COVER INFORMATION Station: URUMQI (Code Ur ) Experiment: Highly magnified radio-loud quad lens PSJ2107-1611 Exp. Code: EL068 Schedule Version: 2.00 Processed by SCHED version: 11.60 Release 11.6; April 2020 PI: Cameron Lemon Address: EPFL Observatoire de Sauverny CH-1290 Versoix Switzerland Phone: +41 21 6931111 EMAIL: cameron.lemon@epfl.ch Fax: Phone during observation: +41 21 6931111 Observing mode: VLBI Notes: Schedule for URUMQI (Code Ur ) Page 2 Highly magnified radio-loud quad lens PSJ2107-1611 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 ---------------------------------------------------------------------------------------- --- Fri 9 Jun 2023 Day 160 --- Next scan frequencies: 1626.49 1626.49 1626.49 1626.49 1690.49 1690.49 1690.49 1690.49 Next BBC frequencies: 526.49 526.49 526.49 526.49 590.49 590.49 590.49 590.49 Next scan bandwidths: 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 00 00 00 3C454.3 22 57 09 62.8 181.1 0.0 0.8 0 0 00 00 00 00 20 00 --- 23 17 12 62.4 191.5 0.4 8.7 1200 154 00 00 01 00 21 00 J2107-1708 23 18 12 22.6 213.7 2.2 24.9 -23 154 00 21 00 00 30 00 --- 23 27 14 21.7 215.8 2.3 26.3 517 223 00 21 01 00 30 00 PSJ2107-1611 23 27 14 22.6 216.1 2.3 26.4 -5 223 No stop 00 34 00 --- 23 31 15 22.1 217.1 2.4 27.1 235 254 00 30 01 00 34 00 J2107-1708 23 31 15 21.2 216.7 2.4 27.0 -5 254 No stop 00 35 30 --- 23 32 45 21.1 217.0 2.4 27.2 85 265 00 34 01 00 35 30 PSJ2107-1611 23 32 45 22.0 217.4 2.4 27.3 -5 265 No stop 00 39 30 --- 23 36 45 21.5 218.3 2.5 27.9 235 296 00 35 31 00 40 00 J2107-1708 23 37 16 20.6 218.1 2.5 27.9 25 296 00 40 00 00 41 00 --- 23 38 16 20.5 218.3 2.5 28.0 60 304 00 40 01 00 41 00 PSJ2107-1611 23 38 16 21.4 218.7 2.5 28.2 -5 304 No stop 00 45 00 --- 23 42 16 20.9 219.6 2.6 28.8 235 335 00 41 01 00 45 00 J2107-1708 23 42 16 20.0 219.2 2.6 28.7 -5 335 No stop 00 46 30 --- 23 43 47 19.8 219.5 2.6 28.9 85 346 00 45 01 00 46 30 PSJ2107-1611 23 43 47 20.7 219.9 2.6 29.0 -5 346 No stop 00 50 30 --- 23 47 47 20.2 220.8 2.6 29.6 235 377 00 46 31 00 51 00 J2107-1708 23 48 17 19.3 220.5 2.7 29.5 25 377 00 51 00 00 52 00 --- 23 49 18 19.2 220.7 2.7 29.7 60 385 00 51 01 00 52 00 PSJ2107-1611 23 49 18 20.1 221.1 2.7 29.8 -5 385 No stop 00 56 00 --- 23 53 18 19.6 222.0 2.7 30.4 235 415 00 52 01 00 56 00 J2107-1708 23 53 18 18.7 221.6 2.7 30.3 -5 415 No stop 00 57 30 --- 23 54 48 18.5 221.9 2.8 30.5 85 427 00 56 01 00 57 30 PSJ2107-1611 23 54 48 19.4 222.4 2.8 30.6 -5 427 No stop 01 01 30 --- 23 58 49 18.9 223.2 2.8 31.2 235 458 00 57 31 01 02 00 J2107-1708 23 59 19 18.0 222.9 2.8 31.1 25 458 01 02 00 01 03 00 --- 00 00 19 17.9 223.1 2.9 31.3 60 465 01 02 01 Schedule for URUMQI (Code Ur ) Page 3 Highly magnified radio-loud quad lens PSJ2107-1611 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 ---------------------------------------------------------------------------------------- --- Fri 9 Jun 2023 Day 160 --- 01 03 00 PSJ2107-1611 00 00 19 18.7 223.6 2.9 31.4 -5 465 No stop 01 07 00 --- 00 04 20 18.2 224.4 2.9 31.9 235 496 01 03 01 01 07 00 J2107-1708 00 04 20 17.4 224.0 2.9 31.8 -5 496 No stop 01 08 30 --- 00 05 50 17.2 224.3 3.0 32.0 85 508 01 07 01 01 08 30 PSJ2107-1611 00 05 50 18.0 224.7 2.9 32.1 -5 508 No stop 01 12 30 --- 00 09 51 17.5 225.6 3.0 32.7 235 538 01 08 31 01 13 00 J2107-1708 00 10 21 16.6 225.3 3.0 32.6 25 538 01 13 00 01 14 00 --- 00 11 21 16.5 225.5 3.0 32.8 60 546 01 13 01 01 14 00 PSJ2107-1611 00 11 21 17.3 225.9 3.0 32.9 -5 546 No stop 01 18 00 --- 00 15 22 16.8 226.8 3.1 33.4 235 577 01 14 01 01 18 00 J2107-1708 00 15 22 15.9 226.3 3.1 33.3 -5 577 No stop 01 19 30 --- 00 16 52 15.7 226.6 3.1 33.5 85 588 01 18 01 01 19 30 PSJ2107-1611 00 16 52 16.6 227.1 3.1 33.6 -5 588 No stop 01 23 30 --- 00 20 53 16.1 227.9 3.2 34.1 235 619 01 19 31 01 24 00 J2107-1708 00 21 23 15.1 227.5 3.2 34.1 25 619 01 24 00 01 25 00 --- 00 22 23 15.0 227.8 3.2 34.2 60 627 01 24 01 01 25 00 PSJ2107-1611 00 22 23 15.8 228.2 3.2 34.3 -5 627 No stop 01 29 00 --- 00 26 24 15.3 229.0 3.3 34.8 235 658 01 25 01 01 29 00 J2107-1708 00 26 24 14.5 228.6 3.3 34.7 -5 658 No stop 01 30 30 --- 00 27 54 14.3 228.9 3.3 34.9 85 669 01 29 01 01 30 30 PSJ2107-1611 00 27 54 15.1 229.4 3.3 35.0 -5 669 No stop 01 34 30 --- 00 31 55 14.5 230.2 3.4 35.5 235 700 01 30 31 01 35 00 J2107-1708 00 32 25 13.6 229.8 3.4 35.4 25 700 01 35 00 01 36 00 --- 00 33 25 13.5 230.0 3.4 35.5 60 708 01 35 01 01 36 00 PSJ2107-1611 00 33 25 14.3 230.5 3.4 35.6 -5 708 No stop 01 40 00 --- 00 37 25 13.8 231.3 3.5 36.1 235 738 01 36 01 01 40 00 J2107-1708 00 37 25 12.9 230.8 3.5 36.0 -5 738 No stop 01 41 30 --- 00 38 56 12.7 231.1 3.5 36.2 85 750 01 40 01 01 41 30 PSJ2107-1611 00 38 56 13.6 231.6 3.5 36.3 -5 750 No stop 01 45 30 --- 00 42 56 13.0 232.4 3.6 36.7 235 781 01 41 31 Schedule for URUMQI (Code Ur ) Page 4 Highly magnified radio-loud quad lens PSJ2107-1611 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 ---------------------------------------------------------------------------------------- --- Fri 9 Jun 2023 Day 160 --- 01 46 00 J2107-1708 00 43 26 12.1 232.0 3.6 36.7 25 781 01 46 00 01 47 00 --- 00 44 27 11.9 232.2 3.6 36.8 60 788 01 46 01 01 47 00 PSJ2107-1611 00 44 27 12.8 232.7 3.6 36.9 -5 788 No stop 01 51 00 --- 00 48 27 12.2 233.5 3.7 37.4 235 819 01 47 01 01 51 00 J2107-1708 00 48 27 11.4 232.9 3.7 37.3 -5 819 No stop 01 52 30 --- 00 49 57 11.2 233.2 3.7 37.5 85 831 01 51 01 01 52 30 PSJ2107-1611 00 49 57 12.0 233.7 3.7 37.5 -5 831 No stop 01 56 30 --- 00 53 58 11.4 234.5 3.7 38.0 235 862 01 52 31 01 57 00 J2107-1708 00 54 28 10.5 234.1 3.8 37.9 25 862 01 57 00 01 58 00 --- 00 55 28 10.3 234.3 3.8 38.1 60 869 01 57 01 01 58 00 PSJ2107-1611 00 55 28 11.1 234.8 3.8 38.1 -5 869 No stop 02 02 00 --- 00 59 29 10.6 235.6 3.8 38.5 235 900 01 58 01 02 02 00 J2107-1708 00 59 29 9.7 235.1 3.8 38.5 -5 900 No stop 02 03 30 --- 01 00 59 9.5 235.4 3.9 38.6 85 912 02 02 01 02 03 30 PSJ2107-1611 01 00 59 10.3 235.9 3.9 38.7 -5 912 No stop 02 07 30 --- 01 05 00 9.7 236.6 3.9 39.1 235 942 02 03 31 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess223.L1024 --- 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: 9 Station: URUMQI Total bit rate: 1024 Format: MARK5B 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= 1100.00 1100.00 1100.00 1100.00 1100.00 1100.00 1100.00 1100.00 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 = A2 C1 A2 C1 A2 C1 A2 C1 The following frequency sets based on these setups were used. Frequency Set: 7 Setup file default. Used with PCAL = off LO sum= 1626.49 1626.49 1626.49 1626.49 1690.49 1690.49 1690.49 1690.49 BBC fr= 526.49 526.49 526.49 526.49 590.49 590.49 590.49 590.49 Bandwd= 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 Matching frequency sets: 7 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) * PSJ2107-1611 21 05 05.242837 * 21 07 52.440000 21 09 10.890504 0.00 -16 23 40.72886 *-16 11 32.28000 -16 05 52.56213 0.00 From catalog imbedded in main SCHED input file. * J2107-1708 21 04 38.971700 * 21 07 27.021700 21 08 45.876268 0.00 -17 20 17.51475 *-17 08 10.35800 -17 02 30.95766 0.00 From catalog imbedded in main SCHED input file. * 3C454.3 22 51 29.519741 * 22 53 57.747940 22 55 06.687062 0.00 15 52 54.34805 * 16 08 53.56088 16 16 11.39330 0.00 From catalog imbedded in main SCHED input file. 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 PSJ2107-161sess223.L1024 1 2 3 4 5 6 7 8 9 4.800 115.935 J2107-1708 sess223.L1024 1 2 3 4 5 6 7 8 9 1.650 34.420 3C454.3 sess223.L1024 1 2 3 4 5 6 7 8 9 0.717 22.733 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) PSJ2107-1611 123.2 J2107-1708 123.5 3C454.3 86.6 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