COVER INFORMATION Station: SVETLOE (Code Sv ) Experiment: The variable VLBI core of NGC 4151 Exp. Code: EP113E Schedule Version: 2.00 Processed by SCHED version: 11.50 Development version 11.5. Started Apr. 2 PI: F. Panessa Address: INAF-IAPS via del Fosso del Cavaliere, 100 00133 - Rome Italy Phone: +39 06 4548 8456 EMAIL: francesca.panessa@iaps.inaf.it Fax: --- Phone during observation: +39 06 4548 8456 Observing mode: Phase-referencing of a source at 1.3cm Notes: Target: NGC4151 Phase calibrator : J1209+4119 D-terms calibrator : -- Fringe finder : 3C286 Schedule for SVETLOE (Code Sv ) Page 2 The variable VLBI core of NGC 4151 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 ---------------------------------------------------------------------------------------- --- Mon 10 Jun 2019 Day 161 --- Next scan frequencies: 22139.49 22139.49 22139.49 22139.49 22203.49 22203.49 22203.49 22203.49 22267.49 22267.49 22267.49 22267.49 22331.49 22331.49 22331.49 22331.49 Next BBC frequencies: 219.49 219.49 219.49 219.49 283.49 283.49 283.49 283.49 347.49 347.49 347.49 347.49 411.49 411.49 411.49 411.49 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 17 00 00 3C286 12 14 11 57.2 507.9 -1.3 -17.6 0 0 17 00 00 17 02 00 --- 12 16 11 57.3 508.7 -1.3 -17.2 120 31 17 00 01 17 04 20 J1209+4119 12 18 31 70.7 544.6 0.1 3.0 80 31 17 04 20 17 06 20 =1206+416 12 20 32 70.6 545.8 0.2 3.8 120 62 17 04 21 17 06 20 NGC4151 12 20 32 68.7 544.8 0.2 3.1 -17 62 No stop 17 10 20 --- 12 24 32 68.7 546.9 0.2 4.4 223 123 17 06 21 17 10 20 J1209+4119 12 24 32 70.6 548.0 0.2 5.3 -17 123 No stop 17 12 20 =1206+416 12 26 33 70.5 549.2 0.3 6.0 103 154 17 10 21 17 12 20 NGC4151 12 26 33 68.6 548.0 0.3 5.1 -17 154 No stop 17 16 20 --- 12 30 33 68.6 550.1 0.3 6.4 223 215 17 12 21 17 17 00 J1209+4119 12 31 13 70.4 551.8 0.3 7.7 23 215 17 17 00 17 19 00 =1206+416 12 33 14 70.4 552.9 0.4 8.4 120 246 17 17 01 17 19 00 NGC4151 12 33 14 68.5 551.5 0.4 7.3 -17 246 No stop 17 23 00 --- 12 37 14 68.4 553.6 0.4 8.6 223 308 17 19 01 17 23 00 J1209+4119 12 37 14 70.3 555.1 0.4 9.8 -17 308 No stop 17 25 00 =1206+416 12 39 15 70.2 556.2 0.5 10.5 103 338 17 23 01 17 25 00 NGC4151 12 39 15 68.3 554.7 0.5 9.3 -17 338 No stop 17 29 00 --- 12 43 15 68.2 556.7 0.5 10.5 223 400 17 25 01 17 29 40 J1209+4119 12 43 55 70.0 558.7 0.6 12.1 23 400 17 29 40 17 31 40 =1206+416 12 45 56 69.9 559.8 0.6 12.8 120 431 17 29 41 17 31 40 NGC4151 12 45 56 68.1 558.1 0.6 11.4 -17 431 No stop 17 35 40 --- 12 49 56 67.9 560.1 0.6 12.6 223 492 17 31 41 17 35 40 J1209+4119 12 49 56 69.8 561.9 0.7 14.1 -17 492 No stop 17 37 40 =1206+416 12 51 57 69.7 563.0 0.7 14.8 103 523 17 35 41 17 37 40 NGC4151 12 51 57 67.9 561.1 0.7 13.2 -17 523 No stop 17 41 40 --- 12 55 57 67.7 563.1 0.7 14.4 223 585 17 37 41 Schedule for SVETLOE (Code Sv ) Page 3 The variable VLBI core of NGC 4151 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 ---------------------------------------------------------------------------------------- --- Mon 10 Jun 2019 Day 161 --- 17 42 20 J1209+4119 12 56 38 69.4 565.4 0.8 16.3 22 585 17 42 20 17 44 20 =1206+416 12 58 38 69.3 566.5 0.8 16.9 120 615 17 42 21 17 44 20 NGC4151 12 58 38 67.5 564.4 0.8 15.2 -17 615 No stop 17 48 20 --- 13 02 39 67.3 566.4 0.9 16.4 223 677 17 44 21 17 48 20 J1209+4119 13 02 39 69.1 568.5 0.9 18.2 -18 677 No stop 17 50 20 =1206+416 13 04 39 69.0 569.5 0.9 18.8 102 708 17 48 21 17 50 20 NGC4151 13 04 39 67.2 567.3 0.9 17.0 -18 708 No stop 17 54 20 --- 13 08 40 67.0 569.2 1.0 18.1 222 769 17 50 21 17 55 00 J1209+4119 13 09 20 68.7 571.8 1.0 20.1 21 769 17 55 00 17 57 00 =1206+416 13 11 20 68.5 572.7 1.0 20.7 120 800 17 55 01 17 57 00 NGC4151 13 11 20 66.8 570.5 1.0 18.8 -18 800 No stop 18 01 00 --- 13 15 21 66.6 572.3 1.1 19.9 222 862 17 57 01 18 01 00 J1209+4119 13 15 21 68.3 574.7 1.1 21.8 -19 862 No stop 18 03 00 =1206+416 13 17 21 68.1 575.6 1.1 22.4 101 892 18 01 01 18 03 00 NGC4151 13 17 21 66.4 573.2 1.1 20.4 -18 892 No stop 18 07 00 --- 13 21 22 66.1 575.0 1.2 21.4 222 954 18 03 01 18 07 40 J1209+4119 13 22 02 67.8 577.8 1.2 23.6 21 954 18 07 40 18 09 40 =1206+416 13 24 02 67.6 578.7 1.2 24.1 120 985 18 07 41 18 09 40 NGC4151 13 24 02 66.0 576.2 1.2 22.1 -19 985 No stop 18 13 40 --- 13 28 03 65.7 578.0 1.3 23.0 221 1046 18 09 41 18 13 40 J1209+4119 13 28 03 67.3 580.5 1.3 25.1 -19 1046 No stop 18 15 40 =1206+416 13 30 03 67.2 581.3 1.3 25.6 101 1077 18 13 41 18 15 40 NGC4151 13 30 03 65.5 578.8 1.3 23.5 -19 1077 No stop 18 19 40 --- 13 34 04 65.2 580.5 1.4 24.4 221 1138 18 15 41 18 20 20 J1209+4119 13 34 44 66.8 583.4 1.4 26.7 20 1138 18 20 20 18 22 20 =1206+416 13 36 44 66.6 584.2 1.4 27.1 120 1169 18 20 21 18 22 20 NGC4151 13 36 44 65.0 581.7 1.4 25.0 -19 1169 No stop 18 26 20 --- 13 40 45 64.6 583.3 1.5 25.9 221 1231 18 22 21 18 26 20 J1209+4119 13 40 45 66.3 585.9 1.5 28.0 -20 1231 No stop 18 28 20 =1206+416 13 42 45 66.1 586.7 1.5 28.4 100 1262 18 26 21 Schedule for SVETLOE (Code Sv ) Page 4 The variable VLBI core of NGC 4151 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 ---------------------------------------------------------------------------------------- --- Mon 10 Jun 2019 Day 161 --- 18 28 20 NGC4151 13 42 45 64.5 584.1 1.5 26.3 -19 1262 No stop 18 32 20 --- 13 46 46 64.1 585.7 1.6 27.1 221 1323 18 28 21 18 33 00 J1209+4119 13 47 26 65.7 588.6 1.6 29.4 20 1323 18 33 00 18 35 00 =1206+416 13 49 26 65.5 589.4 1.7 29.8 120 1354 18 33 01 18 37 20 3C286 13 51 47 59.7 548.5 0.3 4.8 74 1354 18 37 20 18 40 00 --- 13 54 27 59.7 549.6 0.4 5.5 160 1395 18 37 21 ---------- Ef out for pointing ---------- 18 43 00 J1209+4119 13 57 28 64.7 592.5 1.8 31.2 113 1395 18 43 00 18 45 00 =1206+416 13 59 28 64.5 593.2 1.8 31.6 120 1426 18 43 01 18 45 00 NGC4151 13 59 28 63.0 590.6 1.8 29.4 -19 1426 No stop 18 48 30 --- 14 02 58 62.6 591.9 1.9 30.0 191 1479 18 45 01 18 49 10 J1209+4119 14 03 39 64.1 594.7 1.9 32.3 20 1479 18 49 10 18 51 10 =1206+416 14 05 39 63.9 595.5 1.9 32.6 120 1510 18 49 11 ---------- Ef back ---------- 18 51 10 NGC4151 14 05 39 62.4 592.8 1.9 30.4 -19 1510 No stop 18 54 40 --- 14 09 09 62.0 594.1 2.0 31.0 191 1564 18 51 11 18 54 40 J1209+4119 14 09 09 63.5 596.7 2.0 33.1 -20 1564 No stop 18 56 40 =1206+416 14 11 10 63.3 597.4 2.0 33.4 100 1595 18 54 41 18 56 40 NGC4151 14 11 10 61.8 594.8 2.0 31.3 -19 1595 No stop 19 00 40 --- 14 15 10 61.4 596.2 2.1 31.9 221 1656 18 56 41 19 01 20 J1209+4119 14 15 51 62.8 599.0 2.1 34.1 20 1656 19 01 20 19 03 20 =1206+416 14 17 51 62.6 599.7 2.1 34.4 120 1687 19 01 21 19 03 20 NGC4151 14 17 51 61.1 597.1 2.1 32.3 -19 1687 No stop 19 07 20 --- 14 21 52 60.7 598.4 2.2 32.8 221 1749 19 03 21 19 07 20 J1209+4119 14 21 52 62.2 601.1 2.2 34.9 -20 1749 No stop 19 09 20 =1206+416 14 23 52 62.0 601.7 2.2 35.2 100 1779 19 07 21 19 09 20 NGC4151 14 23 52 60.5 599.1 2.2 33.1 -19 1779 No stop 19 13 20 --- 14 27 53 60.1 600.4 2.3 33.6 221 1841 19 09 21 19 14 00 J1209+4119 14 28 33 61.5 603.2 2.3 35.7 20 1841 19 14 00 19 16 00 =1206+416 14 30 33 61.2 603.9 2.3 36.0 120 1872 19 14 01 Schedule for SVETLOE (Code Sv ) Page 5 The variable VLBI core of NGC 4151 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 ---------------------------------------------------------------------------------------- --- Mon 10 Jun 2019 Day 161 --- 19 16 00 NGC4151 14 30 33 59.8 601.3 2.3 33.9 -19 1872 No stop 19 20 00 --- 14 34 34 59.4 602.5 2.4 34.3 221 1933 19 16 01 19 20 00 J1209+4119 14 34 34 60.8 605.1 2.4 36.4 -20 1933 No stop 19 22 00 =1206+416 14 36 34 60.6 605.7 2.4 36.6 100 1964 19 20 01 19 22 00 NGC4151 14 36 34 59.1 603.2 2.4 34.6 -19 1964 No stop 19 26 00 --- 14 40 35 58.7 604.4 2.5 35.0 221 2026 19 22 01 19 26 40 J1209+4119 14 41 15 60.0 607.2 2.5 37.1 20 2026 19 26 40 19 28 40 =1206+416 14 43 15 59.8 607.8 2.5 37.3 120 2056 19 26 41 19 28 40 NGC4151 14 43 15 58.4 605.2 2.5 35.2 -19 2056 No stop 19 32 40 --- 14 47 16 57.9 606.4 2.6 35.6 221 2118 19 28 41 19 32 40 J1209+4119 14 47 16 59.4 609.0 2.6 37.6 -19 2118 No stop 19 34 40 =1206+416 14 49 16 59.1 609.5 2.6 37.8 101 2149 19 32 41 19 34 40 NGC4151 14 49 16 57.7 607.0 2.6 35.8 -19 2149 No stop 19 38 40 --- 14 53 17 57.3 608.2 2.7 36.2 221 2210 19 34 41 19 39 20 J1209+4119 14 53 57 58.6 610.9 2.7 38.2 21 2210 19 39 20 19 41 20 =1206+416 14 55 57 58.4 611.4 2.8 38.3 120 2241 19 39 21 19 41 20 NGC4151 14 55 57 57.0 608.9 2.7 36.4 -19 2241 No stop 19 45 20 --- 14 59 58 56.5 610.1 2.8 36.7 221 2303 19 41 21 19 45 20 J1209+4119 14 59 58 57.9 612.6 2.8 38.6 -19 2303 No stop 19 47 20 =1206+416 15 01 58 57.6 613.1 2.9 38.7 101 2333 19 45 21 19 47 20 NGC4151 15 01 58 56.3 610.6 2.8 36.9 -19 2333 No stop 19 51 20 --- 15 05 59 55.8 611.7 2.9 37.1 221 2395 19 47 21 19 52 00 J1209+4119 15 06 39 57.1 614.4 2.9 39.0 21 2395 19 52 00 19 54 00 =1206+416 15 08 39 56.9 614.9 3.0 39.2 120 2426 19 52 01 19 54 00 NGC4151 15 08 39 55.5 612.5 3.0 37.3 -19 2426 No stop 19 58 00 --- 15 12 40 55.0 613.5 3.0 37.6 221 2487 19 54 01 19 58 00 J1209+4119 15 12 40 56.4 616.0 3.0 39.4 -19 2487 No stop 20 00 00 =1206+416 15 14 40 56.1 616.5 3.1 39.5 101 2518 19 58 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess219.K2048 Matching groups in /home/guest/rmc/SCHED/sched11.5/catalogs/freq_RDBE.dat: kvzr_k Added by Des Small, 24 February 2012 Setup group: 1 Station: SVETLOE Total bit rate: 2048 Format: MARK5B Bits per sample: 2 Sample rate: 64.000 Number of channels: 16 DBE type: Speedup factor: 1.00 Disk used to record data. 1st LO= 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 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 = A B A B A B A B A B A B A B A B The following frequency sets based on these setups were used. Frequency Set: 10 Setup file default. Used with PCAL = off LO sum= 22139.49 22139.49 22139.49 22139.49 22203.49 22203.49 22203.49 22203.49 22267.49 22267.49 22267.49 22267.49 22331.49 22331.49 22331.49 22331.49 BBC fr= 219.49 219.49 219.49 219.49 283.49 283.49 283.49 283.49 347.49 347.49 347.49 347.49 411.49 411.49 411.49 411.49 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: 10 11 12 Track assignments are: track1= 18, 26, 2, 10, 20, 28, 4, 12, 22, 30, 6, 14, 24, 32, 8, 16 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * NGC4151 12 08 01.055801 * 12 10 32.583400 12 11 30.529205 0.00 39 41 02.10308 * 39 24 21.03100 39 18 09.96813 0.00 From catalog imbedded in main SCHED input file. 1206+416 12 06 51.117947 * 12 09 22.788006 12 10 20.765794 0.17 * J1209+4119 41 36 22.62761 * 41 19 41.37011 41 13 30.75115 0.16 /home/guest/rmc/SCHED/sched11.5/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 150 observations. * 3C286 13 28 49.657769 * 13 31 08.288061 13 32 01.923103 0.17 J1331+3030 30 45 58.64066 * 30 30 32.95930 30 24 48.76043 0.16 1328+307 /home/guest/rmc/SCHED/sched11.5/catalogs/sources.gsfc J1331+30 GSFC 2016a X/S astro solution, 269 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 NGC4151 sess219.K2048 1 2 3 4 5 6 7 8 9 10 14 15 + 1.717 158.398 J1209+4119 sess219.K2048 1 2 3 4 5 6 7 8 9 10 14 15 + 0.933 90.198 3C286 sess219.K2048 1 2 3 4 5 6 7 8 9 10 14 15 + 0.078 11.259 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) NGC4151 85.8 J1209+4119 84.7 3C286 104.4 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