COVER INFORMATION Station: ZELENCHK (Code Zc ) Experiment: J2102+6015: a powerful high-redshift quasar Exp. Code: EF029A 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: 1.3 cm 2 Gb/s Notes: Schedule for ZELENCHK (Code Zc ) 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 7 Jun 2021 Day 158 --- Next scan frequencies: 22139.49 22139.49 22139.49 22139.49 22203.49 22203.49 22203.49 22203.49 22267.49 22267.49 22267.49 22267.49 22331.49 22331.49 22331.49 22331.49 Next BBC frequencies: 219.49 219.49 219.49 219.49 283.49 283.49 283.49 283.49 347.49 347.49 347.49 347.49 411.49 411.49 411.49 411.49 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 19 00 00 J1407+2827 14 51 51 72.2 573.3 0.7 26.8 0 0 19 00 00 19 10 00 =1404+286 15 01 52 71.2 579.4 0.9 31.4 600 154 19 00 01 19 14 00 J2022+6136 15 05 53 42.3 759.1 -5.3 -73.6 35 154 19 14 00 19 24 00 =2021+614 15 15 55 43.5 759.5 -5.1 -75.5 600 308 19 14 01 19 24 40 J2055+6122 15 16 35 39.7 758.2 -5.7 -69.1 17 308 19 24 40 19 25 40 =2054+611 15 17 35 39.8 758.3 -5.6 -69.3 60 323 19 24 41 19 25 40 J2102+6015 15 17 35 38.6 759.2 -5.8 -67.2 -15 323 No stop 19 27 40 =2101+600 15 19 35 38.8 759.3 -5.7 -67.5 105 354 19 25 41 19 27 40 J2055+6122 15 19 35 40.0 758.4 -5.6 -69.7 -15 354 No stop 19 28 50 =2054+611 15 20 45 40.2 758.4 -5.6 -69.9 55 372 19 27 41 19 28 50 J2102+6015 15 20 45 38.9 759.4 -5.7 -67.7 -15 372 No stop 19 30 50 =2101+600 15 22 46 39.2 759.5 -5.7 -68.1 105 403 19 28 51 19 30 50 J2055+6122 15 22 46 40.4 758.6 -5.6 -70.3 -15 403 No stop 19 32 00 =2054+611 15 23 56 40.5 758.6 -5.5 -70.5 55 421 19 30 51 19 32 00 J2102+6015 15 23 56 39.3 759.6 -5.7 -68.3 -15 421 No stop 19 34 00 =2101+600 15 25 56 39.5 759.7 -5.6 -68.7 105 451 19 32 01 19 34 00 J2055+6122 15 25 56 40.7 758.7 -5.5 -70.9 -15 451 No stop 19 35 10 =2054+611 15 27 06 40.9 758.8 -5.5 -71.1 55 469 19 34 01 19 35 40 J2102+6015 15 27 36 39.7 759.8 -5.6 -69.0 15 469 19 35 40 19 50 10 =2101+600 15 42 09 41.4 760.6 -5.4 -71.6 870 692 19 35 41 19 50 40 J2102+6015 15 42 39 41.5 760.6 -5.3 -71.7 24 692 19 50 40 20 05 10 =2101+600 15 57 11 43.2 761.3 -5.1 -74.4 870 915 19 50 41 20 05 40 J2102+6015 15 57 41 43.3 761.4 -5.1 -74.5 24 915 20 05 40 20 20 10 =2101+600 16 12 14 45.0 762.0 -4.8 -77.2 870 1138 20 05 41 20 20 40 J2102+6015 16 12 44 45.1 762.0 -4.8 -77.3 24 1138 20 20 40 20 35 10 =2101+600 16 27 16 46.8 762.5 -4.6 -80.1 870 1362 20 20 41 Schedule for ZELENCHK (Code Zc ) 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 7 Jun 2021 Day 158 --- 20 35 40 J2102+6015 16 27 46 46.9 762.5 -4.6 -80.2 24 1362 20 35 40 20 50 10 =2101+600 16 42 19 48.7 762.9 -4.3 -83.1 870 1585 20 35 41 20 50 40 J2102+6015 16 42 49 48.7 762.9 -4.3 -83.2 24 1585 20 50 40 21 05 10 =2101+600 16 57 21 50.5 763.2 -4.1 -86.1 870 1808 20 50 41 21 13 10 J2102+6015 17 05 22 51.5 763.2 -4.0 -87.8 474 1808 21 13 10 21 20 10 =2101+600 17 12 24 52.4 763.3 -3.8 -89.3 420 1915 21 13 11 21 20 40 J2102+6015 17 12 54 52.5 763.3 -3.8 -89.4 24 1915 21 20 40 21 35 10 =2101+600 17 27 26 54.3 763.2 -3.6 -92.6 870 2138 21 20 41 21 35 40 J2102+6015 17 27 56 54.3 763.2 -3.6 -92.7 24 2138 21 35 40 21 50 10 =2101+600 17 42 29 56.1 763.0 -3.3 -96.1 870 2362 21 35 41 21 50 40 J2102+6015 17 42 59 56.2 763.0 -3.3 -96.2 24 2362 21 50 40 22 05 10 =2101+600 17 57 31 58.0 762.5 -3.1 -99.8 870 2585 21 50 41 22 05 40 J2055+6122 17 58 01 58.6 760.1 -3.0 -103.5 11 2585 22 05 40 22 06 40 =2054+611 17 59 01 58.7 760.0 -3.0 -103.7 60 2600 22 05 41 22 06 40 J2102+6015 17 59 01 58.1 762.5 -3.1 -100.1 -19 2600 No stop 22 08 40 =2101+600 18 01 02 58.4 762.4 -3.0 -100.6 101 2631 22 06 41 22 08 40 J2055+6122 18 01 02 59.0 759.9 -2.9 -104.3 -19 2631 No stop 22 09 50 =2054+611 18 02 12 59.1 759.9 -2.9 -104.6 51 2649 22 08 41 22 09 50 J2102+6015 18 02 12 58.5 762.3 -3.0 -100.9 -19 2649 No stop 22 11 50 =2101+600 18 04 12 58.8 762.2 -3.0 -101.5 101 2679 22 09 51 22 11 50 J2055+6122 18 04 12 59.3 759.7 -2.9 -105.1 -19 2679 No stop 22 13 00 =2054+611 18 05 22 59.5 759.7 -2.8 -105.5 51 2697 22 11 51 22 13 00 J2102+6015 18 05 22 58.9 762.2 -3.0 -101.8 -19 2697 No stop 22 15 00 =2101+600 18 07 23 59.1 762.1 -2.9 -102.3 101 2728 22 13 01 22 15 00 J2055+6122 18 07 23 59.7 759.5 -2.8 -106.0 -19 2728 No stop 22 16 10 =2054+611 18 08 33 59.8 759.5 -2.8 -106.3 51 2746 22 15 01 22 16 40 J2102+6015 18 09 03 59.4 762.0 -2.9 -102.7 11 2746 22 16 40 22 31 10 =2101+600 18 23 35 61.1 761.1 -2.7 -106.7 870 2969 22 16 41 22 31 40 J2102+6015 18 24 05 61.2 761.0 -2.7 -106.8 24 2969 22 31 40 22 46 10 =2101+600 18 38 38 62.9 759.8 -2.4 -111.1 870 3192 22 31 41 Schedule for ZELENCHK (Code Zc ) 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 7 Jun 2021 Day 158 --- 22 46 40 J2102+6015 18 39 08 62.9 759.7 -2.4 -111.2 24 3192 22 46 40 23 01 10 =2101+600 18 53 40 64.6 758.1 -2.2 -115.8 870 3415 22 46 41 23 09 10 J2102+6015 19 01 42 65.4 757.0 -2.0 -118.6 474 3415 23 09 10 23 16 10 =2101+600 19 08 43 66.2 756.0 -1.9 -121.0 420 3523 23 09 11 23 16 40 J2102+6015 19 09 13 66.2 755.9 -1.9 -121.2 24 3523 23 16 40 23 31 10 =2101+600 19 23 45 67.7 753.3 -1.7 -126.7 870 3746 23 16 41 23 31 40 J2102+6015 19 24 15 67.8 753.2 -1.6 -126.9 24 3746 23 31 40 23 46 10 =2101+600 19 38 48 69.2 750.1 -1.4 -133.0 870 3969 23 31 41 --- Start: Mon 7 Jun 2021 Day 158 -- Stop: Tue 8 Jun 2021 Day 159 --- 23 46 40 J2102+6015 19 39 18 69.2 750.0 -1.4 -133.3 24 3969 23 46 40 00 01 10 =2101+600 19 53 50 70.5 746.2 -1.2 -140.0 870 4192 23 46 41 00 01 40 J2055+6122 19 54 20 70.1 742.0 -1.0 -145.6 7 4192 00 01 40 00 02 40 =2054+611 19 55 20 70.2 741.7 -1.0 -146.1 60 4208 00 01 41 00 02 40 J2102+6015 19 55 20 70.6 745.7 -1.1 -140.7 -23 4208 No stop 00 04 40 =2101+600 19 57 21 70.7 745.1 -1.1 -141.7 97 4238 00 02 41 00 04 40 J2055+6122 19 57 21 70.3 741.1 -1.0 -147.0 -23 4238 No stop 00 05 50 =2054+611 19 58 31 70.4 740.8 -1.0 -147.6 47 4256 00 04 41 00 05 50 J2102+6015 19 58 31 70.8 744.8 -1.1 -142.3 -23 4256 No stop 00 07 50 =2101+600 20 00 31 71.0 744.2 -1.0 -143.3 97 4287 00 05 51 00 07 50 J2055+6122 20 00 31 70.5 740.2 -0.9 -148.6 -23 4287 No stop 00 09 00 =2054+611 20 01 41 70.6 739.8 -0.9 -149.2 47 4305 00 07 51 00 09 00 J2102+6015 20 01 41 71.1 743.8 -1.0 -143.9 -23 4305 No stop 00 11 00 =2101+600 20 03 42 71.2 743.2 -1.0 -144.9 97 4336 00 09 01 00 11 00 J2055+6122 20 03 42 70.7 739.2 -0.9 -150.3 -23 4336 No stop 00 12 10 =2054+611 20 04 52 70.8 738.8 -0.9 -150.9 47 4354 00 11 01 00 12 40 J2102+6015 20 05 22 71.3 742.7 -1.0 -145.8 7 4354 00 12 40 00 27 10 =2101+600 20 19 54 72.2 737.7 -0.7 -153.6 870 4577 00 12 41 00 27 40 J2102+6015 20 20 24 72.2 737.5 -0.7 -153.9 24 4577 00 27 40 00 42 10 =2101+600 20 34 57 72.9 732.0 -0.5 -162.4 870 4800 00 27 41 Schedule for ZELENCHK (Code Zc ) 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 8 Jun 2021 Day 159 --- 00 42 40 J2102+6015 20 35 27 72.9 731.8 -0.5 -162.7 24 4800 00 42 40 00 57 10 =2101+600 20 49 59 73.3 725.7 -0.2 -171.7 870 5023 00 42 41 01 05 10 J2102+6015 20 58 01 73.4 722.3 -0.1 -176.7 472 5023 01 05 10 01 12 10 =2101+600 21 05 02 73.5 719.2 0.0 178.8 420 5131 01 05 11 01 12 40 J2102+6015 21 05 32 73.5 719.0 0.0 178.5 23 5131 01 12 40 01 27 10 =2101+600 21 20 04 73.3 712.7 0.3 169.4 870 5354 01 12 41 01 27 40 J2102+6015 21 20 34 73.3 712.5 0.3 169.1 23 5354 01 27 40 01 42 10 =2101+600 21 35 07 72.8 706.6 0.5 160.2 870 5577 01 27 41 01 42 40 J2055+6122 21 35 37 71.4 705.1 0.7 157.2 15 5577 01 42 40 01 43 40 =2054+611 21 36 37 71.4 704.8 0.7 156.6 60 5592 01 42 41 01 43 40 J2102+6015 21 36 37 72.7 706.0 0.6 159.3 -15 5592 No stop 01 45 40 =2101+600 21 38 37 72.6 705.2 0.6 158.2 105 5623 01 43 41 01 45 40 J2055+6122 21 38 37 71.3 704.1 0.7 155.5 -15 5623 No stop 01 46 50 =2054+611 21 39 47 71.2 703.7 0.7 154.9 55 5641 01 45 41 01 46 50 J2102+6015 21 39 47 72.6 704.8 0.6 157.5 -15 5641 No stop 01 48 50 =2101+600 21 41 48 72.5 704.0 0.6 156.3 105 5672 01 46 51 01 48 50 J2055+6122 21 41 48 71.1 703.0 0.8 153.8 -16 5672 No stop 01 50 00 =2054+611 21 42 58 71.0 702.6 0.8 153.2 54 5690 01 48 51 01 50 00 J2102+6015 21 42 58 72.4 703.6 0.7 155.6 -15 5690 No stop 01 52 00 =2101+600 21 44 58 72.3 702.8 0.7 154.5 105 5720 01 50 01 01 52 00 J2055+6122 21 44 58 70.9 702.0 0.8 152.1 -16 5720 No stop 01 53 10 =2054+611 21 46 08 70.9 701.6 0.8 151.5 54 5738 01 52 01 01 53 40 J2102+6015 21 46 39 72.2 702.2 0.7 153.6 15 5738 01 53 40 02 08 10 =2101+600 22 01 11 71.3 697.3 1.0 145.7 870 5962 01 53 41 02 08 40 J2102+6015 22 01 41 71.3 697.1 1.0 145.4 24 5962 02 08 40 02 23 10 =2101+600 22 16 13 70.2 692.8 1.2 138.2 870 6185 02 08 41 02 23 40 J2102+6015 22 16 43 70.1 692.7 1.2 138.0 24 6185 02 23 40 02 38 10 =2101+600 22 31 16 68.8 689.1 1.5 131.4 870 6408 02 23 41 02 38 40 J2102+6015 22 31 46 68.8 689.0 1.5 131.2 24 6408 02 38 40 02 46 10 =2101+600 22 39 17 68.1 687.3 1.6 128.1 450 6523 02 38 41 Schedule for ZELENCHK (Code Zc ) Page 6 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 8 Jun 2021 Day 159 --- 02 50 00 J0319+4130 22 43 08 40.4 787.0 -4.6 -62.6 106 6523 02 50 00 03 00 00 =0316+413 22 53 09 42.1 788.1 -4.5 -63.6 600 6677 02 50 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess221.K2048 Matching groups in /home/guest/rmc/SCHED/sched11.6/catalogs/freq_RDBE.dat: kvzr_k Added by Des Small, 24 February 2012 Setup group: 2 Station: ZELENCHK Total bit rate: 2048 Format: MARK5B Bits per sample: 2 Sample rate: 64.000 Number of channels: 16 DBE type: Speedup factor: 1.00 Disk used to record data. 1st LO= 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 21920.00 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: 10 Setup file default. Used with PCAL = off LO sum= 22139.49 22139.49 22139.49 22139.49 22203.49 22203.49 22203.49 22203.49 22267.49 22267.49 22267.49 22267.49 22331.49 22331.49 22331.49 22331.49 BBC fr= 219.49 219.49 219.49 219.49 283.49 283.49 283.49 283.49 347.49 347.49 347.49 347.49 411.49 411.49 411.49 411.49 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: 10 11 12 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) 0316+413 03 16 29.567283 * 03 19 48.160114 03 21 10.520450 0.14 * J0319+4130 41 19 51.91856 * 41 30 42.10568 41 35 07.67561 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 58.362716 0.11 * J1407+2827 28 41 29.23512 * 28 27 14.69015 28 21 19.43511 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 30.772816 0.21 * J2022+6136 61 27 18.15582 * 61 36 58.80483 61 40 48.68114 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 07.827933 0.36 * J2055+6122 61 10 27.48076 * 61 22 00.63796 61 26 36.76506 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 11.821236 0.89 * J2102+6015 60 03 15.00381 * 60 15 09.83639 60 19 55.07003 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.K2048 1 2 3 4 5 6 7 8 10 13 15 0.167 19.914 J1407+2827 sess221.K2048 1 2 3 4 5 6 7 8 9 10 13 15 0.167 22.667 J2022+6136 sess221.K2048 1 2 3 4 5 6 7 8 9 10 13 15 0.167 20.433 J2055+6122 sess221.K2048 1 2 3 4 5 6 7 8 9 10 13 15 0.300 31.367 J2102+6015 sess221.K2048 1 2 3 4 5 6 7 8 9 10 13 15 6.433 813.038 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 28.7 J1407+2827 113.3 J2022+6136 86.8 J2055+6122 83.9 J2102+6015 83.9 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