COVER INFORMATION Station: HART (Code Hh ) Experiment: Probing blazar dynamics in an extreme case of jet realignment Exp. Code: RSB02B Schedule Version: 2.00 Processed by SCHED version: 11.50 Development version 11.5. Started Apr. 2 PI: Gabriele Bruni Address: INAF-IAPS via del Fosso del Cavaliere, 100 00133 - Rome Italy Phone: +39 06 4548 8456 EMAIL: gabriele.bruni@inaf.it Fax: --- Phone during observation: +39 06 4548 8456 Observing mode: Phase-referencing of a source at 3.6cm Notes: Schedule for HART (Code Hh ) Page 2 Probing blazar dynamics in an extreme case of jet realignment 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 23 Oct 2019 Day 296 --- Next scan frequencies: 8319.49 8319.49 8319.49 8319.49 8383.49 8383.49 8383.49 8383.49 8447.49 8447.49 8447.49 8447.49 8511.49 8511.49 8511.49 8511.49 Next BBC frequencies: 239.49 239.49 239.49 239.49 303.49 303.49 303.49 303.49 367.49 367.49 367.49 367.49 431.49 431.49 431.49 431.49 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 PBC2333 00 28 37 77.6 277.7 0.9 0.0 0 0 20 30 00 20 35 00 --- 00 33 38 76.5 276.5 1.0 0.0 300 77 20 30 01 20 35 00 PBC2333 00 33 38 76.5 276.5 1.0 0.0 -20 77 No stop 20 40 00 --- 00 38 39 75.4 275.5 1.1 0.0 280 155 20 35 01 20 40 30 PBC2333 00 39 09 75.3 275.4 1.1 0.0 9 155 20 40 30 20 45 30 --- 00 44 09 74.1 274.5 1.2 0.0 300 232 20 40 31 20 45 30 PBC2333 00 44 09 74.1 274.5 1.2 0.0 -20 232 No stop 20 50 30 --- 00 49 10 73.0 273.7 1.2 0.0 280 309 20 45 31 20 50 30 PBC2333 00 49 10 73.0 273.7 1.2 0.0 -20 309 No stop 20 55 30 --- 00 54 11 71.9 272.9 1.3 0.0 280 386 20 50 31 20 56 00 PBC2333 00 54 41 71.8 272.9 1.3 0.0 9 386 20 56 00 21 01 00 --- 00 59 42 70.6 272.2 1.4 0.0 300 464 20 56 01 21 01 00 PBC2333 00 59 42 70.6 272.2 1.4 0.0 -20 464 No stop 21 06 00 --- 01 04 43 69.5 271.5 1.5 0.0 280 541 21 01 01 21 06 00 PBC2333 01 04 43 69.5 271.5 1.5 0.0 -20 541 No stop 21 11 00 --- 01 09 44 68.4 270.9 1.6 0.0 280 618 21 06 01 21 11 30 PBC2333 01 10 14 68.3 270.9 1.6 0.0 9 618 21 11 30 21 16 30 --- 01 15 15 67.2 270.3 1.7 0.0 300 696 21 11 31 21 16 30 PBC2333 01 15 15 67.2 270.3 1.7 0.0 -20 696 No stop 21 21 30 --- 01 20 15 66.0 269.7 1.8 0.0 280 773 21 16 31 21 21 30 PBC2333 01 20 15 66.0 269.7 1.8 0.0 -20 773 No stop 21 26 30 --- 01 25 16 64.9 269.2 1.8 0.0 280 850 21 21 31 21 27 00 PBC2333 01 25 46 64.8 269.2 1.8 0.0 9 850 21 27 00 21 32 00 --- 01 30 47 63.7 268.7 1.9 0.0 300 927 21 27 01 21 32 00 PBC2333 01 30 47 63.7 268.7 1.9 0.0 -20 927 No stop 21 37 00 --- 01 35 48 62.5 268.2 2.0 0.0 280 1005 21 32 01 Schedule for HART (Code Hh ) Page 3 Probing blazar dynamics in an extreme case of jet realignment 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 23 Oct 2019 Day 296 --- 21 37 00 PBC2333 01 35 48 62.5 268.2 2.0 0.0 -20 1005 No stop 21 42 00 --- 01 40 49 61.4 267.7 2.1 0.0 280 1082 21 37 01 21 42 30 PBC2333 01 41 19 61.3 267.7 2.1 0.0 9 1082 21 42 30 21 47 30 --- 01 46 20 60.2 267.2 2.2 0.0 300 1159 21 42 31 21 47 30 PBC2333 01 46 20 60.2 267.2 2.2 0.0 -20 1159 No stop 21 54 07 --- 01 52 58 58.7 266.6 2.3 0.0 377 1262 21 47 31 21 57 00 3C454.3 01 55 51 29.1 308.8 3.0 0.0 66 1262 21 57 00 22 00 00 --- 01 58 51 28.6 308.2 3.1 0.0 180 1308 21 57 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess319.X2048 Matching groups in /home/guest/rmc/SCHED/sched11.5/catalogs/freq.dat: hhsx 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= 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 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: 7 Setup file default. Used with PCAL = off LO sum= 8319.49 8319.49 8319.49 8319.49 8383.49 8383.49 8383.49 8383.49 8447.49 8447.49 8447.49 8447.49 8511.49 8511.49 8511.49 8511.49 BBC fr= 239.49 239.49 239.49 239.49 303.49 303.49 303.49 303.49 367.49 367.49 367.49 367.49 431.49 431.49 431.49 431.49 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: 7 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) * PBC2333 23 31 17.940448 * 23 33 55.237800 23 34 57.355889 0.00 -24 00 15.79862 *-23 43 40.65802 -23 37 11.62125 0.00 From catalog imbedded in main SCHED input file. * 3C454.3 22 51 29.519739 * 22 53 57.747939 22 54 56.325043 0.65 J2253+1608 15 52 54.34808 * 16 08 53.56091 16 15 18.81592 0.73 2251+158 /home/guest/rmc/SCHED/sched11.5/catalogs/sources.gsfc J2253+16 GSFC 2016a X/S astro solution, 41272 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 PBC2333 sess319.X2048 1 2 3 4 5 6 7 8 1.360 46.844 3C454.3 sess319.X2048 1 2 3 4 5 6 7 8 0.050 1.800 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) PBC2333 131.4 3C454.3 136.8 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