COVER INFORMATION Station: HART (Code Hh ) Experiment: Collimation and acceleration of the M84 jet: synergy with EVN+e-MERLIN a Exp. Code: EN016D Schedule Version: 2.00 Processed by SCHED version: 11.60 Release 11.6; April 2020 PI: Dhanya G. Nair Address: Department of Astronomy, University of Concepcion Avenida Esteban Iturra s/n Casilla 160-C Concepcion, Chile Phone: 0056-412661646 EMAIL: dhanyagnair01@gmail.com, dhanyanair@astro-udec.cl Fax: Phone during observation: Observing mode: evn Notes: 6 cm 2048 Mbps 2048 Mbps, 16x32 MHz, RCP & LCP, 2 bit sampling Schedule for HART (Code Hh ) Page 2 Collimation and acceleration of the M84 jet: synergy with EVN+e-MERLIN a 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 9 Mar 2025 Day 68 --- Next scan frequencies: 4830.49 4830.49 4830.49 4830.49 4894.49 4894.49 4894.49 4894.49 4958.49 4958.49 4958.49 4958.49 5022.49 5022.49 5022.49 5022.49 Next BBC frequencies: 230.49 230.49 230.49 230.49 294.49 294.49 294.49 294.49 358.49 358.49 358.49 358.49 422.49 422.49 422.49 422.49 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 20 30 00 1156+295 09 31 52 24.4 35.5 -2.5 0.0 0 0 20 30 00 20 34 00 --- 09 35 52 24.9 34.7 -2.4 0.0 240 62 20 30 01 20 36 24 M84 09 38 17 33.7 51.7 -2.8 0.0 84 62 20 36 24 20 46 24 --- 09 48 18 35.5 49.7 -2.6 0.0 600 216 20 36 25 20 46 56 M84 09 48 50 35.6 49.5 -2.6 0.0 11 216 20 46 56 20 56 56 --- 09 58 52 37.3 47.3 -2.5 0.0 600 371 20 46 57 20 57 28 M84 09 59 24 37.4 47.2 -2.4 0.0 11 371 20 57 28 21 07 28 --- 10 09 26 39.0 44.9 -2.3 0.0 600 526 20 57 29 21 08 11 M87 10 10 09 38.5 46.5 -2.4 0.0 14 526 21 08 11 21 11 11 --- 10 13 09 39.0 45.8 -2.3 0.0 180 572 21 08 12 21 11 55 M84 10 13 54 39.7 43.8 -2.2 0.0 15 572 21 11 55 21 21 55 --- 10 23 55 41.2 41.3 -2.0 0.0 600 727 21 11 56 21 22 27 M84 10 24 27 41.3 41.2 -2.0 0.0 11 727 21 22 27 21 32 27 --- 10 34 29 42.7 38.5 -1.9 0.0 600 881 21 22 28 21 32 59 M84 10 35 01 42.8 38.4 -1.9 0.0 11 881 21 32 59 21 42 59 --- 10 45 03 44.2 35.6 -1.7 0.0 600 1036 21 33 00 21 43 42 M87 10 45 46 43.9 37.4 -1.8 0.0 14 1036 21 43 42 21 46 42 --- 10 48 46 44.3 36.5 -1.7 0.0 180 1082 21 43 43 21 47 26 M84 10 49 30 44.7 34.3 -1.6 0.0 15 1082 21 47 26 21 57 26 --- 10 59 32 46.0 31.3 -1.4 0.0 600 1237 21 47 27 21 57 58 M84 11 00 04 46.0 31.1 -1.4 0.0 11 1237 21 57 58 22 07 58 --- 11 10 06 47.1 27.9 -1.3 0.0 600 1391 21 57 59 22 08 30 M84 11 10 38 47.2 27.8 -1.3 0.0 11 1391 22 08 30 22 18 30 --- 11 20 39 48.2 24.4 -1.1 0.0 600 1546 22 08 31 22 19 15 M87 11 21 25 48.2 26.4 -1.2 0.0 16 1546 22 19 15 22 22 15 --- 11 24 25 48.5 25.4 -1.1 0.0 180 1592 22 19 16 Schedule for HART (Code Hh ) Page 3 Collimation and acceleration of the M84 jet: synergy with EVN+e-MERLIN a 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 9 Mar 2025 Day 68 --- 22 22 59 M84 11 25 09 48.6 22.9 -1.0 0.0 15 1592 22 22 59 22 32 59 --- 11 35 11 49.4 19.4 -0.9 0.0 600 1747 22 23 00 22 33 31 M84 11 35 43 49.4 19.2 -0.8 0.0 11 1747 22 33 31 22 43 31 --- 11 45 45 50.1 15.6 -0.7 0.0 600 1901 22 33 32 22 44 03 M84 11 46 17 50.2 15.4 -0.7 0.0 11 1901 22 44 03 22 49 33 --- 11 51 48 50.5 13.3 -0.6 0.0 330 1986 22 44 04 22 50 18 M87 11 52 33 50.7 15.4 -0.7 0.0 16 1986 22 50 18 22 53 18 --- 11 55 33 50.8 14.2 -0.6 0.0 180 2033 22 50 19 22 56 00 1156+295 11 58 16 35.0 0.7 -0.0 0.0 101 2033 22 56 00 23 00 00 --- 12 02 16 35.0 359.6 0.0 0.0 240 2095 22 56 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess125.C2048 Matching groups in /home/guest/rmc/SCHED/sched11.6/catalogs/freq_RDBE.dat: hh6cm Values confirmed by E-mail Jonathan Quick 20140219 (CR) ****** Only 256.00 of 512.00 MHz total bandwidth is within the IFs in the setup file before any FREQ or DOPPLER shifts. 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= 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 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: 9 Setup file default. Used with PCAL = off LO sum= 4830.49 4830.49 4830.49 4830.49 4894.49 4894.49 4894.49 4894.49 4958.49 4958.49 4958.49 4958.49 5022.49 5022.49 5022.49 5022.49 BBC fr= 230.49 230.49 230.49 230.49 294.49 294.49 294.49 294.49 358.49 358.49 358.49 358.49 422.49 422.49 422.49 422.49 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: 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) * M84 12 22 31.582023 * 12 25 03.743339 12 26 21.797335 0.00 13 09 49.76860 * 12 53 13.13921 12 44 40.66112 0.00 From catalog imbedded in main SCHED input file. * M87 12 28 17.569282 * 12 30 49.423384 12 32 07.308636 0.00 12 40 01.74886 * 12 23 28.04369 12 14 56.84838 0.00 From catalog imbedded in main SCHED input file. * 1156+295 11 56 57.786213 * 11 59 31.833914 12 00 51.129427 0.00 29 31 25.73872 * 29 14 43.82682 29 06 09.41088 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 M84 sess125.C2048 1 2 3 4 5 6 7 8 9 10 11 1.925 200.042 M87 sess125.C2048 1 2 3 4 5 6 7 8 9 10 11 0.200 21.000 1156+295 sess125.C2048 1 2 3 4 5 6 7 8 9 10 11 0.133 14.000 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) M84 161.8 M87 160.8 1156+295 153.4 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