COVER INFORMATION Station: DEFFORD (Code De ) 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 DEFFORD (Code De ) 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 Next BBC frequencies: 705.51 705.51 Next scan bandwidths: 64.00 64.00 21 30 00 J1327+2210 08 51 20 29.9 91.9 -4.6 -41.5 0 0 21 30 00 21 33 00 =1324+224 08 54 21 30.4 92.5 -4.6 -41.5 180 12 21 30 01 21 33 00 J1310+3220 08 54 21 40.3 87.1 -4.3 -46.5 -53 12 No stop 21 40 00 =1308+326 09 01 22 41.3 88.5 -4.2 -46.5 367 39 21 33 01 21 41 00 J1333+2725 09 02 22 34.5 88.7 -4.5 -43.7 17 39 21 41 00 21 46 00 =1330+276 09 07 23 35.3 89.7 -4.4 -43.7 300 58 21 41 01 21 46 00 J1333+2725 09 07 23 35.3 89.7 -4.4 -43.7 -2 58 No stop 21 47 30 =1330+276 09 08 53 35.5 90.0 -4.4 -43.7 88 64 21 46 01 21 47 30 1328+254 09 08 53 34.3 92.4 -4.4 -42.6 -27 64 No stop 21 51 00 --- 09 12 24 34.8 93.1 -4.3 -42.6 183 77 21 47 31 21 51 00 J1333+2725 09 12 24 36.1 90.7 -4.4 -43.7 -26 77 No stop 21 52 30 =1330+276 09 13 54 36.3 91.0 -4.3 -43.7 64 83 21 51 01 21 52 30 1328+254 09 13 54 35.0 93.4 -4.3 -42.6 -27 83 No stop 21 56 00 --- 09 17 25 35.6 94.1 -4.2 -42.6 183 97 21 52 31 21 56 40 J1333+2725 09 18 05 36.9 91.8 -4.3 -43.7 14 97 21 56 40 21 58 10 =1330+276 09 19 35 37.2 92.1 -4.2 -43.7 90 102 21 56 41 21 58 10 1328+254 09 19 35 35.9 94.6 -4.2 -42.5 -27 102 No stop 22 01 40 --- 09 23 06 36.4 95.3 -4.1 -42.5 183 116 21 58 11 22 01 40 J1333+2725 09 23 06 37.7 92.8 -4.2 -43.7 -26 116 No stop 22 03 10 =1330+276 09 24 36 37.9 93.1 -4.2 -43.7 64 122 22 01 41 22 03 10 1328+254 09 24 36 36.7 95.6 -4.1 -42.4 -27 122 No stop 22 06 40 --- 09 28 06 37.2 96.3 -4.1 -42.4 183 135 22 03 11 22 07 20 J1333+2725 09 28 47 38.6 94.0 -4.1 -43.6 14 135 22 07 20 22 08 50 =1330+276 09 30 17 38.8 94.3 -4.1 -43.6 90 141 22 07 21 22 08 50 1328+254 09 30 17 37.5 96.8 -4.0 -42.3 -27 141 No stop 22 12 20 --- 09 33 47 38.1 97.5 -4.0 -42.2 183 155 22 08 51 22 12 20 J1333+2725 09 33 47 39.4 95.0 -4.0 -43.5 -27 155 No stop 22 13 50 =1330+276 09 35 18 39.6 95.3 -4.0 -43.5 63 160 22 12 21 Schedule for DEFFORD (Code De ) 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 09 35 18 38.3 97.9 -3.9 -42.2 -27 160 No stop 22 17 20 --- 09 38 48 38.8 98.6 -3.9 -42.1 183 174 22 13 51 22 18 00 J1333+2725 09 39 28 40.2 96.2 -3.9 -43.4 13 174 22 18 00 22 19 30 =1330+276 09 40 59 40.5 96.5 -3.9 -43.4 90 180 22 18 01 22 19 30 1328+254 09 40 59 39.2 99.1 -3.8 -42.0 -28 180 No stop 22 23 00 --- 09 44 29 39.7 99.8 -3.8 -41.9 182 193 22 19 31 22 23 00 J1333+2725 09 44 29 41.0 97.3 -3.8 -43.3 -27 193 No stop 22 24 30 =1330+276 09 45 59 41.2 97.6 -3.8 -43.3 63 199 22 23 01 22 24 30 1328+254 09 45 59 39.9 100.2 -3.8 -41.9 -28 199 No stop 22 28 00 --- 09 49 30 40.5 100.9 -3.7 -41.7 182 213 22 24 31 22 28 40 J1333+2725 09 50 10 41.9 98.5 -3.7 -43.1 13 213 22 28 40 22 30 10 =1330+276 09 51 40 42.1 98.8 -3.7 -43.1 90 218 22 28 41 22 30 10 1328+254 09 51 40 40.8 101.4 -3.7 -41.6 -28 218 No stop 22 33 40 --- 09 55 11 41.3 102.2 -3.6 -41.5 182 232 22 30 11 22 33 40 J1333+2725 09 55 11 42.6 99.6 -3.6 -43.0 -27 232 No stop 22 35 10 =1330+276 09 56 41 42.8 99.9 -3.6 -42.9 63 238 22 33 41 22 35 10 1328+254 09 56 41 41.5 102.6 -3.6 -41.4 -28 238 No stop 22 38 40 --- 10 00 12 42.1 103.4 -3.5 -41.3 182 251 22 35 11 22 39 20 J1333+2725 10 00 52 43.5 100.9 -3.6 -42.8 13 251 22 39 20 22 40 50 =1330+276 10 02 22 43.7 101.2 -3.5 -42.7 90 257 22 39 21 22 40 50 1328+254 10 02 22 42.4 103.9 -3.5 -41.2 -28 257 No stop 22 44 20 --- 10 05 53 42.9 104.7 -3.4 -41.0 182 271 22 40 51 22 44 20 J1333+2725 10 05 53 44.2 102.0 -3.5 -42.5 -27 271 No stop 22 45 50 =1330+276 10 07 23 44.5 102.4 -3.4 -42.5 63 276 22 44 21 22 45 50 1328+254 10 07 23 43.1 105.0 -3.4 -40.9 -28 276 No stop 22 49 20 --- 10 10 53 43.6 105.9 -3.3 -40.7 182 290 22 45 51 22 50 00 J1333+2725 10 11 34 45.1 103.3 -3.4 -42.3 13 290 22 50 00 22 51 30 =1330+276 10 13 04 45.3 103.7 -3.4 -42.2 90 296 22 50 01 22 51 30 1328+254 10 13 04 44.0 106.4 -3.3 -40.6 -28 296 No stop 22 55 00 --- 10 16 34 44.5 107.2 -3.3 -40.4 182 309 22 51 31 Schedule for DEFFORD (Code De ) 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 10 16 34 45.8 104.5 -3.3 -42.0 -28 309 No stop 22 56 30 =1330+276 10 18 05 46.0 104.9 -3.3 -41.9 62 315 22 55 01 22 56 30 1328+254 10 18 05 44.7 107.6 -3.2 -40.3 -29 315 No stop 23 00 00 --- 10 21 35 45.2 108.4 -3.2 -40.0 181 328 22 56 31 23 00 40 J1333+2725 10 22 15 46.7 105.9 -3.2 -41.7 12 328 23 00 40 23 02 10 =1330+276 10 23 46 46.9 106.2 -3.2 -41.6 90 334 23 00 41 23 02 10 1328+254 10 23 46 45.5 109.0 -3.1 -39.9 -29 334 No stop 23 05 40 --- 10 27 16 46.0 109.9 -3.1 -39.6 181 348 23 02 11 23 05 40 J1333+2725 10 27 16 47.4 107.1 -3.1 -41.4 -28 348 No stop 23 07 10 =1330+276 10 28 46 47.6 107.5 -3.1 -41.3 62 354 23 05 41 23 07 10 1328+254 10 28 46 46.3 110.2 -3.0 -39.5 -29 354 No stop 23 10 40 --- 10 32 17 46.8 111.1 -3.0 -39.2 181 367 23 07 11 23 11 20 J1333+2725 10 32 57 48.2 108.5 -3.0 -41.0 12 367 23 11 20 23 12 50 =1330+276 10 34 27 48.5 108.9 -3.0 -40.9 90 373 23 11 21 23 12 50 1328+254 10 34 27 47.1 111.7 -3.0 -39.1 -29 373 No stop 23 16 20 --- 10 37 58 47.6 112.6 -2.9 -38.8 181 386 23 12 51 23 16 20 J1333+2725 10 37 58 49.0 109.8 -2.9 -40.6 -28 386 No stop 23 17 50 =1330+276 10 39 28 49.2 110.2 -2.9 -40.5 62 392 23 16 21 23 17 50 1328+254 10 39 28 47.8 113.0 -2.9 -38.6 -29 392 No stop 23 21 20 --- 10 42 59 48.3 113.9 -2.8 -38.3 181 406 23 17 51 23 22 00 J1333+2725 10 43 39 49.8 111.3 -2.8 -40.1 12 406 23 22 00 23 23 30 =1330+276 10 45 09 50.0 111.7 -2.8 -40.0 90 412 23 22 01 23 23 30 1328+254 10 45 09 48.6 114.5 -2.8 -38.1 -29 412 No stop 23 27 00 --- 10 48 40 49.1 115.5 -2.7 -37.7 181 425 23 23 31 23 27 00 J1333+2725 10 48 40 50.5 112.6 -2.8 -39.7 -28 425 No stop 23 30 00 =1330+276 10 51 40 50.9 113.4 -2.7 -39.4 152 437 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 --- 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: 21 Station: DEFFORD Total bit rate: 512 Format: VDIF Bits per sample: 2 Sample rate:128.000 Number of channels: 2 DBE type: Speedup factor: 1.00 Disk used to record data. 1st LO= 5664.00 5664.00 Net SB= U U IF SB = L L Pol. = RCP LCP BBC = 1 9 BBC SB= L L IF = A1 B1 The following frequency sets based on these setups were used. Frequency Set: 17 Setup file default. Used with PCAL = off LO sum= 4958.49 4958.49 BBC fr= 705.51 705.51 Bandwd= 64.00 64.00 Matching frequency sets: 17 18 19 20 21 Track assignments are: track1= 1, 2 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