COVER INFORMATION Station: URUMQI (Code Ur ) Experiment: RadioAstron Imaging of high-redshift quasars Exp. Code: eg089c Schedule Version: 1.10 Processed by SCHED version: 11.40 Release 11.4. March 14, 2015 PI: Leonid Gurvits Address: Joint Institute for VLBI in Europe Oude Hoogeveensedijk 4 7991 PD Dwingeloo, The Netherlands Phone: +31 521 596 514 EMAIL: lgurvits@jive.eu Fax: +31 521 596 539 Phone during observation: +31 521 596 514 Observing mode: C-band, dual-pol Notes: C-band, Radioastron-compatible frequency setup P-CAL is ON Tsys is ON auto-level (AGC) is ON Schedule for URUMQI (Code Ur ) Page 2 RadioAstron Imaging of high-redshift quasars 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 24 Feb 2016 Day 55 --- ---------- C-band VLBI scans. Space segment 01 ---------- Next scan frequencies: 4836.00 4836.00 4836.00 4836.00 Next BBC frequencies: 216.00 216.00 216.00 216.00 Next scan bandwidths: 16.00 16.00 16.00 16.00 13 00 00 1508+572 05 04 07 13.2 15.4-10.1 -20.8 0 0 13 00 00 13 18 51 --- 05 23 01 14.2 17.9 -9.8 -24.2 1131 36 13 00 04 13 19 21 1508+572 05 23 31 14.3 18.0 -9.8 -24.2 28 36 13 19 21 13 38 18 --- 05 42 31 15.4 20.4 -9.5 -27.6 1137 73 13 19 25 13 38 48 1508+572 05 43 01 15.4 20.4 -9.5 -27.7 28 73 13 38 48 13 57 45 --- 06 02 01 16.7 22.8 -9.1 -31.0 1137 109 13 38 52 13 58 15 1508+572 06 02 31 16.7 22.8 -9.1 -31.1 28 109 13 58 15 14 17 12 --- 06 21 31 18.1 25.1 -8.8 -34.4 1137 146 13 58 19 14 17 42 1508+572 06 22 01 18.2 25.2 -8.8 -34.5 28 146 14 17 42 14 36 39 --- 06 41 02 19.7 27.4 -8.5 -37.8 1137 182 14 17 46 14 37 09 1508+572 06 41 32 19.7 27.4 -8.5 -37.9 28 182 14 37 09 14 56 06 --- 07 00 32 21.4 29.6 -8.2 -41.1 1137 218 14 37 13 14 56 36 1508+572 07 01 02 21.4 29.6 -8.2 -41.2 28 218 14 56 36 15 15 33 --- 07 20 02 23.2 31.7 -7.8 -44.4 1137 255 14 56 40 15 16 03 1508+572 07 20 32 23.2 31.7 -7.8 -44.5 28 255 15 16 03 15 35 00 --- 07 39 32 25.1 33.7 -7.5 -47.7 1137 291 15 16 07 ---------- C-band VLBI scans. Ground-only segment 01 ---------- 15 36 00 1508+572 07 40 32 25.2 33.8 -7.5 -47.8 58 291 15 36 00 15 46 00 --- 07 50 34 26.2 34.8 -7.3 -49.5 600 311 15 36 04 15 46 30 1508+572 07 51 04 26.3 34.9 -7.3 -49.6 28 311 15 46 30 15 56 00 --- 08 00 36 27.3 35.8 -7.2 -51.2 570 329 15 46 34 15 56 30 1508+572 08 01 06 27.3 35.8 -7.2 -51.2 28 329 15 56 30 16 06 00 --- 08 10 37 28.3 36.7 -7.0 -52.8 570 347 15 56 34 16 06 30 1508+572 08 11 07 28.4 36.8 -7.0 -52.9 28 347 16 06 30 16 16 00 --- 08 20 39 29.4 37.7 -6.8 -54.5 570 365 16 06 34 16 16 30 1508+572 08 21 09 29.5 37.7 -6.8 -54.5 28 365 16 16 30 16 26 00 --- 08 30 41 30.6 38.6 -6.7 -56.1 570 384 16 16 34 Schedule for URUMQI (Code Ur ) Page 3 RadioAstron Imaging of high-redshift quasars 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 24 Feb 2016 Day 55 --- 16 26 30 1508+572 08 31 11 30.6 38.6 -6.7 -56.2 28 384 16 26 30 16 36 00 --- 08 40 42 31.7 39.4 -6.5 -57.8 570 402 16 26 34 16 36 30 1508+572 08 41 12 31.8 39.5 -6.5 -57.9 28 402 16 36 30 16 46 00 --- 08 50 44 32.9 40.3 -6.3 -59.4 570 420 16 36 34 16 46 30 1508+572 08 51 14 32.9 40.3 -6.3 -59.5 28 420 16 46 30 16 56 00 --- 09 00 45 34.1 41.1 -6.2 -61.1 570 438 16 46 34 16 56 30 1508+572 09 01 16 34.1 41.1 -6.2 -61.2 28 438 16 56 30 17 06 00 --- 09 10 47 35.3 41.9 -6.0 -62.7 570 457 16 56 34 17 06 30 1508+572 09 11 17 35.3 41.9 -6.0 -62.8 28 457 17 06 30 17 16 00 --- 09 20 49 36.5 42.6 -5.8 -64.4 570 475 17 06 34 17 16 30 1508+572 09 21 19 36.6 42.7 -5.8 -64.5 28 475 17 16 30 17 26 00 --- 09 30 50 37.7 43.3 -5.7 -66.1 570 493 17 16 34 17 29 00 1849+670 09 33 51 24.9 16.4 -9.3 -31.8 149 493 17 29 00 17 39 00 --- 09 43 53 25.4 17.3 -9.1 -33.7 600 512 17 29 04 17 41 00 2021+614 09 45 53 16.5 10.2-10.6 -15.6 99 512 17 41 00 17 51 00 --- 09 55 55 16.8 11.3-10.4 -17.5 600 532 17 41 04 17 53 00 1508+572 09 57 55 41.2 45.1 -5.2 -70.6 69 532 17 53 00 18 03 00 --- 10 07 56 42.5 45.7 -5.0 -72.3 600 551 17 53 04 18 03 30 1508+572 10 08 27 42.5 45.7 -5.0 -72.4 28 551 18 03 30 18 13 30 --- 10 18 28 43.8 46.2 -4.9 -74.2 600 570 18 03 34 ---------- C-band VLBI scans. Space segment 02 ---------- 18 15 00 1508+572 10 19 58 44.0 46.3 -4.8 -74.4 88 570 18 15 00 18 34 40 --- 10 39 42 46.6 47.2 -4.5 -77.9 1180 608 18 15 04 18 35 10 1508+572 10 40 12 46.7 47.3 -4.5 -78.0 28 608 18 35 10 18 54 50 --- 10 59 55 49.3 48.0 -4.2 -81.6 1180 646 18 35 14 18 55 20 1508+572 11 00 25 49.4 48.0 -4.2 -81.7 28 646 18 55 20 19 15 00 --- 11 20 08 52.1 48.5 -3.8 -85.5 1180 684 18 55 24 ---------- C-band VLBI scans. Ground-only segment 02 ---------- 19 16 00 1508+572 11 21 08 52.2 48.5 -3.8 -85.7 58 684 19 16 00 19 26 00 --- 11 31 10 53.6 48.6 -3.7 -87.6 600 703 19 16 04 Schedule for URUMQI (Code Ur ) Page 4 RadioAstron Imaging of high-redshift quasars 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 24 Feb 2016 Day 55 --- 19 26 30 1508+572 11 31 40 53.6 48.6 -3.6 -87.8 28 703 19 26 30 19 36 00 --- 11 41 12 54.9 48.7 -3.5 -89.7 570 721 19 26 34 19 36 30 1508+572 11 41 42 55.0 48.7 -3.5 -89.8 28 721 19 36 30 19 46 00 --- 11 51 13 56.3 48.6 -3.3 -91.8 570 739 19 36 34 19 46 30 1508+572 11 51 43 56.4 48.6 -3.3 -91.9 28 739 19 46 30 19 56 00 --- 12 01 15 57.7 48.5 -3.2 -94.0 570 758 19 46 34 19 56 30 1508+572 12 01 45 57.7 48.5 -3.1 -94.2 28 758 19 56 30 20 06 00 --- 12 11 17 59.0 48.3 -3.0 -96.3 570 776 19 56 34 20 06 30 1508+572 12 11 47 59.1 48.3 -3.0 -96.5 28 776 20 06 30 20 16 00 --- 12 21 18 60.4 47.9 -2.8 -98.8 570 794 20 06 34 20 16 30 1508+572 12 21 48 60.5 47.9 -2.8 -98.9 28 794 20 16 30 20 26 00 --- 12 31 20 61.7 47.4 -2.7 -101.3 570 812 20 16 34 20 26 30 1508+572 12 31 50 61.8 47.4 -2.6 -101.4 28 812 20 26 30 20 36 00 --- 12 41 22 63.1 46.8 -2.5 -104.0 570 831 20 26 34 20 36 30 1508+572 12 41 52 63.1 46.7 -2.5 -104.1 28 831 20 36 30 20 46 00 --- 12 51 23 64.4 46.0 -2.3 -106.8 570 849 20 36 34 20 46 30 1508+572 12 51 53 64.5 45.9 -2.3 -106.9 28 849 20 46 30 20 56 00 --- 13 01 25 65.7 44.9 -2.2 -109.8 570 867 20 46 34 20 59 00 1849+670 13 04 25 40.7 30.8 -5.7 -72.9 127 867 20 59 00 21 09 00 --- 13 14 27 41.7 31.2 -5.6 -74.9 600 887 20 59 04 21 11 00 2021+614 13 16 27 30.5 31.9 -7.1 -53.9 94 887 21 11 00 21 21 00 --- 13 26 29 31.5 32.7 -6.9 -55.7 600 906 21 11 04 21 23 00 1508+572 13 28 29 69.0 41.0 -1.7 -119.2 42 906 21 23 00 21 32 30 --- 13 38 01 70.2 39.0 -1.5 -123.0 570 924 21 23 04 21 33 00 1508+572 13 38 31 70.2 38.9 -1.5 -123.2 28 924 21 33 00 21 42 30 --- 13 48 03 71.3 36.7 -1.4 -127.3 570 942 21 33 04 21 43 00 1508+572 13 48 33 71.3 36.5 -1.4 -127.5 28 942 21 43 00 21 52 30 --- 13 58 04 72.3 33.9 -1.2 -132.1 570 961 21 43 04 21 53 00 1508+572 13 58 34 72.4 33.7 -1.2 -132.3 28 961 21 53 00 22 02 30 --- 14 08 06 73.3 30.6 -1.0 -137.3 570 979 21 53 04 Schedule for URUMQI (Code Ur ) Page 5 RadioAstron Imaging of high-redshift quasars 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 24 Feb 2016 Day 55 --- 22 03 00 1508+572 14 08 36 73.3 30.5 -1.0 -137.5 28 979 22 03 00 22 09 40 --- 14 15 17 73.9 28.0 -0.9 -141.3 400 992 22 03 04 ---------- C-band VLBI scans. Space segment 03 ---------- 22 10 00 1508+572 14 15 37 74.0 27.9 -0.9 -141.5 18 992 22 10 00 22 29 45 --- 14 35 25 75.4 19.2 -0.6 -154.0 1185 1030 22 10 04 22 30 15 1508+572 14 35 55 75.4 19.0 -0.6 -154.3 28 1030 22 30 15 22 50 00 --- 14 55 44 76.3 8.5 -0.2 -168.6 1185 1068 22 30 19 ---------- C-band VLBI scans. Ground-only segment 03 ---------- 22 52 00 1849+670 14 57 44 51.6 32.0 -3.9 -98.1 67 1068 22 52 00 23 00 00 --- 15 05 45 52.4 31.8 -3.7 -100.1 480 1083 22 52 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 Matching groups in ./eg089c_freq.dat: ur6cm Setup group: 1 Station: URUMQI 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= 4620.00 4620.00 4620.00 4620.00 Net SB= L L U U IF SB = U U U U Pol. = RCP LCP RCP LCP BBC = 2 1 2 1 BBC SB= L L U U IF = 2N 1N 2N 1N The following frequency sets based on these setups were used. Frequency Set: 7 Setup file default. Used with PCAL = 1MHz LO sum= 4836.00 4836.00 4836.00 4836.00 BBC fr= 216.00 216.00 216.00 216.00 Bandwd= 16.00 16.00 16.00 16.00 Matching frequency sets: 7 Track assignments are: track1= 8, 6, 4, 2 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 55.447445 0.00 85 16 41.77889 * 85 00 00.00000 84 54 27.27321 0.00 From catalog imbedded in main SCHED input file. fake circumpolar target for a TS to look at * 1508+572 15 08 45.204538 * 15 10 02.922371 15 10 28.014471 0.00 J1510+5702 57 14 02.08966 * 57 02 43.37583 56 58 52.08433 0.00 ./eg089c_sources.radioastron AGN, HIGHz, rfc_2013d Petrov, 2013, unpublished 2400 observations, RA-AO3-04, RA * 1849+670 18 49 16.505869 * 18 49 16.072282 18 49 13.997153 0.00 J1849+6705 67 02 07.88049 * 67 05 41.68023 67 06 42.60579 0.00 ./eg089c_sources.radioastron AGN, rfc_2013d Petrov, 2013, unpublished 7270 observations, RA-AO3-04, RA-AO2-12 * 2021+614 20 21 13.300234 * 20 22 06.681752 20 22 22.010385 0.00 J2022+6136 61 27 18.15575 * 61 36 58.80476 61 40 02.65366 0.00 ./eg089c_sources.radioastron AGN, CSO, rfc_2013d Petrov, 2013, unpublished 3249 observations, RA-AO3-04, RA-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 ra6cm2.set 14 4.167 0.000 1508+572 ra6cm2.set 1 2 3 4 5 6 7 8 9 10 8.586 605.698 1849+670 ra6cm2.set 1 2 3 4 5 6 7 8 9 10 0.467 32.534 2021+614 ra6cm2.set 1 2 3 4 5 6 7 8 9 10 0.333 25.718 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 104.2 1508+572 108.6 1849+670 86.1 2021+614 75.3 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