COVER INFORMATION Station: HART (Code Hh ) Experiment: The true nature of the jet base in 3C84 Exp. Code: GP061A Schedule Version: 9.00 Processed by SCHED version: 11.60 Release 11.6; April 2020 PI: Georgios Filippos Paraschos Address: Max-Planck-Institute for Radiostronomy Auf dem Huegel, 69 Bonn, NRW, 53121 Germany Phone: +49228525292 EMAIL: gfparaschos@mpifr-bonn.mpg.de Fax: Phone during observation: +492257301155 Observing mode: Notes: PHASECAL should be ON v9 adds KVNPC Schedule for HART (Code Hh ) Page 2 The true nature of the jet base in 3C84 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 5 Jun 2024 Day 157 --- ---------- POINTING ---------- Next scan frequencies: 22172.00 22172.00 22172.00 22172.00 22236.00 22236.00 22236.00 22236.00 22300.00 22300.00 22300.00 22300.00 22364.00 22364.00 22364.00 22364.00 Next BBC frequencies: 692.00 692.00 692.00 692.00 756.00 756.00 756.00 756.00 820.00 820.00 820.00 820.00 884.00 884.00 884.00 884.00 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 05 33 50 3C84 00 21 09 10.7 32.6 -3.0 0.0 0 0 05 33 50 05 43 50 --- 00 31 10 11.9 31.1 -2.8 0.0 600 155 05 33 51 05 44 30 3C84 00 31 50 11.9 31.0 -2.8 0.0 19 155 05 44 30 05 54 30 --- 00 41 52 13.1 29.5 -2.7 0.0 600 309 05 44 31 06 09 50 3C84 00 57 15 14.7 27.1 -2.4 0.0 898 309 06 09 50 06 19 50 --- 01 07 16 15.7 25.4 -2.2 0.0 600 464 06 09 51 06 20 35 3C84 01 08 01 15.8 25.3 -2.2 0.0 24 464 06 20 35 06 30 35 --- 01 18 03 16.7 23.6 -2.1 0.0 600 618 06 20 36 ---------- POINTING ---------- 06 47 15 3C84 01 34 46 18.1 20.7 -1.8 0.0 978 618 06 47 15 06 57 15 --- 01 44 47 18.9 18.9 -1.6 0.0 600 773 06 47 16 06 58 00 3C84 01 45 32 19.0 18.7 -1.6 0.0 24 773 06 58 00 07 08 00 --- 01 55 34 19.6 16.9 -1.4 0.0 600 927 06 58 01 07 22 00 3C84 02 09 36 20.5 14.2 -1.2 0.0 818 927 07 22 00 07 32 00 --- 02 19 38 21.0 12.3 -1.0 0.0 600 1082 07 22 01 07 32 45 3C84 02 20 23 21.1 12.2 -1.0 0.0 24 1082 07 32 45 07 42 45 --- 02 30 25 21.5 10.2 -0.8 0.0 600 1237 07 32 46 ---------- POINTING ---------- 07 58 35 3C84 02 46 17 22.0 7.1 -0.6 0.0 928 1237 07 58 35 08 08 35 --- 02 56 19 22.3 5.1 -0.4 0.0 600 1391 07 58 36 08 09 15 3C84 02 56 59 22.3 4.9 -0.4 0.0 19 1391 08 09 15 08 19 15 --- 03 07 01 22.4 2.9 -0.2 0.0 600 1546 08 09 16 Schedule for HART (Code Hh ) Page 3 The true nature of the jet base in 3C84 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 5 Jun 2024 Day 157 --- ---------- POINTING ---------- 08 36 55 3C84 03 24 44 22.5 359.3 0.1 0.0 1038 1546 08 36 55 08 46 55 --- 03 34 45 22.4 357.3 0.2 0.0 600 1700 08 36 56 08 47 40 3C84 03 35 30 22.4 357.1 0.2 0.0 24 1700 08 47 40 08 57 40 --- 03 45 32 22.3 355.1 0.4 0.0 600 1855 08 47 41 09 02 40 3C84 03 50 33 22.2 354.1 0.5 0.0 279 1855 09 02 40 09 12 40 --- 04 00 35 21.9 352.1 0.7 0.0 600 2010 09 02 41 09 13 25 3C84 04 01 20 21.9 352.0 0.7 0.0 24 2010 09 13 25 09 23 25 --- 04 11 21 21.5 350.0 0.8 0.0 600 2164 09 13 26 09 24 10 3C84 04 12 06 21.5 349.8 0.8 0.0 24 2164 09 24 10 09 34 10 --- 04 22 08 21.1 347.9 1.0 0.0 600 2319 09 24 11 ---------- POINTING ---------- 09 57 40 3C84 04 45 42 19.7 343.4 1.4 0.0 1388 2319 09 57 40 10 07 40 --- 04 55 44 19.1 341.5 1.6 0.0 600 2473 09 57 41 10 08 25 3C84 04 56 29 19.0 341.4 1.6 0.0 24 2473 10 08 25 10 18 25 --- 05 06 30 18.3 339.6 1.8 0.0 600 2628 10 08 26 10 43 25 3C84 05 31 34 16.1 335.2 2.2 0.0 1478 2628 10 43 25 10 53 25 --- 05 41 36 15.1 333.6 2.3 0.0 600 2782 10 43 26 10 54 10 3C84 05 42 21 15.0 333.5 2.3 0.0 24 2782 10 54 10 11 04 10 --- 05 52 23 14.0 331.8 2.5 0.0 600 2937 10 54 11 ---------- POINTING ---------- 11 21 30 3C84 06 09 46 12.1 329.2 2.8 0.0 1018 2937 11 21 30 11 31 30 --- 06 19 47 10.9 327.7 3.0 0.0 600 3092 11 21 31 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess224.K2048glob --- 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: 14 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: 5 Setup file default. Used with PCAL = 1MHz LO sum= 22172.00 22172.00 22172.00 22172.00 22236.00 22236.00 22236.00 22236.00 22300.00 22300.00 22300.00 22300.00 22364.00 22364.00 22364.00 22364.00 BBC fr= 692.00 692.00 692.00 692.00 756.00 756.00 756.00 756.00 820.00 820.00 820.00 820.00 884.00 884.00 884.00 884.00 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 Matching frequency sets: 5 13 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) 0059+581 00 59 43.470969 * 01 02 45.762377 01 04 12.915375 0.00 * J0102+5824 58 08 04.84743 * 58 24 11.13658 58 31 46.66240 0.00 J0102+58 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 399648 observations. * 3C84 03 16 29.567265 * 03 19 48.160096 03 21 23.184622 1.50 J0319+4130 41 19 51.91692 * 41 30 42.10404 41 35 53.74929 2.86 0316+413 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc J0319+41 GSFC 2016a X/S astro solution, 10291 observations. * NRAO150 03 55 45.261365 * 03 59 29.747266 04 01 16.989612 0.03 J0359+5057 50 49 20.28574 * 50 57 50.16169 51 01 55.07231 0.02 0355+508 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc J0359+50 GSFC 2016a X/S astro solution, 22807 observations. * 0716+714 07 16 13.029730 * 07 21 53.448465 07 24 35.369527 0.01 J0721+7120 71 26 15.17409 * 71 20 36.36343 71 18 01.22650 0.00 J0721+71 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 79366 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 J0102+5824 sess224.K2048glob 1 2 3 4 5 6 8 11 14 2.033 169.764 3C84 sess224.K2048glob 1 2 3 4 5 6 8 11 14 15.167 1240.703 NRAO150 sess224.K2048glob 1 2 3 4 5 6 8 11 14 2.500 241.100 0716+714 sess224.K2048glob 1 2 3 4 14 2.422 37.089 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) J0102+5824 54.3 3C84 27.5 NRAO150 30.4 0716+714 53.1 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