COVER INFORMATION Station: ZELENCHK (Code Zc ) Experiment: Verify Gaia Astrometric Results using Radio Stars Exp. Code: EZ029A Schedule Version: 2.00 Processed by SCHED version: 11.50 Development version 11.5. Started Apr. 2 PI: Bo Zhang Address: Shanghai Astronomical Observatory 80 Nandan Road 200030 Shanghai P. R. China Phone: +86 3477 5508 EMAIL: zb@shao.ac.cn Fax: +86 3477 5508 Phone during observation: +86 3477 5508 Observing mode: Phase-referencing at 3.6 cm (1024 Mb/s) Notes: Schedule for ZELENCHK (Code Zc ) Page 2 Verify Gaia Astrometric Results using Radio Stars 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 ---------------------------------------------------------------------------------------- --- Wed 12 Jun 2019 Day 163 --- Next scan frequencies: 8367.49 8367.49 8367.49 8367.49 8399.49 8399.49 8399.49 8399.49 8431.49 8431.49 8431.49 8431.49 8463.49 8463.49 8463.49 8463.49 Next BBC frequencies: 287.49 287.49 287.49 287.49 319.49 319.49 319.49 319.49 351.49 351.49 351.49 351.49 383.49 383.49 383.49 383.49 Next scan bandwidths: 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 23 30 00 J2236+2828 19 40 16 51.7 458.3 -3.0 -54.4 0 0 23 30 00 23 32 00 =2234+282 19 42 16 52.1 458.8 -2.9 -54.3 120 15 23 30 01 --- Thu 13 Jun 2019 Day 164 --- 00 36 29 HD_200391 20 46 56 73.8 527.0 -0.3 -10.6 3815 15 00 36 29 00 38 29 --- 20 48 56 73.8 528.6 -0.2 -9.3 120 31 00 36 30 00 38 29 J2114+2832 20 48 56 73.9 518.2 -0.4 -17.7 -33 31 No stop 00 39 59 --- 20 50 26 74.0 519.4 -0.4 -16.8 57 42 00 38 30 00 39 59 HD_200391 20 50 26 73.9 529.7 -0.2 -8.4 -34 42 No stop 00 41 59 --- 20 52 27 73.9 531.3 -0.2 -7.1 86 58 00 40 00 00 42 39 J2114+2832 20 53 07 74.2 521.4 -0.4 -15.2 7 58 00 42 39 00 44 09 --- 20 54 37 74.3 522.6 -0.4 -14.2 90 69 00 42 40 00 44 09 HD_200391 20 54 37 74.0 533.0 -0.1 -5.7 -34 69 No stop 00 46 09 --- 20 56 37 74.0 534.7 -0.1 -4.4 86 85 00 44 10 00 46 09 J2114+2832 20 56 37 74.4 524.2 -0.3 -12.9 -33 85 No stop 00 47 39 --- 20 58 08 74.4 525.4 -0.3 -12.0 57 96 00 46 10 00 47 39 HD_200391 20 58 08 74.1 535.9 -0.1 -3.4 -34 96 No stop 00 49 39 --- 21 00 08 74.1 537.5 -0.1 -2.1 86 112 00 47 40 00 50 19 J2114+2832 21 00 48 74.5 527.5 -0.3 -10.2 7 112 00 50 19 00 51 49 --- 21 02 18 74.6 528.8 -0.2 -9.2 90 123 00 50 20 00 51 49 HD_200391 21 02 18 74.1 539.2 -0.0 -0.6 -34 123 No stop 00 53 49 --- 21 04 19 74.1 540.8 0.0 0.7 86 138 00 51 50 00 53 49 J2114+2832 21 04 19 74.7 530.4 -0.2 -7.9 -33 138 No stop 00 55 19 --- 21 05 49 74.7 531.7 -0.2 -6.9 57 150 00 53 50 01 18 59 J2253+1608 21 29 32 57.1 500.0 -1.4 -28.9 1355 150 01 18 59 01 19 59 --- 21 30 32 57.2 500.4 -1.4 -28.6 60 158 01 19 00 Schedule for ZELENCHK (Code Zc ) Page 3 Verify Gaia Astrometric Results using Radio Stars 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 13 Jun 2019 Day 164 --- 01 19 59 IM_PEG 21 30 32 57.9 500.2 -1.4 -28.9 -13 158 No stop 01 21 59 --- 21 32 33 58.1 500.9 -1.4 -28.4 107 173 01 20 00 01 21 59 J2253+1608 21 32 33 57.4 501.2 -1.4 -28.1 -12 173 No stop 01 23 29 --- 21 34 03 57.6 501.8 -1.3 -27.7 78 185 01 22 00 01 23 29 IM_PEG 21 34 03 58.3 501.6 -1.3 -28.0 -13 185 No stop 01 25 29 --- 21 36 03 58.5 502.4 -1.3 -27.4 107 200 01 23 30 01 25 59 J2253+1608 21 36 33 57.8 502.8 -1.3 -27.0 17 200 01 25 59 01 27 29 --- 21 38 04 58.0 503.4 -1.3 -26.6 90 212 01 26 00 01 27 29 IM_PEG 21 38 04 58.7 503.2 -1.3 -26.9 -13 212 No stop 01 29 29 --- 21 40 04 58.9 504.0 -1.2 -26.3 107 227 01 27 30 01 29 29 J2253+1608 21 40 04 58.2 504.2 -1.2 -26.1 -13 227 No stop 01 30 59 --- 21 41 34 58.4 504.8 -1.2 -25.7 77 238 01 29 30 01 30 59 IM_PEG 21 41 34 59.1 504.6 -1.2 -25.9 -13 238 No stop 01 32 59 --- 21 43 35 59.3 505.5 -1.2 -25.3 107 254 01 31 00 01 33 29 J2253+1608 21 44 05 58.6 505.9 -1.2 -25.0 17 254 01 33 29 01 34 59 --- 21 45 35 58.8 506.5 -1.2 -24.5 90 265 01 33 30 01 36 19 J2320+0513 21 46 55 46.3 504.6 -1.6 -24.8 40 265 01 36 19 01 37 19 --- 21 47 55 46.4 505.0 -1.6 -24.6 60 273 01 36 20 01 37 19 SZ_PSC 21 47 55 44.7 508.8 -1.4 -22.0 -23 273 No stop 01 39 19 --- 21 49 56 44.9 509.5 -1.4 -21.5 97 288 01 37 20 01 39 19 J2320+0513 21 49 56 46.6 505.6 -1.5 -24.2 -22 288 No stop 01 40 49 --- 21 51 26 46.7 506.1 -1.5 -23.8 68 300 01 39 20 01 40 49 SZ_PSC 21 51 26 45.1 510.0 -1.4 -21.2 -23 300 No stop 01 42 49 --- 21 53 26 45.2 510.6 -1.3 -20.8 97 315 01 40 50 01 43 19 J2320+0513 21 53 56 47.0 507.0 -1.5 -23.3 8 315 01 43 19 01 44 49 --- 21 55 26 47.1 507.5 -1.4 -23.0 90 327 01 43 20 01 44 49 SZ_PSC 21 55 26 45.4 511.3 -1.3 -20.3 -23 327 No stop 01 46 49 --- 21 57 27 45.6 512.0 -1.3 -19.9 97 342 01 44 50 01 46 49 J2320+0513 21 57 27 47.3 508.1 -1.4 -22.5 -22 342 No stop 01 48 19 --- 21 58 57 47.5 508.6 -1.4 -22.2 68 354 01 46 50 Schedule for ZELENCHK (Code Zc ) Page 4 Verify Gaia Astrometric Results using Radio Stars 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 13 Jun 2019 Day 164 --- 01 48 19 SZ_PSC 21 58 57 45.7 512.5 -1.3 -19.5 -23 354 No stop 01 50 19 --- 22 00 57 45.9 513.1 -1.2 -19.1 97 369 01 48 20 01 50 49 J2320+0513 22 01 27 47.7 509.5 -1.3 -21.6 8 369 01 50 49 01 52 19 --- 22 02 58 47.8 510.0 -1.3 -21.2 90 381 01 50 50 01 52 19 SZ_PSC 22 02 58 46.0 513.8 -1.2 -18.6 -23 381 No stop 01 54 19 --- 22 04 58 46.2 514.5 -1.2 -18.1 97 396 01 52 20 01 54 19 J2320+0513 22 04 58 48.0 510.7 -1.3 -20.8 -22 396 No stop 01 55 49 --- 22 06 28 48.1 511.2 -1.3 -20.4 68 408 01 54 20 01 57 59 J2236+2828 22 08 39 73.7 517.0 -0.5 -18.7 64 408 01 57 59 01 59 59 =2234+282 22 10 39 73.9 518.5 -0.4 -17.5 120 423 01 58 00 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess219.X1024 Matching groups in /home/guest/rmc/SCHED/sched11.5/catalogs/freq_RDBE.dat: kvzr_x Added by Des Small, 24 February 2012 Setup group: 2 Station: ZELENCHK Total bit rate: 1024 Format: MARK5B Bits per sample: 2 Sample rate: 32.000 Number of channels: 16 DBE type: Speedup factor: 1.00 Disk used to record data. 1st LO= 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 Net SB= L L U U L L U U L L U U L L U U IF SB = U U U U U U U U U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 9 1 9 2 10 2 10 3 11 3 11 4 12 4 12 BBC SB= L L U U L L U U L L U U L L U U IF = A B A B A B A B A B A B A B A B The following frequency sets based on these setups were used. Frequency Set: 9 Setup file default. Used with PCAL = off LO sum= 8367.49 8367.49 8367.49 8367.49 8399.49 8399.49 8399.49 8399.49 8431.49 8431.49 8431.49 8431.49 8463.49 8463.49 8463.49 8463.49 BBC fr= 287.49 287.49 287.49 287.49 319.49 319.49 319.49 319.49 351.49 351.49 351.49 351.49 383.49 383.49 383.49 383.49 Bandwd= 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 Matching frequency sets: 9 10 11 Track assignments are: track1= 18, 26, 2, 10, 20, 28, 4, 12, 22, 30, 6, 14, 24, 32, 8, 16 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * HD_193576 20 17 42.583901 * 20 19 32.423000 20 20 15.749327 0.00 38 34 24.15463 * 38 43 53.95820 38 47 26.72984 0.00 From catalog imbedded in main SCHED input file. * HD_193793 20 18 46.677522 * 20 20 27.976300 20 21 08.153300 0.00 43 41 42.91678 * 43 51 16.28980 43 54 49.39419 0.00 From catalog imbedded in main SCHED input file. * HD_199178 20 52 07.330401 * 20 53 53.652200 20 54 35.601533 0.00 44 11 44.51223 * 44 23 11.07820 44 27 25.55350 0.00 From catalog imbedded in main SCHED input file. * HD_200391 21 00 16.783937 * 21 02 25.906900 21 03 16.234185 0.00 27 36 33.70864 * 27 48 26.43980 27 52 54.31213 0.00 From catalog imbedded in main SCHED input file. * RT_LAC 21 59 28.834487 * 22 01 30.740800 22 02 18.252180 0.00 43 38 56.84128 * 43 53 25.64020 43 58 46.70149 0.00 From catalog imbedded in main SCHED input file. * IM_PEG 22 50 34.368761 * 22 53 02.265900 22 53 59.085115 0.00 16 34 30.25623 * 16 50 28.29150 16 56 29.29801 0.00 From catalog imbedded in main SCHED input file. * SZ_PSC 23 10 50.615120 * 23 13 23.775000 23 14 22.386219 0.00 02 24 11.23087 * 02 40 31.58720 02 46 45.35347 0.00 From catalog imbedded in main SCHED input file. * J2015+3710 20 13 37.014514 * 20 15 28.729800 20 16 12.758456 0.00 37 01 44.45912 * 37 10 59.51500 37 14 27.16414 0.00 From catalog imbedded in main SCHED input file. * J2012+4628 20 10 30.808847 * 20 12 05.637200 20 12 43.450659 0.00 46 19 52.60253 * 46 28 55.77800 46 32 17.33748 0.00 From catalog imbedded in main SCHED input file. * J2102+4702 21 00 33.500093 * 21 02 17.056000 21 02 57.970527 0.00 46 50 23.37703 * 47 02 16.25400 47 06 39.81693 0.00 From catalog imbedded in main SCHED input file. * J2114+2832 21 12 48.541667 * 21 14 58.333600 21 15 48.866960 0.00 28 20 27.03375 * 28 32 57.19700 28 37 38.67213 0.00 From catalog imbedded in main SCHED input file. * J2153+4322 21 51 50.295731 * 21 53 50.959100 21 54 38.032113 0.00 43 08 42.84453 * 43 22 54.50100 43 28 09.45108 0.00 From catalog imbedded in main SCHED input file. * J2253+1608 22 51 29.519701 * 22 53 57.747900 22 54 54.682853 0.00 15 52 54.34817 * 16 08 53.56100 16 14 55.21703 0.00 From catalog imbedded in main SCHED input file. * J2320+0513 23 18 12.130378 * 23 20 44.856600 23 21 43.280636 0.00 04 57 23.44689 * 05 13 49.95300 05 20 04.98108 0.00 From catalog imbedded in main SCHED input file. 2234+282 22 34 01.728804 * 22 36 22.470849 22 37 16.757226 0.11 * J2236+2828 28 13 23.21056 * 28 28 57.41328 28 34 46.21513 0.10 /home/guest/rmc/SCHED/sched11.5/catalogs/sources.rfc rfc_2018a Petrov and Kovalev, in preparation 95773 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 HD_193576 sess219.X1024 1 2 3 4 5 6 7 9 0.167 6.176 HD_193793 sess219.X1024 1 2 3 4 5 6 7 9 0.167 5.972 HD_199178 sess219.X1024 1 2 3 4 5 6 7 9 0.167 5.782 HD_200391 sess219.X1024 1 2 3 4 5 6 7 9 0.167 6.552 RT_LAC sess219.X1024 1 2 3 4 5 6 7 9 0.167 6.226 IM_PEG sess219.X1024 1 2 3 4 5 6 7 9 0.133 6.400 SZ_PSC sess219.X1024 1 2 3 4 5 6 7 9 0.167 7.380 J2015+3710 sess219.X1024 1 2 3 4 5 6 7 9 0.142 5.499 J2012+4628 sess219.X1024 1 2 3 4 5 6 7 9 0.142 5.377 J2102+4702 sess219.X1024 1 2 3 4 5 6 7 9 0.158 5.974 J2114+2832 sess219.X1024 1 2 3 4 5 6 7 9 0.125 5.629 J2153+4322 sess219.X1024 1 2 3 4 5 6 7 9 0.142 5.556 J2253+1608 sess219.X1024 1 2 3 4 5 6 7 9 0.117 5.955 J2320+0513 sess219.X1024 1 2 3 4 5 6 7 9 0.142 6.664 J2236+2828 sess219.X1024 1 2 3 4 5 6 7 9 0.067 3.667 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) HD_193576 105.6 HD_193793 101.6 HD_199178 97.1 HD_200391 106.5 RT_LAC 87.6 IM_PEG 90.0 SZ_PSC 91.2 J2015+3710 107.3 J2012+4628 100.6 J2102+4702 94.2 J2114+2832 103.9 J2153+4322 89.0 J2253+1608 90.1 J2320+0513 88.5 J2236+2828 88.6 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