COVER INFORMATION Station: WSTRBORK (Code Wb ) Experiment: RadioAstron imaging of Mrk 501 Exp. Code: eg086b Schedule Version: 1.20 Processed by SCHED version: 11.30 Version 11.3 update 1. April 14, 2014 PI: Gabriele Giovannini Address: IRA - INAF via Gobetti 101 40129 Bologna, Italy Phone: +39 0516399415 EMAIL: ggiovann@ira.inaf.it Fax: Phone during observation: +7-903-6614865 Observing mode: C/K-band, dual-pol Notes: C/K-band, Radioastron-compatible frequency setup Mark5C stations should record in Mk5B+ format P-CAL is ON, Tsys is ON auto-level (AGC) is ON Schedule for WSTRBORK (Code Wb ) Page 2 RadioAstron imaging of Mrk 501 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 Mar 2015 Day 64 --- Next scan frequencies: 4836.00 4836.00 4836.00 4836.00 Next BBC frequencies: 136.00 136.00 136.00 136.00 Next scan bandwidths: 16.00 16.00 16.00 16.00 23 40 00 1652+398 11 00 07 31.4 64.3 -5.9 0.0 0 0 23 40 00 23 49 30 --- 11 09 39 32.7 65.8 -5.7 0.0 570 18 23 40 04 --- Start: Thu 5 Mar 2015 Day 64 -- Stop: Fri 6 Mar 2015 Day 65 --- 23 50 00 1652+398 11 10 09 32.8 65.9 -5.7 0.0 19 18 23 50 00 00 04 30 --- 11 24 41 34.8 68.2 -5.5 0.0 870 46 23 50 04 ---------- Space segment 03: C-band VLBI scans. MRK501 ---------- 00 05 00 1652+398 11 25 11 34.9 68.3 -5.5 0.0 19 46 00 05 00 00 24 30 --- 11 44 45 37.7 71.5 -5.2 0.0 1170 84 00 05 04 00 25 00 1652+398 11 45 15 37.7 71.5 -5.2 0.0 19 84 00 25 00 00 45 00 --- 12 05 18 40.6 74.8 -4.8 0.0 1200 122 00 25 04 ---------- Ground segment 03: C-band VLBI scans. MRK501 ---------- 00 45 30 1652+398 12 05 48 40.7 74.9 -4.8 0.0 19 122 00 45 30 00 54 30 --- 12 14 50 42.0 76.4 -4.7 0.0 540 139 00 45 34 00 55 00 1652+398 12 15 20 42.1 76.5 -4.7 0.0 19 139 00 55 00 01 04 30 --- 12 24 51 43.5 78.1 -4.5 0.0 570 158 00 55 04 01 05 00 1652+398 12 25 21 43.6 78.2 -4.5 0.0 19 158 01 05 00 01 14 30 --- 12 34 53 45.0 79.8 -4.3 0.0 570 176 01 05 04 01 15 00 1652+398 12 35 23 45.1 79.9 -4.3 0.0 19 176 01 15 00 01 24 30 --- 12 44 55 46.5 81.6 -4.2 0.0 570 194 01 15 04 01 25 00 1652+398 12 45 25 46.5 81.7 -4.1 0.0 19 194 01 25 00 01 34 30 --- 12 54 56 48.0 83.4 -4.0 0.0 570 212 01 25 04 01 35 00 1652+398 12 55 26 48.0 83.5 -4.0 0.0 19 212 01 35 00 01 44 30 --- 13 04 58 49.5 85.2 -3.8 0.0 570 231 01 35 04 01 45 00 1652+398 13 05 28 49.5 85.3 -3.8 0.0 19 231 01 45 00 01 54 30 --- 13 14 59 51.0 87.1 -3.7 0.0 570 249 01 45 04 01 55 00 1652+398 13 15 30 51.1 87.2 -3.6 0.0 19 249 01 55 00 02 09 30 --- 13 30 02 53.2 90.0 -3.4 0.0 870 277 01 55 04 Schedule for WSTRBORK (Code Wb ) Page 3 RadioAstron imaging of Mrk 501 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 ---------------------------------------------------------------------------------------- --- Fri 6 Mar 2015 Day 65 --- ---------- Space segment 04: C-band VLBI scans. MRK501 ---------- 02 10 00 1652+398 13 30 32 53.3 90.1 -3.4 0.0 19 277 02 10 00 02 30 00 --- 13 50 35 56.3 94.3 -3.1 0.0 1200 315 02 10 04 ---------- Space segment 04: C-band VLBI scans. 3C345 ---------- 02 35 00 3C345 13 55 36 58.8 97.8 -2.8 0.0 278 315 02 35 00 02 50 00 --- 14 10 39 61.0 101.4 -2.5 0.0 900 344 02 35 04 ---------- Ground segment 04: C-band VLBI scans. MRK501 ---------- 02 50 30 1652+398 14 11 09 59.4 98.9 -2.7 0.0 8 344 02 50 30 02 59 30 --- 14 20 10 60.8 101.1 -2.6 0.0 540 362 02 50 34 03 00 00 1652+398 14 20 40 60.8 101.3 -2.6 0.0 19 362 03 00 00 03 09 30 --- 14 30 12 62.2 103.7 -2.4 0.0 570 380 03 00 04 03 10 00 1652+398 14 30 42 62.3 103.9 -2.4 0.0 19 380 03 10 00 03 19 30 --- 14 40 13 63.7 106.5 -2.2 0.0 570 398 03 10 04 03 20 00 1652+398 14 40 44 63.8 106.6 -2.2 0.0 19 398 03 20 00 03 29 30 --- 14 50 15 65.1 109.5 -2.1 0.0 570 416 03 20 04 03 30 00 1652+398 14 50 45 65.2 109.6 -2.1 0.0 19 416 03 30 00 03 39 30 --- 15 00 17 66.5 112.7 -1.9 0.0 570 435 03 30 04 03 40 00 1652+398 15 00 47 66.6 112.9 -1.9 0.0 19 435 03 40 00 03 49 30 --- 15 10 18 67.9 116.2 -1.7 0.0 570 453 03 40 04 03 50 00 1652+398 15 10 48 68.0 116.4 -1.7 0.0 19 453 03 50 00 03 59 30 --- 15 20 20 69.3 120.0 -1.6 0.0 570 471 03 50 04 04 00 00 1652+398 15 20 50 69.3 120.2 -1.6 0.0 19 471 04 00 00 04 09 30 --- 15 30 22 70.5 124.2 -1.4 0.0 570 489 04 00 04 ---------- Space segment 05: C-band VLBI scans. MRK501 ---------- 04 10 00 1652+398 15 30 52 70.6 124.4 -1.4 0.0 19 489 04 10 00 04 29 30 --- 15 50 25 72.9 134.0 -1.1 0.0 1170 527 04 10 04 04 30 00 1652+398 15 50 55 72.9 134.2 -1.1 0.0 19 527 04 30 00 04 49 30 --- 16 10 28 74.8 146.0 -0.7 0.0 1170 564 04 30 04 Schedule for WSTRBORK (Code Wb ) Page 4 RadioAstron imaging of Mrk 501 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 ---------------------------------------------------------------------------------------- --- Fri 6 Mar 2015 Day 65 --- 04 50 00 1652+398 16 10 58 74.9 146.3 -0.7 0.0 19 564 04 50 00 05 00 00 --- 16 21 00 75.6 153.3 -0.6 0.0 600 584 04 50 04 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: ra6cm2.set --- 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: 21 Station: WSTRBORK Total bit rate: 256 Format: MARK5B Bits per sample: 2 Sample rate: 32.000 Number of channels: 4 DBE type: Speedup factor: 1.00 Disk used to record data. 1st LO= 4700.00 4700.00 4700.00 4700.00 Net SB= U U L L IF SB = U U U U Pol. = LCP RCP LCP RCP BBC = 2 1 2 1 BBC SB= U U L L IF = 2N 1N 2N 1N The following frequency sets based on these setups were used. Frequency Set: 20 Setup file default. Used with PCAL = 1MHz LO sum= 4836.00 4836.00 4836.00 4836.00 BBC fr= 136.00 136.00 136.00 136.00 Bandwd= 16.00 16.00 16.00 16.00 Matching frequency sets: 20 Track assignments are: track1= 4, 2, 8, 6 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 53.825346 0.00 85 16 41.77889 * 85 00 00.00000 84 54 47.78092 0.00 From catalog imbedded in main SCHED input file. fake circumpolar target for a TS to look at * 1652+398 16 52 11.729418 * 16 53 52.216683 16 54 22.724212 0.00 J1653+3945 39 50 25.15723 * 39 45 36.60881 39 43 59.82763 0.00 MRK501 ./eg086b_sources.radioastron AGN, rfc_2013d Petrov, 2013, unpublished 6490 observations, RA-AO2-04 1641+399 16 41 17.606226 * 16 42 58.809963 16 43 29.593651 0.00 J1642+3948 39 54 10.81479 * 39 48 36.99385 39 46 46.25492 0.00 * 3C345 ./eg086b_sources.radioastron AGN, rfc_2013d Petrov, 2013, unpublished 51938 observations, RA-AO2-10, RA-AO2-1 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 ra1cm2.set 14 3.300 0.000 1652+398 ra1cm2.set 1 2 3 4 15 18 21 22 8.000 289.803 ra6cm2.set 7 8 9 10 11 17 19 20 8.000 276.305 3C345 ra1cm2.set 1 2 3 4 15 18 21 0.500 20.250 ra6cm2.set 7 8 9 10 11 17 19 20 0.500 18.000 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 100.8 1652+398 95.8 3C345 97.9 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