COVER INFORMATION Station: BADARY (Code Bd ) 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 BADARY (Code Bd ) 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 16 54 41 47.4 620.1 3.4 45.0 0 0 07 00 00 07 02 00 --- 16 56 41 47.1 620.6 3.4 45.1 120 15 07 00 01 07 03 49 J1209+4119 16 58 31 41.4 647.5 4.8 51.7 57 15 07 03 49 07 04 49 =1206+416 16 59 31 41.2 647.7 4.8 51.6 60 23 07 03 50 07 05 36 NGC4151 17 00 18 40.1 645.6 4.8 50.4 29 23 07 05 36 07 08 36 --- 17 03 18 39.6 646.1 4.9 50.2 180 46 07 05 37 07 09 21 J1209+4119 17 04 04 40.6 648.4 4.9 51.3 27 46 07 09 21 07 10 21 =1206+416 17 05 04 40.4 648.5 4.9 51.3 60 54 07 09 22 07 11 08 NGC4151 17 05 51 39.3 646.5 4.9 50.1 29 54 07 11 08 07 14 08 --- 17 08 52 38.8 647.0 5.0 49.9 180 77 07 11 09 07 14 54 J1209+4119 17 09 37 39.7 649.2 5.0 51.0 28 77 07 14 54 07 15 54 =1206+416 17 10 38 39.6 649.4 5.0 50.9 60 85 07 14 55 07 16 41 NGC4151 17 11 25 38.4 647.4 5.0 49.7 30 85 07 16 41 07 19 41 --- 17 14 26 38.0 647.9 5.0 49.5 180 108 07 16 42 07 20 27 J1209+4119 17 15 12 38.9 650.1 5.1 50.6 28 108 07 20 27 07 21 27 =1206+416 17 16 12 38.8 650.2 5.1 50.5 60 115 07 20 28 07 22 15 NGC4151 17 16 59 37.6 648.3 5.1 49.4 30 115 07 22 15 07 25 15 --- 17 20 00 37.2 648.8 5.1 49.2 180 138 07 22 16 07 26 01 J1209+4119 17 20 46 38.1 650.9 5.2 50.2 28 138 07 26 01 07 27 01 =1206+416 17 21 46 38.0 651.1 5.2 50.1 60 146 07 26 02 07 27 48 NGC4151 17 22 34 36.8 649.2 5.2 49.0 30 146 07 27 48 07 30 48 --- 17 25 35 36.4 649.7 5.2 48.9 180 169 07 27 49 07 31 34 J1209+4119 17 26 21 37.3 651.8 5.3 49.8 28 169 07 31 34 07 32 34 =1206+416 17 27 21 37.2 651.9 5.3 49.7 60 177 07 31 35 07 33 22 NGC4151 17 28 09 36.0 650.1 5.3 48.7 30 177 07 33 22 07 36 22 --- 17 31 09 35.5 650.6 5.3 48.5 180 200 07 33 23 Schedule for BADARY (Code Bd ) 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 17 31 55 36.5 652.6 5.4 49.4 28 200 07 37 08 07 38 08 =1206+416 17 32 56 36.4 652.8 5.4 49.3 60 208 07 37 09 07 38 56 NGC4151 17 33 44 35.2 651.0 5.4 48.3 30 208 07 38 56 07 41 56 --- 17 36 44 34.7 651.4 5.4 48.1 180 231 07 38 57 07 42 42 J1209+4119 17 37 30 35.7 653.5 5.5 49.0 28 231 07 42 42 07 43 42 =1206+416 17 38 30 35.6 653.6 5.5 48.9 60 238 07 42 43 07 44 29 NGC4151 17 39 18 34.4 651.8 5.5 47.9 30 238 07 44 29 07 47 29 --- 17 42 18 33.9 652.3 5.5 47.7 180 262 07 44 30 07 48 14 J1209+4119 17 43 03 34.9 654.3 5.5 48.6 27 262 07 48 14 07 49 14 =1206+416 17 44 03 34.8 654.5 5.6 48.5 60 269 07 48 15 07 50 01 NGC4151 17 44 51 33.6 652.7 5.6 47.5 30 269 07 50 01 07 53 01 --- 17 47 51 33.1 653.2 5.6 47.3 180 292 07 50 02 07 53 46 J1209+4119 17 48 36 34.2 655.2 5.6 48.1 27 292 07 53 46 07 54 46 =1206+416 17 49 36 34.0 655.3 5.7 48.0 60 300 07 53 47 07 55 32 NGC4151 17 50 22 32.8 653.6 5.6 47.1 29 300 07 55 32 07 58 32 --- 17 53 23 32.4 654.0 5.7 46.9 180 323 07 55 33 07 59 15 J1209+4119 17 54 06 33.4 656.0 5.7 47.7 26 323 07 59 15 08 00 15 =1206+416 17 55 06 33.3 656.2 5.7 47.6 60 331 07 59 16 08 01 01 NGC4151 17 55 52 32.0 654.4 5.7 46.7 28 331 08 01 01 08 04 01 --- 17 58 52 31.6 654.9 5.8 46.5 180 354 08 01 02 08 04 42 J1209+4119 17 59 34 32.6 656.8 5.8 47.2 24 354 08 04 42 08 05 42 =1206+416 18 00 34 32.5 657.0 5.8 47.1 60 362 08 04 43 08 06 26 NGC4151 18 01 18 31.2 655.3 5.8 46.3 27 362 08 06 26 08 09 26 --- 18 04 19 30.8 655.7 5.9 46.1 180 385 08 06 27 08 10 05 J1209+4119 18 04 58 31.9 657.7 5.9 46.8 22 385 08 10 05 08 11 05 =1206+416 18 05 58 31.8 657.8 5.9 46.7 60 392 08 10 06 08 11 47 NGC4151 18 06 40 30.5 656.1 5.9 45.9 25 392 08 11 47 08 14 47 --- 18 09 40 30.1 656.6 6.0 45.7 180 415 08 11 48 08 15 24 J1209+4119 18 10 17 31.2 658.5 6.0 46.3 20 415 08 15 24 08 16 24 =1206+416 18 11 17 31.0 658.6 6.0 46.2 60 423 08 15 25 Schedule for BADARY (Code Bd ) 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 18 11 56 29.8 656.9 6.0 45.5 22 423 08 17 02 08 20 02 --- 18 14 57 29.4 657.4 6.1 45.2 180 446 08 17 03 08 20 39 J1209+4119 18 15 34 30.5 659.3 6.1 45.9 20 446 08 20 39 08 21 39 =1206+416 18 16 34 30.3 659.4 6.1 45.8 60 454 08 20 40 08 22 16 NGC4151 18 17 10 29.1 657.8 6.1 45.0 20 454 08 22 16 08 25 16 --- 18 20 11 28.6 658.2 6.1 44.8 180 477 08 22 17 08 27 22 3C286 18 22 18 33.9 637.6 4.8 45.3 81 477 08 27 22 08 29 22 --- 18 24 18 33.6 638.0 4.9 45.3 120 492 08 27 23 08 33 14 J1209+4119 18 28 10 28.8 661.2 6.3 44.7 184 492 08 33 14 08 34 14 =1206+416 18 29 11 28.6 661.3 6.3 44.6 60 500 08 33 15 08 34 51 NGC4151 18 29 47 27.3 659.7 6.3 44.0 20 500 08 34 51 08 37 51 --- 18 32 48 26.9 660.2 6.4 43.7 180 523 08 34 52 08 38 27 J1209+4119 18 33 25 28.1 662.0 6.4 44.3 20 523 08 38 27 08 39 27 =1206+416 18 34 25 28.0 662.1 6.4 44.2 60 531 08 38 28 08 40 04 NGC4151 18 35 02 26.6 660.6 6.4 43.5 20 531 08 40 04 08 43 04 --- 18 38 02 26.2 661.0 6.4 43.3 180 554 08 40 05 08 43 44 J1209+4119 18 38 42 27.4 662.8 6.5 43.8 24 554 08 43 44 08 44 44 =1206+416 18 39 43 27.3 662.9 6.5 43.7 60 562 08 43 45 08 45 22 NGC4151 18 40 20 25.9 661.4 6.5 43.1 21 562 08 45 22 08 48 22 --- 18 43 21 25.5 661.9 6.5 42.8 180 585 08 45 23 08 49 06 J1209+4119 18 44 05 26.7 663.6 6.6 43.2 27 585 08 49 06 08 50 06 =1206+416 18 45 05 26.6 663.8 6.6 43.2 60 592 08 49 07 08 50 47 NGC4151 18 45 46 25.2 662.2 6.6 42.6 25 592 08 50 47 08 53 47 --- 18 48 47 24.8 662.7 6.6 42.3 180 615 08 50 48 08 54 34 J1209+4119 18 49 34 26.0 664.5 6.7 42.7 30 615 08 54 34 08 55 34 =1206+416 18 50 34 25.9 664.6 6.7 42.6 60 623 08 54 35 08 56 18 NGC4151 18 51 18 24.5 663.1 6.7 42.1 28 623 08 56 18 08 59 18 --- 18 54 18 24.1 663.6 6.7 41.8 180 646 08 56 19 09 00 07 J1209+4119 18 55 07 25.3 665.3 6.7 42.2 33 646 09 00 07 09 01 07 =1206+416 18 56 08 25.2 665.5 6.8 42.1 60 654 09 00 08 Schedule for BADARY (Code Bd ) 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 18 56 58 23.8 664.0 6.8 41.5 34 654 09 01 57 09 04 57 --- 18 59 58 23.4 664.5 6.8 41.2 180 677 09 01 58 09 05 57 J1209+4119 19 00 59 24.6 666.2 6.8 41.6 44 677 09 05 57 09 06 57 =1206+416 19 01 59 24.4 666.4 6.9 41.5 60 685 09 05 58 09 07 45 NGC4151 19 02 47 23.0 664.9 6.9 41.0 32 685 09 07 45 09 10 45 --- 19 05 47 22.6 665.4 6.9 40.7 180 708 09 07 46 09 11 36 J1209+4119 19 06 39 23.9 667.1 6.9 41.0 35 708 09 11 36 09 12 36 =1206+416 19 07 39 23.7 667.3 7.0 40.9 60 715 09 11 37 09 13 25 NGC4151 19 08 28 22.3 665.8 7.0 40.4 33 715 09 13 25 09 16 25 --- 19 11 29 21.9 666.3 7.0 40.1 180 738 09 13 26 09 17 18 J1209+4119 19 12 21 23.2 668.0 7.0 40.4 36 738 09 17 18 09 18 18 =1206+416 19 13 21 23.0 668.1 7.1 40.3 60 746 09 17 19 09 19 07 NGC4151 19 14 11 21.6 666.7 7.0 39.8 34 746 09 19 07 09 22 07 --- 19 17 12 21.2 667.2 7.1 39.5 180 769 09 19 08 09 23 00 J1209+4119 19 18 04 22.5 668.9 7.1 39.8 37 769 09 23 00 09 24 00 =1206+416 19 19 05 22.3 669.0 7.1 39.7 60 777 09 23 01 09 24 50 NGC4151 19 19 55 20.9 667.7 7.1 39.3 34 777 09 24 50 09 27 50 --- 19 22 55 20.5 668.1 7.2 39.0 180 800 09 24 51 09 28 54 J1209+4119 19 24 00 21.7 669.8 7.2 39.2 48 800 09 28 54 09 29 54 =1206+416 19 25 00 21.6 670.0 7.2 39.1 60 808 09 28 55 09 30 51 NGC4151 19 25 56 20.2 668.6 7.2 38.7 41 808 09 30 51 09 33 51 --- 19 28 57 19.8 669.1 7.3 38.3 180 831 09 30 52 09 34 43 J1209+4119 19 29 50 21.1 670.7 7.3 38.6 37 831 09 34 43 09 35 43 =1206+416 19 30 50 20.9 670.9 7.3 38.5 60 838 09 34 44 09 36 33 NGC4151 19 31 40 19.5 669.6 7.3 38.1 35 838 09 36 33 09 39 33 --- 19 34 41 19.1 670.0 7.4 37.7 180 862 09 36 34 09 40 26 J1209+4119 19 35 33 20.4 671.6 7.4 38.0 36 862 09 40 26 09 41 26 =1206+416 19 36 33 20.3 671.8 7.4 37.8 60 869 09 40 27 09 42 16 NGC4151 19 37 23 18.8 670.5 7.4 37.5 35 869 09 42 16 09 45 16 --- 19 40 24 18.4 671.0 7.5 37.1 180 892 09 42 17 Schedule for BADARY (Code Bd ) 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 19 41 16 19.7 672.5 7.5 37.3 36 892 09 46 08 09 47 08 =1206+416 19 42 16 19.6 672.7 7.5 37.2 60 900 09 46 09 09 47 57 NGC4151 19 43 06 18.1 671.4 7.5 36.9 34 900 09 47 57 09 49 10 --- 19 44 19 18.0 671.6 7.5 36.7 73 909 09 47 58 09 50 02 J1209+4119 19 45 11 19.3 673.2 7.6 36.9 36 909 09 50 02 09 51 02 =1206+416 19 46 11 19.2 673.3 7.6 36.8 60 917 09 50 03 09 58 00 3C286 19 53 10 20.4 653.6 6.4 41.1 372 917 09 58 00 10 00 00 --- 19 55 11 20.1 654.0 6.4 41.0 120 932 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: 3 Station: BADARY 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