COVER INFORMATION Station: ONSALA85 (Code O8 ) 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 ONSALA85 (Code O8 ) 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: 870.49 870.49 870.49 870.49 934.49 934.49 934.49 934.49 Next scan bandwidths: 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 21 30 00 J1327+2210 09 47 35 37.0 107.8 -3.7 0.0 0 0 21 30 00 21 33 00 =1324+224 09 50 36 37.4 108.5 -3.6 0.0 180 23 21 30 01 21 33 00 J1310+3220 09 50 36 47.8 104.5 -3.3 0.0 -51 23 No stop 21 40 00 =1308+326 09 57 37 48.7 106.3 -3.2 0.0 369 77 21 33 01 21 41 00 J1333+2725 09 58 37 42.0 105.1 -3.6 0.0 30 77 21 41 00 21 46 00 =1330+276 10 03 38 42.6 106.3 -3.5 0.0 300 116 21 41 01 21 46 00 J1333+2725 10 03 38 42.6 106.3 -3.5 0.0 -5 116 No stop 21 47 30 =1330+276 10 05 08 42.8 106.7 -3.5 0.0 85 128 21 46 01 21 47 30 1328+254 10 05 08 41.3 109.1 -3.4 0.0 -19 128 No stop 21 51 00 --- 10 08 39 41.7 110.0 -3.4 0.0 191 155 21 47 31 21 51 00 J1333+2725 10 08 39 43.3 107.6 -3.4 0.0 -19 155 No stop 21 52 30 =1330+276 10 10 09 43.5 108.0 -3.4 0.0 71 166 21 51 01 21 52 30 1328+254 10 10 09 41.9 110.3 -3.4 0.0 -19 166 No stop 21 56 00 --- 10 13 40 42.3 111.2 -3.3 0.0 191 193 21 52 31 21 56 40 J1333+2725 10 14 20 44.0 109.0 -3.3 0.0 21 193 21 56 40 21 58 10 =1330+276 10 15 50 44.2 109.4 -3.3 0.0 90 205 21 56 41 21 58 10 1328+254 10 15 50 42.6 111.8 -3.3 0.0 -19 205 No stop 22 01 40 --- 10 19 21 43.1 112.7 -3.2 0.0 191 232 21 58 11 22 01 40 J1333+2725 10 19 21 44.6 110.3 -3.2 0.0 -19 232 No stop 22 03 10 =1330+276 10 20 51 44.8 110.7 -3.2 0.0 71 243 22 01 41 22 03 10 1328+254 10 20 51 43.2 113.1 -3.2 0.0 -19 243 No stop 22 06 40 --- 10 24 21 43.7 114.0 -3.1 0.0 191 271 22 03 11 22 07 20 J1333+2725 10 25 02 45.3 111.8 -3.2 0.0 21 271 22 07 20 22 08 50 =1330+276 10 26 32 45.5 112.1 -3.1 0.0 90 282 22 07 21 22 08 50 1328+254 10 26 32 43.9 114.6 -3.1 0.0 -19 282 No stop 22 12 20 --- 10 30 02 44.4 115.5 -3.0 0.0 191 309 22 08 51 22 12 20 J1333+2725 10 30 02 46.0 113.1 -3.1 0.0 -19 309 No stop 22 13 50 =1330+276 10 31 33 46.1 113.5 -3.0 0.0 71 321 22 12 21 Schedule for ONSALA85 (Code O8 ) 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 10 31 33 44.5 115.9 -3.0 0.0 -19 321 No stop 22 17 20 --- 10 35 03 45.0 116.8 -2.9 0.0 191 348 22 13 51 22 18 00 J1333+2725 10 35 43 46.7 114.6 -3.0 0.0 21 348 22 18 00 22 19 30 =1330+276 10 37 14 46.8 115.0 -2.9 0.0 90 359 22 18 01 22 19 30 1328+254 10 37 14 45.2 117.4 -2.9 0.0 -19 359 No stop 22 23 00 --- 10 40 44 45.7 118.4 -2.8 0.0 191 386 22 19 31 22 23 00 J1333+2725 10 40 44 47.3 116.0 -2.9 0.0 -19 386 No stop 22 24 30 =1330+276 10 42 14 47.5 116.4 -2.9 0.0 71 398 22 23 01 22 24 30 1328+254 10 42 14 45.8 118.8 -2.8 0.0 -19 398 No stop 22 28 00 --- 10 45 45 46.2 119.8 -2.8 0.0 191 425 22 24 31 22 28 40 J1333+2725 10 46 25 48.0 117.5 -2.8 0.0 21 425 22 28 40 22 30 10 =1330+276 10 47 55 48.1 118.0 -2.8 0.0 90 437 22 28 41 22 30 10 1328+254 10 47 55 46.5 120.4 -2.7 0.0 -19 437 No stop 22 33 40 --- 10 51 26 46.9 121.4 -2.7 0.0 191 464 22 30 11 22 33 40 J1333+2725 10 51 26 48.5 118.9 -2.7 0.0 -19 464 No stop 22 35 10 =1330+276 10 52 56 48.7 119.4 -2.7 0.0 71 475 22 33 41 22 35 10 1328+254 10 52 56 47.1 121.8 -2.6 0.0 -19 475 No stop 22 38 40 --- 10 56 27 47.5 122.9 -2.6 0.0 191 502 22 35 11 22 39 20 J1333+2725 10 57 07 49.2 120.6 -2.6 0.0 21 502 22 39 20 22 40 50 =1330+276 10 58 37 49.4 121.0 -2.6 0.0 90 514 22 39 21 22 40 50 1328+254 10 58 37 47.7 123.5 -2.6 0.0 -19 514 No stop 22 44 20 --- 11 02 08 48.1 124.5 -2.5 0.0 191 541 22 40 51 22 44 20 J1333+2725 11 02 08 49.8 122.0 -2.5 0.0 -19 541 No stop 22 45 50 =1330+276 11 03 38 50.0 122.5 -2.5 0.0 71 553 22 44 21 22 45 50 1328+254 11 03 38 48.3 125.0 -2.5 0.0 -19 553 No stop 22 49 20 --- 11 07 08 48.7 126.0 -2.4 0.0 191 580 22 45 51 22 50 00 J1333+2725 11 07 49 50.4 123.7 -2.4 0.0 21 580 22 50 00 22 51 30 =1330+276 11 09 19 50.6 124.2 -2.4 0.0 90 591 22 50 01 22 51 30 1328+254 11 09 19 48.9 126.7 -2.4 0.0 -19 591 No stop 22 55 00 --- 11 12 49 49.3 127.7 -2.3 0.0 191 618 22 51 31 Schedule for ONSALA85 (Code O8 ) 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 11 12 49 51.0 125.3 -2.4 0.0 -19 618 No stop 22 56 30 =1330+276 11 14 20 51.2 125.7 -2.3 0.0 71 630 22 55 01 22 56 30 1328+254 11 14 20 49.4 128.2 -2.3 0.0 -19 630 No stop 23 00 00 --- 11 17 50 49.8 129.3 -2.2 0.0 191 657 22 56 31 23 00 40 J1333+2725 11 18 30 51.6 127.0 -2.3 0.0 21 657 23 00 40 23 02 10 =1330+276 11 20 01 51.8 127.5 -2.2 0.0 90 669 23 00 41 23 02 10 1328+254 11 20 01 50.0 130.0 -2.2 0.0 -19 669 No stop 23 05 40 --- 11 23 31 50.4 131.1 -2.1 0.0 191 696 23 02 11 23 05 40 J1333+2725 11 23 31 52.1 128.6 -2.2 0.0 -19 696 No stop 23 07 10 =1330+276 11 25 01 52.3 129.1 -2.2 0.0 71 707 23 05 41 23 07 10 1328+254 11 25 01 50.5 131.6 -2.1 0.0 -19 707 No stop 23 10 40 --- 11 28 32 50.9 132.7 -2.1 0.0 191 734 23 07 11 23 11 20 J1333+2725 11 29 12 52.7 130.4 -2.1 0.0 21 734 23 11 20 23 12 50 =1330+276 11 30 42 52.9 130.9 -2.1 0.0 90 746 23 11 21 23 12 50 1328+254 11 30 42 51.1 133.4 -2.0 0.0 -19 746 No stop 23 16 20 --- 11 34 13 51.4 134.5 -2.0 0.0 191 773 23 12 51 23 16 20 J1333+2725 11 34 13 53.2 132.1 -2.0 0.0 -19 773 No stop 23 17 50 =1330+276 11 35 43 53.4 132.6 -2.0 0.0 71 785 23 16 21 23 17 50 1328+254 11 35 43 51.6 135.0 -1.9 0.0 -19 785 No stop 23 21 20 --- 11 39 14 51.9 136.2 -1.9 0.0 191 812 23 17 51 23 22 00 J1333+2725 11 39 54 53.8 134.0 -1.9 0.0 21 812 23 22 00 23 23 30 =1330+276 11 41 24 53.9 134.5 -1.9 0.0 90 823 23 22 01 23 23 30 1328+254 11 41 24 52.1 136.9 -1.8 0.0 -19 823 No stop 23 27 00 --- 11 44 55 52.4 138.1 -1.8 0.0 191 850 23 23 31 23 27 00 J1333+2725 11 44 55 54.3 135.7 -1.8 0.0 -19 850 No stop 23 30 00 =1330+276 11 47 55 54.6 136.7 -1.8 0.0 161 873 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: 7 Station: ONSALA85 Total bit rate: 1024 Format: VDIF Bits per sample: 2 Sample rate: 64.000 Number of channels: 8 DBE type: DBBC_DDC Speedup factor: 1.00 Disk used to record data. 1st LO= 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 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 = A1 C1 A1 C1 A1 C1 A1 C1 The following frequency sets based on these setups were used. Frequency Set: 6 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= 870.49 870.49 870.49 870.49 934.49 934.49 934.49 934.49 Bandwd= 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 Matching frequency sets: 6 Track assignments are: track1= 1, 2, 3, 4, 5, 6, 7, 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