COVER INFORMATION Station: URUMQI (Code Ur ) Experiment: The double-peaked emission line quasar SDSS J1425+3231 Exp. Code: EF023B Schedule Version: 1.00 Processed by SCHED version: 10.00 Release Sept. 15, 2011 PI: Sandor Frey Address: FOMI Satellite Geodetic Observatory P.O. Box 585 H-1592 Budapest Hungary Phone: +36 27 374980 EMAIL: frey@sgo.fomi.hu Fax: +36 27 374982 Phone during observation: +36 27 374980 Observing mode: 18 cm phase-referencing 1 Gb/s Notes: Schedule for URUMQI (Code Ur ) Page 2 The double-peaked emission line quasar SDSS J1425+3231 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 4 Nov 2011 Day 308 --- Next scan frequencies: 1610.49 1610.49 1610.49 1610.49 1642.49 1642.49 1642.49 1642.49 1674.49 1674.49 1674.49 1674.49 1706.49 1706.49 1706.49 1706.49 Next BBC frequencies: 310.49 310.49 310.49 310.49 342.49 342.49 342.49 342.49 374.49 374.49 374.49 374.49 406.49 406.49 406.49 406.49 Next scan bandwidths: 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 07 00 00 J1407+2827 15 41 26 65.9 239.1 1.6 45.0 0 0 07 00 00 07 09 20 =1404+286 15 50 48 64.4 242.5 1.7 47.0 560 72 07 00 04 07 10 17 J1422+3223 15 51 44 69.4 244.8 1.5 51.0 43 72 07 10 17 07 11 42 =1420+326 15 53 19 69.1 245.4 1.5 51.3 85 83 07 10 21 07 11 42 J1425+3231 15 53 09 69.6 244.7 1.5 51.0 -4 83 No stop 07 16 12 --- 15 57 40 68.9 246.3 1.5 52.0 266 118 07 11 46 07 16 32 J1422+3223 15 58 01 68.3 247.1 1.6 52.3 17 118 07 16 32 07 17 57 =1420+326 15 59 26 68.1 247.6 1.6 52.6 85 129 07 16 36 07 17 57 J1425+3231 15 59 26 68.6 247.0 1.6 52.3 -4 129 No stop 07 22 27 --- 16 03 57 67.8 248.5 1.6 53.2 266 164 07 18 01 07 22 58 J1422+3223 16 04 28 67.2 249.3 1.7 53.4 27 164 07 22 58 07 24 23 =1420+326 16 06 03 67.0 249.8 1.7 53.7 85 175 07 23 02 07 24 23 J1425+3231 16 05 53 67.5 249.2 1.7 53.5 -4 175 No stop 07 28 53 --- 16 10 24 66.7 250.6 1.7 54.2 266 210 07 24 27 07 29 14 J1422+3223 16 10 45 66.2 251.2 1.8 54.4 17 210 07 29 14 07 30 39 =1420+326 16 12 10 65.9 251.7 1.8 54.6 85 221 07 29 18 07 30 39 J1425+3231 16 12 10 66.4 251.1 1.8 54.5 -4 221 No stop 07 35 09 --- 16 16 41 65.7 252.5 1.9 55.1 266 255 07 30 43 07 35 41 J1422+3223 16 17 12 65.0 253.1 1.9 55.3 27 255 07 35 41 07 37 06 =1420+326 16 18 48 64.8 253.6 1.9 55.5 85 266 07 35 45 07 37 06 J1425+3231 16 18 38 65.3 253.1 1.9 55.4 -4 266 No stop 07 41 36 --- 16 23 08 64.5 254.3 2.0 55.9 266 301 07 37 10 Schedule for URUMQI (Code Ur ) Page 3 The double-peaked emission line quasar SDSS J1425+3231 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 4 Nov 2011 Day 308 --- 07 41 57 J1422+3223 16 23 30 63.9 254.9 2.0 56.0 17 301 07 41 57 07 43 22 =1420+326 16 24 55 63.7 255.2 2.0 56.2 85 312 07 42 01 07 43 22 J1425+3231 16 24 55 64.2 254.8 2.0 56.1 -4 312 No stop 07 47 52 --- 16 29 26 63.4 256.0 2.1 56.6 266 347 07 43 26 07 48 23 J1422+3223 16 29 57 62.8 256.6 2.1 56.7 27 347 07 48 23 07 49 48 =1420+326 16 31 33 62.5 257.0 2.1 56.8 85 358 07 48 27 07 49 48 J1425+3231 16 31 23 63.1 256.5 2.1 56.8 -4 358 No stop 07 54 18 --- 16 35 53 62.3 257.6 2.2 57.2 266 393 07 49 52 07 54 40 J1422+3223 16 36 15 61.7 258.1 2.2 57.2 18 393 07 54 40 07 56 05 =1420+326 16 37 40 61.4 258.5 2.2 57.3 85 404 07 54 44 07 56 05 J1425+3231 16 37 40 62.0 258.1 2.2 57.3 -4 404 No stop 08 00 35 --- 16 42 11 61.2 259.2 2.3 57.7 266 439 07 56 09 08 01 07 J1422+3223 16 42 43 60.5 259.6 2.3 57.7 28 439 08 01 07 08 02 32 =1420+326 16 44 18 60.3 260.0 2.4 57.8 85 450 08 01 11 08 02 32 J1425+3231 16 44 08 60.8 259.6 2.3 57.8 -4 450 No stop 08 07 02 --- 16 48 39 60.0 260.6 2.4 58.1 266 484 08 02 36 08 07 24 J1422+3223 16 49 01 59.4 261.1 2.4 58.0 18 484 08 07 24 08 08 49 =1420+326 16 50 26 59.2 261.4 2.5 58.1 85 495 08 07 28 08 08 49 J1425+3231 16 50 26 59.7 261.0 2.4 58.2 -4 495 No stop 08 13 19 --- 16 54 57 58.9 262.0 2.5 58.4 266 530 08 08 53 08 13 51 J1422+3223 16 55 29 58.3 262.4 2.5 58.4 28 530 08 13 51 08 15 16 =1420+326 16 57 04 58.0 262.8 2.6 58.4 85 541 08 13 55 08 15 16 J1425+3231 16 56 54 58.5 262.4 2.5 58.5 -4 541 No stop 08 19 46 --- 17 01 25 57.7 263.4 2.6 58.7 266 576 08 15 20 08 20 08 J1422+3223 17 01 48 57.1 263.7 2.6 58.6 18 576 08 20 08 08 21 33 =1420+326 17 03 13 56.9 264.0 2.7 58.7 85 587 08 20 12 08 21 33 J1425+3231 17 03 13 57.4 263.7 2.6 58.8 -4 587 No stop 08 26 03 --- 17 07 44 56.6 264.6 2.7 58.9 266 622 08 21 37 08 26 36 J1422+3223 17 08 16 55.9 265.0 2.8 58.8 28 622 08 26 36 08 28 01 =1420+326 17 09 51 55.7 265.3 2.8 58.9 85 633 08 26 40 Schedule for URUMQI (Code Ur ) Page 4 The double-peaked emission line quasar SDSS J1425+3231 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 4 Nov 2011 Day 308 --- 08 28 01 J1425+3231 17 09 41 56.2 265.0 2.7 59.0 -4 633 No stop 08 32 31 --- 17 14 12 55.4 265.9 2.8 59.1 266 668 08 28 05 08 32 54 J1422+3223 17 14 35 54.8 266.2 2.9 59.0 19 668 08 32 54 08 34 19 =1420+326 17 16 00 54.5 266.5 2.9 59.0 85 679 08 32 58 08 34 19 J1425+3231 17 16 00 55.1 266.2 2.8 59.1 -4 679 No stop 08 38 49 --- 17 20 31 54.3 267.1 2.9 59.2 266 714 08 34 23 08 39 22 J1422+3223 17 21 04 53.6 267.5 3.0 59.1 29 714 08 39 22 08 40 47 =1420+326 17 22 39 53.3 267.7 3.0 59.1 85 724 08 39 26 08 40 47 J1425+3231 17 22 29 53.9 267.4 2.9 59.2 -4 724 No stop 08 45 17 --- 17 27 00 53.1 268.3 3.0 59.3 266 759 08 40 51 08 45 40 J1422+3223 17 27 23 52.5 268.6 3.1 59.2 19 759 08 45 40 08 47 05 =1420+326 17 28 49 52.2 268.8 3.1 59.2 85 770 08 45 44 08 47 05 J1425+3231 17 28 49 52.8 268.6 3.1 59.3 -4 770 No stop 08 51 35 --- 17 33 19 52.0 269.4 3.1 59.3 266 805 08 47 09 08 52 09 J1422+3223 17 33 53 51.3 269.7 3.2 59.2 29 805 08 52 09 08 53 34 =1420+326 17 35 28 51.0 270.0 3.2 59.2 85 816 08 52 13 08 53 34 J1425+3231 17 35 18 51.6 269.7 3.2 59.3 -4 816 No stop 08 58 04 --- 17 39 49 50.8 270.5 3.2 59.3 266 851 08 53 38 08 58 38 J1422+3223 17 40 23 50.1 270.8 3.3 59.2 30 851 08 58 38 09 00 00 =1420+326 17 41 55 49.8 271.1 3.3 59.2 82 861 08 58 42 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: sess311.ef023b Matching groups in /usr/local/sched/catalogs/freq.dat: ur18cm update L.Xiang 9Feb05 Setup group: 6 Station: URUMQI Total bit rate: 1024 Format: MARK5B Bits per sample: 2 Sample rate: 32.000 Number of channels: 16 DBE type: Speedup factor: 1.00 Disk used to record data. 1st LO= 1300.00 1300.00 1300.00 1300.00 1300.00 1300.00 1300.00 1300.00 1300.00 1300.00 1300.00 1300.00 1300.00 1300.00 1300.00 1300.00 Net SB= L L U U L L U U L L U U L L U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP BBC = 2 1 2 1 4 3 4 3 6 5 6 5 8 7 8 7 BBC SB= L L U U L L U U L L U U L L U U IF = 2N 1N 2N 1N 2N 1N 2N 1N 2N 1N 2N 1N 2N 1N 2N 1N The following frequency sets based on these setups were used. Frequency Set: 10 Setup file default. LO sum= 1610.49 1610.49 1610.49 1610.49 1642.49 1642.49 1642.49 1642.49 1674.49 1674.49 1674.49 1674.49 1706.49 1706.49 1706.49 1706.49 BBC fr= 310.49 310.49 310.49 310.49 342.49 342.49 342.49 342.49 374.49 374.49 374.49 374.49 406.49 406.49 406.49 406.49 Bandwd= 16.000 16.000 16.000 16.000 16.000 16.000 16.000 16.000 16.000 16.000 16.000 16.000 16.000 16.000 16.000 16.000 Matching frequency sets: 10 Track assignments are: track1= 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32 barrel=roll_off SOURCES USED IN RECORDING SCANS -- The double-peaked emission line quasar SDSS J1425+3231 Catalog positions marked with *. Precession of date coordinates is based on stop time of first scan. Names used in schedule marked with *. Short names used in VLA and SNAP files marked with +. Observation date used in B1950/J2000 coordinate conversion (PRECDATE): 1979.900 No adjustments are made for rates (DRA, DDEC). Scan hours are for recording scans only. Baseline hours are only counted for scans above horizon at both ends. Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * J1425+3231 14 22 58.709816 * 14 25 07.326700 14 25 36.949371 0.00 32 45 07.93455 * 32 31 37.51400 32 28 26.14162 0.00 From catalog imbedded in main SCHED input file. N comp. coords. from rsf04 1.275 scan and 65.489 baseline hours in setup: sess311.ef023b Frequency sets (dups not shown): 1 2 3 4 5 6 7 8 9 10 11 * J1407+2827 14 04 45.615156 * 14 07 00.394414 14 07 31.605653 0.24 1404+286 28 41 29.23518 * 28 27 14.69021 28 23 52.07886 0.35 J1407+28 /usr/local/sched/catalogs/sources.vlba OQ208 GSFC 2010a astro solution 66201 Observations 0.156 scan and 8.556 baseline hours in setup: sess311.ef023b Frequency sets (dups not shown): 1 2 3 4 5 6 7 8 9 10 11 * J1422+3223 14 20 21.232070 * 14 22 30.378960 14 23 00.134714 0.09 1420+326 32 36 47.54371 * 32 23 10.44016 32 19 57.31056 0.12 J1422+32 /usr/local/sched/catalogs/sources.vlba GSFC 2010a astro solution 374 Observations 0.424 scan and 21.212 baseline hours in setup: sess311.ef023b Frequency sets (dups not shown): 1 2 3 4 5 6 7 8 9 10 11 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) J1425+3231 47.8 J1407+2827 44.3 J1422+3223 47.7 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