COVER INFORMATION Station: KVNTN (Code Kt ) 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 KVNTN (Code Kt ) 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 22203.49 22203.49 22267.49 22267.49 22331.49 22331.49 22139.49 22139.49 22203.49 22203.49 22267.49 22267.49 22331.49 22331.49 Next BBC frequencies: 9060.51 9060.51 8996.51 8996.51 8932.51 8932.51 8868.51 8868.51 9060.51 9060.51 8996.51 8996.51 8932.51 8932.51 8868.51 8868.51 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 20 31 25 10.7 -63.0 6.4 57.8 0 0 19 00 00 19 10 00 =1404+286 20 41 27 8.8 -61.8 6.6 56.8 600 155 19 00 01 19 14 00 J2022+6136 20 45 28 61.4 -5.7 0.4 170.0 218 155 19 14 00 19 24 00 =2021+614 20 55 29 61.1 -8.1 0.5 165.6 600 309 19 14 01 19 24 40 J2055+6122 20 56 09 61.8 -0.0 0.0 180.0 34 309 19 24 40 19 25 40 =2054+611 20 57 09 61.8 -0.3 0.0 179.5 60 325 19 24 41 19 25 40 J2102+6015 20 57 09 62.9 1.6 -0.1 -177.2 -4 325 No stop 19 27 40 =2101+600 20 59 10 62.9 1.1 -0.1 -178.1 116 356 19 25 41 19 27 40 J2055+6122 20 59 10 61.8 -0.8 0.1 178.7 -4 356 No stop 19 28 50 =2054+611 21 00 20 61.8 -1.1 0.1 178.1 66 374 19 27 41 19 28 50 J2102+6015 21 00 20 63.0 0.8 -0.0 -178.7 -4 374 No stop 19 30 50 =2101+600 21 02 20 63.0 0.2 -0.0 -179.6 116 404 19 28 51 19 30 50 J2055+6122 21 02 20 61.8 -1.6 0.1 177.3 -4 404 No stop 19 32 00 =2054+611 21 03 31 61.8 -1.9 0.1 176.7 66 423 19 30 51 19 32 00 J2102+6015 21 03 31 63.0 -0.1 0.0 179.9 -4 423 No stop 19 34 00 =2101+600 21 05 31 63.0 -0.6 0.0 178.9 116 453 19 32 01 19 34 00 J2055+6122 21 05 31 61.8 -2.4 0.2 175.8 -4 453 No stop 19 35 10 =2054+611 21 06 41 61.8 -2.7 0.2 175.3 66 471 19 34 01 19 35 40 J2102+6015 21 07 11 62.9 -1.1 0.1 178.2 26 471 19 35 40 19 50 10 =2101+600 21 21 44 62.8 -5.0 0.3 171.5 870 696 19 35 41 19 50 40 J2102+6015 21 22 14 62.8 -5.1 0.3 171.3 28 696 19 50 40 20 05 10 =2101+600 21 36 46 62.4 -9.0 0.6 164.7 870 920 19 50 41 20 05 40 J2102+6015 21 37 16 62.4 -9.1 0.6 164.5 28 920 20 05 40 20 20 10 =2101+600 21 51 48 61.8 -12.7 0.8 158.1 870 1144 20 05 41 20 20 40 J2102+6015 21 52 19 61.8 -12.9 0.8 157.9 28 1144 20 20 40 20 35 10 =2101+600 22 06 51 61.0 -16.3 1.1 151.8 870 1368 20 20 41 Schedule for KVNTN (Code Kt ) 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 22 07 21 61.0 -16.4 1.1 151.6 28 1368 20 35 40 20 50 10 =2101+600 22 21 53 60.1 -19.5 1.3 145.7 870 1592 20 35 41 20 50 40 J2102+6015 22 22 23 60.0 -19.6 1.3 145.5 28 1592 20 50 40 21 05 10 =2101+600 22 36 56 58.9 -22.4 1.6 139.9 870 1816 20 50 41 21 13 10 J2102+6015 22 44 57 58.3 -23.8 1.7 136.9 478 1816 21 13 10 21 20 10 =2101+600 22 51 58 57.7 -25.0 1.8 134.4 420 1925 21 13 11 21 20 40 J2102+6015 22 52 28 57.6 -25.1 1.8 134.2 28 1925 21 20 40 21 35 10 =2101+600 23 07 01 56.3 -27.3 2.1 129.2 870 2149 21 20 41 21 35 40 J2102+6015 23 07 31 56.2 -27.4 2.1 129.1 28 2149 21 35 40 21 50 10 =2101+600 23 22 03 54.8 -29.3 2.3 124.4 870 2373 21 35 41 21 50 40 J2102+6015 23 22 33 54.7 -29.3 2.3 124.2 28 2373 21 50 40 22 05 10 =2101+600 23 37 06 53.2 -30.9 2.6 119.7 870 2597 21 50 41 22 05 40 J2055+6122 23 37 36 51.9 -30.1 2.7 118.8 27 2597 22 05 40 22 06 40 =2054+611 23 38 36 51.8 -30.2 2.7 118.5 60 2612 22 05 41 22 06 40 J2102+6015 23 38 36 53.0 -31.1 2.6 119.3 -3 2612 No stop 22 08 40 =2101+600 23 40 36 52.8 -31.3 2.6 118.7 117 2643 22 06 41 22 08 40 J2055+6122 23 40 36 51.5 -30.4 2.7 117.9 -3 2643 No stop 22 09 50 =2054+611 23 41 46 51.4 -30.5 2.8 117.5 67 2661 22 08 41 22 09 50 J2102+6015 23 41 46 52.7 -31.4 2.6 118.3 -3 2661 No stop 22 11 50 =2101+600 23 43 47 52.5 -31.6 2.7 117.7 117 2692 22 09 51 22 11 50 J2055+6122 23 43 47 51.2 -30.6 2.8 117.0 -3 2692 No stop 22 13 00 =2054+611 23 44 57 51.1 -30.7 2.8 116.6 67 2710 22 11 51 22 13 00 J2102+6015 23 44 57 52.4 -31.7 2.7 117.4 -3 2710 No stop 22 15 00 =2101+600 23 46 57 52.1 -31.9 2.7 116.8 117 2741 22 13 01 22 15 00 J2055+6122 23 46 57 50.9 -30.9 2.8 116.1 -3 2741 No stop 22 16 10 =2054+611 23 48 07 50.7 -31.0 2.9 115.7 67 2759 22 15 01 22 16 40 J2102+6015 23 48 38 52.0 -32.0 2.8 116.3 27 2759 22 16 40 22 31 10 =2101+600 00 03 10 50.3 -33.2 3.0 112.3 870 2983 22 16 41 22 31 40 J2102+6015 00 03 40 50.3 -33.3 3.0 112.1 28 2983 22 31 40 22 46 10 =2101+600 00 18 12 48.6 -34.2 3.3 108.2 870 3208 22 31 41 Schedule for KVNTN (Code Kt ) 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 00 18 43 48.5 -34.2 3.3 108.1 28 3208 22 46 40 23 01 10 =2101+600 00 33 15 46.8 -35.0 3.5 104.4 870 3432 22 46 41 23 09 10 J2102+6015 00 41 16 45.8 -35.3 3.6 102.4 478 3432 23 09 10 23 16 10 =2101+600 00 48 17 45.0 -35.6 3.8 100.7 420 3540 23 09 11 23 16 40 J2102+6015 00 48 47 44.9 -35.6 3.8 100.6 28 3540 23 16 40 23 31 10 =2101+600 01 03 20 43.1 -36.0 4.0 97.2 870 3764 23 16 41 23 31 40 J2102+6015 01 03 50 43.1 -36.0 4.0 97.1 28 3764 23 31 40 23 46 10 =2101+600 01 18 22 41.3 -36.2 4.3 93.7 870 3988 23 31 41 --- Start: Mon 7 Jun 2021 Day 158 -- Stop: Tue 8 Jun 2021 Day 159 --- 23 46 40 J2102+6015 01 18 52 41.2 -36.2 4.3 93.6 28 3988 23 46 40 00 01 10 =2101+600 01 33 25 39.4 -36.3 4.5 90.4 870 4212 23 46 41 00 01 40 J2055+6122 01 33 55 38.5 -34.9 4.6 89.7 27 4212 00 01 40 00 02 40 =2054+611 01 34 55 38.4 -34.9 4.6 89.4 60 4228 00 01 41 00 02 40 J2102+6015 01 34 55 39.2 -36.3 4.5 90.1 -3 4228 No stop 00 04 40 =2101+600 01 36 55 39.0 -36.3 4.6 89.7 117 4259 00 02 41 00 04 40 J2055+6122 01 36 55 38.1 -34.9 4.7 89.0 -3 4259 No stop 00 05 50 =2054+611 01 38 06 38.0 -34.9 4.7 88.8 67 4277 00 04 41 00 05 50 J2102+6015 01 38 06 38.8 -36.3 4.6 89.4 -3 4277 No stop 00 07 50 =2101+600 01 40 06 38.6 -36.3 4.6 89.0 117 4308 00 05 51 00 07 50 J2055+6122 01 40 06 37.8 -34.9 4.7 88.3 -3 4308 No stop 00 09 00 =2054+611 01 41 16 37.6 -34.9 4.8 88.1 67 4326 00 07 51 00 09 00 J2102+6015 01 41 16 38.4 -36.3 4.6 88.7 -3 4326 No stop 00 11 00 =2101+600 01 43 16 38.2 -36.3 4.7 88.3 117 4357 00 09 01 00 11 00 J2055+6122 01 43 16 37.4 -34.8 4.8 87.6 -3 4357 No stop 00 12 10 =2054+611 01 44 27 37.2 -34.8 4.8 87.4 67 4375 00 11 01 00 12 40 J2102+6015 01 44 57 38.0 -36.3 4.7 87.9 27 4375 00 12 40 00 27 10 =2101+600 01 59 29 36.2 -36.1 4.9 84.9 870 4599 00 12 41 00 27 40 J2102+6015 01 59 59 36.1 -36.1 4.9 84.8 28 4599 00 27 40 00 42 10 =2101+600 02 14 31 34.3 -35.9 5.2 81.7 870 4823 00 27 41 Schedule for KVNTN (Code Kt ) 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 02 15 02 34.3 -35.9 5.2 81.6 28 4823 00 42 40 00 57 10 =2101+600 02 29 34 32.5 -35.5 5.4 78.7 870 5047 00 42 41 01 05 10 J2102+6015 02 37 35 31.5 -35.2 5.6 77.1 478 5047 01 05 10 01 12 10 =2101+600 02 44 36 30.7 -35.0 5.7 75.7 420 5155 01 05 11 01 12 40 J2102+6015 02 45 06 30.6 -35.0 5.7 75.6 28 5155 01 12 40 01 27 10 =2101+600 02 59 39 28.9 -34.4 5.9 72.7 870 5379 01 12 41 01 27 40 J2102+6015 03 00 09 28.8 -34.4 5.9 72.6 28 5379 01 27 40 01 42 10 =2101+600 03 14 41 27.1 -33.7 6.2 69.7 870 5604 01 27 41 01 42 40 J2055+6122 03 15 11 26.7 -32.2 6.3 68.8 27 5604 01 42 40 01 43 40 =2054+611 03 16 12 26.6 -32.2 6.3 68.6 60 5619 01 42 41 01 43 40 J2102+6015 03 16 12 27.0 -33.7 6.2 69.5 -3 5619 No stop 01 45 40 =2101+600 03 18 12 26.7 -33.6 6.3 69.1 117 5650 01 43 41 01 45 40 J2055+6122 03 18 12 26.3 -32.1 6.4 68.2 -3 5650 No stop 01 46 50 =2054+611 03 19 22 26.2 -32.0 6.4 68.0 67 5668 01 45 41 01 46 50 J2102+6015 03 19 22 26.6 -33.5 6.3 68.8 -3 5668 No stop 01 48 50 =2101+600 03 21 22 26.4 -33.4 6.3 68.4 117 5699 01 46 51 01 48 50 J2055+6122 03 21 22 26.0 -31.9 6.4 67.6 -3 5699 No stop 01 50 00 =2054+611 03 22 33 25.9 -31.8 6.4 67.3 67 5717 01 48 51 01 50 00 J2102+6015 03 22 33 26.2 -33.4 6.3 68.2 -3 5717 No stop 01 52 00 =2101+600 03 24 33 26.0 -33.3 6.4 67.8 117 5748 01 50 01 01 52 00 J2055+6122 03 24 33 25.6 -31.7 6.5 66.9 -3 5748 No stop 01 53 10 =2054+611 03 25 43 25.5 -31.7 6.5 66.7 67 5766 01 52 01 01 53 40 J2102+6015 03 26 13 25.8 -33.2 6.4 67.5 27 5766 01 53 40 02 08 10 =2101+600 03 40 46 24.2 -32.4 6.6 64.7 870 5990 01 53 41 02 08 40 J2102+6015 03 41 16 24.1 -32.3 6.6 64.6 28 5990 02 08 40 02 23 10 =2101+600 03 55 48 22.5 -31.4 6.9 61.8 870 6214 02 08 41 02 23 40 J2102+6015 03 56 18 22.5 -31.4 6.9 61.7 28 6214 02 23 40 02 38 10 =2101+600 04 10 51 20.9 -30.5 7.1 58.9 870 6438 02 23 41 02 38 40 J2102+6015 04 11 21 20.8 -30.4 7.1 58.8 28 6438 02 38 40 02 46 10 =2101+600 04 18 52 20.0 -29.9 7.3 57.3 450 6554 02 38 41 Schedule for KVNTN (Code Kt ) 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 04 22 42 75.3 -51.3 1.0 119.3 208 6554 02 50 00 03 00 00 =0316+413 04 32 44 73.6 -54.5 1.2 114.6 600 6709 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 --- 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: 17 Station: KVNTN Total bit rate: 2048 Format: VDIF 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= 31200.00 31200.00 31200.00 31200.00 31200.00 31200.00 31200.00 31200.00 31200.00 31200.00 31200.00 31200.00 31200.00 31200.00 31200.00 31200.00 Net SB= L U L U L U L U L U L U L U L U IF SB = L L L L L L L L L L L L L L L L Pol. = LCP LCP LCP LCP LCP LCP LCP LCP RCP RCP RCP RCP RCP RCP RCP RCP BBC = 1 1 1 1 1 1 1 1 3 3 3 3 3 3 3 3 BBC SB= U L U L U L U L U L U L U L U L IF = A A A A A A A A B B B B B B B B The following frequency sets based on these setups were used. Frequency Set: 15 Setup file default. Used with PCAL = off LO sum= 22139.49 22139.49 22203.49 22203.49 22267.49 22267.49 22331.49 22331.49 22139.49 22139.49 22203.49 22203.49 22267.49 22267.49 22331.49 22331.49 BBC fr= 9060.51 9060.51 8996.51 8996.51 8932.51 8932.51 8868.51 8868.51 9060.51 9060.51 8996.51 8996.51 8932.51 8932.51 8868.51 8868.51 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: 15 16 17 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 10.520450 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