COVER INFORMATION Station: TIANMA65 (Code T6 ) Experiment: Exploring the jet in a z > 6 blazar DES J0322-18 Exp. Code: EL064A Schedule Version: 4.00 Processed by SCHED version: 11.60 Release 11.6; April 2020 PI: Tao An Address: Shanghai Astronomical Observatory 80th Nandan Road, Xuhui District Shanghai 200030 China Phone: +86-13261603255 EMAIL: antao@shao.ac.cn Fax: Phone during observation: Observing mode: vlbi Notes: # Please, make sure PHASE CAL is OFF # 5 GHz, dual polarisation, 2048 Mbps VLBI, 6 hours at GST: J0322-18 Drafted by Yuanqi Liu Schedule for TIANMA65 (Code T6 ) Page 2 Exploring the jet in a z > 6 blazar DES J0322-18 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 ---------------------------------------------------------------------------------------- --- Sun 23 Oct 2022 Day 296 --- 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 21 05 30 P0327-1803 07 19 06 16.1 236.7 3.8 48.8 0 0 21 05 30 21 09 00 --- 07 22 36 15.5 237.3 3.9 49.2 210 54 21 05 31 21 09 00 J0322-18 07 22 36 14.1 237.6 4.0 49.7 -8 54 No stop 21 13 00 --- 07 26 37 13.3 238.3 4.1 50.2 232 116 21 09 01 21 13 00 P0327-1803 07 26 37 14.7 237.9 4.0 49.7 -8 116 No stop 21 14 30 --- 07 28 07 14.5 238.1 4.0 49.9 82 139 21 13 01 21 14 30 J0322-18 07 28 07 13.1 238.5 4.1 50.4 -8 139 No stop 21 18 30 --- 07 32 08 12.3 239.1 4.1 50.8 232 201 21 14 31 21 19 00 P0327-1803 07 32 38 13.6 238.8 4.1 50.4 22 201 21 19 00 21 20 00 --- 07 33 38 13.5 239.0 4.1 50.5 60 216 21 19 01 21 20 00 J0322-18 07 33 38 12.1 239.3 4.2 51.0 -8 216 No stop 21 24 00 --- 07 37 39 11.3 240.0 4.2 51.5 232 278 21 20 01 21 24 00 P0327-1803 07 37 39 12.7 239.6 4.1 51.0 -8 278 No stop 21 25 30 --- 07 39 09 12.4 239.9 4.2 51.1 82 301 21 24 01 21 25 30 J0322-18 07 39 09 11.0 240.2 4.3 51.6 -8 301 No stop 21 29 30 --- 07 43 10 10.3 240.8 4.3 52.1 232 363 21 25 31 21 30 00 P0327-1803 07 43 40 11.6 240.5 4.2 51.6 22 363 21 30 00 21 31 00 --- 07 44 40 11.4 240.7 4.3 51.7 60 379 21 30 01 21 31 00 J0322-18 07 44 40 10.0 241.0 4.4 52.2 -8 379 No stop 21 35 00 --- 07 48 40 9.3 241.6 4.4 52.6 232 441 21 31 01 21 35 00 P0327-1803 07 48 40 10.7 241.3 4.3 52.1 -8 441 No stop 21 36 30 --- 07 50 11 10.4 241.5 4.4 52.3 82 464 21 35 01 21 41 00 P0327-1803 07 54 41 9.5 242.2 4.4 52.8 268 464 21 41 00 21 42 00 --- 07 55 42 9.3 242.3 4.4 52.9 60 479 21 41 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess322.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: TIANMA65 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= 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 = A4 B3 A4 B3 A4 B3 A4 B3 A4 B3 A4 B3 A4 B3 A4 B3 The following frequency sets based on these setups were used. Frequency Set: 17 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: 17 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) * J0322-18 03 19 58.268882 * 03 22 14.549000 03 23 17.416416 0.00 -18 51 58.03562 *-18 41 17.47800 -18 36 17.30395 0.00 From catalog imbedded in main SCHED input file. * P0327-1803 03 25 26.764400 * 03 27 43.341600 03 28 46.323955 0.00 -18 14 03.97885 *-18 03 42.02800 -17 58 50.09154 0.00 From catalog imbedded in main SCHED input file. 0003-066 00 03 40.288767 * 00 06 13.892888 00 07 24.282522 0.00 * J0006-0623 -06 40 17.29995 *-06 23 35.33538 -06 15 57.58509 0.01 J0006-06 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 38365 observations. 0234+285 02 34 55.589590 * 02 37 52.405677 02 39 13.593563 0.00 * J0237+2848 28 35 11.40773 * 28 48 08.98999 28 54 06.59048 0.00 J0237+28 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 58420 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 J0322-18 sess322.C2048 1 2 3 4 5 6 7 8 9 10 11 17 + 4.067 368.159 P0327-1803 sess322.C2048 1 2 3 4 5 6 7 8 9 10 11 17 + 1.392 116.286 J0006-0623 sess322.C2048 1 2 3 4 5 6 7 8 9 10 11 0.083 10.000 J0237+2848 sess322.C2048 1 2 3 4 5 6 7 8 9 10 11 18 0.192 12.051 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) J0322-18 142.5 P0327-1803 142.2 J0006-0623 148.0 J0237+2848 159.8 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