COVER INFORMATION Station: VLBA_NL (Code Nl ) Experiment: The nuclear structure in nearby AGN Exp. Code: gs032d Schedule Version: 1.00 Processed by SCHED version: 11.30 Version 11.3 update 1. April 14, 2014 PI: Tuomas Savolainen Address: MPIfR Bonn Auf dem Huegel 69 53121 Bonn, Germany Phone: +49 228 525 473 EMAIL: tsavolainen@mpifr-bonn.mpg.de Fax: +49 228 525 229 Phone during observation: +7 903 661 4865 Observing mode: L-band, dual-pol Notes: L-band, Radioastron-compatible frequency setup Mark5C stations should record in Mk5B+ format P-CAL is ON, Tsys is ON, auto-level (AGC) is ON Please send diskpacks to MPIfR Bonn Schedule for VLBA_NL (Code Nl ) Page 2 The nuclear structure in nearby AGN 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 4 Jun 2014 Day 155 --- Next scan frequencies: 1668.00 1668.00 1668.00 1668.00 Next BBC frequencies: 932.00 932.00 932.00 932.00 Next scan bandwidths: 16.00 16.00 16.00 16.00 19 05 00 1228+126 05 51 16 0.8 74.2 -6.7 D -47.3 0 0 19 05 00 19 24 30 --- 06 10 49 4.4 77.4 -6.3 -48.2 0 38 19 05 01 19 29 00 1228+126 06 15 20 5.2 78.1 -6.3 -48.3 264 38 19 29 00 19 38 00 --- 06 24 22 6.8 79.6 -6.1 -48.7 540 55 19 29 01 ---------- Allow time for Kalyazin and Evpatoria to change source ---------- 19 38 30 1228+126 06 24 52 6.9 79.7 -6.1 -48.7 24 55 19 38 30 19 48 00 --- 06 34 23 8.7 81.2 -6.0 -49.0 570 73 19 38 31 19 57 00 1228+126 06 43 25 10.4 82.7 -5.8 -49.2 533 73 19 57 00 20 05 30 --- 06 51 56 11.9 84.1 -5.7 -49.4 510 90 19 57 01 20 06 00 1228+126 06 52 26 12.0 84.1 -5.7 -49.4 24 90 20 06 00 20 15 30 --- 07 01 58 13.8 85.7 -5.5 -49.6 570 108 20 06 01 20 16 30 1236+077 07 02 58 9.2 88.2 -5.6 -48.7 42 108 20 16 30 20 19 00 --- 07 05 28 9.6 88.6 -5.6 -48.8 150 113 20 16 31 20 20 00 1228+126 07 06 29 14.6 86.4 -5.4 -49.6 42 113 20 20 00 20 29 20 --- 07 15 50 16.4 88.0 -5.3 -49.7 560 131 20 20 01 ---------- Space segment 07: L-band VLBI scans ---------- 20 30 00 1228+126 07 16 30 16.5 88.1 -5.3 -49.7 34 131 20 30 00 20 49 30 --- 07 36 03 20.1 91.3 -4.9 -49.7 1170 169 20 30 01 20 50 00 1228+126 07 36 34 20.2 91.4 -4.9 -49.7 24 169 20 50 00 21 09 30 --- 07 56 07 23.9 94.7 -4.6 -49.5 1170 206 20 50 01 ---------- L-band GRT-only VLBI scans - segment 08L ---------- 21 10 30 1236+077 07 57 07 19.3 97.4 -4.7 -48.2 42 206 21 10 30 21 13 00 --- 07 59 37 19.7 97.8 -4.7 -48.2 150 211 21 10 31 21 14 00 1228+126 08 00 37 24.7 95.5 -4.5 -49.4 42 211 21 14 00 21 24 00 --- 08 10 39 26.6 97.3 -4.3 -49.2 600 231 21 14 01 Schedule for VLBA_NL (Code Nl ) Page 3 The nuclear structure in nearby AGN 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 4 Jun 2014 Day 155 --- ---------- Allow time for Kalyazin and Evpatoria to change source ---------- 21 24 30 1228+126 08 11 09 26.7 97.4 -4.3 -49.2 24 231 21 24 30 21 34 00 --- 08 20 41 28.4 99.1 -4.2 -48.9 570 249 21 24 31 21 35 00 1236+077 08 21 41 23.8 101.8 -4.3 -47.4 42 249 21 35 00 21 37 30 --- 08 24 11 24.2 102.2 -4.3 -47.3 150 254 21 35 01 21 38 30 1222+037 08 25 11 24.3 108.3 -4.0 -45.2 48 254 21 38 30 21 41 30 --- 08 28 12 24.8 108.9 -4.0 -45.0 180 260 21 38 31 21 43 00 1228+126 08 29 42 30.1 100.8 -4.0 -48.6 72 260 21 43 00 21 51 30 --- 08 38 14 31.6 102.4 -3.9 -48.2 510 276 21 43 01 21 52 00 1228+126 08 38 44 31.7 102.5 -3.9 -48.2 24 276 21 52 00 22 01 30 --- 08 48 15 33.5 104.3 -3.7 -47.7 570 294 21 52 01 22 02 30 1236+077 08 49 15 28.8 107.0 -3.8 -46.0 42 294 22 02 30 22 05 00 --- 08 51 46 29.2 107.5 -3.8 -45.8 150 299 22 02 31 22 06 00 1228+126 08 52 46 34.3 105.2 -3.6 -47.4 42 299 22 06 00 22 14 30 --- 09 01 17 35.8 107.0 -3.5 -46.9 510 316 22 06 01 22 15 00 1228+126 09 01 47 35.9 107.1 -3.5 -46.9 24 316 22 15 00 22 20 30 --- 09 07 18 36.9 108.2 -3.4 -46.5 330 326 22 15 01 22 21 30 1236+077 09 08 19 32.1 110.9 -3.5 -44.7 42 326 22 21 30 22 24 00 --- 09 10 49 32.5 111.4 -3.5 -44.5 150 331 22 21 31 ---------- Space segment 08: L-band VLBI scans ---------- 22 25 00 1228+126 09 11 49 37.7 109.2 -3.3 -46.1 42 331 22 25 00 22 44 30 --- 09 31 22 41.1 113.5 -3.0 -44.4 1170 369 22 25 01 22 45 00 1228+126 09 31 52 41.1 113.6 -3.0 -44.4 24 369 22 45 00 23 04 30 --- 09 51 26 44.4 118.4 -2.7 -42.2 1170 406 22 45 01 23 05 00 1228+126 09 51 56 44.5 118.5 -2.7 -42.1 24 406 23 05 00 23 24 30 --- 10 11 29 47.6 123.7 -2.3 -39.4 1170 444 23 05 01 ---------- L-band GRT-only VLBI scans - segment 09L ---------- 23 26 30 1236+077 10 13 29 42.8 126.2 -2.4 -37.4 101 444 23 26 30 23 29 00 --- 10 16 00 43.2 126.9 -2.4 -37.0 150 449 23 26 31 Schedule for VLBA_NL (Code Nl ) Page 4 The nuclear structure in nearby AGN 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 4 Jun 2014 Day 155 --- 23 30 00 1228+126 10 17 00 48.5 125.3 -2.2 -38.6 41 449 23 30 00 23 31 00 --- 10 18 00 48.6 125.6 -2.2 -38.4 60 451 23 30 01 23 31 20 1228+126 10 18 20 48.7 125.7 -2.2 -38.3 14 451 23 31 20 23 41 20 --- 10 28 22 50.2 128.6 -2.1 -36.6 600 470 23 31 21 23 41 40 1228+126 10 28 42 50.2 128.7 -2.0 -36.5 14 470 23 41 40 23 51 20 --- 10 38 23 51.6 131.8 -1.9 -34.7 580 489 23 41 41 23 52 20 1236+077 10 39 23 46.5 133.6 -2.0 -33.0 41 489 23 52 20 23 54 50 --- 10 41 54 46.8 134.3 -2.0 -32.5 150 494 23 52 21 23 56 00 1222+037 10 43 04 45.3 142.1 -1.7 -27.3 57 494 23 56 00 23 59 00 --- 10 46 05 45.7 143.1 -1.7 -26.7 180 499 23 56 01 --- Thu 5 Jun 2014 Day 156 --- 00 00 00 1226+023 10 47 05 44.0 143.0 -1.7 -26.7 48 499 00 00 00 00 09 00 --- 10 56 06 45.0 145.8 -1.6 -24.8 540 517 00 00 01 00 10 30 1228+126 10 57 36 54.1 138.4 -1.6 -30.5 63 517 00 10 30 00 13 00 --- 11 00 07 54.4 139.3 -1.5 -29.9 150 522 00 10 31 00 13 20 1228+126 11 00 27 54.5 139.4 -1.5 -29.8 14 522 00 13 20 00 23 30 --- 11 10 39 55.7 143.2 -1.3 -27.2 610 541 00 13 21 00 23 50 1228+126 11 10 59 55.7 143.3 -1.3 -27.1 14 541 00 23 50 00 33 30 --- 11 20 40 56.7 147.2 -1.2 -24.5 580 560 00 23 51 00 33 50 1228+126 11 21 00 56.8 147.3 -1.2 -24.4 14 560 00 33 50 00 43 30 --- 11 30 42 57.7 151.3 -1.0 -21.5 580 579 00 33 51 00 45 00 1236+077 11 32 12 52.5 151.6 -1.1 -21.0 71 579 00 45 00 00 47 30 --- 11 34 43 52.7 152.5 -1.1 -20.3 150 584 00 45 01 00 48 40 1222+037 11 35 53 50.1 160.4 -0.8 -14.5 56 584 00 48 40 00 51 40 --- 11 38 53 50.3 161.6 -0.8 -13.7 180 589 00 48 41 00 53 00 1228+126 11 40 13 58.5 155.5 -0.9 -18.5 55 589 00 53 00 01 01 40 --- 11 48 55 59.1 159.4 -0.7 -15.6 520 606 00 53 01 01 02 00 1228+126 11 49 15 59.1 159.5 -0.7 -15.5 14 606 01 02 00 01 11 40 --- 11 58 56 59.7 164.1 -0.5 -12.1 580 625 01 02 01 Schedule for VLBA_NL (Code Nl ) Page 5 The nuclear structure in nearby AGN 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 ---------------------------------------------------------------------------------------- --- Thu 5 Jun 2014 Day 156 --- 01 12 40 1236+077 11 59 57 54.5 162.6 -0.7 -13.0 41 625 01 12 40 01 15 10 --- 12 02 27 54.7 163.7 -0.6 -12.2 150 630 01 12 41 01 16 10 1228+126 12 03 27 59.9 166.2 -0.5 -10.5 41 630 01 16 10 01 20 10 --- 12 07 28 60.1 168.1 -0.4 -9.0 240 637 01 16 11 01 20 30 1228+126 12 07 48 60.1 168.3 -0.4 -8.9 14 637 01 20 30 01 30 00 --- 12 17 19 60.4 172.9 -0.2 -5.4 570 656 01 20 31 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: ra18cm2.set Matching groups in ./gs032d_freq.dat: v20cm_2 Beware RFI at high end. Setup group: 2 Station: VLBA_NL Total bit rate: 256 Format: VDIF Bits per sample: 2 Sample rate: 32.000 Number of channels: 4 DBE type: RDBE_DDC Speedup factor: 1.00 Disk used to record data. 1st LO= 2600.00 2600.00 2600.00 2600.00 Net SB= L L U U IF SB = L L L L Pol. = RCP LCP RCP LCP BBC = 1 2 3 4 BBC SB= U U L L IF = A C A C VLBA FE= 20cm omit 20cm omit VLBA Synth= 15.4 2.6 15.4 The following frequency sets based on these setups were used. See the crd files for VLBA legacy system setups and pcal detection details. Frequency Set: 20 Setup file default. Used with PCAL = 1MHz LO sum= 1668.00 1668.00 1668.00 1668.00 BBC fr= 932.00 932.00 932.00 932.00 Bandwd= 16.00 16.00 16.00 16.00 VLBA legacy crd files using 4 channels based on RDBE channels: 1 2 3 4 CRD fr= 931.99 931.99 932.01 932.01 CRD bw= 16.00 16.00 16.00 16.00 Matching frequency sets: 20 21 22 23 24 25 26 27 28 30 Track assignments are: track1= 1, 2, 3, 4 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * FAKERA 11 57 21.769299 * 12 00 00.000000 12 00 41.923521 0.00 85 16 41.77889 * 85 00 00.00000 84 55 27.17430 0.00 From catalog imbedded in main SCHED input file. fake circumpolar target for a TS to look at J1239+0730 12 36 52.308755 * 12 39 24.588327 12 40 09.440650 0.10 * 1236+077 07 46 45.39997 * 07 30 17.18902 07 25 31.24531 0.11 J1239+07 From catalog imbedded in main SCHED input file. rfc_2012b Petrov, 2012, unpublished 1855 observations J1224+0330 12 22 19.097169 * 12 24 52.421935 12 25 37.543272 0.11 * 1222+037 03 47 27.06583 * 03 30 50.29268 03 25 59.94064 0.13 J1224+03 From catalog imbedded in main SCHED input file. rfc_2012b Petrov, 2012, unpublished 688 observations * 1226+023 12 26 33.245835 * 12 29 06.699731 12 29 51.900411 0.00 J1229+0203 02 19 43.30547 * 02 03 08.59797 01 58 18.56773 0.00 3C273B ./gs032d_sources.radioastron 3C273 AGN, rfc_2013d Petrov, 2013, unpublished 32011 observations * 1228+126 12 28 17.569280 * 12 30 49.423382 12 31 34.048480 0.00 J1230+1223 12 40 01.74883 * 12 23 28.04365 12 18 41.71051 0.00 3C274 ./gs032d_sources.radioastron M87 AGN, rfc_2013d Petrov, 2013, unpublished 55201 observations VIR-A 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 FAKERA ra18cm2.set 8 5.525 0.000 1236+077 ra18cm2.set 1 2 3 4 6 7 8 13 14 15 16 1 + 1.192 78.475 1222+037 ra18cm2.set 1 2 3 4 6 7 13 14 15 16 17 + 0.483 28.442 1226+023 ra18cm2.set 1 2 3 4 6 7 8 13 14 15 16 1 + 0.589 40.489 1228+126 ra18cm2.set 1 2 3 4 6 7 8 13 14 15 16 1 + 12.719 1103.989 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) FAKERA 69.1 1236+077 111.8 1222+037 110.4 1226+023 112.0 1228+126 107.7 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