COVER INFORMATION Station: ZELENCHK (Code Zc ) Experiment: Zooming into the centre of the mysterious high-redshift quasar PMN J0909 Exp. Code: EP115 Schedule Version: 1.00 Processed by SCHED version: 11.50 Development version 11.5. Started Apr. 2 PI: Krisztina Perger Address: Eotvos University Pazmany P setany 1/A H-1117 Budapest Hungary Phone: +36 20 9959334 EMAIL: pergertina@gmail.com Fax: Phone during observation: +36 20 9959334 Observing mode: 6 cm 1 Gb/s Notes: Schedule for ZELENCHK (Code Zc ) Page 2 Zooming into the centre of the mysterious high-redshift quasar PMN J0909 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 1 Mar 2019 Day 60 --- Next scan frequencies: 4942.49 4942.49 4942.49 4942.49 4974.49 4974.49 4974.49 4974.49 5006.49 5006.49 5006.49 5006.49 5038.49 5038.49 5038.49 5038.49 Next BBC frequencies: 442.49 442.49 442.49 442.49 474.49 474.49 474.49 474.49 506.49 506.49 506.49 506.49 538.49 538.49 538.49 538.49 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 18 30 00 J0909+0121 07 53 21 44.2 512.7 -1.3 -19.3 0 0 18 30 00 18 40 00 =0906+015 08 03 23 45.0 516.0 -1.1 -17.0 600 77 18 30 01 18 41 30 J0909+0354 08 04 53 47.5 515.4 -1.1 -17.5 71 77 18 41 30 18 56 30 =0906+041 08 19 56 48.5 520.8 -0.8 -13.7 900 192 18 41 31 18 57 00 J0909+0354 08 20 26 48.6 521.0 -0.8 -13.6 24 192 18 57 00 19 12 00 =0906+041 08 35 28 49.3 526.6 -0.6 -9.6 900 308 18 57 01 19 12 30 J0909+0354 08 35 58 49.3 526.8 -0.6 -9.5 24 308 19 12 30 19 27 30 =0906+041 08 51 01 49.8 532.5 -0.3 -5.4 900 423 19 12 31 19 28 00 J0909+0354 08 51 31 49.8 532.7 -0.3 -5.2 24 423 19 28 00 19 43 00 =0906+041 09 06 33 50.0 538.6 -0.1 -1.0 900 538 19 28 01 19 43 30 J0909+0354 09 07 03 50.0 538.8 -0.1 -0.9 24 538 19 43 30 19 58 30 =0906+041 09 22 06 50.0 544.6 0.2 3.3 900 654 19 43 31 19 59 00 J0909+0354 09 22 36 50.0 544.8 0.2 3.5 24 654 19 59 00 20 14 00 =0906+041 09 37 38 49.6 550.6 0.5 7.6 900 769 19 59 01 20 22 30 J0909+0354 09 46 10 49.3 553.8 0.6 9.9 502 769 20 22 30 20 37 30 =0906+041 10 01 12 48.5 559.4 0.8 13.9 900 885 20 22 31 20 39 00 J0909+0835 10 02 42 52.9 561.9 0.9 15.8 66 885 20 39 00 20 44 00 =0906+087 10 07 43 52.6 563.8 1.0 17.1 300 923 20 39 01 20 45 30 J0909+0354 10 09 14 48.0 562.3 1.0 15.9 66 923 20 45 30 21 00 30 =0906+041 10 24 16 46.8 567.6 1.2 19.6 900 1038 20 45 31 21 01 00 J0909+0354 10 24 46 46.8 567.7 1.2 19.7 24 1038 21 01 00 21 16 00 =0906+041 10 39 49 45.4 572.8 1.5 23.1 900 1154 21 01 01 21 16 30 J0909+0354 10 40 19 45.4 572.9 1.5 23.2 24 1154 21 16 30 21 31 30 =0906+041 10 55 21 43.8 577.7 1.8 26.3 900 1269 21 16 31 21 32 00 J0909+0354 10 55 51 43.7 577.9 1.8 26.4 24 1269 21 32 00 21 47 00 =0906+041 11 10 54 42.0 582.4 2.0 29.2 900 1385 21 32 01 Schedule for ZELENCHK (Code Zc ) Page 3 Zooming into the centre of the mysterious high-redshift quasar PMN J0909 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 1 Mar 2019 Day 60 --- 21 48 30 J0909+0354 11 12 24 41.8 582.8 2.0 29.5 83 1385 21 48 30 22 03 30 =0906+041 11 27 26 39.9 587.1 2.3 32.0 900 1500 21 48 31 22 04 00 J0909+0354 11 27 56 39.8 587.2 2.3 32.1 24 1500 22 04 00 22 19 00 =0906+041 11 42 59 37.8 591.3 2.5 34.4 900 1615 22 04 01 22 19 30 J0909+0354 11 43 29 37.7 591.4 2.6 34.4 24 1615 22 19 30 22 34 30 =0906+041 11 58 31 35.5 595.2 2.8 36.5 900 1731 22 19 31 22 35 00 J0909+0354 11 59 02 35.4 595.3 2.8 36.5 24 1731 22 35 00 22 50 00 =0906+041 12 14 04 33.2 598.9 3.1 38.3 900 1846 22 35 01 22 50 30 J0909+0354 12 14 34 33.1 599.1 3.1 38.4 24 1846 22 50 30 23 05 30 =0906+041 12 29 37 30.7 602.5 3.3 39.9 900 1962 22 50 31 23 06 00 J0909+0354 12 30 07 30.6 602.6 3.3 40.0 24 1962 23 06 00 23 21 00 =0906+041 12 45 09 28.2 605.9 3.6 41.3 900 2077 23 06 01 23 21 30 J0909+0354 12 45 39 28.1 606.0 3.6 41.4 24 2077 23 21 30 23 36 30 =0906+041 13 00 42 25.6 609.1 3.8 42.5 900 2192 23 21 31 23 38 00 J0909+0835 13 02 12 28.7 613.0 3.9 44.3 68 2192 23 38 00 23 43 00 =0906+087 13 07 13 27.9 614.0 3.9 44.6 300 2231 23 38 01 23 44 30 J0909+0354 13 08 43 24.2 610.7 4.0 43.1 68 2231 23 44 30 23 59 30 =0906+041 13 23 45 21.7 613.7 4.2 44.0 900 2346 23 44 31 --- Sat 2 Mar 2019 Day 61 --- 00 00 00 J0909+0354 13 24 15 21.6 613.8 4.2 44.0 24 2346 00 00 00 00 15 00 =0906+041 13 39 18 18.9 616.6 4.5 44.7 900 2462 00 00 01 00 15 30 J0909+0354 13 39 48 18.9 616.7 4.5 44.8 24 2462 00 15 30 00 30 00 =0906+041 13 54 20 16.3 619.4 4.7 45.3 870 2573 00 15 31 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess119.C1024 Matching groups in /home/guest/rmc/SCHED/sched11.5/catalogs/freq_RDBE.dat: kvzr_c Added by Des Small, 24 February 2012 Setup group: 2 Station: ZELENCHK 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= 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 4500.00 Net SB= L L U U L L U U L L U U L L U U IF SB = U U U U U U U U U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 9 1 9 2 10 2 10 3 11 3 11 4 12 4 12 BBC SB= L L U U L L U U L L U U L L U U IF = A B A B A B A B A B A B A B A B The following frequency sets based on these setups were used. Frequency Set: 11 Setup file default. Used with PCAL = off LO sum= 4942.49 4942.49 4942.49 4942.49 4974.49 4974.49 4974.49 4974.49 5006.49 5006.49 5006.49 5006.49 5038.49 5038.49 5038.49 5038.49 BBC fr= 442.49 442.49 442.49 442.49 474.49 474.49 474.49 474.49 506.49 506.49 506.49 506.49 538.49 538.49 538.49 538.49 Bandwd= 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 Matching frequency sets: 11 12 13 Track assignments are: track1= 18, 26, 2, 10, 20, 28, 4, 12, 22, 30, 6, 14, 24, 32, 8, 16 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) 0906+015 09 06 35.181592 * 09 09 10.091598 09 10 09.697860 0.11 * J0909+0121 01 33 48.12918 * 01 21 35.61770 01 16 47.34205 0.11 /home/guest/rmc/SCHED/sched11.5/catalogs/sources.rfc rfc_2018a Petrov and Kovalev, in preparation 1139 observations 0906+087 09 06 31.437175 * 09 09 12.157509 09 10 13.928511 0.18 * J0909+0835 08 47 53.54414 * 08 35 41.09893 08 30 53.70712 0.28 /home/guest/rmc/SCHED/sched11.5/catalogs/sources.rfc rfc_2018a Petrov and Kovalev, in preparation 222 observations 0906+041 09 06 38.966604 * 09 09 15.910976 09 10 16.273447 0.36 * J0909+0354 04 06 55.50047 * 03 54 42.75896 03 49 54.68799 0.73 /home/guest/rmc/SCHED/sched11.5/catalogs/sources.rfc rfc_2018a Petrov and Kovalev, in preparation 45 observations 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 J0909+0121 sess119.C1024 1 2 3 4 5 6 7 8 9 10 11 14 0.167 17.500 J0909+0835 sess119.C1024 1 2 3 4 5 6 8 9 10 11 14 0.167 13.083 J0909+0354 sess119.C1024 1 2 3 4 5 6 7 8 9 10 11 14 5.242 425.200 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) J0909+0121 154.4 J0909+0835 155.3 J0909+0354 155.0 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