COVER INFORMATION Station: URUMQI (Code Ur ) Experiment: Red Nuggests Exp. Code: EH046A Schedule Version: 2.00 Processed by SCHED version: 11.60 Release 11.6; April 2020 PI: Dan Hu Address: Masaryk University Kotlarska 2 Brno Czech Republic Phone: +420 608462199 EMAIL: hudan.bazhaoyu@gmail.com Fax: Phone during observation: Observing mode: vlbi Notes: PCAL off, please COVER LETTER: Target: Mrk1216 Primary phase-reference calibrator: J0830-0636 Secondary phase-reference calibrator: J0827-0708 (08:27:06.167617, -07:08:45.89819, J2000) Fringe-finder: 4C39.25 Calibrator for e-MERLIN: 3C286 Note: the secondary p-ref calibrator is not included in the catalogues. Add manually. Schedule for URUMQI (Code Ur ) Page 2 Red Nuggests 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 ---------------------------------------------------------------------------------------- --- Thu 20 Feb 2025 Day 51 --- Next scan frequencies: 1626.49 1626.49 1626.49 1626.49 1690.49 1690.49 1690.49 1690.49 Next BBC frequencies: 1440.49 1440.49 1440.49 1440.49 1504.49 1504.49 1504.49 1504.49 Next scan bandwidths: 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 18 30 00 J0830-0636 10 22 29 34.0 213.7 1.8 23.9 0 0 18 30 00 18 31 00 =0828-064 10 23 29 33.9 214.0 1.9 24.1 60 8 18 30 01 18 31 00 J0827-0708 10 23 29 33.0 214.7 1.9 24.6 -5 8 No stop 18 34 30 --- 10 27 00 32.6 215.6 2.0 25.2 205 35 18 31 01 18 34 30 J0830-0636 10 27 00 33.5 214.9 1.9 24.7 -5 35 No stop 18 36 30 =0828-064 10 29 00 33.3 215.5 1.9 25.1 115 50 18 34 31 18 40 00 4C39.25 10 32 30 77.2 254.7 1.1 64.1 118 50 18 40 00 18 45 00 --- 10 37 31 76.3 256.5 1.1 65.1 300 88 18 40 01 18 48 00 J0830-0636 10 40 32 32.0 218.5 2.1 27.1 89 88 18 48 00 18 50 00 =0828-064 10 42 32 31.8 219.0 2.2 27.4 120 104 18 48 01 18 50 00 MRK1216 10 42 32 31.3 219.4 2.2 27.6 -4 104 No stop 18 54 00 --- 10 46 33 30.8 220.4 2.3 28.3 236 135 18 50 01 18 54 00 J0830-0636 10 46 33 31.3 220.1 2.2 28.1 -4 135 No stop 18 55 30 =0828-064 10 48 03 31.2 220.5 2.3 28.3 86 146 18 54 01 18 55 30 MRK1216 10 48 03 30.6 220.8 2.3 28.5 -4 146 No stop 18 59 30 --- 10 52 04 30.1 221.8 2.4 29.2 236 177 18 55 31 19 00 00 J0830-0636 10 52 34 30.6 221.6 2.3 29.0 26 177 19 00 00 19 01 00 =0828-064 10 53 34 30.5 221.9 2.4 29.2 60 185 19 00 01 19 01 00 MRK1216 10 53 34 30.0 222.2 2.4 29.4 -4 185 No stop 19 05 00 --- 10 57 35 29.5 223.2 2.5 30.0 236 215 19 01 01 19 05 00 J0830-0636 10 57 35 30.0 222.9 2.4 29.8 -4 215 No stop 19 06 30 =0828-064 10 59 05 29.8 223.2 2.4 30.0 86 227 19 05 01 19 06 30 MRK1216 10 59 05 29.3 223.5 2.5 30.2 -4 227 No stop 19 10 30 --- 11 03 05 28.8 224.5 2.6 30.8 236 258 19 06 31 19 11 00 J0830-0636 11 03 35 29.3 224.3 2.5 30.7 26 258 19 11 00 19 12 00 =0828-064 11 04 36 29.1 224.6 2.5 30.9 60 265 19 11 01 19 12 00 MRK1216 11 04 36 28.6 224.9 2.6 31.1 -4 265 No stop 19 16 00 --- 11 08 36 28.1 225.9 2.6 31.6 236 296 19 12 01 Schedule for URUMQI (Code Ur ) Page 3 Red Nuggests 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 ---------------------------------------------------------------------------------------- --- Thu 20 Feb 2025 Day 51 --- 19 16 00 J0830-0636 11 08 36 28.6 225.6 2.6 31.4 -4 296 No stop 19 17 30 =0828-064 11 10 07 28.4 225.9 2.6 31.7 86 308 19 16 01 19 17 30 MRK1216 11 10 07 27.9 226.2 2.7 31.9 -4 308 No stop 19 21 30 --- 11 14 07 27.3 227.2 2.7 32.4 236 338 19 17 31 19 22 00 J0830-0636 11 14 37 27.8 227.0 2.7 32.3 26 338 19 22 00 19 23 00 =0828-064 11 15 37 27.7 227.2 2.7 32.4 60 346 19 22 01 19 23 00 MRK1216 11 15 37 27.1 227.5 2.8 32.6 -4 346 No stop 19 27 00 --- 11 19 38 26.6 228.5 2.8 33.2 236 377 19 23 01 19 27 00 J0830-0636 11 19 38 27.2 228.2 2.8 33.0 -4 377 No stop 19 28 30 =0828-064 11 21 08 27.0 228.5 2.8 33.2 86 388 19 27 01 19 28 30 MRK1216 11 21 08 26.4 228.8 2.9 33.4 -4 388 No stop 19 32 30 --- 11 25 09 25.8 229.7 2.9 33.9 236 419 19 28 31 19 33 00 J0830-0636 11 25 39 26.3 229.6 2.9 33.8 26 419 19 33 00 19 34 00 =0828-064 11 26 39 26.2 229.8 2.9 33.9 60 427 19 33 01 19 34 00 MRK1216 11 26 39 25.6 230.1 2.9 34.1 -4 427 No stop 19 38 00 --- 11 30 40 25.1 231.0 3.0 34.6 236 458 19 34 01 19 38 00 J0830-0636 11 30 40 25.6 230.7 3.0 34.4 -4 458 No stop 19 39 30 =0828-064 11 32 10 25.4 231.1 3.0 34.6 86 469 19 38 01 19 39 30 MRK1216 11 32 10 24.9 231.3 3.0 34.8 -4 469 No stop 19 43 30 --- 11 36 11 24.3 232.2 3.1 35.3 236 500 19 39 31 19 44 00 J0830-0636 11 36 41 24.8 232.1 3.1 35.2 26 500 19 44 00 19 45 00 =0828-064 11 37 41 24.6 232.3 3.1 35.3 60 508 19 44 01 19 45 00 MRK1216 11 37 41 24.1 232.5 3.1 35.5 -4 508 No stop 19 49 00 --- 11 41 42 23.5 233.4 3.2 36.0 236 538 19 45 01 19 49 00 J0830-0636 11 41 42 24.1 233.2 3.2 35.8 -4 538 No stop 19 50 30 =0828-064 11 43 12 23.8 233.5 3.2 36.0 86 550 19 49 01 19 50 30 MRK1216 11 43 12 23.3 233.8 3.2 36.1 -4 550 No stop 19 54 30 --- 11 47 13 22.7 234.6 3.3 36.6 236 581 19 50 31 19 55 00 J0830-0636 11 47 43 23.2 234.5 3.3 36.5 26 581 19 55 00 19 56 00 =0828-064 11 48 43 23.0 234.7 3.3 36.6 60 588 19 55 01 Schedule for URUMQI (Code Ur ) Page 4 Red Nuggests 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 ---------------------------------------------------------------------------------------- --- Thu 20 Feb 2025 Day 51 --- 19 56 00 MRK1216 11 48 43 22.5 235.0 3.3 36.8 -4 588 No stop 20 00 00 --- 11 52 44 21.9 235.8 3.4 37.2 236 619 19 56 01 20 00 00 J0830-0636 11 52 44 22.4 235.6 3.3 37.1 -4 619 No stop 20 01 30 =0828-064 11 54 14 22.2 235.9 3.4 37.2 86 631 20 00 01 20 01 30 MRK1216 11 54 14 21.6 236.1 3.4 37.4 -4 631 No stop 20 05 30 --- 11 58 14 21.0 237.0 3.5 37.8 236 662 20 01 31 20 06 00 J0830-0636 11 58 45 21.5 236.9 3.4 37.7 26 662 20 06 00 20 07 00 =0828-064 11 59 45 21.4 237.1 3.5 37.8 60 669 20 06 01 20 07 00 MRK1216 11 59 45 20.8 237.3 3.5 38.0 -4 669 No stop 20 11 00 --- 12 03 45 20.2 238.1 3.6 38.4 236 700 20 07 01 20 11 00 J0830-0636 12 03 45 20.8 237.9 3.5 38.3 -4 700 No stop 20 12 30 =0828-064 12 05 16 20.5 238.2 3.6 38.4 86 712 20 11 01 20 12 30 MRK1216 12 05 16 19.9 238.4 3.6 38.5 -4 712 No stop 20 16 30 --- 12 09 16 19.3 239.3 3.7 38.9 236 742 20 12 31 20 17 00 J0830-0636 12 09 46 19.8 239.2 3.6 38.9 26 742 20 17 00 20 18 00 =0828-064 12 10 47 19.7 239.4 3.6 39.0 60 750 20 17 01 20 18 00 J0830-0636 12 10 47 19.7 239.4 3.6 39.0 -2 750 No stop 20 19 30 =0828-064 12 12 17 19.4 239.7 3.7 39.1 88 762 20 18 01 20 19 30 J0827-0708 12 12 17 18.4 240.1 3.7 39.3 -5 762 No stop 20 23 00 --- 12 15 47 17.9 240.8 3.8 39.7 205 788 20 19 31 20 23 00 J0830-0636 12 15 47 18.9 240.4 3.7 39.4 -5 788 No stop 20 24 30 =0828-064 12 17 18 18.6 240.7 3.8 39.6 85 800 20 23 01 20 28 00 4C39.25 12 20 48 57.7 277.0 2.9 67.8 128 800 20 28 00 20 33 00 --- 12 25 49 56.8 277.6 3.0 67.6 300 838 20 28 01 20 43 00 J0830-0636 12 35 51 15.7 244.4 4.1 41.2 518 838 20 43 00 20 44 30 =0828-064 12 37 21 15.4 244.7 4.1 41.3 90 850 20 43 01 20 44 30 MRK1216 12 37 21 14.8 244.8 4.1 41.4 -4 850 No stop 20 48 30 --- 12 41 22 14.2 245.6 4.2 41.8 236 881 20 44 31 20 48 30 J0830-0636 12 41 22 14.8 245.4 4.2 41.6 -4 881 No stop 20 50 00 =0828-064 12 42 52 14.5 245.7 4.2 41.8 86 892 20 48 31 Schedule for URUMQI (Code Ur ) Page 5 Red Nuggests 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 ---------------------------------------------------------------------------------------- --- Thu 20 Feb 2025 Day 51 --- 20 50 00 MRK1216 12 42 52 13.9 245.9 4.2 41.9 -4 892 No stop 20 54 00 --- 12 46 52 13.3 246.6 4.3 42.2 236 923 20 50 01 20 54 30 J0830-0636 12 47 23 13.8 246.6 4.3 42.1 26 923 20 54 30 20 55 30 =0828-064 12 48 23 13.6 246.8 4.3 42.2 60 931 20 54 31 20 55 30 MRK1216 12 48 23 13.0 246.9 4.3 42.3 -4 931 No stop 20 59 30 --- 12 52 23 12.3 247.7 4.4 42.6 236 962 20 55 31 20 59 30 J0830-0636 12 52 23 12.9 247.5 4.3 42.5 -4 962 No stop 21 01 00 =0828-064 12 53 54 12.7 247.8 4.4 42.6 86 973 20 59 31 21 01 00 MRK1216 12 53 54 12.1 248.0 4.4 42.7 -4 973 No stop 21 05 00 --- 12 57 54 11.4 248.7 4.5 42.9 236 1004 21 01 01 21 05 30 J0830-0636 12 58 24 11.9 248.7 4.4 42.9 26 1004 21 05 30 21 06 30 =0828-064 12 59 24 11.7 248.8 4.5 43.0 60 1012 21 05 31 21 06 30 MRK1216 12 59 24 11.1 249.0 4.5 43.0 -4 1012 No stop 21 10 30 --- 13 03 25 10.5 249.7 4.6 43.3 236 1042 21 06 31 21 10 30 J0830-0636 13 03 25 11.1 249.6 4.5 43.2 -4 1042 No stop 21 12 00 =0828-064 13 04 55 10.8 249.9 4.5 43.3 86 1054 21 10 31 21 12 00 MRK1216 13 04 55 10.2 250.0 4.6 43.4 -4 1054 No stop 21 16 00 --- 13 08 56 9.5 250.7 4.6 43.7 236 1085 21 12 01 21 16 30 J0830-0636 13 09 26 10.0 250.7 4.6 43.6 26 1085 21 16 30 21 17 30 =0828-064 13 10 26 9.9 250.9 4.6 43.7 60 1092 21 16 31 22 22 30 4C39.25 14 15 37 37.5 291.3 4.8 60.3 3819 1092 22 22 30 22 27 30 --- 14 20 38 36.7 291.9 4.9 59.9 300 1131 22 22 31 --- Fri 21 Feb 2025 Day 52 --- 00 25 30 4C39.25 16 18 57 18.0 307.0 6.8 48.1 7077 1131 00 25 30 00 30 00 --- 16 23 28 17.4 307.6 6.9 47.6 270 1165 00 25 31 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess125.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: 8 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= 186.00 186.00 186.00 186.00 186.00 186.00 186.00 186.00 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= 1440.49 1440.49 1440.49 1440.49 1504.49 1504.49 1504.49 1504.49 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) * MRK1216 08 26 19.790511 * 08 28 47.110000 08 30 02.379772 0.00 -06 46 22.96081 *-06 56 24.50000 -07 01 31.12857 0.00 From catalog imbedded in main SCHED input file. * J0827-0708 08 24 39.080163 * 08 27 06.167617 08 28 21.317220 0.00 -06 58 50.25170 *-07 08 45.89819 -07 13 49.57150 0.00 From catalog imbedded in main SCHED input file. 0828-064 08 28 22.066150 * 08 30 49.744063 08 32 05.198449 0.16 * J0830-0636 -06 26 11.33893 *-06 36 19.99111 -06 41 30.18078 0.36 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 82 observations. * 4C39.25 09 23 55.319216 * 09 27 03.013937 09 28 39.211077 0.31 J0927+3902 39 15 23.56644 * 39 02 20.85185 38 55 45.33705 0.16 0923+392 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc J0927+39 GSFC 2016a X/S astro solution, 250526 observations. * 3C286 13 28 49.657769 * 13 31 08.288061 13 32 19.199008 0.17 J1331+3030 30 45 58.64066 * 30 30 32.95930 30 22 30.66870 0.16 1328+307 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc J1331+30 GSFC 2016a X/S astro solution, 269 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 MRK1216 sess125.L1024 1 2 3 4 5 6 7 8 9 10 3.408 229.607 J0827-0708 sess125.L1024 1 2 3 4 5 6 7 8 9 10 0.175 12.310 J0830-0636 sess125.L1024 1 2 3 4 5 6 7 8 9 10 1.275 78.493 4C39.25 sess125.L1024 1 2 3 4 5 6 7 8 9 10 0.325 25.522 3C286 sess125.L1024 10 0.100 0.746 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) MRK1216 147.9 J0827-0708 147.4 J0830-0636 148.5 4C39.25 149.6 3C286 130.8 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