COVER INFORMATION Station: MEDICINA (Code Mc ) 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 MEDICINA (Code Mc ) 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 --- ---------- Ground segment 01: K-band VLBI scans. MRK501 ---------- Next scan frequencies: 22236.00 22236.00 22236.00 22236.00 Next BBC frequencies: 272.00 272.00 272.00 272.00 Next scan bandwidths: 16.00 16.00 16.00 16.00 20 40 30 1652+398 08 20 11 6.1 397.2 -8.6 -34.1 0 0 20 40 30 20 49 30 --- 08 29 13 7.1 398.7 -8.4 -35.4 540 17 20 40 31 20 50 00 1652+398 08 29 43 7.2 398.7 -8.4 -35.5 27 17 20 50 00 20 59 30 --- 08 39 14 8.2 400.2 -8.3 -36.8 570 36 20 50 01 21 00 00 1652+398 08 39 44 8.3 400.3 -8.2 -36.9 27 36 21 00 00 21 09 30 --- 08 49 16 9.4 401.8 -8.1 -38.1 570 54 21 00 01 21 10 00 1652+398 08 49 46 9.5 401.9 -8.1 -38.2 27 54 21 10 00 21 19 30 --- 08 59 18 10.6 403.3 -7.9 -39.5 570 72 21 10 01 21 20 00 1652+398 08 59 48 10.7 403.4 -7.9 -39.6 27 72 21 20 00 21 29 30 --- 09 09 19 11.9 404.8 -7.8 -40.8 570 90 21 20 01 21 30 00 1652+398 09 09 49 11.9 404.9 -7.7 -40.9 27 90 21 30 00 21 39 30 --- 09 19 21 13.1 406.3 -7.6 -42.1 570 109 21 30 01 21 40 00 1652+398 09 19 51 13.2 406.4 -7.6 -42.1 27 109 21 40 00 21 49 30 --- 09 29 23 14.4 407.7 -7.4 -43.3 570 127 21 40 01 21 50 00 1652+398 09 29 53 14.5 407.8 -7.4 -43.4 27 127 21 50 00 21 59 30 --- 09 39 24 15.8 409.2 -7.2 -44.6 570 145 21 50 01 ---------- Space segment 02: K-band VLBI scans. MRK501 ---------- 22 00 00 1652+398 09 39 54 15.9 409.3 -7.2 -44.6 27 145 22 00 00 22 20 00 --- 09 59 58 18.6 412.1 -6.9 -47.0 1200 184 22 00 01 ---------- Space segment 02: K-band VLBI scans. 3C345 ---------- 22 25 00 3C345 10 04 58 20.9 414.2 -6.6 -48.8 292 184 22 25 00 22 40 00 --- 10 20 01 23.1 416.2 -6.4 -50.5 900 212 22 25 01 ---------- Ground segment 02: K-band VLBI scans. MRK501 ---------- 22 40 30 1652+398 10 20 31 21.6 414.9 -6.6 -49.3 22 212 22 40 30 22 49 30 --- 10 29 32 22.9 416.1 -6.4 -50.3 540 230 22 40 31 Schedule for MEDICINA (Code Mc ) 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 ---------------------------------------------------------------------------------------- --- Thu 5 Mar 2015 Day 64 --- 22 50 00 1652+398 10 30 02 23.0 416.1 -6.4 -50.4 27 230 22 50 00 22 59 30 --- 10 39 34 24.4 417.4 -6.2 -51.4 570 248 22 50 01 23 00 00 1652+398 10 40 04 24.5 417.5 -6.2 -51.4 27 248 23 00 00 23 09 30 --- 10 49 36 25.9 418.7 -6.1 -52.4 570 266 23 00 01 23 10 00 1652+398 10 50 06 26.0 418.8 -6.1 -52.5 27 266 23 10 00 23 19 30 --- 10 59 37 27.4 420.0 -5.9 -53.4 570 285 23 10 01 23 20 00 1652+398 11 00 07 27.5 420.1 -5.9 -53.5 27 285 23 20 00 23 29 30 --- 11 09 39 29.0 421.3 -5.7 -54.4 570 303 23 20 01 23 30 00 1652+398 11 10 09 29.1 421.4 -5.7 -54.5 27 303 23 30 00 23 39 30 --- 11 19 41 30.6 422.6 -5.6 -55.4 570 321 23 30 01 23 40 00 1652+398 11 20 11 30.6 422.7 -5.6 -55.4 27 321 23 40 00 23 49 30 --- 11 29 42 32.2 423.9 -5.4 -56.3 570 339 23 40 01 --- Start: Thu 5 Mar 2015 Day 64 -- Stop: Fri 6 Mar 2015 Day 65 --- 23 50 00 1652+398 11 30 12 32.2 423.9 -5.4 -56.4 27 339 23 50 00 00 04 30 --- 11 44 45 34.6 425.7 -5.2 -57.7 870 367 23 50 01 ---------- Space segment 03: K-band VLBI scans. MRK501 ---------- 00 05 00 1652+398 11 45 15 34.7 425.8 -5.2 -57.7 27 367 00 05 00 00 24 30 --- 12 04 48 37.9 428.2 -4.8 -59.4 1170 405 00 05 01 00 25 00 1652+398 12 05 18 38.0 428.3 -4.8 -59.5 27 405 00 25 00 00 45 00 --- 12 25 21 41.3 430.8 -4.5 -61.1 1200 443 00 25 01 ---------- Ground segment 03: K-band VLBI scans. MRK501 ---------- 00 45 30 1652+398 12 25 51 41.4 430.8 -4.5 -61.1 27 443 00 45 30 00 54 30 --- 12 34 53 42.9 432.0 -4.3 -61.8 540 461 00 45 31 00 55 00 1652+398 12 35 23 43.0 432.0 -4.3 -61.9 27 461 00 55 00 01 04 30 --- 12 44 55 44.6 433.2 -4.2 -62.6 570 479 00 55 01 01 05 00 1652+398 12 45 25 44.7 433.3 -4.1 -62.6 27 479 01 05 00 01 14 30 --- 12 54 56 46.3 434.5 -4.0 -63.3 570 497 01 05 01 01 15 00 1652+398 12 55 26 46.4 434.5 -4.0 -63.3 27 497 01 15 00 01 24 30 --- 13 04 58 48.1 435.7 -3.8 -64.0 570 515 01 15 01 Schedule for MEDICINA (Code Mc ) 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 --- 01 25 00 1652+398 13 05 28 48.2 435.8 -3.8 -64.0 27 515 01 25 00 01 34 30 --- 13 14 59 49.8 437.0 -3.7 -64.6 570 534 01 25 01 01 35 00 1652+398 13 15 30 49.9 437.1 -3.6 -64.6 27 534 01 35 00 01 44 30 --- 13 25 01 51.6 438.3 -3.5 -65.2 570 552 01 35 01 01 45 00 1652+398 13 25 31 51.6 438.3 -3.5 -65.2 27 552 01 45 00 01 54 30 --- 13 35 03 53.3 439.6 -3.3 -65.8 570 570 01 45 01 01 55 00 1652+398 13 35 33 53.4 439.7 -3.3 -65.8 27 570 01 55 00 02 09 30 --- 13 50 05 56.0 441.6 -3.1 -66.5 870 598 01 55 01 ---------- Space segment 04: K-band VLBI scans. MRK501 ---------- 02 10 00 1652+398 13 50 35 56.0 441.7 -3.1 -66.5 27 598 02 10 00 02 30 00 --- 14 10 39 59.6 444.5 -2.7 -67.4 1200 637 02 10 01 ---------- Space segment 04: K-band VLBI scans. 3C345 ---------- 02 35 00 3C345 14 15 39 62.4 446.8 -2.5 -67.9 291 637 02 35 00 02 50 00 --- 14 30 42 65.1 449.3 -2.2 -68.1 900 665 02 35 01 ---------- Ground segment 04: K-band VLBI scans. MRK501 ---------- 02 50 30 1652+398 14 31 12 63.2 447.7 -2.4 -67.9 22 665 02 50 30 02 59 30 --- 14 40 13 64.9 449.1 -2.2 -68.0 540 683 02 50 31 03 00 00 1652+398 14 40 44 64.9 449.2 -2.2 -68.0 27 683 03 00 00 03 09 30 --- 14 50 15 66.6 450.9 -2.1 -68.0 570 701 03 00 01 03 10 00 1652+398 14 50 45 66.7 451.0 -2.1 -68.0 27 701 03 10 00 03 19 30 --- 15 00 17 68.4 452.8 -1.9 -67.8 570 719 03 10 01 03 20 00 1652+398 15 00 47 68.5 452.9 -1.9 -67.8 27 719 03 20 00 03 29 30 --- 15 10 18 70.2 454.9 -1.7 -67.5 570 737 03 20 01 03 30 00 1652+398 15 10 48 70.3 455.0 -1.7 -67.5 27 737 03 30 00 03 39 30 --- 15 20 20 72.0 457.2 -1.6 -66.9 570 756 03 30 01 03 40 00 1652+398 15 20 50 72.1 457.3 -1.6 -66.9 27 756 03 40 00 03 49 30 --- 15 30 22 73.8 459.8 -1.4 -66.0 570 774 03 40 01 03 50 00 1652+398 15 30 52 73.8 459.9 -1.4 -66.0 27 774 03 50 00 03 59 30 --- 15 40 23 75.5 462.8 -1.2 -64.7 570 792 03 50 01 Schedule for MEDICINA (Code Mc ) Page 5 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 00 00 1652+398 15 40 53 75.6 463.0 -1.2 -64.6 27 792 04 00 00 04 09 30 --- 15 50 25 77.2 466.5 -1.1 -62.8 570 811 04 00 01 ---------- Space segment 05: K-band VLBI scans. MRK501 ---------- 04 10 00 1652+398 15 50 55 77.3 466.7 -1.1 -62.7 27 811 04 10 00 04 29 30 --- 16 10 28 80.6 476.7 -0.7 -55.9 1170 848 04 10 01 04 30 00 1652+398 16 10 58 80.6 477.0 -0.7 -55.7 27 848 04 30 00 04 49 30 --- 16 30 31 83.5 495.2 -0.4 -40.8 1170 886 04 30 01 04 50 00 1652+398 16 31 02 83.5 495.9 -0.4 -40.2 27 886 04 50 00 05 00 00 --- 16 41 03 84.6 511.6 -0.2 -26.2 600 905 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: 5 Station: MEDICINA 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= 21964.00 21964.00 21964.00 21964.00 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: 15 Setup file default. Used with PCAL = 1MHz LO sum= 22236.00 22236.00 22236.00 22236.00 BBC fr= 272.00 272.00 272.00 272.00 Bandwd= 16.00 16.00 16.00 16.00 Matching frequency sets: 15 16 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