COVER INFORMATION Station: SVETLOE (Code Sv ) Experiment: The variable VLBI core of NGC 4151 Exp. Code: EP113B 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 (1024 Mb/s) 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 ---------------------------------------------------------------------------------------- --- Wed 7 Nov 2018 Day 311 --- Next scan frequencies: 22187.49 22187.49 22187.49 22187.49 22219.49 22219.49 22219.49 22219.49 22251.49 22251.49 22251.49 22251.49 22283.49 22283.49 22283.49 22283.49 Next BBC frequencies: 267.49 267.49 267.49 267.49 299.49 299.49 299.49 299.49 331.49 331.49 331.49 331.49 363.49 363.49 363.49 363.49 Next scan bandwidths: 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 07 00 00 3C286 12 04 53 56.6 504.5 -1.5 -19.4 0 0 07 00 00 07 02 00 --- 12 06 53 56.7 505.2 -1.4 -19.0 120 15 07 00 01 07 03 49 J1209+4119 12 08 42 70.7 539.1 -0.0 -0.6 51 15 07 03 49 07 04 49 =1206+416 12 09 42 70.7 539.7 -0.0 -0.2 60 23 07 03 50 07 05 36 NGC4151 12 10 29 68.8 539.5 -0.0 -0.3 29 23 07 05 36 07 08 36 --- 12 13 30 68.8 541.1 0.0 0.7 180 46 07 05 37 07 09 21 J1209+4119 12 14 15 70.7 542.3 0.1 1.5 28 46 07 09 21 07 10 21 =1206+416 12 15 15 70.7 542.8 0.1 1.8 60 54 07 09 22 07 11 08 NGC4151 12 16 03 68.8 542.5 0.1 1.6 30 54 07 11 08 07 14 08 --- 12 19 03 68.7 544.1 0.1 2.6 180 77 07 11 09 07 14 54 J1209+4119 12 19 49 70.6 545.4 0.2 3.5 28 77 07 14 54 07 15 54 =1206+416 12 20 49 70.6 546.0 0.2 3.9 60 85 07 14 55 07 16 41 NGC4151 12 21 37 68.7 545.4 0.2 3.4 30 85 07 16 41 07 19 41 --- 12 24 37 68.7 547.0 0.2 4.5 180 108 07 16 42 07 20 27 J1209+4119 12 25 23 70.6 548.6 0.3 5.6 29 108 07 20 27 07 21 27 =1206+416 12 26 23 70.5 549.1 0.3 5.9 60 115 07 20 28 07 22 15 NGC4151 12 27 11 68.6 548.4 0.3 5.3 30 115 07 22 15 07 25 15 --- 12 30 11 68.6 550.0 0.3 6.3 180 138 07 22 16 07 26 01 J1209+4119 12 30 58 70.4 551.7 0.3 7.6 29 138 07 26 01 07 27 01 =1206+416 12 31 58 70.4 552.2 0.4 8.0 60 146 07 26 02 07 27 48 NGC4151 12 32 46 68.5 551.3 0.4 7.2 31 146 07 27 48 07 30 48 --- 12 35 46 68.4 552.9 0.4 8.1 180 169 07 27 49 07 31 34 J1209+4119 12 36 32 70.3 554.8 0.4 9.6 29 169 07 31 34 07 32 34 =1206+416 12 37 32 70.2 555.3 0.5 9.9 60 177 07 31 35 07 33 22 NGC4151 12 38 20 68.4 554.2 0.4 9.0 31 177 07 33 22 07 36 22 --- 12 41 21 68.3 555.8 0.5 10.0 180 200 07 33 23 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 ---------------------------------------------------------------------------------------- --- Wed 7 Nov 2018 Day 311 --- 07 37 08 J1209+4119 12 42 07 70.1 557.8 0.5 11.5 29 200 07 37 08 07 38 08 =1206+416 12 43 07 70.0 558.3 0.5 11.9 60 208 07 37 09 07 38 56 NGC4151 12 43 55 68.2 557.1 0.5 10.8 31 208 07 38 56 07 41 56 --- 12 46 56 68.1 558.6 0.6 11.7 180 231 07 38 57 07 42 42 J1209+4119 12 47 41 69.9 560.8 0.6 13.4 28 231 07 42 42 07 43 42 =1206+416 12 48 41 69.8 561.3 0.6 13.8 60 238 07 42 43 07 44 29 NGC4151 12 49 29 68.0 559.9 0.6 12.5 31 238 07 44 29 07 47 29 --- 12 52 30 67.8 561.4 0.7 13.4 180 262 07 44 30 07 48 14 J1209+4119 12 53 15 69.6 563.7 0.7 15.2 27 262 07 48 14 07 49 14 =1206+416 12 54 15 69.5 564.2 0.7 15.6 60 269 07 48 15 07 50 01 NGC4151 12 55 02 67.7 562.7 0.7 14.2 30 269 07 50 01 07 53 01 --- 12 58 03 67.6 564.2 0.8 15.1 180 292 07 50 02 07 53 46 J1209+4119 12 58 47 69.3 566.6 0.8 17.0 26 292 07 53 46 07 54 46 =1206+416 12 59 47 69.3 567.1 0.8 17.3 60 300 07 53 47 07 55 32 NGC4151 13 00 34 67.4 565.4 0.8 15.8 29 300 07 55 32 07 58 32 --- 13 03 35 67.3 566.8 0.9 16.7 180 323 07 55 33 07 59 15 J1209+4119 13 04 18 69.0 569.3 0.9 18.7 25 323 07 59 15 08 00 15 =1206+416 13 05 18 68.9 569.8 0.9 19.0 60 331 07 59 16 08 01 01 NGC4151 13 06 03 67.1 568.0 0.9 17.4 28 331 08 01 01 08 04 01 --- 13 09 04 67.0 569.4 1.0 18.2 180 354 08 01 02 08 04 42 J1209+4119 13 09 45 68.6 572.0 1.0 20.3 23 354 08 04 42 08 05 42 =1206+416 13 10 46 68.6 572.5 1.0 20.6 60 362 08 04 43 08 06 26 NGC4151 13 11 30 66.8 570.6 1.0 18.9 26 362 08 06 26 08 09 26 --- 13 14 30 66.6 572.0 1.1 19.7 180 385 08 06 27 08 10 05 J1209+4119 13 15 09 68.3 574.6 1.1 21.8 20 385 08 10 05 08 11 05 =1206+416 13 16 10 68.2 575.1 1.1 22.1 60 392 08 10 06 08 11 47 NGC4151 13 16 51 66.5 573.0 1.1 20.3 23 392 08 11 47 08 14 47 --- 13 19 52 66.2 574.4 1.1 21.1 180 415 08 11 48 08 15 24 J1209+4119 13 20 29 67.9 577.1 1.2 23.2 17 415 08 15 24 08 16 24 =1206+416 13 21 29 67.8 577.5 1.2 23.5 60 423 08 15 25 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 ---------------------------------------------------------------------------------------- --- Wed 7 Nov 2018 Day 311 --- 08 17 02 NGC4151 13 22 08 66.1 575.4 1.2 21.6 20 423 08 17 02 08 20 02 --- 13 25 08 65.9 576.7 1.2 22.4 180 446 08 17 03 08 20 39 J1209+4119 13 25 45 67.5 579.5 1.3 24.6 17 446 08 20 39 08 21 39 =1206+416 13 26 45 67.4 579.9 1.3 24.8 60 454 08 20 40 08 22 16 NGC4151 13 27 22 65.7 577.7 1.3 22.9 18 454 08 22 16 08 25 16 --- 13 30 22 65.5 579.0 1.3 23.6 180 477 08 22 17 08 27 22 3C286 13 32 29 59.9 540.2 0.0 0.1 62 477 08 27 22 08 29 22 --- 13 34 30 59.9 541.1 0.0 0.6 120 492 08 27 23 08 33 14 J1209+4119 13 38 22 66.5 584.9 1.5 27.5 164 492 08 33 14 08 34 14 =1206+416 13 39 22 66.4 585.3 1.5 27.7 60 500 08 33 15 08 34 51 NGC4151 13 39 59 64.7 583.0 1.5 25.7 18 500 08 34 51 08 37 51 --- 13 42 59 64.4 584.2 1.5 26.3 180 523 08 34 52 08 38 27 J1209+4119 13 43 36 66.0 587.1 1.6 28.6 17 523 08 38 27 08 39 27 =1206+416 13 44 36 65.9 587.5 1.6 28.8 60 531 08 38 28 08 40 04 NGC4151 13 45 13 64.3 585.1 1.6 26.8 17 531 08 40 04 08 43 04 --- 13 48 14 64.0 586.3 1.6 27.4 180 554 08 40 05 08 43 44 J1209+4119 13 48 54 65.5 589.2 1.6 29.7 20 554 08 43 44 08 44 44 =1206+416 13 49 54 65.4 589.6 1.7 29.9 60 562 08 43 45 08 45 22 NGC4151 13 50 32 63.8 587.2 1.7 27.8 18 562 08 45 22 08 48 22 --- 13 53 32 63.5 588.4 1.7 28.4 180 585 08 45 23 08 49 06 J1209+4119 13 54 16 65.0 591.3 1.7 30.7 24 585 08 49 06 08 50 06 =1206+416 13 55 16 64.9 591.7 1.7 30.9 60 592 08 49 07 08 50 47 NGC4151 13 55 58 63.3 589.3 1.7 28.8 22 592 08 50 47 08 53 47 --- 13 58 58 63.0 590.4 1.8 29.3 180 615 08 50 48 08 54 34 J1209+4119 13 59 45 64.5 593.3 1.8 31.6 27 615 08 54 34 08 55 34 =1206+416 14 00 45 64.4 593.7 1.8 31.8 60 623 08 54 35 08 56 18 NGC4151 14 01 29 62.8 591.3 1.8 29.8 25 623 08 56 18 08 59 18 --- 14 04 30 62.5 592.4 1.9 30.3 180 646 08 56 19 09 00 07 J1209+4119 14 05 19 63.9 595.4 1.9 32.6 29 646 09 00 07 09 01 07 =1206+416 14 06 19 63.8 595.7 1.9 32.7 60 654 09 00 08 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 ---------------------------------------------------------------------------------------- --- Wed 7 Nov 2018 Day 311 --- 09 01 57 NGC4151 14 07 09 62.2 593.4 1.9 30.7 31 654 09 01 57 09 04 57 --- 14 10 10 61.9 594.5 2.0 31.1 180 677 09 01 58 09 05 57 J1209+4119 14 11 10 63.3 597.4 2.0 33.5 40 677 09 05 57 09 06 57 =1206+416 14 12 10 63.2 597.8 2.0 33.6 60 685 09 05 58 09 07 45 NGC4151 14 12 58 61.6 595.4 2.0 31.6 28 685 09 07 45 09 10 45 --- 14 15 59 61.3 596.5 2.1 32.0 180 708 09 07 46 09 11 36 J1209+4119 14 16 51 62.7 599.4 2.1 34.3 32 708 09 11 36 09 12 36 =1206+416 14 17 51 62.6 599.7 2.1 34.4 60 715 09 11 37 09 13 25 NGC4151 14 18 40 61.0 597.4 2.1 32.4 30 715 09 13 25 09 16 25 --- 14 21 40 60.7 598.4 2.2 32.8 180 738 09 13 26 09 17 18 J1209+4119 14 22 33 62.1 601.3 2.2 35.0 33 738 09 17 18 09 18 18 =1206+416 14 23 33 62.0 601.6 2.2 35.1 60 746 09 17 19 09 19 07 NGC4151 14 24 23 60.4 599.3 2.2 33.1 30 746 09 19 07 09 22 07 --- 14 27 23 60.1 600.3 2.3 33.5 180 769 09 19 08 09 23 00 J1209+4119 14 28 16 61.5 603.2 2.3 35.7 33 769 09 23 00 09 24 00 =1206+416 14 29 16 61.4 603.5 2.3 35.8 60 777 09 23 01 09 24 50 NGC4151 14 30 06 59.8 601.1 2.3 33.8 31 777 09 24 50 09 27 50 --- 14 33 07 59.5 602.1 2.4 34.2 180 800 09 24 51 09 28 54 J1209+4119 14 34 11 60.8 605.0 2.4 36.4 44 800 09 28 54 09 29 54 =1206+416 14 35 11 60.7 605.3 2.4 36.5 60 808 09 28 55 09 30 51 NGC4151 14 36 08 59.2 603.0 2.4 34.5 37 808 09 30 51 09 33 51 --- 14 39 09 58.8 604.0 2.5 34.8 180 831 09 30 52 09 34 43 J1209+4119 14 40 01 60.2 606.8 2.5 37.0 33 831 09 34 43 09 35 43 =1206+416 14 41 01 60.1 607.1 2.5 37.1 60 838 09 34 44 09 36 33 NGC4151 14 41 52 58.5 604.8 2.5 35.1 31 838 09 36 33 09 39 33 --- 14 44 52 58.2 605.7 2.6 35.4 180 862 09 36 34 09 40 26 J1209+4119 14 45 45 59.5 608.5 2.6 37.5 33 862 09 40 26 09 41 26 =1206+416 14 46 45 59.4 608.8 2.6 37.6 60 869 09 40 27 09 42 16 NGC4151 14 47 35 57.9 606.5 2.6 35.7 31 869 09 42 16 09 45 16 --- 14 50 35 57.6 607.4 2.7 35.9 180 892 09 42 17 Schedule for SVETLOE (Code Sv ) Page 6 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 ---------------------------------------------------------------------------------------- --- Wed 7 Nov 2018 Day 311 --- 09 46 08 J1209+4119 14 51 27 58.9 610.2 2.7 38.0 32 892 09 46 08 09 47 08 =1206+416 14 52 28 58.8 610.5 2.7 38.1 60 900 09 46 09 09 47 57 NGC4151 14 53 18 57.3 608.2 2.7 36.2 31 900 09 47 57 09 49 10 --- 14 54 31 57.1 608.5 2.7 36.3 73 909 09 47 58 09 50 02 J1209+4119 14 55 23 58.4 611.3 2.8 38.3 32 909 09 50 02 09 51 02 =1206+416 14 56 23 58.3 611.6 2.8 38.4 60 917 09 50 03 09 58 00 3C286 15 03 22 56.3 577.1 1.5 20.1 356 917 09 58 00 10 00 00 --- 15 05 22 56.1 577.8 1.6 20.5 120 932 09 58 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess318.K1024 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: 1024 Format: MARK5B Bits per sample: 2 Sample rate: 32.000 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= 22187.49 22187.49 22187.49 22187.49 22219.49 22219.49 22219.49 22219.49 22251.49 22251.49 22251.49 22251.49 22283.49 22283.49 22283.49 22283.49 BBC fr= 267.49 267.49 267.49 267.49 299.49 299.49 299.49 299.49 331.49 331.49 331.49 331.49 363.49 363.49 363.49 363.49 Bandwd= 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 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 27.093464 0.00 39 41 02.10308 * 39 24 21.03100 39 18 06.07593 0.00 From catalog imbedded in main SCHED input file. 1206+416 12 06 51.117947 * 12 09 22.788006 12 10 17.293473 0.17 * J1209+4119 41 36 22.62761 * 41 19 41.37011 41 13 25.77323 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 31 58.011500 0.17 J1331+3030 30 45 58.64066 * 30 30 32.95930 30 24 53.55359 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 sess318.K1024 1 2 3 4 5 6 7 8 9 10 14 15 1.420 132.674 J1209+4119 sess318.K1024 1 2 3 4 5 6 7 8 9 10 14 15 0.500 48.924 3C286 sess318.K1024 1 2 3 4 5 6 7 8 9 10 14 15 0.100 11.666 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 66.7 J1209+4119 68.3 3C286 50.3 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