COVER INFORMATION Station: ONSALA85 (Code O8 ) 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 ONSALA85 (Code O8 ) 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: 4830.49 4830.49 4830.49 4830.49 4894.49 4894.49 4894.49 4894.49 4958.49 4958.49 4958.49 4958.49 5022.49 5022.49 5022.49 5022.49 Next BBC frequencies: 730.49 730.49 730.49 730.49 794.49 794.49 794.49 794.49 858.49 858.49 858.49 858.49 922.49 922.49 922.49 922.49 Next scan bandwidths: 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 18 30 00 J1407+2827 12 50 46 58.0 146.8 -1.3 0.0 0 0 18 30 00 18 40 00 =1404+286 13 00 48 58.7 150.7 -1.1 0.0 600 155 18 30 01 18 44 00 J2022+6136 13 04 48 41.0 36.4 -7.3 0.0 -84 155 18 44 00 18 54 00 =2021+614 13 14 50 41.8 37.5 -7.1 0.0 516 309 18 44 01 18 54 40 J2055+6122 13 15 30 39.1 33.9 -7.7 0.0 3 309 18 54 40 18 55 40 =2054+611 13 16 30 39.2 34.0 -7.7 0.0 60 325 18 54 41 18 55 40 J2102+6015 13 16 30 37.8 34.0 -7.8 0.0 -15 325 No stop 18 59 10 =2101+600 13 20 01 38.0 34.4 -7.7 0.0 195 379 18 55 41 18 59 10 J2055+6122 13 20 01 39.4 34.4 -7.6 0.0 -15 379 No stop 19 00 40 =2054+611 13 21 31 39.5 34.6 -7.6 0.0 75 402 18 59 11 19 00 40 J2102+6015 13 21 31 38.1 34.6 -7.7 0.0 -15 402 No stop 19 04 10 =2101+600 13 25 02 38.4 35.1 -7.6 0.0 195 456 19 00 41 19 04 10 J2055+6122 13 25 02 39.8 35.0 -7.5 0.0 -15 456 No stop 19 05 40 =2054+611 13 26 32 39.9 35.2 -7.5 0.0 75 479 19 04 11 19 06 10 J2102+6015 13 27 02 38.6 35.3 -7.6 0.0 15 479 19 06 10 19 20 40 =2101+600 13 41 35 39.7 37.1 -7.4 0.0 870 703 19 06 11 19 21 10 J2102+6015 13 42 05 39.8 37.2 -7.4 0.0 24 703 19 21 10 19 35 40 =2101+600 13 56 37 41.0 38.9 -7.1 0.0 870 927 19 21 11 19 36 10 J2102+6015 13 57 07 41.0 39.0 -7.1 0.0 24 927 19 36 10 19 50 40 =2101+600 14 11 39 42.3 40.7 -6.9 0.0 870 1152 19 36 11 19 51 10 J2102+6015 14 12 10 42.3 40.7 -6.9 0.0 24 1152 19 51 10 20 05 40 =2101+600 14 26 42 43.6 42.4 -6.6 0.0 870 1376 19 51 11 20 06 10 J2102+6015 14 27 12 43.6 42.5 -6.6 0.0 24 1376 20 06 10 20 20 40 =2101+600 14 41 44 45.0 44.2 -6.4 0.0 870 1600 20 06 11 20 21 10 J2102+6015 14 42 14 45.0 44.2 -6.3 0.0 24 1600 20 21 10 20 35 40 =2101+600 14 56 47 46.4 45.9 -6.1 0.0 870 1824 20 21 11 Schedule for ONSALA85 (Code O8 ) 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 --- 20 36 10 J2102+6015 14 57 17 46.5 45.9 -6.1 0.0 24 1824 20 36 10 20 50 40 =2101+600 15 11 49 47.9 47.5 -5.9 0.0 870 2048 20 36 11 20 51 10 J2102+6015 15 12 19 48.0 47.6 -5.8 0.0 24 2048 20 51 10 21 05 40 =2101+600 15 26 52 49.4 49.2 -5.6 0.0 870 2272 20 51 11 21 06 10 J2102+6015 15 27 22 49.5 49.2 -5.6 0.0 24 2272 21 06 10 21 20 40 =2101+600 15 41 54 51.0 50.8 -5.4 0.0 870 2497 21 06 11 21 21 10 J2055+6122 15 42 24 52.3 50.0 -5.2 0.0 15 2497 21 21 10 21 22 10 =2054+611 15 43 24 52.4 50.1 -5.2 0.0 60 2512 21 21 11 21 22 10 J2102+6015 15 43 24 51.1 50.9 -5.3 0.0 -15 2512 No stop 21 25 40 =2101+600 15 46 55 51.5 51.3 -5.3 0.0 195 2566 21 22 11 21 25 40 J2055+6122 15 46 55 52.8 50.5 -5.2 0.0 -15 2566 No stop 21 27 10 =2054+611 15 48 25 53.0 50.6 -5.1 0.0 75 2589 21 25 41 21 27 10 J2102+6015 15 48 25 51.7 51.5 -5.2 0.0 -15 2589 No stop 21 30 40 =2101+600 15 51 56 52.0 51.8 -5.2 0.0 195 2643 21 27 11 21 30 40 J2055+6122 15 51 56 53.3 51.0 -5.1 0.0 -15 2643 No stop 21 32 10 =2054+611 15 53 26 53.5 51.1 -5.0 0.0 75 2667 21 30 41 21 32 40 J2102+6015 15 53 56 52.2 52.0 -5.2 0.0 15 2667 21 32 40 21 47 10 =2101+600 16 08 29 53.8 53.5 -4.9 0.0 870 2891 21 32 41 21 47 40 J2102+6015 16 08 59 53.8 53.6 -4.9 0.0 24 2891 21 47 40 22 02 10 =2101+600 16 23 31 55.4 55.0 -4.7 0.0 870 3115 21 47 41 22 02 40 J2102+6015 16 24 01 55.5 55.1 -4.7 0.0 24 3115 22 02 40 22 17 10 =2101+600 16 38 34 57.1 56.5 -4.4 0.0 870 3339 22 02 41 22 17 40 J2102+6015 16 39 04 57.2 56.5 -4.4 0.0 24 3339 22 17 40 22 32 10 =2101+600 16 53 36 58.8 57.9 -4.2 0.0 870 3563 22 17 41 22 40 10 J2102+6015 17 01 37 59.7 58.6 -4.0 0.0 473 3563 22 40 10 22 47 10 =2101+600 17 08 38 60.5 59.3 -3.9 0.0 420 3671 22 40 11 22 47 40 J2102+6015 17 09 09 60.6 59.3 -3.9 0.0 24 3671 22 47 40 23 02 10 =2101+600 17 23 41 62.3 60.6 -3.7 0.0 870 3895 22 47 41 23 02 40 J2102+6015 17 24 11 62.4 60.6 -3.7 0.0 24 3895 23 02 40 23 17 10 =2101+600 17 38 43 64.1 61.8 -3.4 0.0 870 4120 23 02 41 Schedule for ONSALA85 (Code O8 ) 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 ---------------------------------------------------------------------------------------- --- Mon 14 Jun 2021 Day 165 --- 23 17 40 J2102+6015 17 39 13 64.1 61.8 -3.4 0.0 24 4120 23 17 40 23 32 10 =2101+600 17 53 46 65.9 63.0 -3.2 0.0 870 4344 23 17 41 23 32 40 J2055+6122 17 54 16 67.0 60.7 -3.0 0.0 15 4344 23 32 40 23 33 40 =2054+611 17 55 16 67.1 60.8 -3.0 0.0 60 4359 23 32 41 23 33 40 J2102+6015 17 55 16 66.1 63.1 -3.1 0.0 -15 4359 No stop 23 37 10 =2101+600 17 58 47 66.5 63.3 -3.1 0.0 195 4413 23 33 41 23 37 10 J2055+6122 17 58 47 67.5 61.0 -3.0 0.0 -15 4413 No stop 23 38 40 =2054+611 18 00 17 67.7 61.1 -2.9 0.0 75 4437 23 37 11 23 38 40 J2102+6015 18 00 17 66.7 63.4 -3.0 0.0 -15 4437 No stop 23 42 10 =2101+600 18 03 47 67.1 63.7 -3.0 0.0 195 4491 23 38 41 23 42 10 J2055+6122 18 03 47 68.1 61.2 -2.9 0.0 -15 4491 No stop 23 43 40 =2054+611 18 05 18 68.3 61.3 -2.8 0.0 75 4514 23 42 11 23 44 10 J2102+6015 18 05 48 67.3 63.8 -3.0 0.0 15 4514 23 44 10 23 58 40 =2101+600 18 20 20 69.1 64.8 -2.7 0.0 870 4738 23 44 11 --- Start: Mon 14 Jun 2021 Day 165 -- Stop: Tue 15 Jun 2021 Day 166 --- 23 59 10 J2102+6015 18 20 50 69.1 64.8 -2.7 0.0 24 4738 23 59 10 00 13 40 =2101+600 18 35 23 70.9 65.6 -2.5 0.0 870 4962 23 59 11 00 14 10 J2102+6015 18 35 53 71.0 65.6 -2.5 0.0 24 4962 00 14 10 00 28 40 =2101+600 18 50 25 72.8 66.2 -2.2 0.0 870 5186 00 14 11 00 29 10 J2102+6015 18 50 55 72.8 66.3 -2.2 0.0 24 5186 00 29 10 00 43 40 =2101+600 19 05 28 74.6 66.6 -2.0 0.0 870 5410 00 29 11 00 44 10 J2102+6015 19 05 58 74.7 66.6 -2.0 0.0 24 5410 00 44 10 00 58 40 =2101+600 19 20 30 76.5 66.7 -1.7 0.0 870 5635 00 44 11 00 59 10 J2102+6015 19 21 00 76.6 66.7 -1.7 0.0 24 5635 00 59 10 01 13 40 =2101+600 19 35 33 78.4 66.2 -1.5 0.0 870 5859 00 59 11 01 14 10 J2055+6122 19 36 03 79.1 59.9 -1.3 0.0 15 5859 01 14 10 01 15 10 =2054+611 19 37 03 79.2 59.7 -1.3 0.0 60 5874 01 14 11 01 15 10 J2102+6015 19 37 03 78.5 66.1 -1.4 0.0 -15 5874 No stop 01 18 40 =2101+600 19 40 33 79.0 65.9 -1.4 0.0 195 5928 01 15 11 Schedule for ONSALA85 (Code O8 ) Page 5 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 40 33 79.6 59.2 -1.3 0.0 -15 5928 No stop 01 20 10 =2054+611 19 42 04 79.8 58.9 -1.2 0.0 75 5951 01 18 41 01 20 10 J2102+6015 19 42 04 79.2 65.8 -1.4 0.0 -15 5951 No stop 01 23 40 =2101+600 19 45 34 79.6 65.5 -1.3 0.0 195 6006 01 20 11 01 23 40 J2055+6122 19 45 34 80.2 58.3 -1.2 0.0 -15 6006 No stop 01 25 10 =2054+611 19 47 04 80.4 58.0 -1.2 0.0 75 6029 01 23 41 01 25 40 J2102+6015 19 47 34 79.8 65.3 -1.3 0.0 15 6029 01 25 40 01 40 10 =2101+600 20 02 07 81.6 63.1 -1.0 0.0 870 6253 01 25 41 01 40 40 J2102+6015 20 02 37 81.7 63.0 -1.0 0.0 24 6253 01 40 40 01 55 10 =2101+600 20 17 09 83.4 58.9 -0.8 0.0 870 6477 01 40 41 01 55 40 J2102+6015 20 17 39 83.4 58.7 -0.8 0.0 24 6477 01 55 40 02 10 10 =2101+600 20 32 12 85.0 50.5 -0.5 0.0 870 6701 01 55 41 02 10 40 J2102+6015 20 32 42 85.1 50.1 -0.5 0.0 24 6701 02 10 40 02 16 10 =2101+600 20 38 13 85.6 45.1 -0.4 0.0 330 6786 02 10 41 02 20 00 J0319+4130 20 42 03 29.4 57.8 -6.7 0.0 -97 6786 02 20 00 02 30 00 =0316+413 20 52 05 30.5 59.5 -6.5 0.0 503 6941 02 20 01 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: 6 Station: ONSALA85 Total bit rate: 2048 Format: VDIF Bits per sample: 2 Sample rate: 64.000 Number of channels: 16 DBE type: DBBC_DDC Speedup factor: 1.00 Disk used to record data. 1st LO= 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 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 = A1 C1 A1 C1 A1 C1 A1 C1 A1 C1 A1 C1 A1 C1 A1 C1 The following frequency sets based on these setups were used. Frequency Set: 6 Setup file default. Used with PCAL = off LO sum= 4830.49 4830.49 4830.49 4830.49 4894.49 4894.49 4894.49 4894.49 4958.49 4958.49 4958.49 4958.49 5022.49 5022.49 5022.49 5022.49 BBC fr= 730.49 730.49 730.49 730.49 794.49 794.49 794.49 794.49 858.49 858.49 858.49 858.49 922.49 922.49 922.49 922.49 Bandwd= 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 Matching frequency sets: 6 14 Track assignments are: track1= 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 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