COVER INFORMATION Station: HART (Code Hh ) Experiment: EVN observations of CSOs at 1.3cm (Session 2) Exp. Code: EY045B Schedule Version: 1.00 Processed by SCHED version: 11.60 Release 11.6; April 2020 PI: Xi Yan Address: Calaxy and Cosmology Group Xinjiang Astronomical Observatory (XAO), CAS 150 Science 1-Street, Urumqi 830011, China Phone: +86 17335173376 EMAIL: yanxi@xao.ac.cn Fax: Phone during observation: +86 17335173376 Observing mode: vlbi Notes: Target 1: J1148+5924(NGC3894), 0.4 Jy at KVN22GHz; 0.3 Jy at VLBA15GHz. Calibrator: J1128+5925/NGC3998) Target 2: J1347+1217 (1 Jy at 22GHz and 43GHz) Exclude the third target due to the absence of suitable PRing-source. Fringe Finder: J1058+8114 (0.9Jy at 24GHz, compact) Schedule for HART (Code Hh ) Page 2 EVN observations of CSOs at 1.3cm (Session 2) 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 26 Feb 2025 Day 57 --- Next scan frequencies: 22139.49 22139.49 22139.49 22139.49 22203.49 22203.49 22203.49 22203.49 22267.49 22267.49 22267.49 22267.49 22331.49 22331.49 22331.49 22331.49 Next BBC frequencies: 659.49 659.49 659.49 659.49 723.49 723.49 723.49 723.49 787.49 787.49 787.49 787.49 851.49 851.49 851.49 851.49 Next scan bandwidths: 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 21 00 00 1156+295 09 18 34 22.6 38.0 -2.7 0.0 0 0 21 00 00 21 03 30 --- 09 22 05 23.1 37.4 -2.6 0.0 210 54 21 00 01 22 46 30 J1347+1217 11 05 22 35.0 51.3 -2.7 0.0 6099 54 22 46 30 22 48 30 =1345+125 11 07 22 35.3 50.9 -2.7 0.0 120 85 22 46 31 22 48 30 J1347+1217 11 07 22 35.3 50.9 -2.7 0.0 -20 85 No stop 22 52 30 =1345+125 11 11 23 36.0 50.0 -2.6 0.0 220 147 22 48 31 22 52 30 J1347+1217 11 11 23 36.0 50.0 -2.6 0.0 -20 147 No stop 22 56 30 =1345+125 11 15 24 36.7 49.2 -2.6 0.0 220 209 22 52 31 22 56 30 J1347+1217 11 15 24 36.7 49.2 -2.6 0.0 -20 209 No stop 23 00 30 =1345+125 11 19 24 37.4 48.3 -2.5 0.0 220 271 22 56 31 23 01 00 J1347+1217 11 19 54 37.5 48.2 -2.5 0.0 9 271 23 01 00 23 05 00 =1345+125 11 23 55 38.1 47.3 -2.4 0.0 240 332 23 01 01 23 05 00 J1347+1217 11 23 55 38.1 47.3 -2.4 0.0 -20 332 No stop 23 09 00 =1345+125 11 27 56 38.8 46.3 -2.3 0.0 220 394 23 05 01 23 09 30 J1347+1217 11 28 26 38.9 46.2 -2.3 0.0 9 394 23 09 30 23 13 30 =1345+125 11 32 26 39.5 45.3 -2.3 0.0 240 456 23 09 31 23 13 30 J1347+1217 11 32 26 39.5 45.3 -2.3 0.0 -20 456 No stop 23 18 00 =1345+125 11 36 57 40.2 44.2 -2.2 0.0 250 526 23 13 31 23 18 00 J1347+1217 11 36 57 40.2 44.2 -2.2 0.0 -20 526 No stop 23 22 30 =1345+125 11 41 28 40.9 43.0 -2.1 0.0 250 595 23 18 01 23 23 00 J1347+1217 11 41 58 41.0 42.9 -2.1 0.0 9 595 23 23 00 23 27 00 =1345+125 11 45 59 41.6 41.9 -2.0 0.0 240 657 23 23 01 23 27 00 J1347+1217 11 45 59 41.6 41.9 -2.0 0.0 -20 657 No stop 23 31 30 =1345+125 11 50 29 42.3 40.7 -2.0 0.0 250 727 23 27 01 23 31 30 J1347+1217 11 50 29 42.3 40.7 -2.0 0.0 -20 727 No stop 23 36 00 =1345+125 11 55 00 42.9 39.5 -1.9 0.0 250 796 23 31 31 Schedule for HART (Code Hh ) Page 3 EVN observations of CSOs at 1.3cm (Session 2) 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 26 Feb 2025 Day 57 --- 23 36 30 J1347+1217 11 55 30 43.0 39.4 -1.9 0.0 9 796 23 36 30 23 40 30 =1345+125 11 59 31 43.6 38.3 -1.8 0.0 240 858 23 36 31 23 40 30 J1347+1217 11 59 31 43.6 38.3 -1.8 0.0 -20 858 No stop 23 45 00 =1345+125 12 04 02 44.2 37.0 -1.7 0.0 250 927 23 40 31 23 45 00 J1347+1217 12 04 02 44.2 37.0 -1.7 0.0 -20 927 No stop 23 49 30 =1345+125 12 08 32 44.8 35.7 -1.7 0.0 250 997 23 45 01 23 50 00 J1347+1217 12 09 02 44.9 35.6 -1.7 0.0 9 997 23 50 00 23 54 00 =1345+125 12 13 03 45.4 34.4 -1.6 0.0 240 1059 23 50 01 23 54 00 J1347+1217 12 13 03 45.4 34.4 -1.6 0.0 -20 1059 No stop 23 58 30 =1345+125 12 17 34 45.9 33.0 -1.5 0.0 250 1128 23 54 01 --- Start: Wed 26 Feb 2025 Day 57 -- Stop: Thu 27 Feb 2025 Day 58 --- 23 58 30 J1347+1217 12 17 34 45.9 33.0 -1.5 0.0 -20 1128 No stop 00 03 00 =1345+125 12 22 05 46.5 31.6 -1.4 0.0 250 1198 23 58 31 00 03 30 J1347+1217 12 22 35 46.5 31.5 -1.4 0.0 9 1198 00 03 30 00 07 30 =1345+125 12 26 35 47.0 30.2 -1.4 0.0 240 1260 00 03 31 00 07 30 J1347+1217 12 26 35 47.0 30.2 -1.4 0.0 -20 1260 No stop 00 12 00 =1345+125 12 31 06 47.5 28.8 -1.3 0.0 250 1329 00 07 31 00 12 00 J1347+1217 12 31 06 47.5 28.8 -1.3 0.0 -20 1329 No stop 00 16 30 =1345+125 12 35 37 48.0 27.3 -1.2 0.0 250 1399 00 12 01 00 17 00 J1347+1217 12 36 07 48.0 27.1 -1.2 0.0 9 1399 00 17 00 00 21 00 =1345+125 12 40 07 48.4 25.8 -1.1 0.0 240 1461 00 17 01 00 21 00 J1347+1217 12 40 07 48.4 25.8 -1.1 0.0 -20 1461 No stop 00 25 30 =1345+125 12 44 38 48.9 24.2 -1.1 0.0 250 1530 00 21 01 00 25 30 J1347+1217 12 44 38 48.9 24.2 -1.1 0.0 -20 1530 No stop 00 30 00 =1345+125 12 49 09 49.3 22.7 -1.0 0.0 250 1600 00 25 31 00 30 30 J1347+1217 12 49 39 49.3 22.5 -1.0 0.0 9 1600 00 30 30 00 34 30 =1345+125 12 53 40 49.7 21.1 -0.9 0.0 240 1662 00 30 31 00 34 30 J1347+1217 12 53 40 49.7 21.1 -0.9 0.0 -20 1662 No stop 00 39 00 =1345+125 12 58 10 50.0 19.5 -0.8 0.0 250 1731 00 34 31 Schedule for HART (Code Hh ) Page 4 EVN observations of CSOs at 1.3cm (Session 2) 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 27 Feb 2025 Day 58 --- 00 39 00 J1347+1217 12 58 10 50.0 19.5 -0.8 0.0 -20 1731 No stop 00 43 30 =1345+125 13 02 41 50.3 17.8 -0.8 0.0 250 1801 00 39 01 00 44 30 J1347+1217 13 03 41 50.4 17.5 -0.8 0.0 39 1801 00 44 30 00 49 00 =1345+125 13 08 12 50.7 15.8 -0.7 0.0 270 1870 00 44 31 00 49 00 J1347+1217 13 08 12 50.7 15.8 -0.7 0.0 -20 1870 No stop 00 53 00 =1345+125 13 12 13 50.9 14.3 -0.6 0.0 220 1932 00 49 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess125.K2048 --- 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: 4 Station: HART Total bit rate: 2048 Format: VDIF Bits per sample: 2 Sample rate: 64.000 Number of channels: 16 DBE type: DBBC_DDC Speedup factor: 1.00 Disk used to record data. 1st LO= 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 21480.00 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 = A1 C1 A1 C1 A1 C1 A1 C1 A1 C1 A1 C1 A1 C1 A1 C1 The following frequency sets based on these setups were used. Frequency Set: 8 Setup file default. Used with PCAL = off LO sum= 22139.49 22139.49 22139.49 22139.49 22203.49 22203.49 22203.49 22203.49 22267.49 22267.49 22267.49 22267.49 22331.49 22331.49 22331.49 22331.49 BBC fr= 659.49 659.49 659.49 659.49 723.49 723.49 723.49 723.49 787.49 787.49 787.49 787.49 851.49 851.49 851.49 851.49 Bandwd= 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 Matching frequency sets: 8 9 Track assignments are: track1= 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * NGC3998 11 55 20.947530 * 11 57 56.133331 11 59 16.874136 0.00 55 43 54.65353 * 55 27 12.92205 55 18 37.42249 0.00 From catalog imbedded in main SCHED input file. 1053+815 10 53 36.229432 * 10 58 11.535369 11 00 37.853651 0.03 * J1058+8114 81 30 35.56783 * 81 14 32.67518 81 06 23.71190 0.00 J1058+81 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 35777 observations. 1125+596 11 25 23.181651 * 11 28 13.340676 11 29 41.945018 0.11 * J1128+5925 59 41 46.14385 * 59 25 14.79854 59 16 47.30813 0.06 J1128+59 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 477 observations. * NGC3894 11 46 10.410918 * 11 48 50.358256 11 50 13.820333 0.36 J1148+5924 59 41 36.72438 * 59 24 56.38192 59 16 22.53506 0.19 1146+596 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 120 observations. * 1156+295 11 56 57.786211 * 11 59 31.833912 12 00 50.969786 0.00 J1159+2914 29 31 25.73880 * 29 14 43.82690 29 06 08.48410 0.00 J1159+29 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 78215 observations. * 3C286 13 28 49.657769 * 13 31 08.288061 13 32 19.394240 0.17 J1331+3030 30 45 58.64066 * 30 30 32.95930 30 22 30.58841 0.16 1328+307 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc J1331+30 GSFC 2016a X/S astro solution, 269 observations. 1345+125 13 45 06.171234 * 13 47 33.361612 13 48 48.446212 0.10 * J1347+1217 12 32 20.33883 * 12 17 24.24015 12 09 39.64632 0.21 J1347+12 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 201 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 NGC3998 sess125.K2048 1 2 3 6 7 8 10 11 12 13 14 + 0.867 71.210 J1058+8114 sess125.K2048 1 2 3 6 7 8 10 11 12 13 14 + 0.050 5.247 J1128+5925 sess125.K2048 1 2 3 6 7 8 10 11 12 13 14 + 0.150 18.843 NGC3894 sess125.K2048 1 2 3 6 7 8 10 11 12 13 14 + 2.200 260.287 1156+295 sess125.K2048 1 2 3 6 7 8 10 11 12 13 14 + 0.058 8.925 3C286 sess125.K2048 2 14 0.050 0.500 J1347+1217 sess125.K2048 1 2 3 6 7 8 10 11 12 13 14 + 2.025 277.350 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) NGC3998 130.5 J1058+8114 107.2 J1128+5925 128.2 NGC3894 127.4 1156+295 152.0 3C286 134.4 J1347+1217 133.7 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