5 1523 No stop 20 53 20 =1004+141 14 09 13 32.7 270.8 4.0 68.9 85 1546 20 51 51 20 54 00 J0956+2515 14 09 53 33.5 284.7 4.2 75.6 22 1546 20 54 00 21 00 00 =0953+254 14 15 54 32.2 285.1 4.3 75.1 360 1638 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 --- 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= 4200.00 4200.00 4200.00 4200.00 4200.00 4200.00 4200.00 4200.00 4200.00 4200.00 4200.00 4200.00 4200.00 4200.00 4200.00 4200.00 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: 14 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= 630.49 630.49 630.49 630.49 694.49 694.49 694.49 694.49 758.49 758.49 758.49 758.49 822.49 822.49 822.49 822.49 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: 14 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