COVER INFORMATION Station: SHANGHAI (Code Sh ) 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 SHANGHAI (Code Sh ) 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 01: C-band VLBI scans. MRK501 ---------- Next scan frequencies: 4836.00 4836.00 4836.00 4836.00 Next BBC frequencies: 636.00 636.00 636.00 636.00 Next scan bandwidths: 16.00 16.00 16.00 16.00 20 00 00 1652+398 14 57 47 64.9 61.8 -1.9 -101.0 0 0 20 00 00 20 19 30 --- 15 17 20 68.5 59.6 -1.6 -106.1 1170 37 20 00 01 20 20 00 1652+398 15 17 50 68.6 59.6 -1.6 -106.3 28 37 20 20 00 20 40 00 --- 15 37 54 72.2 55.7 -1.3 -113.2 1200 76 20 20 01 ---------- Ground segment 01: C-band VLBI scans. MRK501 ---------- 20 40 30 1652+398 15 38 24 72.3 55.5 -1.3 -113.3 28 76 20 40 30 20 49 30 --- 15 47 25 73.9 53.0 -1.1 -117.2 540 93 20 40 31 20 50 00 1652+398 15 47 55 74.0 52.8 -1.1 -117.5 28 93 20 50 00 20 59 30 --- 15 57 27 75.6 49.4 -0.9 -122.3 570 112 20 50 01 21 00 00 1652+398 15 57 57 75.7 49.1 -0.9 -122.6 28 112 21 00 00 21 09 30 --- 16 07 29 77.1 44.6 -0.8 -128.6 570 130 21 00 01 21 10 00 1652+398 16 07 59 77.2 44.3 -0.8 -128.9 28 130 21 10 00 21 19 30 --- 16 17 30 78.6 38.4 -0.6 -136.2 570 148 21 10 01 21 20 00 1652+398 16 18 00 78.6 38.1 -0.6 -136.6 28 148 21 20 00 21 29 30 --- 16 27 32 79.8 30.5 -0.4 -145.6 570 166 21 20 01 21 30 00 1652+398 16 28 02 79.8 30.0 -0.4 -146.2 28 166 21 30 00 21 39 30 --- 16 37 34 80.7 20.5 -0.3 -157.1 570 185 21 30 01 21 40 00 1652+398 16 38 04 80.8 19.9 -0.3 -157.7 27 185 21 40 00 21 49 30 --- 16 47 35 81.3 8.6 -0.1 -170.4 570 203 21 40 01 21 50 00 1652+398 16 48 05 81.3 8.0 -0.1 -171.1 27 203 21 50 00 21 59 30 --- 16 57 37 81.3 -4.1 0.1 175.4 570 221 21 50 01 ---------- Space segment 02: C-band VLBI scans. MRK501 ---------- 22 00 00 1652+398 16 58 07 81.3 -4.8 0.1 174.7 27 221 22 00 00 22 20 00 --- 17 18 10 80.1 -27.6 0.4 148.9 1200 260 22 00 01 Schedule for SHANGHAI (Code Sh ) 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 --- ---------- Space segment 02: C-band VLBI scans. 3C345 ---------- 22 25 00 3C345 17 23 11 78.2 -40.2 0.7 134.0 287 260 22 25 00 22 40 00 --- 17 38 13 75.9 -48.3 0.9 123.8 900 288 22 25 01 ---------- Ground segment 02: C-band VLBI scans. MRK501 ---------- 22 40 30 1652+398 17 38 44 77.5 -43.2 0.7 130.4 21 288 22 40 30 22 49 30 --- 17 47 45 76.1 -47.8 0.9 124.4 540 306 22 40 31 22 50 00 1652+398 17 48 15 76.1 -48.0 0.9 124.1 28 306 22 50 00 22 59 30 --- 17 57 47 74.5 -51.8 1.1 118.9 570 324 22 50 01 23 00 00 1652+398 17 58 17 74.4 -52.0 1.1 118.7 28 324 23 00 00 23 09 30 --- 18 07 48 72.8 -54.9 1.2 114.4 570 342 23 00 01 23 10 00 1652+398 18 08 18 72.7 -55.0 1.2 114.2 28 342 23 10 00 23 19 30 --- 18 17 50 71.0 -57.2 1.4 110.5 570 361 23 10 01 23 20 00 1652+398 18 18 20 70.9 -57.4 1.4 110.4 28 361 23 20 00 23 29 30 --- 18 27 52 69.2 -59.1 1.6 107.2 570 379 23 20 01 23 30 00 1652+398 18 28 22 69.1 -59.2 1.6 107.1 28 379 23 30 00 23 39 30 --- 18 37 53 67.3 -60.5 1.7 104.3 570 397 23 30 01 23 40 00 1652+398 18 38 23 67.2 -60.6 1.7 104.2 28 397 23 40 00 23 49 30 --- 18 47 55 65.4 -61.6 1.9 101.7 570 415 23 40 01 --- Start: Thu 5 Mar 2015 Day 64 -- Stop: Fri 6 Mar 2015 Day 65 --- 23 50 00 1652+398 18 48 25 65.3 -61.6 1.9 101.6 28 415 23 50 00 00 04 30 --- 19 02 57 62.6 -62.7 2.1 98.3 870 443 23 50 01 ---------- Space segment 03: C-band VLBI scans. MRK501 ---------- 00 05 00 1652+398 19 03 27 62.5 -62.7 2.2 98.2 28 443 00 05 00 00 24 30 --- 19 23 01 58.8 -63.6 2.5 94.3 1170 481 00 05 01 00 25 00 1652+398 19 23 31 58.7 -63.6 2.5 94.2 28 481 00 25 00 00 45 00 --- 19 43 34 54.8 -63.9 2.8 90.8 1200 519 00 25 01 ---------- Ground segment 03: C-band VLBI scans. MRK501 ---------- 00 45 30 1652+398 19 44 04 54.7 -63.9 2.8 90.7 28 519 00 45 30 00 54 30 --- 19 53 06 53.0 -63.9 3.0 89.2 540 537 00 45 31 Schedule for SHANGHAI (Code Sh ) 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 --- 00 55 00 1652+398 19 53 36 52.9 -63.9 3.0 89.2 28 537 00 55 00 01 04 30 --- 20 03 07 51.1 -63.8 3.1 87.7 570 555 00 55 01 01 05 00 1652+398 20 03 37 51.0 -63.8 3.2 87.6 28 555 01 05 00 01 14 30 --- 20 13 09 49.1 -63.7 3.3 86.2 570 573 01 05 01 01 15 00 1652+398 20 13 39 49.0 -63.6 3.3 86.1 28 573 01 15 00 01 24 30 --- 20 23 10 47.2 -63.4 3.5 84.8 570 591 01 15 01 01 25 00 1652+398 20 23 41 47.1 -63.4 3.5 84.7 28 591 01 25 00 01 34 30 --- 20 33 12 45.3 -63.1 3.6 83.4 570 610 01 25 01 01 35 00 1652+398 20 33 42 45.2 -63.1 3.7 83.3 28 610 01 35 00 01 44 30 --- 20 43 14 43.4 -62.8 3.8 82.0 570 628 01 35 01 01 45 00 1652+398 20 43 44 43.3 -62.8 3.8 82.0 28 628 01 45 00 01 54 30 --- 20 53 15 41.5 -62.4 4.0 80.7 570 646 01 45 01 01 55 00 1652+398 20 53 45 41.4 -62.4 4.0 80.6 28 646 01 55 00 02 09 30 --- 21 08 18 38.6 -61.7 4.2 78.7 870 674 01 55 01 ---------- Space segment 04: C-band VLBI scans. MRK501 ---------- 02 10 00 1652+398 21 08 48 38.5 -61.7 4.2 78.7 28 674 02 10 00 02 30 00 --- 21 28 51 34.8 -60.7 4.6 76.1 1200 712 02 10 01 ---------- Space segment 04: C-band VLBI scans. 3C345 ---------- 02 35 00 3C345 21 33 52 31.8 -59.7 4.8 74.1 292 712 02 35 00 02 50 00 --- 21 48 55 29.1 -58.7 5.1 72.2 900 741 02 35 01 ---------- Ground segment 04: C-band VLBI scans. MRK501 ---------- 02 50 30 1652+398 21 49 25 31.0 -59.4 4.9 73.5 23 741 02 50 30 02 59 30 --- 21 58 26 29.3 -58.8 5.1 72.3 540 759 02 50 31 03 00 00 1652+398 21 58 56 29.2 -58.8 5.1 72.3 28 759 03 00 00 03 09 30 --- 22 08 28 27.5 -58.1 5.2 71.0 570 777 03 00 01 03 10 00 1652+398 22 08 58 27.4 -58.1 5.2 71.0 28 777 03 10 00 03 19 30 --- 22 18 29 25.6 -57.4 5.4 69.8 570 795 03 10 01 03 20 00 1652+398 22 18 59 25.6 -57.4 5.4 69.7 28 795 03 20 00 03 29 30 --- 22 28 31 23.8 -56.7 5.6 68.5 570 813 03 20 01 Schedule for SHANGHAI (Code Sh ) 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 --- 03 30 00 1652+398 22 29 01 23.8 -56.6 5.6 68.4 28 813 03 30 00 03 39 30 --- 22 38 33 22.1 -55.9 5.7 67.2 570 832 03 30 01 03 40 00 1652+398 22 39 03 22.0 -55.8 5.7 67.1 28 832 03 40 00 03 49 30 --- 22 48 34 20.3 -55.1 5.9 65.9 570 850 03 40 01 03 50 00 1652+398 22 49 04 20.2 -55.0 5.9 65.8 28 850 03 50 00 03 59 30 --- 22 58 36 18.5 -54.2 6.1 64.6 570 868 03 50 01 04 00 00 1652+398 22 59 06 18.5 -54.2 6.1 64.5 28 868 04 00 00 04 09 30 --- 23 08 38 16.8 -53.3 6.2 63.2 570 887 04 00 01 ---------- Space segment 05: C-band VLBI scans. MRK501 ---------- 04 10 00 1652+398 23 09 08 16.7 -53.3 6.2 63.2 28 887 04 10 00 04 29 30 --- 23 28 41 13.4 -51.4 6.6 60.5 1170 924 04 10 01 04 30 00 1652+398 23 29 11 13.3 -51.4 6.6 60.4 28 924 04 30 00 04 49 30 --- 23 48 44 10.1 -49.4 6.9 57.7 1170 962 04 30 01 04 50 00 1652+398 23 49 14 10.0 -49.3 6.9 57.6 28 962 04 50 00 05 00 00 --- 23 59 16 8.4 -48.3 7.1 56.2 600 981 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: ra6cm2.set Matching groups in ./eg086b_freq.dat: sh6cm Update freq. range AnTao 22Mar08 Setup group: 13 Station: SHANGHAI 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= 4200.00 4200.00 4200.00 4200.00 Net SB= L L U U IF SB = U U U U Pol. = RCP LCP RCP LCP BBC = 1 2 1 2 BBC SB= L L U U IF = C A C A The following frequency sets based on these setups were used. Frequency Set: 9 Setup file default. Used with PCAL = 1MHz LO sum= 4836.00 4836.00 4836.00 4836.00 BBC fr= 636.00 636.00 636.00 636.00 Bandwd= 16.00 16.00 16.00 16.00 Matching frequency sets: 9 Track assignments are: track1= 6, 8, 2, 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 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