COVER INFORMATION Station: BADARY (Code Bd ) Experiment: The variable VLBI core of NGC 4151 Exp. Code: EP113D 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 ---------------------------------------------------------------------------------------- --- Mon 11 Mar 2019 Day 70 --- 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 23 00 00 3C286 17 06 12 45.6 622.7 3.6 45.4 0 0 23 00 00 23 02 00 --- 17 08 12 45.3 623.1 3.6 45.4 120 15 23 00 01 23 04 20 J1209+4119 17 10 32 39.6 649.4 5.0 50.9 89 15 23 04 20 23 06 20 =1206+416 17 12 33 39.3 649.7 5.0 50.8 120 31 23 04 21 23 06 20 NGC4151 17 12 33 38.3 647.6 5.0 49.7 -18 31 No stop 23 10 20 --- 17 16 33 37.7 648.2 5.1 49.4 222 62 23 06 21 23 10 20 J1209+4119 17 16 33 38.7 650.3 5.1 50.5 -18 62 No stop 23 12 20 =1206+416 17 18 34 38.5 650.6 5.1 50.4 102 77 23 10 21 23 12 20 NGC4151 17 18 34 37.4 648.5 5.1 49.3 -18 77 No stop 23 16 20 --- 17 22 34 36.8 649.2 5.2 49.0 222 108 23 12 21 23 17 00 J1209+4119 17 23 14 37.8 651.3 5.2 50.0 22 108 23 17 00 23 19 00 =1206+416 17 25 15 37.5 651.6 5.2 49.9 120 123 23 17 01 23 19 00 NGC4151 17 25 15 36.4 649.6 5.2 48.9 -18 123 No stop 23 23 00 --- 17 29 15 35.8 650.2 5.3 48.6 222 154 23 19 01 23 23 00 J1209+4119 17 29 15 36.9 652.2 5.3 49.6 -18 154 No stop 23 25 00 =1206+416 17 31 16 36.6 652.5 5.3 49.5 102 169 23 23 01 23 25 00 NGC4151 17 31 16 35.5 650.6 5.3 48.5 -17 169 No stop 23 29 00 --- 17 35 16 35.0 651.2 5.4 48.2 223 200 23 25 01 23 29 40 J1209+4119 17 35 57 36.0 653.2 5.4 49.1 22 200 23 29 40 23 31 40 =1206+416 17 37 57 35.7 653.5 5.5 49.0 120 215 23 29 41 23 31 40 NGC4151 17 37 57 34.6 651.6 5.4 48.0 -17 215 No stop 23 35 40 --- 17 41 58 34.0 652.2 5.5 47.7 223 246 23 31 41 23 35 40 J1209+4119 17 41 58 35.1 654.2 5.5 48.6 -17 246 No stop 23 37 40 =1206+416 17 43 58 34.8 654.5 5.6 48.5 103 262 23 35 41 23 37 40 NGC4151 17 43 58 33.7 652.6 5.5 47.6 -17 262 No stop 23 41 40 --- 17 47 59 33.1 653.2 5.6 47.3 223 292 23 37 41 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 ---------------------------------------------------------------------------------------- --- Mon 11 Mar 2019 Day 70 --- 23 42 20 J1209+4119 17 48 39 34.2 655.2 5.6 48.1 23 292 23 42 20 23 44 20 =1206+416 17 50 39 33.9 655.5 5.7 48.0 120 308 23 42 21 23 44 20 NGC4151 17 50 39 32.8 653.6 5.7 47.1 -17 308 No stop 23 48 20 --- 17 54 40 32.2 654.2 5.7 46.8 223 338 23 44 21 23 48 20 J1209+4119 17 54 40 33.3 656.1 5.7 47.6 -17 338 No stop 23 50 20 =1206+416 17 56 40 33.1 656.4 5.8 47.5 103 354 23 48 21 23 50 20 NGC4151 17 56 40 31.9 654.5 5.8 46.7 -17 354 No stop 23 54 20 --- 18 00 41 31.3 655.2 5.8 46.4 223 385 23 50 21 23 55 00 J1209+4119 18 01 21 32.4 657.1 5.8 47.1 23 385 23 55 00 23 57 00 =1206+416 18 03 21 32.1 657.4 5.9 46.9 120 400 23 55 01 --- Start: Mon 11 Mar 2019 Day 70 -- Stop: Tue 12 Mar 2019 Day 71 --- 23 57 00 NGC4151 18 03 21 31.0 655.6 5.9 46.2 -17 400 No stop 00 01 00 --- 18 07 22 30.4 656.2 5.9 45.8 223 431 23 57 01 00 01 00 J1209+4119 18 07 22 31.6 658.0 6.0 46.6 -17 431 No stop 00 03 00 =1206+416 18 09 22 31.3 658.3 6.0 46.4 103 446 00 01 01 00 03 00 NGC4151 18 09 22 30.1 656.5 6.0 45.7 -17 446 No stop 00 07 00 --- 18 13 23 29.6 657.2 6.0 45.4 223 477 00 03 01 00 07 40 J1209+4119 18 14 03 30.7 659.0 6.1 46.0 23 477 00 07 40 00 09 40 =1206+416 18 16 03 30.4 659.3 6.1 45.8 120 492 00 07 41 00 09 40 NGC4151 18 16 03 29.2 657.6 6.1 45.1 -17 492 No stop 00 13 40 --- 18 20 04 28.7 658.2 6.1 44.8 223 523 00 09 41 00 13 40 J1209+4119 18 20 04 29.9 659.9 6.2 45.5 -17 523 No stop 00 15 40 =1206+416 18 22 04 29.6 660.2 6.2 45.3 103 538 00 13 41 00 15 40 NGC4151 18 22 04 28.4 658.5 6.2 44.6 -17 538 No stop 00 19 40 --- 18 26 05 27.8 659.1 6.2 44.3 223 569 00 15 41 00 20 20 J1209+4119 18 26 45 29.0 661.0 6.3 44.9 23 569 00 20 20 00 22 20 =1206+416 18 28 45 28.7 661.3 6.3 44.7 120 585 00 20 21 00 22 20 NGC4151 18 28 45 27.5 659.6 6.3 44.1 -17 585 No stop 00 26 20 --- 18 32 46 26.9 660.2 6.4 43.7 223 615 00 22 21 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 ---------------------------------------------------------------------------------------- --- Tue 12 Mar 2019 Day 71 --- 00 26 20 J1209+4119 18 32 46 28.2 661.9 6.4 44.3 -17 615 No stop 00 28 20 =1206+416 18 34 46 27.9 662.2 6.4 44.1 103 631 00 26 21 00 28 20 NGC4151 18 34 46 26.7 660.5 6.4 43.6 -16 631 No stop 00 32 20 --- 18 38 47 26.1 661.1 6.5 43.2 224 662 00 28 21 00 33 00 J1209+4119 18 39 27 27.3 662.9 6.5 43.7 23 662 00 33 00 00 35 00 =1206+416 18 41 27 27.0 663.2 6.5 43.5 120 677 00 33 01 00 37 20 3C286 18 43 48 30.6 641.5 5.2 44.7 93 677 00 37 20 00 40 00 --- 18 46 28 30.2 642.0 5.2 44.6 160 697 00 37 21 00 42 00 J1209+4119 18 48 28 26.1 664.3 6.6 42.8 73 697 00 42 00 00 44 00 =1206+416 18 50 29 25.9 664.6 6.7 42.6 120 713 00 42 01 00 44 00 NGC4151 18 50 29 24.6 663.0 6.6 42.1 -16 713 No stop 00 48 00 --- 18 54 29 24.1 663.6 6.7 41.8 224 744 00 44 01 00 48 40 J1209+4119 18 55 10 25.3 665.3 6.7 42.2 24 744 00 48 40 00 50 40 =1206+416 18 57 10 25.0 665.6 6.8 42.0 120 759 00 48 41 00 50 40 NGC4151 18 57 10 23.8 664.0 6.8 41.5 -16 759 No stop 00 54 40 --- 19 01 11 23.2 664.7 6.8 41.1 224 790 00 50 41 00 54 40 J1209+4119 19 01 11 24.5 666.2 6.8 41.6 -16 790 No stop 00 56 40 =1206+416 19 03 11 24.3 666.5 6.9 41.4 104 805 00 54 41 00 56 40 NGC4151 19 03 11 23.0 665.0 6.9 40.9 -16 805 No stop 01 00 40 --- 19 07 12 22.5 665.6 6.9 40.5 224 836 00 56 41 01 01 20 J1209+4119 19 07 52 23.7 667.3 7.0 40.9 24 836 01 01 20 01 03 20 =1206+416 19 09 52 23.5 667.6 7.0 40.7 120 851 01 01 21 01 03 20 NGC4151 19 09 52 22.1 666.0 7.0 40.3 -16 851 No stop 01 07 20 --- 19 13 53 21.6 666.7 7.0 39.9 224 882 01 03 21 01 07 20 J1209+4119 19 13 53 23.0 668.2 7.1 40.3 -16 882 No stop 01 09 20 =1206+416 19 15 53 22.7 668.5 7.1 40.1 104 897 01 07 21 01 09 20 NGC4151 19 15 53 21.4 667.0 7.1 39.7 -16 897 No stop 01 13 20 --- 19 19 54 20.9 667.6 7.1 39.3 224 928 01 09 21 01 14 00 J1209+4119 19 20 34 22.2 669.3 7.2 39.6 24 928 01 14 00 01 16 00 =1206+416 19 22 34 21.9 669.6 7.2 39.4 120 944 01 14 01 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 ---------------------------------------------------------------------------------------- --- Tue 12 Mar 2019 Day 71 --- 01 16 00 NGC4151 19 22 34 20.6 668.1 7.2 39.0 -16 944 No stop 01 20 00 --- 19 26 35 20.1 668.7 7.3 38.6 224 974 01 16 01 01 20 00 J1209+4119 19 26 35 21.4 670.2 7.3 38.9 -16 974 No stop 01 22 00 =1206+416 19 28 35 21.2 670.5 7.3 38.7 104 990 01 20 01 01 22 00 NGC4151 19 28 35 19.8 669.0 7.3 38.4 -16 990 No stop 01 26 00 --- 19 32 36 19.4 669.7 7.4 38.0 224 1021 01 22 01 01 26 40 J1209+4119 19 33 16 20.7 671.2 7.4 38.2 24 1021 01 26 40 01 28 40 =1206+416 19 35 16 20.4 671.6 7.4 38.0 120 1036 01 26 41 01 28 40 NGC4151 19 35 16 19.1 670.1 7.4 37.7 -16 1036 No stop 01 32 40 --- 19 39 17 18.6 670.8 7.5 37.3 224 1067 01 28 41 01 32 40 J1209+4119 19 39 17 20.0 672.2 7.5 37.6 -16 1067 No stop 01 34 40 =1206+416 19 41 17 19.7 672.5 7.5 37.3 104 1082 01 32 41 01 34 40 NGC4151 19 41 17 18.3 671.1 7.5 37.1 -16 1082 No stop 01 38 40 --- 19 45 18 17.9 671.8 7.6 36.6 224 1113 01 34 41 01 39 20 J1209+4119 19 45 58 19.2 673.3 7.6 36.8 24 1113 01 39 20 01 41 20 =1206+416 19 47 58 19.0 673.6 7.6 36.6 120 1128 01 39 21 01 41 20 NGC4151 19 47 58 17.6 672.2 7.6 36.3 -16 1128 No stop 01 45 20 --- 19 51 59 17.1 672.8 7.7 35.9 224 1159 01 41 21 01 45 20 J1209+4119 19 51 59 18.5 674.2 7.7 36.1 -16 1159 No stop 01 47 20 =1206+416 19 53 59 18.3 674.5 7.7 35.9 104 1174 01 45 21 01 47 20 NGC4151 19 53 59 16.9 673.2 7.7 35.7 -16 1174 No stop 01 51 20 --- 19 58 00 16.4 673.8 7.8 35.2 224 1205 01 47 21 01 52 00 J1209+4119 19 58 40 17.8 675.3 7.8 35.4 24 1205 01 52 00 01 54 00 =1206+416 20 00 40 17.6 675.6 7.8 35.1 120 1221 01 52 01 01 54 00 NGC4151 20 00 40 16.1 674.3 7.8 34.9 -16 1221 No stop 01 58 00 --- 20 04 41 15.7 674.9 7.9 34.5 224 1251 01 54 01 01 58 00 J1209+4119 20 04 41 17.2 676.3 7.9 34.7 -16 1251 No stop 02 00 00 =1206+416 20 06 41 16.9 676.6 7.9 34.4 104 1267 01 58 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess119.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 31.060957 0.00 39 41 02.10308 * 39 24 21.03100 39 17 54.18012 0.00 From catalog imbedded in main SCHED input file. 1206+416 12 06 51.117947 * 12 09 22.788006 12 10 21.343591 0.17 * J1209+4119 41 36 22.62761 * 41 19 41.37011 41 13 14.53916 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 01.677600 0.17 J1331+3030 30 45 58.64066 * 30 30 32.95930 30 24 33.31208 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 sess119.K1024 1 2 3 4 5 6 7 8 9 10 14 15 1.733 140.223 J1209+4119 sess119.K1024 1 2 3 4 5 6 7 8 9 10 14 15 0.933 77.892 3C286 sess119.K1024 1 2 3 4 5 6 7 8 9 10 14 15 0.078 9.942 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 142.8 J1209+4119 141.1 3C286 140.2 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