COVER INFORMATION Station: HART (Code Hh ) Experiment: RQ Seyferts: group 2 Exp. Code: EC090B Schedule Version: 2.00 Processed by SCHED version: 11.60 Release 11.6; April 2020 PI: Chang Address: Xinjiang Astronomical observatory, CAS 150 Science 1-street Urumqi, Xinjiang China Phone: +8615640694815 EMAIL: changning@xao.ac.cn Fax: Phone during observation: +8615640694815 Observing mode: vlbi Notes: # Please, make sure PHASE CAL is OFF # Schedule for HART (Code Hh ) Page 2 RQ Seyferts: group 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 ---------------------------------------------------------------------------------------- --- Sun 3 Mar 2024 Day 63 --- Next scan frequencies: 1626.49 1626.49 1626.49 1626.49 1690.49 1690.49 1690.49 1690.49 Next BBC frequencies: 116.49 116.49 116.49 116.49 180.49 180.49 180.49 180.49 Next scan bandwidths: 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 12 30 00 J0237+2848 01 07 51 31.0 23.4 -1.5 0.0 0 0 12 30 00 12 33 00 --- 01 10 51 31.2 22.7 -1.5 0.0 180 23 12 30 01 12 35 30 J0506+2141 01 13 22 15.8 55.6 -3.9 0.0 49 23 12 35 30 12 36 10 --- 01 14 02 16.0 55.5 -3.9 0.0 40 28 12 35 31 12 36 10 LEDA097068 01 14 02 15.8 53.9 -3.8 0.0 -29 28 No stop 12 38 10 --- 01 16 02 16.2 53.6 -3.8 0.0 91 44 12 36 11 12 38 10 J0506+2141 01 16 02 16.3 55.2 -3.9 0.0 -29 44 No stop 12 39 20 --- 01 17 12 16.6 55.0 -3.8 0.0 41 53 12 38 11 12 39 20 LEDA097068 01 17 12 16.4 53.4 -3.8 0.0 -29 53 No stop 12 41 20 --- 01 19 13 16.8 53.1 -3.8 0.0 91 68 12 39 21 12 41 50 J0506+2141 01 19 43 17.0 54.6 -3.8 0.0 1 68 12 41 50 12 42 30 --- 01 20 23 17.1 54.5 -3.8 0.0 40 73 12 41 51 12 42 30 LEDA097068 01 20 23 17.0 52.9 -3.7 0.0 -29 73 No stop 12 44 30 --- 01 22 23 17.3 52.6 -3.7 0.0 91 89 12 42 31 12 44 30 J0506+2141 01 22 23 17.5 54.2 -3.8 0.0 -29 89 No stop 12 45 40 --- 01 23 33 17.7 54.1 -3.7 0.0 41 98 12 44 31 12 45 40 LEDA097068 01 23 33 17.5 52.4 -3.7 0.0 -29 98 No stop 12 47 40 --- 01 25 34 17.9 52.1 -3.6 0.0 91 113 12 45 41 12 48 10 J0506+2141 01 26 04 18.2 53.7 -3.7 0.0 1 113 12 48 10 12 48 50 --- 01 26 44 18.3 53.6 -3.7 0.0 40 119 12 48 11 12 48 50 LEDA097068 01 26 44 18.1 52.0 -3.6 0.0 -29 119 No stop 12 50 50 --- 01 28 44 18.5 51.6 -3.6 0.0 91 134 12 48 51 12 50 50 J0506+2141 01 28 44 18.7 53.3 -3.7 0.0 -29 134 No stop 12 52 00 --- 01 29 54 18.9 53.1 -3.6 0.0 41 143 12 50 51 12 52 00 LEDA097068 01 29 54 18.7 51.5 -3.6 0.0 -29 143 No stop 12 54 00 --- 01 31 55 19.0 51.1 -3.5 0.0 91 158 12 52 01 12 54 30 J0506+2141 01 32 25 19.3 52.7 -3.6 0.0 1 158 12 54 30 12 55 10 --- 01 33 05 19.4 52.6 -3.6 0.0 40 164 12 54 31 Schedule for HART (Code Hh ) Page 3 RQ Seyferts: group 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 ---------------------------------------------------------------------------------------- --- Sun 3 Mar 2024 Day 63 --- 12 55 10 LEDA097068 01 33 05 19.2 51.0 -3.5 0.0 -29 164 No stop 12 58 10 --- 01 36 05 19.8 50.5 -3.5 0.0 151 187 12 55 11 12 58 10 J0506+2141 01 36 05 20.0 52.1 -3.5 0.0 -29 187 No stop 12 59 20 --- 01 37 16 20.2 51.9 -3.5 0.0 41 196 12 58 11 13 02 20 J0248-1631 01 40 16 71.4 62.9 -1.1 0.0 77 196 13 02 20 13 03 00 --- 01 40 56 71.5 62.6 -1.1 0.0 40 201 13 02 21 13 03 00 NGC1125 01 40 56 70.9 64.4 -1.2 0.0 -27 201 No stop 13 05 00 --- 01 42 57 71.3 63.6 -1.2 0.0 93 216 13 03 01 13 05 00 J0248-1631 01 42 57 71.9 61.8 -1.1 0.0 -27 216 No stop 13 06 00 --- 01 43 57 72.1 61.3 -1.1 0.0 33 224 13 05 01 13 06 00 NGC1125 01 43 57 71.5 63.2 -1.1 0.0 -27 224 No stop 13 08 00 --- 01 45 57 71.9 62.3 -1.1 0.0 93 240 13 06 01 13 08 30 J0248-1631 01 46 27 72.6 60.2 -1.0 0.0 3 240 13 08 30 13 09 00 --- 01 46 57 72.7 60.0 -1.0 0.0 30 243 13 08 31 13 09 00 NGC1125 01 46 57 72.1 61.9 -1.1 0.0 -27 243 No stop 13 11 00 --- 01 48 58 72.5 61.0 -1.1 0.0 93 259 13 09 01 13 11 00 J0248-1631 01 48 58 73.1 59.0 -1.0 0.0 -27 259 No stop 13 12 00 --- 01 49 58 73.3 58.5 -1.0 0.0 33 267 13 11 01 13 12 00 NGC1125 01 49 58 72.7 60.5 -1.0 0.0 -27 267 No stop 13 14 00 --- 01 51 58 73.1 59.6 -1.0 0.0 93 282 13 12 01 13 14 30 J0248-1631 01 52 28 73.8 57.2 -0.9 0.0 3 282 13 14 30 13 15 00 --- 01 52 58 73.8 56.9 -0.9 0.0 30 286 13 14 31 13 15 00 NGC1125 01 52 58 73.2 59.1 -1.0 0.0 -27 286 No stop 13 17 00 --- 01 54 58 73.6 58.1 -1.0 0.0 93 301 13 15 01 13 17 00 J0248-1631 01 54 58 74.2 55.9 -0.9 0.0 -27 301 No stop 13 18 00 --- 01 55 59 74.4 55.3 -0.9 0.0 33 309 13 17 01 13 18 00 NGC1125 01 55 59 73.8 57.6 -0.9 0.0 -27 309 No stop 13 20 00 --- 01 57 59 74.2 56.5 -0.9 0.0 93 325 13 18 01 13 20 30 J0248-1631 01 58 29 74.9 53.8 -0.8 0.0 3 325 13 20 30 13 21 00 --- 01 58 59 75.0 53.5 -0.8 0.0 30 328 13 20 31 Schedule for HART (Code Hh ) Page 4 RQ Seyferts: group 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 ---------------------------------------------------------------------------------------- --- Sun 3 Mar 2024 Day 63 --- 13 21 00 NGC1125 01 58 59 74.4 55.9 -0.9 0.0 -27 328 No stop 13 23 00 --- 02 00 59 74.8 54.8 -0.9 0.0 93 344 13 21 01 13 23 00 J0248-1631 02 00 59 75.3 52.3 -0.8 0.0 -27 344 No stop 13 24 00 --- 02 02 00 75.5 51.6 -0.8 0.0 33 352 13 23 01 13 27 00 J0237+2848 02 05 00 34.6 9.1 -0.6 0.0 62 352 13 27 00 13 30 00 --- 02 08 01 34.7 8.3 -0.5 0.0 180 375 13 27 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess124.L1024 Matching groups in /home/guest/rmc/SCHED/sched11.6/catalogs/freq_RDBE.dat: hh18cm Values confirmed by E-mail Jonathan Quick 20140219 (CR) ****** Only 122.49 of 256.00 MHz total bandwidth is within the IFs in the setup file before any FREQ or DOPPLER shifts. Setup group: 5 Station: HART 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= 1510.00 1510.00 1510.00 1510.00 1510.00 1510.00 1510.00 1510.00 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: 9 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= 116.49 116.49 116.49 116.49 180.49 180.49 180.49 180.49 Bandwd= 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 Matching frequency sets: 9 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) * NGC1125 02 49 20.335061 * 02 51 40.468559 02 52 47.473809 0.00 -16 51 19.48217 *-16 39 02.01853 -16 33 15.53804 0.00 From catalog imbedded in main SCHED input file. * LEDA097068 04 59 57.072921 * 05 02 58.204889 05 04 25.564751 0.00 22 55 38.90315 * 22 59 52.06921 23 01 58.48186 0.00 From catalog imbedded in main SCHED input file. * J0248-1631 02 45 47.266492 * 02 48 07.732200 02 49 14.879714 0.00 -16 44 14.26854 *-16 31 46.38600 -16 25 54.88583 0.00 From catalog imbedded in main SCHED input file. * J0506+2141 05 03 34.528764 * 05 06 34.033300 05 08 00.630509 0.00 21 37 02.29553 * 21 41 00.16000 21 42 58.77400 0.00 From catalog imbedded in main SCHED input file. * J0237+2848 02 34 55.589590 * 02 37 52.405677 02 39 16.748661 0.00 28 35 11.40775 * 28 48 08.99000 28 54 27.42770 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 NGC1125 sess124.L1024 1 2 3 4 5 7 8 9 10 11 0.233 8.659 LEDA097068 sess124.L1024 1 2 3 4 5 6 7 8 9 10 11 0.250 11.525 J0248-1631 sess124.L1024 1 2 3 4 5 7 8 9 10 11 0.103 3.712 J0506+2141 sess124.L1024 1 2 3 4 5 6 7 8 9 10 11 0.122 5.319 J0237+2848 sess124.L1024 1 2 3 4 5 6 7 8 9 10 11 0.100 5.413 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) NGC1125 58.0 LEDA097068 93.8 J0248-1631 57.1 J0506+2141 94.5 J0237+2848 63.7 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