COVER INFORMATION Station: NOTO (Code Nt ) 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 NOTO (Code Nt ) 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: 270.49 270.49 270.49 270.49 334.49 334.49 334.49 334.49 398.49 398.49 398.49 398.49 462.49 462.49 462.49 462.49 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 11 15 00 60.9 92.7 -2.3 -67.9 0 0 17 00 00 17 02 00 --- 11 17 01 61.3 93.0 -2.3 -67.9 120 31 17 00 01 17 04 20 J1209+4119 11 19 21 79.2 62.3 -0.8 -109.6 96 31 17 04 20 17 06 20 =1206+416 11 21 21 79.6 61.6 -0.8 -110.6 120 62 17 04 21 17 06 20 NGC4151 11 21 21 79.8 72.4 -0.8 -99.9 -17 62 No stop 17 10 20 --- 11 25 22 80.6 71.5 -0.8 -101.3 223 124 17 06 21 17 10 20 J1209+4119 11 25 22 80.3 60.1 -0.7 -112.8 -18 124 No stop 17 12 20 =1206+416 11 27 22 80.6 59.1 -0.7 -114.1 102 155 17 10 21 17 12 20 NGC4151 11 27 22 81.0 71.0 -0.7 -102.2 -18 155 No stop 17 16 20 --- 11 31 23 81.7 69.9 -0.7 -103.9 222 216 17 12 21 17 17 00 J1209+4119 11 32 03 81.4 56.7 -0.6 -117.2 20 216 17 17 00 17 19 00 =1206+416 11 34 03 81.7 55.5 -0.6 -118.8 120 247 17 17 01 17 19 00 NGC4151 11 34 03 82.2 68.9 -0.6 -105.3 -21 247 No stop 17 23 00 --- 11 38 04 83.0 67.2 -0.6 -107.6 219 309 17 19 01 17 23 00 J1209+4119 11 38 04 82.4 52.7 -0.5 -122.2 -23 309 No stop 17 25 00 =1206+416 11 40 04 82.7 51.2 -0.5 -124.1 97 340 17 23 01 17 25 00 NGC4151 11 40 04 83.4 66.2 -0.5 -109.0 -23 340 No stop 17 29 00 --- 11 44 05 84.1 63.7 -0.5 -112.1 217 402 17 25 01 17 29 40 J1209+4119 11 44 45 83.4 46.8 -0.4 -129.1 15 402 17 29 40 17 31 40 =1206+416 11 46 46 83.7 44.6 -0.4 -131.6 120 433 17 29 41 17 31 40 NGC4151 11 46 46 84.6 61.6 -0.4 -114.6 -25 433 No stop 17 35 40 --- 11 50 46 85.3 57.7 -0.3 D -119.1 0 495 17 31 41 17 35 40 J1209+4119 11 50 46 84.2 39.6 -0.3 -137.3 -28 495 No stop 17 37 40 =1206+416 11 52 47 84.5 36.7 -0.3 -140.5 92 526 17 35 41 17 42 20 J1209+4119 11 57 27 85.0 28.9 -0.2 -149.1 278 526 17 42 20 17 44 20 =1206+416 11 59 28 85.2 25.1 -0.2 D -153.2 0 556 17 42 21 Schedule for NOTO (Code Nt ) 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 --- 18 07 40 J1209+4119 12 22 51 85.0 -28.2 0.2 D 149.8 1394 556 18 07 40 18 09 40 =1206+416 12 24 52 84.8 -31.8 0.2 145.9 0 587 18 07 41 18 13 40 J1209+4119 12 28 52 84.4 -38.2 0.3 138.9 238 587 18 13 40 18 15 40 =1206+416 12 30 53 84.1 -40.9 0.3 135.8 120 618 18 13 41 18 15 40 NGC4151 12 30 53 85.5 -56.0 0.3 D 121.0 -24 618 No stop 18 19 40 --- 12 34 53 84.8 -60.4 0.4 116.0 0 680 18 15 41 18 20 20 J1209+4119 12 35 34 83.5 -46.4 0.4 129.6 18 680 18 20 20 18 22 20 =1206+416 12 37 34 83.2 -48.4 0.5 127.3 120 711 18 20 21 18 22 20 NGC4151 12 37 34 84.3 -62.7 0.4 113.3 -22 711 No stop 18 26 20 --- 12 41 35 83.6 -65.4 0.5 110.0 218 773 18 22 21 18 26 20 J1209+4119 12 41 35 82.5 -51.9 0.5 123.1 -20 773 No stop 18 28 20 =1206+416 12 43 35 82.2 -53.4 0.6 121.3 100 804 18 26 21 18 28 20 NGC4151 12 43 35 83.2 -66.5 0.5 108.5 -20 804 No stop 18 32 20 --- 12 47 35 82.5 -68.4 0.6 106.0 220 866 18 28 21 18 33 00 J1209+4119 12 48 16 81.5 -56.5 0.6 117.5 21 866 18 33 00 18 35 00 =1206+416 12 50 16 81.1 -57.6 0.7 116.1 120 897 18 33 01 18 37 20 3C286 12 52 36 79.6 125.4 -0.7 -49.1 -120 897 18 37 20 18 40 00 --- 12 55 17 80.0 127.6 -0.6 -47.3 40 938 18 37 21 ---------- Ef out for pointing ---------- 18 43 00 J1209+4119 12 58 17 79.7 298.7 0.8 111.2 -60 938 18 43 00 18 45 00 =1206+416 13 00 18 79.4 298.0 0.8 110.1 60 969 18 43 01 18 45 00 NGC4151 13 00 18 80.1 287.9 0.8 100.4 -16 969 No stop 18 48 30 --- 13 03 48 79.4 287.3 0.9 99.2 194 1023 18 45 01 18 49 10 J1209+4119 13 04 28 78.6 296.7 0.9 108.1 25 1023 18 49 10 18 51 10 =1206+416 13 06 29 78.3 296.1 0.9 107.2 120 1054 18 49 11 ---------- Ef back ---------- 18 51 10 NGC4151 13 06 29 78.9 286.8 0.9 98.3 -15 1054 No stop 18 54 40 --- 13 09 59 78.3 286.4 1.0 97.3 195 1108 18 51 11 18 54 40 J1209+4119 13 09 59 77.7 295.2 1.0 105.8 -14 1108 No stop 18 56 40 =1206+416 13 11 59 77.3 294.7 1.0 105.0 106 1139 18 54 41 Schedule for NOTO (Code Nt ) 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 56 40 NGC4151 13 11 59 77.9 286.1 1.0 96.8 -14 1139 No stop 19 00 40 --- 13 16 00 77.1 285.8 1.1 95.8 226 1201 18 56 41 19 01 20 J1209+4119 13 16 40 76.4 293.8 1.1 103.3 27 1201 19 01 20 19 03 20 =1206+416 13 18 41 76.1 293.4 1.1 102.6 120 1232 19 01 21 19 03 20 NGC4151 13 18 41 76.6 285.5 1.1 95.1 -13 1232 No stop 19 07 20 --- 13 22 41 75.8 285.3 1.2 94.2 227 1293 19 03 21 19 07 20 J1209+4119 13 22 41 75.3 292.8 1.2 101.3 -12 1293 No stop 19 09 20 =1206+416 13 24 42 75.0 292.5 1.2 100.7 108 1324 19 07 21 19 09 20 NGC4151 13 24 42 75.4 285.2 1.2 93.8 -12 1324 No stop 19 13 20 --- 13 28 42 74.6 285.0 1.3 93.0 228 1386 19 09 21 19 14 00 J1209+4119 13 29 22 74.1 291.9 1.3 99.4 28 1386 19 14 00 19 16 00 =1206+416 13 31 23 73.7 291.7 1.4 98.9 120 1417 19 14 01 19 16 00 NGC4151 13 31 23 74.1 284.9 1.3 92.5 -12 1417 No stop 19 20 00 --- 13 35 23 73.4 284.8 1.4 91.8 228 1479 19 16 01 19 20 00 J1209+4119 13 35 23 73.0 291.3 1.4 97.8 -11 1479 No stop 19 22 00 =1206+416 13 37 24 72.6 291.2 1.5 97.4 109 1510 19 20 01 19 22 00 NGC4151 13 37 24 73.0 284.7 1.4 91.4 -11 1510 No stop 19 26 00 --- 13 41 24 72.2 284.7 1.5 90.7 229 1572 19 22 01 19 26 40 J1209+4119 13 42 04 71.7 290.8 1.5 96.3 29 1572 19 26 40 19 28 40 =1206+416 13 44 05 71.4 290.7 1.6 95.8 120 1603 19 26 41 19 28 40 NGC4151 13 44 05 71.7 284.7 1.5 90.3 -10 1603 No stop 19 32 40 --- 13 48 05 70.9 284.7 1.6 89.7 230 1664 19 28 41 19 32 40 J1209+4119 13 48 05 70.6 290.5 1.6 94.9 -10 1664 No stop 19 34 40 =1206+416 13 50 06 70.2 290.4 1.7 94.5 110 1695 19 32 41 19 34 40 NGC4151 13 50 06 70.5 284.7 1.6 89.3 -10 1695 No stop 19 38 40 --- 13 54 06 69.7 284.7 1.7 88.7 230 1757 19 34 41 19 39 20 J1209+4119 13 54 46 69.3 290.2 1.7 93.6 30 1757 19 39 20 19 41 20 =1206+416 13 56 47 69.0 290.2 1.8 93.2 120 1788 19 39 21 19 41 20 NGC4151 13 56 47 69.2 284.8 1.8 88.4 -10 1788 No stop 19 45 20 --- 14 00 47 68.4 284.8 1.8 87.8 230 1850 19 41 21 Schedule for NOTO (Code Nt ) 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 45 20 J1209+4119 14 00 47 68.2 290.1 1.8 92.4 -9 1850 No stop 19 47 20 =1206+416 14 02 48 67.8 290.0 1.9 92.1 111 1881 19 45 21 19 47 20 NGC4151 14 02 48 68.1 284.9 1.9 87.5 -9 1881 No stop 19 51 20 --- 14 06 48 67.3 285.0 1.9 87.0 231 1943 19 47 21 19 52 00 J1209+4119 14 07 29 67.0 289.9 2.0 91.2 31 1943 19 52 00 19 54 00 =1206+416 14 09 29 66.6 289.9 2.0 90.9 120 1974 19 52 01 19 54 00 NGC4151 14 09 29 66.8 285.1 2.0 86.6 -9 1974 No stop 19 58 00 --- 14 13 30 66.0 285.2 2.0 86.1 231 2035 19 54 01 19 58 00 J1209+4119 14 13 30 65.8 289.9 2.1 90.2 -9 2035 No stop 20 00 00 =1206+416 14 15 30 65.5 289.9 2.1 89.9 111 2066 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 --- 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: 8 Station: NOTO Total bit rate: 2048 Format: VDIF Bits per sample: 2 Sample rate: 64.000 Number of channels: 16 DBE type: DBBC_DDC Speedup factor: 1.00 Disk used to record data. 1st LO= 21869.00 21869.00 21869.00 21869.00 21869.00 21869.00 21869.00 21869.00 21869.00 21869.00 21869.00 21869.00 21869.00 21869.00 21869.00 21869.00 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 = A1 C2 A1 C2 A1 C2 A1 C2 A1 C2 A1 C2 A1 C2 A1 C2 The following frequency sets based on these setups were used. Frequency Set: 4 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= 270.49 270.49 270.49 270.49 334.49 334.49 334.49 334.49 398.49 398.49 398.49 398.49 462.49 462.49 462.49 462.49 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: 4 Track assignments are: track1= 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 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