COVER INFORMATION Station: VLBA_KP (Code Kp ) 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_KP (Code Kp ) 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 --- ---------- Allow time for Kalyazin and Evpatoria to change source ---------- 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 21 24 30 1228+126 06 51 00 10.5 82.0 -5.7 -59.3 0 0 21 24 30 21 34 00 --- 07 00 32 12.6 83.2 -5.5 -59.6 570 18 21 24 31 21 35 00 1236+077 07 01 32 8.4 86.5 -5.6 -58.7 43 18 21 35 00 21 37 30 --- 07 04 02 9.0 86.8 -5.6 -58.7 150 23 21 35 01 21 38 30 1222+037 07 05 02 10.2 92.3 -5.3 -58.1 48 23 21 38 30 21 41 30 --- 07 08 03 10.8 92.7 -5.3 -58.1 180 29 21 38 31 21 43 00 1228+126 07 09 33 14.5 84.3 -5.4 -59.8 75 29 21 43 00 21 51 30 --- 07 18 04 16.3 85.4 -5.2 -60.0 510 45 21 43 01 21 52 00 1228+126 07 18 34 16.4 85.5 -5.2 -60.0 24 45 21 52 00 22 01 30 --- 07 28 06 18.4 86.7 -5.1 -60.1 570 64 21 52 01 22 02 30 1236+077 07 29 06 14.3 90.1 -5.2 -58.8 43 64 22 02 30 22 05 00 --- 07 31 37 14.8 90.4 -5.1 -58.8 150 69 22 02 31 22 06 00 1228+126 07 32 37 19.3 87.3 -5.0 -60.2 43 69 22 06 00 22 14 30 --- 07 41 08 21.1 88.4 -4.8 -60.2 510 85 22 06 01 22 15 00 1228+126 07 41 38 21.2 88.4 -4.8 -60.2 24 85 22 15 00 22 20 30 --- 07 47 09 22.4 89.2 -4.7 -60.3 330 96 22 15 01 22 21 30 1236+077 07 48 09 18.3 92.6 -4.9 -58.7 43 96 22 21 30 22 24 00 --- 07 50 40 18.9 93.0 -4.8 -58.7 150 100 22 21 31 ---------- Space segment 08: L-band VLBI scans ---------- 22 25 00 1228+126 07 51 40 23.4 89.8 -4.7 -60.3 43 100 22 25 00 22 44 30 --- 08 11 13 27.5 92.4 -4.3 -60.2 1170 138 22 25 01 22 45 00 1228+126 08 11 43 27.6 92.5 -4.3 -60.2 24 138 22 45 00 23 04 30 --- 08 31 16 31.8 95.2 -4.0 -59.9 1170 176 22 45 01 23 05 00 1228+126 08 31 46 31.9 95.3 -4.0 -59.9 24 176 23 05 00 23 24 30 --- 08 51 20 36.0 98.2 -3.7 -59.3 1170 214 23 05 01 Schedule for VLBA_KP (Code Kp ) 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 --- ---------- L-band GRT-only VLBI scans - segment 09L ---------- 23 26 30 1236+077 08 53 20 32.0 102.2 -3.8 -56.8 103 214 23 26 30 23 29 00 --- 08 55 50 32.5 102.6 -3.7 -56.6 150 218 23 26 31 23 30 00 1228+126 08 56 51 37.1 99.0 -3.6 -59.1 43 218 23 30 00 23 31 00 --- 08 57 51 37.4 99.2 -3.6 -59.0 60 220 23 30 01 23 31 20 1228+126 08 58 11 37.4 99.3 -3.6 -59.0 14 220 23 31 20 23 41 20 --- 09 08 12 39.5 100.9 -3.4 -58.5 600 240 23 31 21 23 41 40 1228+126 09 08 33 39.6 100.9 -3.4 -58.5 14 240 23 41 40 23 51 20 --- 09 18 14 41.6 102.6 -3.2 -57.9 580 258 23 41 41 23 52 20 1236+077 09 19 14 37.3 106.5 -3.3 -55.1 43 258 23 52 20 23 54 50 --- 09 21 45 37.9 107.0 -3.3 -54.9 150 263 23 52 21 23 56 00 1222+037 09 22 55 38.6 114.0 -3.0 -50.9 57 263 23 56 00 23 59 00 --- 09 25 55 39.1 114.6 -3.0 -50.6 180 269 23 56 01 --- Thu 5 Jun 2014 Day 156 --- 00 00 00 1226+023 09 26 56 37.6 115.4 -3.0 -50.1 49 269 00 00 00 00 09 00 --- 09 35 57 39.3 117.3 -2.9 -49.0 540 286 00 00 01 00 10 30 1228+126 09 37 27 45.6 106.1 -2.9 -56.6 70 286 00 10 30 00 13 00 --- 09 39 58 46.1 106.6 -2.9 -56.3 150 291 00 10 31 00 13 20 1228+126 09 40 18 46.1 106.6 -2.9 -56.3 14 291 00 13 20 00 23 30 --- 09 50 29 48.2 108.7 -2.7 -55.3 610 311 00 13 21 00 23 50 1228+126 09 50 49 48.3 108.8 -2.7 -55.3 14 311 00 23 50 00 33 30 --- 10 00 31 50.2 110.9 -2.5 -54.2 580 329 00 23 51 00 33 50 1228+126 10 00 51 50.3 110.9 -2.5 -54.2 14 329 00 33 50 00 43 30 --- 10 10 33 52.2 113.2 -2.4 -53.0 580 348 00 33 51 00 45 00 1236+077 10 12 03 47.7 117.4 -2.5 -49.4 73 348 00 45 00 00 47 30 --- 10 14 33 48.2 118.0 -2.4 -49.1 150 353 00 45 01 00 48 40 1222+037 10 15 44 48.3 126.4 -2.2 -43.2 56 353 00 48 40 00 51 40 --- 10 18 44 48.8 127.2 -2.1 -42.6 180 359 00 48 41 00 53 00 1228+126 10 20 04 54.0 115.5 -2.2 -51.6 62 359 00 53 00 01 01 40 --- 10 28 46 55.7 117.9 -2.0 -50.2 520 376 00 53 01 Schedule for VLBA_KP (Code Kp ) 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 ---------------------------------------------------------------------------------------- --- Thu 5 Jun 2014 Day 156 --- 01 02 00 1228+126 10 29 06 55.7 118.0 -2.0 -50.1 14 376 01 02 00 01 11 40 --- 10 38 47 57.5 120.8 -1.9 -48.3 580 394 01 02 01 01 12 40 1236+077 10 39 47 52.8 124.7 -2.0 -44.7 42 394 01 12 40 01 15 10 --- 10 42 18 53.2 125.5 -2.0 -44.2 150 399 01 12 41 01 16 10 1228+126 10 43 18 58.3 122.2 -1.8 -47.3 42 399 01 16 10 01 20 10 --- 10 47 19 59.0 123.5 -1.7 -46.4 240 407 01 16 11 01 20 30 1228+126 10 47 39 59.1 123.6 -1.7 -46.4 14 407 01 20 30 01 30 00 --- 10 57 10 60.7 126.8 -1.6 -44.0 570 425 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: 8 Station: VLBA_KP 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