COVER INFORMATION Station: KNOCKIN (Code Kn ) Experiment: Has the jet in J0028+0035 been restarted at multiple times? Exp. Code: EM152 Schedule Version: 1.00 Processed by SCHED version: 11.60 Release 11.6; April 2020 PI: Andrzej Marecki Address: Institute of Astronomy N. Copernicus University PL-87-100 Torun Poland Phone: +48 56 611 30 32 EMAIL: amr@astro.uni.torun.pl Fax: Phone during observation: +48 56 611 30 20 Observing mode: Notes: Schedule for KNOCKIN (Code Kn ) Page 2 Has the jet in J0028+0035 been restarted at multiple times? 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 ---------------------------------------------------------------------------------------- --- Fri 28 May 2021 Day 148 --- Next scan frequencies: 1626.49 1626.49 Next BBC frequencies: 645.51 645.51 Next scan bandwidths: 64.00 64.00 02 30 00 3C454.3 18 41 27 28.9 101.4 -4.2 -38.1 0 0 02 30 00 02 34 00 --- 18 45 28 29.5 102.3 -4.2 -38.0 240 15 02 30 01 02 39 20 J0028+0035 18 50 49 3.8 93.8 -5.6 -37.1 218 15 02 39 20 02 47 00 --- 18 58 30 4.9 95.3 -5.5 -37.0 460 45 02 39 21 02 47 20 J0029-0113 18 58 50 3.5 96.4 -5.5 -36.9 -1 45 02 47 20 02 49 00 =0026-015 19 00 31 3.7 96.7 -5.5 -36.9 99 52 02 47 21 02 49 20 J0028+0035 19 00 51 5.3 95.8 -5.5 -37.0 -2 52 02 49 20 02 57 00 --- 19 08 32 6.4 97.3 -5.4 -36.9 458 81 02 49 21 02 57 20 J0029-0113 19 08 52 5.0 98.4 -5.4 -36.8 -1 81 02 57 20 02 59 00 =0026-015 19 10 32 5.2 98.8 -5.3 -36.7 99 88 02 57 21 02 59 20 J0028+0035 19 10 52 6.8 97.8 -5.3 -36.8 -2 88 02 59 20 03 07 00 --- 19 18 34 7.9 99.4 -5.2 -36.6 458 117 02 59 21 03 07 20 J0029-0113 19 18 54 6.4 100.4 -5.2 -36.5 -1 117 03 07 20 03 09 00 =0026-015 19 20 34 6.7 100.8 -5.2 -36.5 99 124 03 07 21 03 09 20 J0028+0035 19 20 54 8.3 99.8 -5.1 -36.6 -2 124 03 09 20 03 17 00 --- 19 28 35 9.4 101.4 -5.0 -36.4 458 153 03 09 21 03 17 20 J0029-0113 19 28 55 7.9 102.5 -5.0 -36.2 -1 153 03 17 20 03 19 00 =0026-015 19 30 36 8.2 102.8 -5.0 -36.1 99 160 03 17 21 03 19 20 J0028+0035 19 30 56 9.8 101.9 -5.0 -36.3 -2 160 03 19 20 03 27 00 --- 19 38 37 10.9 103.4 -4.9 -36.0 458 189 03 19 21 03 27 20 J0029-0113 19 38 57 9.4 104.5 -4.9 -35.8 -1 189 03 27 20 03 29 00 =0026-015 19 40 37 9.7 104.9 -4.8 -35.8 99 196 03 27 21 03 29 20 J0028+0035 19 40 57 11.2 103.9 -4.8 -35.9 -2 196 03 29 20 03 37 00 --- 19 48 38 12.4 105.5 -4.7 -35.6 458 225 03 29 21 03 37 20 J0029-0113 19 48 59 10.9 106.6 -4.7 -35.4 -1 225 03 37 20 03 39 00 =0026-015 19 50 39 11.1 106.9 -4.7 -35.4 99 232 03 37 21 03 39 20 J0028+0035 19 50 59 12.7 106.0 -4.6 -35.5 -2 232 03 39 20 03 47 00 --- 19 58 40 13.8 107.6 -4.5 -35.2 458 262 03 39 21 Schedule for KNOCKIN (Code Kn ) Page 3 Has the jet in J0028+0035 been restarted at multiple times? 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 ---------------------------------------------------------------------------------------- --- Fri 28 May 2021 Day 148 --- 03 47 20 J0029-0113 19 59 00 12.3 108.7 -4.5 -35.0 -1 262 03 47 20 03 49 00 =0026-015 20 00 40 12.6 109.0 -4.5 -34.9 99 268 03 47 21 03 49 20 J0028+0035 20 01 01 14.1 108.1 -4.5 -35.1 -2 268 03 49 20 03 57 00 --- 20 08 42 15.2 109.7 -4.4 -34.7 458 298 03 49 21 03 57 20 J0029-0113 20 09 02 13.7 110.8 -4.4 -34.4 -1 298 03 57 20 03 59 00 =0026-015 20 10 42 14.0 111.2 -4.3 -34.3 99 304 03 57 21 03 59 20 J0028+0035 20 11 02 15.6 110.2 -4.3 -34.6 -2 304 03 59 20 04 07 00 --- 20 18 43 16.7 111.9 -4.2 -34.1 458 334 03 59 21 04 07 20 J0029-0113 20 19 03 15.1 112.9 -4.2 -33.8 -1 334 04 07 20 04 09 00 =0026-015 20 20 44 15.4 113.3 -4.2 -33.7 99 340 04 07 21 04 09 20 J0028+0035 20 21 04 17.0 112.4 -4.1 -34.0 -2 340 04 09 20 04 17 00 --- 20 28 45 18.1 114.1 -4.0 -33.5 458 370 04 09 21 04 17 20 J0029-0113 20 29 05 16.5 115.1 -4.0 -33.2 -2 370 04 17 20 04 19 00 =0026-015 20 30 45 16.8 115.5 -4.0 -33.1 98 376 04 17 21 04 19 20 J0028+0035 20 31 05 18.4 114.6 -4.0 -33.4 -2 376 04 19 20 04 27 00 --- 20 38 47 19.4 116.3 -3.8 -32.8 458 406 04 19 21 04 27 20 J0029-0113 20 39 07 17.9 117.3 -3.8 -32.5 -2 406 04 27 20 04 29 00 =0026-015 20 40 47 18.1 117.7 -3.8 -32.4 98 412 04 27 21 04 31 00 3C454.3 20 42 47 45.2 132.0 -2.2 -27.9 16 412 04 31 00 04 35 00 --- 20 46 48 45.6 133.2 -2.1 -27.3 240 428 04 31 01 04 38 00 J0029-0113 20 49 48 19.3 119.7 -3.7 -31.7 78 428 04 38 00 04 40 00 =0026-015 20 51 49 19.6 120.2 -3.6 -31.5 120 435 04 38 01 04 40 20 J0028+0035 20 52 09 21.2 119.3 -3.6 -31.8 -2 435 04 40 20 04 48 00 --- 20 59 50 22.2 121.1 -3.5 -31.2 458 465 04 40 21 04 48 20 J0029-0113 21 00 10 20.7 122.1 -3.5 -30.8 -2 465 04 48 20 04 50 00 =0026-015 21 01 50 20.9 122.4 -3.5 -30.7 98 471 04 48 21 04 50 20 J0028+0035 21 02 11 22.5 121.6 -3.5 -31.0 -2 471 04 50 20 04 58 00 --- 21 09 52 23.5 123.4 -3.3 -30.3 458 501 04 50 21 04 58 20 J0029-0113 21 10 12 21.9 124.4 -3.3 -29.9 -2 501 04 58 20 05 00 00 =0026-015 21 11 52 22.1 124.8 -3.3 -29.8 98 508 04 58 21 Schedule for KNOCKIN (Code Kn ) Page 4 Has the jet in J0028+0035 been restarted at multiple times? 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 ---------------------------------------------------------------------------------------- --- Fri 28 May 2021 Day 148 --- 05 00 20 J0028+0035 21 12 12 23.8 124.0 -3.3 -30.1 -2 508 05 00 20 05 08 00 --- 21 19 53 24.8 125.8 -3.2 -29.4 458 537 05 00 21 05 08 20 J0029-0113 21 20 13 23.2 126.7 -3.2 -29.0 -2 537 05 08 20 05 10 00 =0026-015 21 21 54 23.4 127.1 -3.1 -28.8 98 544 05 08 21 05 10 20 J0028+0035 21 22 14 25.0 126.3 -3.1 -29.2 -2 544 05 10 20 05 18 00 --- 21 29 55 26.0 128.2 -3.0 -28.4 458 573 05 10 21 05 18 20 J0029-0113 21 30 15 24.4 129.2 -3.0 -28.0 -2 573 05 18 20 05 20 00 =0026-015 21 31 55 24.5 129.6 -3.0 -27.8 98 580 05 18 21 05 20 20 J0028+0035 21 32 15 26.2 128.8 -3.0 -28.1 -3 580 05 20 20 05 28 00 --- 21 39 57 27.1 130.7 -2.8 -27.3 457 609 05 20 21 05 28 20 J0029-0113 21 40 17 25.5 131.6 -2.8 -26.9 -2 609 05 28 20 05 30 00 =0026-015 21 41 57 25.7 132.0 -2.8 -26.7 98 616 05 28 21 05 30 20 J0028+0035 21 42 17 27.4 131.3 -2.8 -27.0 -3 616 05 30 20 05 38 00 --- 21 49 58 28.3 133.2 -2.7 -26.2 457 645 05 30 21 05 38 20 J0029-0113 21 50 18 26.6 134.1 -2.7 -25.7 -2 645 05 38 20 05 40 00 =0026-015 21 51 59 26.8 134.5 -2.6 -25.5 98 652 05 38 21 05 40 20 J0028+0035 21 52 19 28.5 133.8 -2.6 -25.9 -3 652 05 40 20 05 48 00 --- 22 00 00 29.3 135.8 -2.5 -24.9 457 681 05 40 21 05 48 20 J0029-0113 22 00 20 27.7 136.7 -2.5 -24.5 -2 681 05 48 20 05 50 00 =0026-015 22 02 00 27.9 137.1 -2.5 -24.3 98 688 05 48 21 05 50 20 J0028+0035 22 02 20 29.6 136.4 -2.5 -24.6 -3 688 05 50 20 05 58 00 --- 22 10 02 30.4 138.4 -2.3 -23.7 457 718 05 50 21 05 58 20 J0029-0113 22 10 22 28.7 139.3 -2.3 -23.3 -2 718 05 58 20 06 00 00 =0026-015 22 12 02 28.9 139.7 -2.3 -23.0 98 724 05 58 21 06 00 20 J0028+0035 22 12 22 30.6 139.1 -2.3 -23.3 -3 724 06 00 20 06 08 00 --- 22 20 03 31.4 141.1 -2.2 -22.3 457 754 06 00 21 06 08 20 J0029-0113 22 20 23 29.7 141.9 -2.2 -21.9 -3 754 06 08 20 06 10 00 =0026-015 22 22 04 29.8 142.4 -2.1 -21.7 97 760 06 08 21 06 10 20 J0028+0035 22 22 24 31.6 141.8 -2.1 -22.0 -3 760 06 10 20 06 18 00 --- 22 30 05 32.3 143.9 -2.0 -20.9 457 790 06 10 21 Schedule for KNOCKIN (Code Kn ) Page 5 Has the jet in J0028+0035 been restarted at multiple times? 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 ---------------------------------------------------------------------------------------- --- Fri 28 May 2021 Day 148 --- 06 18 20 J0029-0113 22 30 25 30.6 144.6 -2.0 -20.5 -3 790 06 18 20 06 20 00 =0026-015 22 32 05 30.7 145.1 -2.0 -20.3 97 796 06 18 21 06 20 20 J0028+0035 22 32 25 32.5 144.5 -2.0 -20.6 -3 796 06 20 20 06 28 00 --- 22 40 07 33.1 146.7 -1.8 -19.4 457 826 06 20 21 06 28 20 J0029-0113 22 40 27 31.4 147.4 -1.8 -19.0 -3 826 06 28 20 06 30 00 =0026-015 22 42 07 31.6 147.8 -1.8 -18.8 97 832 06 28 21 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess221.L1024 --- 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: 18 Station: KNOCKIN Total bit rate: 512 Format: VDIF Bits per sample: 2 Sample rate:128.000 Number of channels: 2 DBE type: Speedup factor: 1.00 Disk used to record data. 1st LO= 2272.00 2272.00 Net SB= U U IF SB = L L Pol. = RCP LCP BBC = 1 9 BBC SB= L L IF = A1 B1 The following frequency sets based on these setups were used. Frequency Set: 16 Setup file default. Used with PCAL = off LO sum= 1626.49 1626.49 BBC fr= 645.51 645.51 Bandwd= 64.00 64.00 Matching frequency sets: 16 17 18 19 20 Track assignments are: track1= 1, 2 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * J0028+0035 00 26 05.030490 * 00 28 38.861000 00 29 43.022677 0.00 00 19 04.63073 * 00 35 39.65300 00 42 35.30245 0.00 From catalog imbedded in main SCHED input file. 0026-015 00 26 27.411318 * 00 29 00.986037 00 30 05.036482 0.17 * J0029-0113 -01 30 16.59853 *-01 13 41.75993 -01 06 45.63952 0.35 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 66 observations. * 3C454.3 22 51 29.519739 * 22 53 57.747939 22 55 00.032595 0.65 J2253+1608 15 52 54.34808 * 16 08 53.56091 16 15 29.24478 0.73 2251+158 /home/guest/rmc/SCHED/sched11.6/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 J0028+0035 sess221.L1024 1 2 3 4 5 6 7 8 9 10 11 14 + 2.811 501.532 J0029-0113 sess221.L1024 1 2 3 4 5 6 7 8 9 10 11 14 + 0.678 114.563 3C454.3 sess221.L1024 1 2 3 4 5 6 7 8 9 10 11 14 + 0.133 23.517 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) J0028+0035 60.0 J0029-0113 60.7 3C454.3 76.4 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