COVER INFORMATION Station: TIANMA65 (Code T6 ) Experiment: VLBI astronometry on the IMBH-TDE AT2018cqh Exp. Code: EY044A Schedule Version: 3.00 Processed by SCHED version: 11.60 Release 11.6; April 2020 PI: Jun Yang Address: Onsala Space Observatory SE-439 92 Onsala Sweden Phone: +46 31 7725531 EMAIL: jun.yang@chalmers.se Fax: +46 31 7725590 Phone during observation: +46 31 7725531 Observing mode: 4096-32-2 Notes: 4096 Mbps, 32x32 MHz, RCP & LCP, 2 bit sampling C Band/5 GHz, Phase-referencing observations Ef: scans 115-116 for pointing observations Schedule for TIANMA65 (Code T6 ) Page 2 VLBI astronometry on the IMBH-TDE AT2018cqh 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 27 Oct 2024 Day 301 --- Next scan frequencies: 4632.00 4632.00 4632.00 4632.00 4696.00 4696.00 4696.00 4696.00 4760.00 4760.00 4760.00 4760.00 4824.00 4824.00 4824.00 4824.00 4888.00 4888.00 4888.00 4888.00 4952.00 4952.00 4952.00 4952.00 5016.00 5016.00 5016.00 5016.00 5080.00 5080.00 5080.00 5080.00 Next BBC frequencies: 544.00 544.00 544.00 544.00 608.00 608.00 608.00 608.00 672.00 672.00 672.00 672.00 736.00 736.00 736.00 736.00 800.00 800.00 800.00 800.00 864.00 864.00 864.00 864.00 928.00 928.00 928.00 928.00 992.00 992.00 992.00 992.00 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 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 20 00 00 J0239-0234 06 31 13 25.9 249.6 3.8 53.4 0 0 20 00 00 20 02 20 =0237-027 06 33 33 25.4 250.0 3.9 53.6 140 72 20 00 01 20 03 00 R32J0231 06 34 14 24.5 252.6 4.0 54.8 33 72 20 03 00 20 03 30 --- 06 34 44 24.4 252.7 4.0 54.9 30 88 20 03 01 20 03 55 R32J0231 06 35 09 24.3 252.8 4.0 54.9 23 88 20 03 55 20 04 20 --- 06 35 34 24.2 252.9 4.0 54.9 25 100 20 03 56 20 04 40 AT2018CQH 06 35 54 24.7 252.7 4.0 54.9 16 100 20 04 40 20 06 30 --- 06 37 44 24.3 253.0 4.0 55.0 110 157 20 04 41 20 06 50 R32J0231 06 38 04 23.7 253.2 4.1 55.1 16 157 20 06 50 20 07 20 --- 06 38 34 23.6 253.3 4.1 55.1 30 173 20 06 51 20 07 40 R13J0234 06 38 54 24.2 253.3 4.1 55.1 15 173 20 07 40 20 09 30 --- 06 40 45 23.8 253.6 4.1 55.2 110 229 20 07 41 20 09 55 R32J0231 06 41 10 23.1 253.7 4.1 55.3 20 229 20 09 55 20 10 20 --- 06 41 35 23.0 253.8 4.1 55.3 25 242 20 09 56 20 10 40 AT2018CQH 06 41 55 23.4 253.6 4.1 55.3 16 242 20 10 40 20 12 30 --- 06 43 45 23.0 253.9 4.1 55.4 110 299 20 10 41 20 12 50 R32J0231 06 44 05 22.5 254.2 4.2 55.5 16 299 20 12 50 20 13 20 --- 06 44 35 22.4 254.3 4.2 55.5 30 314 20 12 51 20 13 40 R13J0234 06 44 55 23.0 254.2 4.2 55.5 15 314 20 13 40 20 15 30 --- 06 46 46 22.6 254.5 4.2 55.6 110 371 20 13 41 20 15 55 R32J0231 06 47 11 21.8 254.6 4.2 55.7 20 371 20 15 55 20 16 20 --- 06 47 36 21.7 254.7 4.2 55.7 25 384 20 15 56 Schedule for TIANMA65 (Code T6 ) Page 3 VLBI astronometry on the IMBH-TDE AT2018cqh 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 27 Oct 2024 Day 301 --- 20 16 40 AT2018CQH 06 47 56 22.2 254.6 4.2 55.6 16 384 20 16 40 20 18 30 --- 06 49 46 21.8 254.9 4.2 55.8 110 441 20 16 41 20 18 50 R32J0231 06 50 06 21.2 255.1 4.3 55.9 16 441 20 18 50 20 19 20 --- 06 50 36 21.1 255.2 4.3 55.9 30 456 20 18 51 20 19 40 R13J0234 06 50 56 21.7 255.1 4.3 55.9 15 456 20 19 40 20 21 30 --- 06 52 47 21.4 255.4 4.3 56.0 110 513 20 19 41 20 21 55 R32J0231 06 53 12 20.6 255.6 4.3 56.0 20 513 20 21 55 20 22 20 --- 06 53 37 20.5 255.6 4.3 56.1 25 526 20 21 56 20 22 40 AT2018CQH 06 53 57 20.9 255.5 4.3 56.0 16 526 20 22 40 20 24 30 --- 06 55 47 20.6 255.8 4.3 56.1 110 582 20 22 41 20 24 50 R32J0231 06 56 07 20.0 256.0 4.4 56.2 16 582 20 24 50 20 25 20 --- 06 56 37 19.9 256.1 4.4 56.2 30 598 20 24 51 20 25 40 R13J0234 06 56 57 20.5 256.0 4.4 56.2 15 598 20 25 40 20 27 30 --- 06 58 48 20.1 256.3 4.4 56.3 110 654 20 25 41 20 27 55 R32J0231 06 59 13 19.3 256.4 4.4 56.4 20 654 20 27 55 20 28 20 --- 06 59 38 19.2 256.5 4.4 56.4 25 667 20 27 56 20 28 40 AT2018CQH 06 59 58 19.7 256.4 4.4 56.3 16 667 20 28 40 20 30 30 --- 07 01 48 19.3 256.6 4.4 56.4 110 724 20 28 41 20 30 50 R32J0231 07 02 08 18.7 256.9 4.5 56.5 16 724 20 30 50 20 31 20 --- 07 02 38 18.6 256.9 4.5 56.5 30 739 20 30 51 20 31 40 R13J0234 07 02 58 19.2 256.9 4.5 56.5 15 739 20 31 40 20 33 30 --- 07 04 49 18.9 257.2 4.5 56.6 110 796 20 31 41 20 33 55 R32J0231 07 05 14 18.1 257.3 4.5 56.7 20 796 20 33 55 20 34 20 --- 07 05 39 18.0 257.4 4.5 56.7 25 809 20 33 56 20 34 40 AT2018CQH 07 05 59 18.4 257.3 4.5 56.7 16 809 20 34 40 20 36 30 --- 07 07 49 18.1 257.5 4.5 56.7 110 866 20 34 41 20 36 50 R32J0231 07 08 09 17.5 257.7 4.6 56.8 16 866 20 36 50 20 37 20 --- 07 08 39 17.4 257.8 4.6 56.8 30 881 20 36 51 20 37 40 R13J0234 07 08 59 18.0 257.8 4.6 56.8 15 881 20 37 40 20 39 30 --- 07 10 50 17.6 258.1 4.6 56.9 110 938 20 37 41 Schedule for TIANMA65 (Code T6 ) Page 4 VLBI astronometry on the IMBH-TDE AT2018cqh 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 27 Oct 2024 Day 301 --- 20 39 55 R32J0231 07 11 15 16.8 258.2 4.6 57.0 20 938 20 39 55 20 40 20 --- 07 11 40 16.7 258.2 4.6 57.0 25 951 20 39 56 20 40 40 AT2018CQH 07 12 00 17.2 258.1 4.6 56.9 16 951 20 40 40 20 42 30 --- 07 13 50 16.8 258.4 4.6 57.0 110 1007 20 40 41 20 42 50 R32J0231 07 14 10 16.2 258.6 4.7 57.1 16 1007 20 42 50 20 43 20 --- 07 14 40 16.1 258.7 4.7 57.1 30 1023 20 42 51 20 43 40 R13J0234 07 15 00 16.7 258.7 4.7 57.1 15 1023 20 43 40 20 45 30 --- 07 16 50 16.3 258.9 4.7 57.2 110 1080 20 43 41 20 45 55 R32J0231 07 17 16 15.6 259.0 4.7 57.2 20 1080 20 45 55 20 46 20 --- 07 17 41 15.5 259.1 4.7 57.2 25 1092 20 45 56 20 46 40 AT2018CQH 07 18 01 15.9 259.0 4.7 57.2 16 1092 20 46 40 20 48 30 --- 07 19 51 15.5 259.2 4.7 57.3 110 1149 20 46 41 20 48 50 R32J0231 07 20 11 14.9 259.4 4.8 57.4 16 1149 20 48 50 20 49 20 --- 07 20 41 14.8 259.5 4.8 57.4 30 1165 20 48 51 20 49 40 R13J0234 07 21 01 15.5 259.5 4.8 57.4 15 1165 20 49 40 20 51 30 --- 07 22 51 15.1 259.8 4.8 57.4 110 1221 20 49 41 20 51 55 R32J0231 07 23 17 14.3 259.9 4.8 57.5 20 1221 20 51 55 20 52 20 --- 07 23 42 14.2 259.9 4.8 57.5 25 1234 20 51 56 20 52 40 AT2018CQH 07 24 02 14.7 259.8 4.8 57.5 16 1234 20 52 40 20 54 30 --- 07 25 52 14.3 260.1 4.8 57.5 110 1291 20 52 41 20 54 50 R32J0231 07 26 12 13.7 260.3 4.9 57.6 16 1291 20 54 50 20 55 20 --- 07 26 42 13.6 260.3 4.9 57.6 30 1306 20 54 51 20 55 40 R13J0234 07 27 02 14.2 260.3 4.9 57.6 15 1306 20 55 40 20 57 30 --- 07 28 52 13.8 260.6 4.9 57.7 110 1363 20 55 41 20 57 55 R32J0231 07 29 18 13.0 260.7 4.9 57.7 20 1363 20 57 55 20 58 20 --- 07 29 43 12.9 260.8 4.9 57.7 25 1376 20 57 56 20 58 40 AT2018CQH 07 30 03 13.4 260.6 4.9 57.7 16 1376 20 58 40 21 00 30 --- 07 31 53 13.0 260.9 4.9 57.7 110 1432 20 58 41 21 00 50 R32J0231 07 32 13 12.4 261.1 5.0 57.8 16 1432 21 00 50 21 01 20 --- 07 32 43 12.3 261.2 5.0 57.8 30 1448 21 00 51 Schedule for TIANMA65 (Code T6 ) Page 5 VLBI astronometry on the IMBH-TDE AT2018cqh 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 27 Oct 2024 Day 301 --- 21 01 40 R13J0234 07 33 03 12.9 261.2 5.0 57.8 15 1448 21 01 40 21 03 30 --- 07 34 53 12.5 261.4 5.0 57.9 110 1505 21 01 41 21 03 55 R32J0231 07 35 19 11.7 261.5 5.0 57.9 20 1505 21 03 55 21 04 20 --- 07 35 44 11.7 261.6 5.0 57.9 25 1517 21 03 56 21 04 40 AT2018CQH 07 36 04 12.1 261.5 5.0 57.9 16 1517 21 04 40 21 06 30 --- 07 37 54 11.7 261.7 5.0 57.9 110 1574 21 04 41 21 06 50 R32J0231 07 38 14 11.1 261.9 5.1 58.0 16 1574 21 06 50 21 07 20 --- 07 38 44 11.0 262.0 5.1 58.0 30 1590 21 06 51 21 07 40 R13J0234 07 39 04 11.7 262.0 5.1 58.0 15 1590 21 07 40 21 09 30 --- 07 40 54 11.3 262.2 5.1 58.1 110 1646 21 07 41 21 09 55 R32J0231 07 41 19 10.5 262.3 5.1 58.1 20 1646 21 09 55 21 10 20 --- 07 41 45 10.4 262.4 5.1 58.1 25 1659 21 09 56 21 10 40 AT2018CQH 07 42 05 10.8 262.3 5.1 58.1 16 1659 21 10 40 21 12 30 --- 07 43 55 10.4 262.5 5.1 58.1 110 1716 21 10 41 21 12 50 R32J0231 07 44 15 9.9 262.7 5.2 58.2 16 1716 21 12 50 21 13 20 --- 07 44 45 9.7 262.8 5.2 58.2 30 1731 21 12 51 21 13 40 R13J0234 07 45 05 10.4 262.8 5.2 58.2 15 1731 21 13 40 21 15 30 --- 07 46 55 10.0 263.0 5.2 58.2 110 1788 21 13 41 21 15 50 R32J0231 07 47 15 9.2 263.1 5.2 58.2 15 1788 21 15 50 21 16 20 --- 07 47 46 9.1 263.2 5.2 58.3 30 1803 21 15 51 21 17 00 J0239-0234 07 48 26 9.9 261.0 5.1 57.8 33 1803 21 17 00 21 19 20 =0237-027 07 50 46 9.4 261.3 5.2 57.9 140 1876 21 17 01 21 20 00 R32J0231 07 51 26 8.3 263.7 5.3 58.4 33 1876 21 20 00 21 20 30 --- 07 51 56 8.2 263.8 5.3 58.4 30 1891 21 20 01 21 20 55 R32J0231 07 52 21 8.1 263.8 5.3 58.4 23 1891 21 20 55 21 21 20 --- 07 52 46 8.0 263.9 5.3 58.4 25 1904 21 20 56 21 21 40 AT2018CQH 07 53 06 8.5 263.8 5.3 58.4 16 1904 21 21 40 21 23 30 --- 07 54 57 8.1 264.0 5.3 58.4 110 1961 21 21 41 21 23 50 R32J0231 07 55 17 7.5 264.2 5.4 58.4 16 1961 21 23 50 21 24 20 --- 07 55 47 7.4 264.3 5.4 58.5 30 1976 21 23 51 Schedule for TIANMA65 (Code T6 ) Page 6 VLBI astronometry on the IMBH-TDE AT2018cqh 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 27 Oct 2024 Day 301 --- 21 24 40 R13J0234 07 56 07 8.0 264.3 5.3 58.4 15 1976 21 24 40 21 26 30 --- 07 57 57 7.6 264.5 5.4 58.5 110 2033 21 24 41 21 27 40 AT2018CQH 07 59 07 7.2 264.5 5.4 58.5 67 2033 21 27 40 21 29 30 --- 08 00 58 6.8 264.8 5.4 D 58.5 0 2089 21 27 41 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess324.C4096 --- 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: TIANMA65 Total bit rate: 4096 Format: VDIF Bits per sample: 2 Sample rate: 64.000 Number of channels: 32 DBE type: DBBC_DDC Speedup factor: 1.00 Disk used to record data. 1st LO= 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 4088.00 Net SB= L L U U L L U U L L U U L L U U 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 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 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 5 13 5 13 6 14 6 14 7 15 7 15 8 16 8 16 BBC SB= L L U U L L U U L L U U L L U U L L U U L L U U L L U U L L U U IF = A4 C3 A4 C3 A4 C3 A4 C3 A4 C3 A4 C3 A4 C3 A4 C3 B4 D3 B4 D3 B4 D3 B4 D3 B4 D3 B4 D3 B4 D3 B4 D3 The following frequency sets based on these setups were used. Frequency Set: 5 Setup file default. Used with PCAL = off LO sum= 4632.00 4632.00 4632.00 4632.00 4696.00 4696.00 4696.00 4696.00 4760.00 4760.00 4760.00 4760.00 4824.00 4824.00 4824.00 4824.00 4888.00 4888.00 4888.00 4888.00 4952.00 4952.00 4952.00 4952.00 5016.00 5016.00 5016.00 5016.00 5080.00 5080.00 5080.00 5080.00 BBC fr= 544.00 544.00 544.00 544.00 608.00 608.00 608.00 608.00 672.00 672.00 672.00 672.00 736.00 736.00 736.00 736.00 800.00 800.00 800.00 800.00 864.00 864.00 864.00 864.00 928.00 928.00 928.00 928.00 992.00 992.00 992.00 992.00 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 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: 5 Track assignments are: track1= 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * AT2018CQH 02 31 13.995223 * 02 33 46.933800 02 35 04.058205 0.00 -01 14 36.73242 *-01 01 28.37460 -00 54 47.93089 0.00 From catalog imbedded in main SCHED input file. * R32J0231 02 29 08.131221 * 02 31 40.977100 02 32 58.056077 0.00 -01 23 17.66687 *-01 10 03.67610 -01 03 20.48138 0.00 From catalog imbedded in main SCHED input file. * R13J0234 02 31 35.347225 * 02 34 08.424140 02 35 25.616113 0.00 -01 02 57.84019 *-00 49 50.44820 -00 43 10.47838 0.00 From catalog imbedded in main SCHED input file. 0237-027 02 37 13.715986 * 02 39 45.472273 02 41 02.019475 0.01 * J0239-0234 -02 47 32.85455 *-02 34 40.91457 -02 28 08.45992 0.01 J0239-02 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 8842 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 AT2018CQH sess324.C4096 1 2 3 4 5 6 7 9 11 1.742 74.627 R32J0231 sess324.C4096 1 2 3 4 5 6 7 9 11 0.921 37.834 R13J0234 sess324.C4096 1 2 3 4 5 6 7 9 11 1.742 74.405 J0239-0234 sess324.C4096 1 2 3 4 5 6 7 9 11 0.178 7.878 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) AT2018CQH 164.7 R32J0231 164.7 R13J0234 164.8 J0239-0234 162.7 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