COVER INFORMATION Station: WSTRBORK (Code Wb ) Experiment: J2102+6015: a powerful high-redshift quasar Exp. Code: EF029B Schedule Version: 2.00 Processed by SCHED version: 11.60 Release 11.6; April 2020 PI: Sandor Frey Address: Konkoly Observatory Konkoly Thege M ut 15-17 H-1121 Budapest Hungary Phone: +36 20 3561859 EMAIL: sandor.frey@gmail.com Fax: Phone during observation: +36 20 3561859 Observing mode: 6 cm 2 Gb/s Notes: Schedule for WSTRBORK (Code Wb ) Page 2 J2102+6015: a powerful high-redshift quasar 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 ---------------------------------------------------------------------------------------- --- Mon 14 Jun 2021 Day 165 --- Next scan frequencies: 4958.49 4958.49 4958.49 4958.49 5022.49 5022.49 5022.49 5022.49 Next BBC frequencies: 371.49 371.49 371.49 371.49 435.49 435.49 435.49 435.49 Next scan bandwidths: 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 18 30 00 J1407+2827 12 29 28 59.5 133.8 -1.6 0.0 0 0 18 30 00 18 40 00 =1404+286 12 39 30 60.5 137.7 -1.5 0.0 600 77 18 30 01 21 06 10 J2102+6015 15 06 04 44.2 43.6 -6.0 0.0 8531 77 21 06 10 21 20 40 =2101+600 15 20 37 45.7 45.0 -5.7 0.0 870 189 21 06 11 21 21 10 J2055+6122 15 21 07 47.1 44.2 -5.6 0.0 11 189 21 21 10 21 22 10 =2054+611 15 22 07 47.2 44.3 -5.6 0.0 60 197 21 21 11 21 22 10 J2102+6015 15 22 07 45.9 45.1 -5.7 0.0 -19 197 No stop 21 25 40 =2101+600 15 25 37 46.2 45.4 -5.6 0.0 191 224 21 22 11 21 25 40 J2055+6122 15 25 37 47.5 44.6 -5.5 0.0 -19 224 No stop 21 27 10 =2054+611 15 27 08 47.7 44.7 -5.5 0.0 71 236 21 25 41 21 27 10 J2102+6015 15 27 08 46.4 45.6 -5.6 0.0 -19 236 No stop 21 30 40 =2101+600 15 30 38 46.8 45.9 -5.5 0.0 191 263 21 27 11 21 30 40 J2055+6122 15 30 38 48.1 45.0 -5.4 0.0 -19 263 No stop 21 32 10 =2054+611 15 32 08 48.2 45.1 -5.4 0.0 71 274 21 30 41 21 32 40 J2102+6015 15 32 38 47.0 46.0 -5.5 0.0 11 274 21 32 40 21 47 10 =2101+600 15 47 11 48.6 47.3 -5.3 0.0 870 386 21 32 41 21 47 40 J2102+6015 15 47 41 48.7 47.3 -5.3 0.0 19 386 21 47 40 22 02 10 =2101+600 16 02 13 50.3 48.5 -5.0 0.0 870 499 21 47 41 22 02 40 J2102+6015 16 02 43 50.3 48.5 -5.0 0.0 19 499 22 02 40 22 17 10 =2101+600 16 17 16 52.0 49.7 -4.8 0.0 870 611 22 02 41 22 17 40 J2102+6015 16 17 46 52.1 49.7 -4.8 0.0 19 611 22 17 40 22 32 10 =2101+600 16 32 18 53.7 50.7 -4.5 0.0 870 723 22 17 41 22 40 10 J2102+6015 16 40 20 54.7 51.3 -4.4 0.0 469 723 22 40 10 22 47 10 =2101+600 16 47 21 55.5 51.7 -4.3 0.0 420 777 22 40 11 22 47 40 J2102+6015 16 47 51 55.6 51.8 -4.3 0.0 19 777 22 47 40 23 02 10 =2101+600 17 02 23 57.3 52.7 -4.0 0.0 870 889 22 47 41 23 02 40 J2102+6015 17 02 53 57.4 52.7 -4.0 0.0 19 889 23 02 40 23 17 10 =2101+600 17 17 26 59.1 53.5 -3.8 0.0 870 1001 23 02 41 Schedule for WSTRBORK (Code Wb ) Page 3 J2102+6015: a powerful high-redshift quasar 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 ---------------------------------------------------------------------------------------- --- Mon 14 Jun 2021 Day 165 --- 23 17 40 J2102+6015 17 17 56 59.2 53.5 -3.8 0.0 19 1001 23 17 40 23 32 10 =2101+600 17 32 28 60.9 54.1 -3.5 0.0 870 1113 23 17 41 23 32 40 J2055+6122 17 32 58 62.0 52.1 -3.4 0.0 11 1113 23 32 40 23 33 40 =2054+611 17 33 58 62.1 52.1 -3.4 0.0 60 1121 23 32 41 23 33 40 J2102+6015 17 33 58 61.1 54.2 -3.5 0.0 -19 1121 No stop 23 37 10 =2101+600 17 37 29 61.6 54.3 -3.4 0.0 191 1148 23 33 41 23 37 10 J2055+6122 17 37 29 62.5 52.2 -3.3 0.0 -19 1148 No stop 23 38 40 =2054+611 17 38 59 62.7 52.2 -3.3 0.0 71 1159 23 37 11 23 38 40 J2102+6015 17 38 59 61.7 54.4 -3.4 0.0 -19 1159 No stop 23 42 10 =2101+600 17 42 30 62.2 54.5 -3.3 0.0 191 1186 23 38 41 23 42 10 J2055+6122 17 42 30 63.1 52.3 -3.2 0.0 -19 1186 No stop 23 43 40 =2054+611 17 44 00 63.3 52.3 -3.2 0.0 71 1198 23 42 11 23 44 10 J2102+6015 17 44 30 62.4 54.6 -3.3 0.0 11 1198 23 44 10 23 58 40 =2101+600 17 59 02 64.2 55.0 -3.1 0.0 870 1310 23 44 11 --- Start: Mon 14 Jun 2021 Day 165 -- Stop: Tue 15 Jun 2021 Day 166 --- 23 59 10 J2102+6015 17 59 33 64.3 55.0 -3.1 0.0 19 1310 23 59 10 00 13 40 =2101+600 18 14 05 66.1 55.2 -2.8 0.0 870 1422 23 59 11 00 14 10 J2102+6015 18 14 35 66.1 55.2 -2.8 0.0 19 1422 00 14 10 00 28 40 =2101+600 18 29 07 67.9 55.1 -2.6 0.0 870 1534 00 14 11 00 29 10 J2102+6015 18 29 37 68.0 55.1 -2.6 0.0 19 1534 00 29 10 00 43 40 =2101+600 18 44 10 69.8 54.7 -2.3 0.0 870 1646 00 29 11 00 44 10 J2102+6015 18 44 40 69.8 54.7 -2.3 0.0 19 1646 00 44 10 00 58 40 =2101+600 18 59 12 71.6 54.0 -2.1 0.0 870 1758 00 44 11 00 59 10 J2102+6015 18 59 42 71.7 53.9 -2.1 0.0 19 1758 00 59 10 01 13 40 =2101+600 19 14 15 73.4 52.7 -1.8 0.0 870 1870 00 59 11 01 14 10 J2055+6122 19 14 45 74.0 47.9 -1.7 0.0 11 1870 01 14 10 01 15 10 =2054+611 19 15 45 74.1 47.7 -1.7 0.0 60 1878 01 14 11 01 15 10 J2102+6015 19 15 45 73.6 52.5 -1.8 0.0 -19 1878 No stop 01 18 40 =2101+600 19 19 16 74.0 52.1 -1.7 0.0 191 1905 01 15 11 Schedule for WSTRBORK (Code Wb ) Page 4 J2102+6015: a powerful high-redshift quasar 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 ---------------------------------------------------------------------------------------- --- Tue 15 Jun 2021 Day 166 --- 01 18 40 J2055+6122 19 19 16 74.5 47.2 -1.6 0.0 -19 1905 No stop 01 20 10 =2054+611 19 20 46 74.7 46.9 -1.6 0.0 71 1917 01 18 41 01 20 10 J2102+6015 19 20 46 74.2 51.9 -1.7 0.0 -19 1917 No stop 01 23 40 =2101+600 19 24 16 74.6 51.4 -1.6 0.0 191 1944 01 20 11 01 23 40 J2055+6122 19 24 16 75.0 46.3 -1.5 0.0 -19 1944 No stop 01 25 10 =2054+611 19 25 47 75.2 46.0 -1.5 0.0 71 1955 01 23 41 01 25 40 J2102+6015 19 26 17 74.9 51.1 -1.6 0.0 11 1955 01 25 40 01 40 10 =2101+600 19 40 49 76.5 48.4 -1.4 0.0 870 2068 01 25 41 01 40 40 J2102+6015 19 41 19 76.6 48.3 -1.4 0.0 19 2068 01 40 40 01 55 10 =2101+600 19 55 52 78.2 44.5 -1.1 0.0 870 2180 01 40 41 01 55 40 J2102+6015 19 56 22 78.2 44.3 -1.1 0.0 19 2180 01 55 40 02 10 10 =2101+600 20 10 54 79.7 38.8 -0.9 0.0 870 2292 01 55 41 02 10 40 J2102+6015 20 11 24 79.8 38.6 -0.9 0.0 19 2292 02 10 40 02 16 10 =2101+600 20 16 55 80.3 35.9 -0.8 0.0 330 2334 02 10 41 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess221.C2048 --- 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: 15 Station: WSTRBORK Total bit rate: 1024 Format: VDIF Bits per sample: 2 Sample rate: 64.000 Number of channels: 8 DBE type: DBBC_DDC Speedup factor: 1.00 Disk used to record data. 1st LO= 4587.00 4587.00 4587.00 4587.00 4587.00 4587.00 4587.00 4587.00 Net SB= L L U U L L U U IF SB = U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 9 1 9 2 10 2 10 BBC SB= L L U U L L U U IF = A1 B1 A1 B1 A1 B1 A1 B1 The following frequency sets based on these setups were used. Frequency Set: 2 Setup file default. Used with PCAL = off LO sum= 4958.49 4958.49 4958.49 4958.49 5022.49 5022.49 5022.49 5022.49 BBC fr= 371.49 371.49 371.49 371.49 435.49 435.49 435.49 435.49 Bandwd= 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 Matching frequency sets: 2 Track assignments are: track1= 1, 2, 3, 4, 5, 6, 7, 8 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) 0316+413 03 16 29.567283 * 03 19 48.160114 03 21 10.748342 0.14 * J0319+4130 41 19 51.91856 * 41 30 42.10568 41 35 07.50128 0.11 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.rfc rfc_2018a Petrov and Kovalev, in preparation 15726 observations 1404+286 14 04 45.615157 * 14 07 00.394415 14 07 58.326191 0.11 * J1407+2827 28 41 29.23512 * 28 27 14.69015 28 21 20.42493 0.10 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.rfc rfc_2018a Petrov and Kovalev, in preparation 72228 observations 2021+614 20 21 13.300234 * 20 22 06.681752 20 22 31.031457 0.21 * J2022+6136 61 27 18.15582 * 61 36 58.80483 61 40 50.88027 0.10 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.rfc rfc_2018a Petrov and Kovalev, in preparation 3597 observations 2054+611 20 54 33.038660 * 20 55 38.838295 20 56 08.122312 0.36 * J2055+6122 61 10 27.48076 * 61 22 00.63796 61 26 38.81834 0.16 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.rfc rfc_2018a Petrov and Kovalev, in preparation 278 observations 2101+600 21 01 28.001902 * 21 02 40.219102 21 03 12.116510 0.89 * J2102+6015 60 03 15.00381 * 60 15 09.83639 60 19 57.09239 0.34 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.rfc rfc_2018a Petrov and Kovalev, in preparation 102 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 J0319+4130 sess221.C2048 1 3 4 5 6 7 8 9 11 15 0.167 11.973 J1407+2827 sess221.C2048 1 2 3 4 5 6 7 8 9 10 11 15 0.167 17.500 J2022+6136 sess221.C2048 1 3 4 5 6 7 8 9 10 11 15 0.167 12.815 J2055+6122 sess221.C2048 1 2 3 4 5 6 7 8 9 10 11 15 0.267 21.555 J2102+6015 sess221.C2048 1 2 3 4 5 6 7 8 9 10 11 15 6.717 612.331 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) J0319+4130 33.2 J1407+2827 108.3 J2022+6136 88.6 J2055+6122 86.1 J2102+6015 86.2 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