COVER INFORMATION Station: ZELENCHK (Code Zc ) Experiment: ET048C Exp. Code: ET048C Schedule Version: 2.00 Processed by SCHED version: 11.60 Release 11.6; April 2020 PI: Oleg Titov Address: Geoscience Australia Cnr Jerrabomberra Avenue and Hindmarsh Drive Symonston ACT 2609 GPO Box 378 Canberra ACT 2601 Australia Phone: +61 2 6249 9064 EMAIL: Oleg.Titov@ga.gov.au Fax: Phone during observation: +61 2 6249 9064 Observing mode: Notes: Imaging extragalactic radio sources with extremely large radio-optical offsets Devided on 3 epochs: ET048A, ET048B, ET048C 6cm, 1024 Mbps, RCP & LCP, 2 bit sampling Prepared by Alexey Melnikov, aem@iaaras.ru Schedule for ZELENCHK (Code Zc ) Page 2 ET048C 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 ---------------------------------------------------------------------------------------- --- Mon 14 Mar 2022 Day 73 --- Next scan frequencies: 4958.49 4958.49 4958.49 4958.49 5022.49 5022.49 5022.49 5022.49 Next BBC frequencies: 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 21 30 00 J1327+2210 11 46 11 59.8 487.7 -1.7 -38.1 0 0 21 30 00 21 33 00 =1324+224 11 49 11 60.2 488.8 -1.6 -37.4 180 23 21 30 01 21 33 00 J1310+3220 11 49 11 70.2 478.7 -1.4 -48.4 -35 23 No stop 21 40 00 =1308+326 11 56 12 71.3 481.8 -1.3 -46.5 385 77 21 33 01 21 41 00 J1333+2725 11 57 13 64.5 482.2 -1.6 -43.4 31 77 21 41 00 21 46 00 =1330+276 12 02 13 65.2 484.1 -1.5 -42.3 300 115 21 41 01 21 46 00 J1333+2725 12 02 13 65.2 484.1 -1.5 -42.3 -5 115 No stop 21 47 30 =1330+276 12 03 44 65.5 484.7 -1.5 -41.9 85 127 21 46 01 21 47 30 1328+254 12 03 44 64.1 489.1 -1.5 -38.2 -24 127 No stop 21 51 00 --- 12 07 14 64.6 490.6 -1.4 -37.2 186 154 21 47 31 21 51 00 J1333+2725 12 07 14 66.0 486.1 -1.4 -41.0 -24 154 No stop 21 52 30 =1330+276 12 08 44 66.2 486.7 -1.4 -40.6 66 165 21 51 01 21 52 30 1328+254 12 08 44 64.8 491.2 -1.4 -36.8 -24 165 No stop 21 56 00 --- 12 12 15 65.2 492.7 -1.3 -35.8 186 192 21 52 31 21 56 40 J1333+2725 12 12 55 66.8 488.5 -1.4 -39.5 16 192 21 56 40 21 58 10 =1330+276 12 14 25 67.0 489.2 -1.3 -39.0 90 204 21 56 41 21 58 10 1328+254 12 14 25 65.5 493.7 -1.3 -35.2 -24 204 No stop 22 01 40 --- 12 17 56 66.0 495.3 -1.2 -34.1 186 231 21 58 11 22 01 40 J1333+2725 12 17 56 67.5 490.7 -1.3 -38.0 -24 231 No stop 22 03 10 =1330+276 12 19 26 67.7 491.4 -1.2 -37.5 66 242 22 01 41 22 03 10 1328+254 12 19 26 66.2 496.0 -1.2 -33.6 -24 242 No stop 22 06 40 --- 12 22 57 66.6 497.6 -1.1 -32.5 186 269 22 03 11 22 07 20 J1333+2725 12 23 37 68.2 493.4 -1.2 -36.2 16 269 22 07 20 22 08 50 =1330+276 12 25 07 68.4 494.2 -1.2 -35.7 90 281 22 07 21 22 08 50 1328+254 12 25 07 66.9 498.7 -1.1 -31.7 -24 281 No stop 22 12 20 --- 12 28 38 67.3 500.4 -1.1 -30.5 186 308 22 08 51 22 12 20 J1333+2725 12 28 38 68.9 495.9 -1.1 -34.4 -24 308 No stop 22 13 50 =1330+276 12 30 08 69.1 496.7 -1.1 -33.9 66 319 22 12 21 Schedule for ZELENCHK (Code Zc ) Page 3 ET048C 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 ---------------------------------------------------------------------------------------- --- Mon 14 Mar 2022 Day 73 --- 22 13 50 1328+254 12 30 08 67.4 501.2 -1.0 -30.0 -24 319 No stop 22 17 20 --- 12 33 39 67.8 503.0 -1.0 -28.6 186 346 22 13 51 22 18 00 J1333+2725 12 34 19 69.6 498.9 -1.0 -32.3 16 346 22 18 00 22 19 30 =1330+276 12 35 49 69.8 499.7 -1.0 -31.7 90 358 22 18 01 22 19 30 1328+254 12 35 49 68.1 504.2 -0.9 -27.8 -24 358 No stop 22 23 00 --- 12 39 19 68.4 506.1 -0.9 -26.4 186 385 22 19 31 22 23 00 J1333+2725 12 39 19 70.2 501.6 -0.9 -30.3 -23 385 No stop 22 24 30 =1330+276 12 40 50 70.3 502.5 -0.9 -29.6 67 396 22 23 01 22 24 30 1328+254 12 40 50 68.6 506.9 -0.8 -25.8 -24 396 No stop 22 28 00 --- 12 44 20 68.9 508.9 -0.8 -24.3 186 423 22 24 31 22 28 40 J1333+2725 12 45 00 70.8 504.9 -0.8 -27.8 17 423 22 28 40 22 30 10 =1330+276 12 46 31 70.9 505.9 -0.8 -27.1 90 435 22 28 41 22 30 10 1328+254 12 46 31 69.1 510.2 -0.8 -23.4 -24 435 No stop 22 33 40 --- 12 50 01 69.4 512.2 -0.7 -21.8 186 462 22 30 11 22 33 40 J1333+2725 12 50 01 71.3 508.0 -0.7 -25.5 -23 462 No stop 22 35 10 =1330+276 12 51 31 71.4 509.0 -0.7 -24.8 67 473 22 33 41 22 35 10 1328+254 12 51 31 69.5 513.1 -0.7 -21.1 -24 473 No stop 22 38 40 --- 12 55 02 69.8 515.3 -0.6 -19.5 186 500 22 35 11 22 39 20 J1333+2725 12 55 42 71.8 511.6 -0.6 -22.7 17 500 22 39 20 22 40 50 =1330+276 12 57 12 71.9 512.6 -0.6 -21.9 90 512 22 39 21 22 40 50 1328+254 12 57 12 70.0 516.6 -0.6 -18.4 -23 512 No stop 22 44 20 --- 13 00 43 70.2 518.9 -0.5 -16.7 187 538 22 40 51 22 44 20 J1333+2725 13 00 43 72.2 515.0 -0.6 -20.1 -22 538 No stop 22 45 50 =1330+276 13 02 13 72.3 516.0 -0.5 -19.3 68 550 22 44 21 22 45 50 1328+254 13 02 13 70.3 519.8 -0.5 -15.9 -23 550 No stop 22 49 20 --- 13 05 44 70.5 522.1 -0.4 -14.2 187 577 22 45 51 22 50 00 J1333+2725 13 06 24 72.6 519.0 -0.5 -17.0 18 577 22 50 00 22 51 30 =1330+276 13 07 54 72.7 520.0 -0.4 -16.1 90 588 22 50 01 22 51 30 1328+254 13 07 54 70.6 523.6 -0.4 -13.0 -22 588 No stop 22 55 00 --- 13 11 25 70.8 525.9 -0.3 -11.2 188 615 22 51 31 Schedule for ZELENCHK (Code Zc ) Page 4 ET048C 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 ---------------------------------------------------------------------------------------- --- Mon 14 Mar 2022 Day 73 --- 22 55 00 J1333+2725 13 11 25 72.9 522.6 -0.4 -14.1 -21 615 No stop 22 56 30 =1330+276 13 12 55 73.0 523.7 -0.4 -13.2 69 627 22 55 01 22 56 30 1328+254 13 12 55 70.9 526.9 -0.3 -10.4 -22 627 No stop 23 00 00 --- 13 16 26 71.0 529.3 -0.3 -8.5 188 654 22 56 31 23 00 40 J1333+2725 13 17 06 73.2 526.8 -0.3 -10.7 20 654 23 00 40 23 02 10 =1330+276 13 18 36 73.2 527.9 -0.3 -9.8 90 665 23 00 41 23 02 10 1328+254 13 18 36 71.1 530.8 -0.2 -7.3 -21 665 No stop 23 05 40 --- 13 22 06 71.1 533.3 -0.2 -5.4 189 692 23 02 11 23 05 40 J1333+2725 13 22 06 73.3 530.6 -0.2 -7.6 -19 692 No stop 23 07 10 =1330+276 13 23 37 73.4 531.8 -0.2 -6.7 71 704 23 05 41 23 07 10 1328+254 13 23 37 71.2 534.3 -0.1 -4.5 -20 704 No stop 23 10 40 --- 13 27 07 71.2 536.8 -0.1 -2.6 190 731 23 07 11 23 11 20 J1333+2725 13 27 47 73.5 535.0 -0.1 -4.1 22 731 23 11 20 23 12 50 =1330+276 13 29 18 73.5 536.2 -0.1 -3.1 90 742 23 11 21 23 12 50 1328+254 13 29 18 71.2 538.3 -0.0 -1.3 -19 742 No stop 23 16 20 --- 13 32 48 71.2 540.8 0.0 0.6 191 769 23 12 51 23 16 20 J1333+2725 13 32 48 73.5 538.9 -0.0 -0.9 -18 769 No stop 23 17 50 =1330+276 13 34 18 73.5 540.1 0.0 0.1 72 781 23 16 21 23 17 50 1328+254 13 34 18 71.2 541.8 0.0 1.5 -18 781 No stop 23 21 20 --- 13 37 49 71.2 544.3 0.1 3.4 192 808 23 17 51 23 22 00 J1333+2725 13 38 29 73.5 543.4 0.1 2.7 21 808 23 22 00 23 23 30 =1330+276 13 39 59 73.5 544.5 0.1 3.7 90 819 23 22 01 23 23 30 1328+254 13 39 59 71.2 545.8 0.1 4.6 -19 819 No stop 23 27 00 --- 13 43 30 71.1 548.3 0.2 6.6 191 846 23 23 31 23 27 00 J1333+2725 13 43 30 73.4 547.3 0.2 5.9 -19 846 No stop 23 30 00 =1330+276 13 46 30 73.3 549.6 0.2 7.8 161 869 23 27 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess122.C1024 Matching groups in /home/guest/rmc/SCHED/sched11.6/catalogs/freq_RDBE.dat: kvzr_c Added by Des Small, 24 February 2012 Setup group: 2 Station: ZELENCHK Total bit rate: 1024 Format: MARK5B Bits per sample: 2 Sample rate: 64.000 Number of channels: 8 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 Net SB= L L U U L L U U IF SB = U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 9 1 9 2 10 2 10 BBC SB= L L U U L L U U IF = A B A B A B A B The following frequency sets based on these setups were used. Frequency Set: 12 Setup file default. Used with PCAL = off LO sum= 4958.49 4958.49 4958.49 4958.49 5022.49 5022.49 5022.49 5022.49 BBC fr= 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 Matching frequency sets: 12 13 14 Track assignments are: track1= 10, 14, 2, 6, 12, 16, 4, 8 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * 1328+254 13 28 15.929959 * 13 30 37.695072 13 31 41.190061 0.00 J1330+2509 25 24 37.58506 * 25 09 10.98324 25 02 12.09646 0.00 3C287 From catalog imbedded in main SCHED input file. Titov,ET048C 1308+326 13 08 07.560130 * 13 10 28.663850 13 11 32.041704 0.22 * J1310+3220 32 36 40.23884 * 32 20 43.78291 32 13 32.21631 0.20 J1310+32 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 116159 observations. 1324+224 13 24 37.118627 * 13 27 00.861311 13 28 05.194029 0.00 * J1327+2210 22 26 22.70245 * 22 10 50.16289 22 03 49.11127 0.00 J1327+22 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 46958 observations. 1330+276 13 30 47.332194 * 13 33 07.490724 13 34 10.307850 0.08 * J1333+2725 27 40 40.74242 * 27 25 18.38262 27 18 21.03569 0.11 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 150 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 1328+254 sess122.C1024 1 2 3 4 5 6 7 8 9 10 11 12 + 1.108 204.668 J1310+3220 sess122.C1024 1 2 3 4 5 6 7 8 9 10 11 12 + 0.117 21.662 J1327+2210 sess122.C1024 1 2 3 4 5 6 7 8 9 10 11 12 + 0.050 10.500 J1333+2725 sess122.C1024 1 2 3 4 5 6 7 8 9 10 11 12 + 0.608 112.769 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) 1328+254 144.6 J1310+3220 143.0 J1327+2210 147.0 J1333+2725 142.8 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