COVER INFORMATION Station: EFLSBERG (Code Ef ) 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 EFLSBERG (Code Ef ) 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: 120.49 120.49 120.49 120.49 152.49 152.49 152.49 152.49 184.49 184.49 184.49 184.49 216.49 216.49 216.49 216.49 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 10 20 15 42.3 95.4 -3.8 -46.0 0 0 07 00 00 07 09 20 =1404+286 10 29 37 43.8 97.3 -3.6 -45.8 560 72 07 00 01 07 10 17 J1422+3223 10 30 33 44.2 90.4 -3.9 -48.8 10 72 07 10 17 07 11 42 =1420+326 10 32 09 44.4 90.7 -3.8 -48.8 85 83 07 10 18 07 11 42 J1425+3231 10 31 59 44.1 90.0 -3.9 -48.9 -20 83 No stop 07 16 12 --- 10 36 29 44.8 90.9 -3.8 -48.9 250 118 07 11 43 07 16 32 J1422+3223 10 36 50 45.2 91.6 -3.8 -48.8 0 118 07 16 32 07 17 57 =1420+326 10 38 16 45.4 91.9 -3.7 -48.8 85 129 07 16 33 07 17 57 J1425+3231 10 38 16 45.1 91.2 -3.8 -48.9 -20 129 No stop 07 22 27 --- 10 42 46 45.8 92.1 -3.7 -48.9 250 164 07 17 58 07 22 58 J1422+3223 10 43 17 46.2 92.9 -3.7 -48.7 10 164 07 22 58 07 24 23 =1420+326 10 44 53 46.4 93.2 -3.6 -48.7 85 175 07 22 59 07 24 23 J1425+3231 10 44 43 46.1 92.5 -3.7 -48.8 -21 175 No stop 07 28 53 --- 10 49 13 46.8 93.4 -3.6 -48.8 249 210 07 24 24 07 29 14 J1422+3223 10 49 34 47.2 94.2 -3.6 -48.6 0 210 07 29 14 07 30 39 =1420+326 10 51 00 47.4 94.4 -3.5 -48.6 85 221 07 29 15 07 30 39 J1425+3231 10 51 00 47.1 93.8 -3.6 -48.8 -20 221 No stop 07 35 09 --- 10 55 30 47.8 94.7 -3.5 -48.7 250 255 07 30 40 07 35 41 J1422+3223 10 56 02 48.2 95.5 -3.4 -48.5 10 255 07 35 41 07 37 06 =1420+326 10 57 37 48.4 95.8 -3.4 -48.5 85 266 07 35 42 07 37 06 J1425+3231 10 57 27 48.1 95.1 -3.5 -48.6 -21 266 No stop 07 41 36 --- 11 01 58 48.8 96.0 -3.4 -48.5 249 301 07 37 07 Schedule for EFLSBERG (Code Ef ) 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 11 02 19 49.2 96.8 -3.3 -48.3 0 301 07 41 57 07 43 22 =1420+326 11 03 44 49.4 97.1 -3.3 -48.3 85 312 07 41 58 07 43 22 J1425+3231 11 03 44 49.1 96.4 -3.4 -48.5 -21 312 No stop 07 47 52 --- 11 08 15 49.8 97.4 -3.3 -48.4 249 347 07 43 23 07 48 23 J1422+3223 11 08 47 50.2 98.2 -3.2 -48.1 10 347 07 48 23 07 49 48 =1420+326 11 10 22 50.5 98.6 -3.2 -48.1 85 358 07 48 24 07 49 48 J1425+3231 11 10 12 50.1 97.8 -3.3 -48.3 -21 358 No stop 07 54 18 --- 11 14 43 50.8 98.8 -3.2 -48.1 249 393 07 49 49 07 54 40 J1422+3223 11 15 04 51.2 99.6 -3.1 -47.9 0 393 07 54 40 07 56 05 =1420+326 11 16 30 51.4 100.0 -3.1 -47.8 85 404 07 54 41 07 56 05 J1425+3231 11 16 30 51.1 99.2 -3.2 -48.1 -21 404 No stop 08 00 35 --- 11 21 00 51.8 100.2 -3.1 -47.9 249 439 07 56 06 08 01 07 J1422+3223 11 21 32 52.2 101.1 -3.0 -47.6 10 439 08 01 07 08 02 32 =1420+326 11 23 07 52.5 101.5 -3.0 -47.5 85 450 08 01 08 08 02 32 J1425+3231 11 22 57 52.1 100.7 -3.0 -47.8 -21 450 No stop 08 07 02 --- 11 27 28 52.8 101.7 -3.0 -47.5 249 484 08 02 33 08 07 24 J1422+3223 11 27 50 53.2 102.6 -2.9 -47.2 0 484 08 07 24 08 08 49 =1420+326 11 29 15 53.4 103.0 -2.9 -47.2 85 495 08 07 25 08 08 49 J1425+3231 11 29 15 53.1 102.2 -2.9 -47.5 -21 495 No stop 08 13 19 --- 11 33 46 53.8 103.2 -2.9 -47.2 249 530 08 08 50 08 13 51 J1422+3223 11 34 18 54.2 104.2 -2.8 -46.8 10 530 08 13 51 08 15 16 =1420+326 11 35 54 54.4 104.6 -2.8 -46.7 85 541 08 13 52 08 15 16 J1425+3231 11 35 44 54.1 103.7 -2.8 -47.1 -22 541 No stop 08 19 46 --- 11 40 14 54.8 104.8 -2.8 -46.8 248 576 08 15 17 08 20 08 J1422+3223 11 40 37 55.2 105.8 -2.7 -46.4 0 576 08 20 08 08 21 33 =1420+326 11 42 02 55.4 106.1 -2.7 -46.3 85 587 08 20 09 08 21 33 J1425+3231 11 42 02 55.1 105.3 -2.7 -46.6 -22 587 No stop 08 26 03 --- 11 46 33 55.8 106.4 -2.7 -46.3 248 622 08 21 34 08 26 36 J1422+3223 11 47 05 56.1 107.4 -2.6 -45.9 10 622 08 26 36 08 28 01 =1420+326 11 48 41 56.4 107.9 -2.6 -45.7 85 633 08 26 37 Schedule for EFLSBERG (Code Ef ) 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 11 48 31 56.1 106.9 -2.6 -46.1 -22 633 No stop 08 32 31 --- 11 53 01 56.7 108.1 -2.5 -45.7 248 668 08 28 02 08 32 54 J1422+3223 11 53 24 57.1 109.1 -2.5 -45.3 0 668 08 32 54 08 34 19 =1420+326 11 54 50 57.3 109.5 -2.5 -45.2 85 679 08 32 55 08 34 19 J1425+3231 11 54 50 57.0 108.6 -2.5 -45.6 -22 679 No stop 08 38 49 --- 11 59 20 57.7 109.9 -2.4 -45.1 248 714 08 34 20 08 39 22 J1422+3223 11 59 53 58.1 110.9 -2.4 -44.6 10 714 08 39 22 08 40 47 =1420+326 12 01 29 58.3 111.4 -2.4 -44.5 85 724 08 39 23 08 40 47 J1425+3231 12 01 19 58.0 110.4 -2.4 -44.9 -23 724 No stop 08 45 17 --- 12 05 49 58.7 111.7 -2.3 -44.4 247 759 08 40 48 08 45 40 J1422+3223 12 06 13 59.0 112.8 -2.3 -43.9 0 759 08 45 40 08 47 05 =1420+326 12 07 38 59.2 113.2 -2.3 -43.8 85 770 08 45 41 08 47 05 J1425+3231 12 07 38 58.9 112.2 -2.3 -44.2 -22 770 No stop 08 51 35 --- 12 12 09 59.6 113.6 -2.2 -43.7 248 805 08 47 06 08 52 09 J1422+3223 12 12 42 59.9 114.7 -2.2 -43.1 10 805 08 52 09 08 53 34 =1420+326 12 14 18 60.2 115.2 -2.1 -42.9 85 816 08 52 10 08 53 34 J1425+3231 12 14 08 59.9 114.2 -2.2 -43.4 -23 816 No stop 08 58 04 --- 12 18 38 60.5 115.6 -2.1 -42.8 247 851 08 53 35 08 58 38 J1422+3223 12 19 12 60.9 116.8 -2.1 -42.2 10 851 08 58 38 09 00 00 =1420+326 12 20 45 61.1 117.3 -2.0 -42.0 82 861 08 58 39 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: sess311.ef023b --- 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: 11 Station: EFLSBERG Total bit rate: 1024 Format: MKIV1:2 Bits per sample: 2 Sample rate: 32.000 Number of channels: 16 DBE type: Speedup factor: 0.50 Disk used to record data. 1st LO= 1490.00 1490.00 1490.00 1490.00 1490.00 1490.00 1490.00 1490.00 1490.00 1490.00 1490.00 1490.00 1490.00 1490.00 1490.00 1490.00 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 = 1 5 1 5 2 6 2 6 3 7 3 7 4 8 4 8 BBC SB= L L U U L L U U L L U U L L U U IF = B D B D B D B D B D B D B D B D The following frequency sets based on these setups were used. Frequency Set: 1 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= 120.49 120.49 120.49 120.49 152.49 152.49 152.49 152.49 184.49 184.49 184.49 184.49 216.49 216.49 216.49 216.49 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: 1 Track assignments are: track1= 2, 10, 18, 26, 3, 11, 19, 27, 66, 74, 82, 90, 67, 75, 83, 91 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