COVER INFORMATION Station: YEBES40M (Code Ys ) 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 YEBES40M (Code Ys ) 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 --- ---------- Space segment 02: K-band VLBI scans. MRK501 ---------- Next scan frequencies: 22236.00 22236.00 22236.00 22236.00 Next BBC frequencies: 686.00 686.00 686.00 686.00 Next scan bandwidths: 16.00 16.00 16.00 16.00 22 00 00 1652+398 08 40 58 5.4 40.2 -8.2 -39.6 0 0 22 00 00 22 20 00 --- 09 01 01 7.9 43.1 -7.9 -42.5 1200 38 22 00 01 ---------- Space segment 02: K-band VLBI scans. 3C345 ---------- 22 25 00 3C345 09 06 02 10.1 45.3 -7.6 -44.7 283 38 22 25 00 22 40 00 --- 09 21 05 12.1 47.4 -7.4 -46.7 900 67 22 25 01 ---------- Ground segment 02: K-band VLBI scans. MRK501 ---------- 22 40 30 1652+398 09 21 35 10.7 46.0 -7.5 -45.3 13 67 22 40 30 22 49 30 --- 09 30 36 11.9 47.2 -7.4 -46.5 540 85 22 40 31 22 50 00 1652+398 09 31 06 12.0 47.3 -7.4 -46.6 15 85 22 50 00 22 59 30 --- 09 40 38 13.3 48.6 -7.2 -47.8 570 103 22 50 01 23 00 00 1652+398 09 41 08 13.4 48.6 -7.2 -47.9 15 103 23 00 00 23 09 30 --- 09 50 40 14.8 49.9 -7.1 -49.1 570 121 23 00 01 23 10 00 1652+398 09 51 10 14.8 50.0 -7.1 -49.2 15 121 23 10 00 23 19 30 --- 10 00 41 16.2 51.2 -6.9 -50.4 570 139 23 10 01 23 20 00 1652+398 10 01 11 16.3 51.2 -6.9 -50.4 15 139 23 20 00 23 29 30 --- 10 10 43 17.7 52.4 -6.7 -51.6 570 158 23 20 01 23 30 00 1652+398 10 11 13 17.8 52.5 -6.7 -51.7 15 158 23 30 00 23 39 30 --- 10 20 44 19.3 53.7 -6.6 -52.8 570 176 23 30 01 23 40 00 1652+398 10 21 15 19.3 53.8 -6.6 -52.9 15 176 23 40 00 23 49 30 --- 10 30 46 20.8 54.9 -6.4 -54.0 570 194 23 40 01 --- Start: Thu 5 Mar 2015 Day 64 -- Stop: Fri 6 Mar 2015 Day 65 --- 23 50 00 1652+398 10 31 16 20.9 55.0 -6.4 -54.0 15 194 23 50 00 00 04 30 --- 10 45 49 23.2 56.7 -6.1 -55.7 870 222 23 50 01 ---------- Space segment 03: K-band VLBI scans. MRK501 ---------- 00 05 00 1652+398 10 46 19 23.3 56.8 -6.1 -55.8 15 222 00 05 00 00 24 30 --- 11 05 52 26.4 59.0 -5.8 -57.9 1170 260 00 05 01 Schedule for YEBES40M (Code Ys ) 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 --- 00 25 00 1652+398 11 06 22 26.5 59.1 -5.8 -58.0 15 260 00 25 00 00 45 00 --- 11 26 25 29.8 61.3 -5.5 -60.1 1200 298 00 25 01 ---------- Ground segment 03: K-band VLBI scans. MRK501 ---------- 00 45 30 1652+398 11 26 55 29.9 61.4 -5.5 -60.2 15 298 00 45 30 00 54 30 --- 11 35 57 31.4 62.4 -5.3 -61.1 540 315 00 45 31 00 55 00 1652+398 11 36 27 31.5 62.4 -5.3 -61.2 15 315 00 55 00 01 04 30 --- 11 45 58 33.1 63.5 -5.1 -62.2 570 334 00 55 01 01 05 00 1652+398 11 46 29 33.2 63.5 -5.1 -62.2 15 334 01 05 00 01 14 30 --- 11 56 00 34.8 64.5 -5.0 -63.2 570 352 01 05 01 01 15 00 1652+398 11 56 30 34.9 64.6 -5.0 -63.2 15 352 01 15 00 01 24 30 --- 12 06 02 36.5 65.6 -4.8 -64.2 570 370 01 15 01 01 25 00 1652+398 12 06 32 36.6 65.6 -4.8 -64.2 15 370 01 25 00 01 34 30 --- 12 16 03 38.3 66.6 -4.6 -65.1 570 388 01 25 01 01 35 00 1652+398 12 16 33 38.4 66.7 -4.6 -65.2 15 388 01 35 00 01 44 30 --- 12 26 05 40.0 67.6 -4.5 -66.1 570 407 01 35 01 01 45 00 1652+398 12 26 35 40.1 67.7 -4.5 -66.1 15 407 01 45 00 01 54 30 --- 12 36 07 41.8 68.7 -4.3 -67.0 570 425 01 45 01 01 55 00 1652+398 12 36 37 41.9 68.7 -4.3 -67.1 15 425 01 55 00 02 09 30 --- 12 51 09 44.5 70.2 -4.1 -68.4 870 453 01 55 01 ---------- Space segment 04: K-band VLBI scans. MRK501 ---------- 02 10 00 1652+398 12 51 39 44.6 70.2 -4.0 -68.4 15 453 02 10 00 02 30 00 --- 13 11 42 48.2 72.2 -3.7 -70.2 1200 491 02 10 01 ---------- Space segment 04: K-band VLBI scans. 3C345 ---------- 02 35 00 3C345 13 16 43 51.1 73.7 -3.4 -71.6 283 491 02 35 00 02 50 00 --- 13 31 46 53.8 75.1 -3.2 -72.9 900 520 02 35 01 ---------- Ground segment 04: K-band VLBI scans. MRK501 ---------- 02 50 30 1652+398 13 32 16 51.9 74.2 -3.4 -72.0 13 520 02 50 30 02 59 30 --- 13 41 17 53.6 75.0 -3.2 -72.7 540 537 02 50 31 Schedule for YEBES40M (Code Ys ) 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 --- 03 00 00 1652+398 13 41 47 53.6 75.1 -3.2 -72.8 15 537 03 00 00 03 09 30 --- 13 51 19 55.4 76.0 -3.1 -73.6 570 556 03 00 01 03 10 00 1652+398 13 51 49 55.5 76.1 -3.0 -73.6 15 556 03 10 00 03 19 30 --- 14 01 21 57.3 77.0 -2.9 -74.4 570 574 03 10 01 03 20 00 1652+398 14 01 51 57.3 77.0 -2.9 -74.4 15 574 03 20 00 03 29 30 --- 14 11 22 59.1 77.9 -2.7 -75.1 570 592 03 20 01 03 30 00 1652+398 14 11 52 59.2 78.0 -2.7 -75.2 15 592 03 30 00 03 39 30 --- 14 21 24 61.0 78.9 -2.5 -75.9 570 611 03 30 01 03 40 00 1652+398 14 21 54 61.1 78.9 -2.5 -75.9 15 611 03 40 00 03 49 30 --- 14 31 26 62.9 79.9 -2.4 -76.7 570 629 03 40 01 03 50 00 1652+398 14 31 56 62.9 79.9 -2.4 -76.7 15 629 03 50 00 03 59 30 --- 14 41 27 64.7 80.8 -2.2 -77.4 570 647 03 50 01 04 00 00 1652+398 14 41 57 64.8 80.9 -2.2 -77.4 15 647 04 00 00 04 09 30 --- 14 51 29 66.6 81.8 -2.0 -78.1 570 665 04 00 01 ---------- Space segment 05: K-band VLBI scans. MRK501 ---------- 04 10 00 1652+398 14 51 59 66.7 81.9 -2.0 -78.1 15 665 04 10 00 04 29 30 --- 15 11 32 70.4 83.9 -1.7 -79.4 1170 703 04 10 01 04 30 00 1652+398 15 12 02 70.5 84.0 -1.7 -79.4 15 703 04 30 00 04 49 30 --- 15 31 35 74.2 86.1 -1.4 -80.5 1170 740 04 30 01 04 50 00 1652+398 15 32 05 74.3 86.2 -1.4 -80.5 15 740 04 50 00 05 00 00 --- 15 42 07 76.2 87.4 -1.2 -80.9 600 760 04 50 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: ra1cm2.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: 8 Station: YEBES40M Total bit rate: 256 Format: MARK5B Bits per sample: 2 Sample rate: 32.000 Number of channels: 4 DBE type: DBBC_DDC Speedup factor: 1.00 Disk used to record data. 1st LO= 21550.00 21550.00 21550.00 21550.00 Net SB= U U L L IF SB = U U U U Pol. = RCP LCP RCP LCP BBC = 1 9 1 9 BBC SB= U U L L IF = A1 C1 A1 C1 The following frequency sets based on these setups were used. Frequency Set: 18 Setup file default. Used with PCAL = 1MHz LO sum= 22236.00 22236.00 22236.00 22236.00 BBC fr= 686.00 686.00 686.00 686.00 Bandwd= 16.00 16.00 16.00 16.00 Matching frequency sets: 18 Track assignments are: track1= 2, 4, 6, 8 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