COVER INFORMATION Station: KVNUS (Code Ku ) 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 KVNUS (Code Ku ) 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 42 35 9.7 -62.0 6.6 54.7 0 0 19 00 00 19 10 00 =1404+286 20 52 37 7.9 -60.7 6.7 53.7 600 155 19 00 01 19 14 00 J2022+6136 20 56 37 63.3 -9.0 0.6 164.4 218 155 19 14 00 19 24 00 =2021+614 21 06 39 63.0 -11.5 0.7 160.0 600 309 19 14 01 19 24 40 J2055+6122 21 07 19 64.0 -3.1 0.2 174.8 34 309 19 24 40 19 25 40 =2054+611 21 08 19 64.0 -3.3 0.2 174.3 60 325 19 24 41 19 25 40 J2102+6015 21 08 19 65.2 -1.5 0.1 177.5 -4 325 No stop 19 27 40 =2101+600 21 10 19 65.2 -2.1 0.1 176.5 116 356 19 25 41 19 27 40 J2055+6122 21 10 19 64.0 -3.9 0.2 173.4 -4 356 No stop 19 28 50 =2054+611 21 11 30 64.0 -4.2 0.3 172.9 66 374 19 27 41 19 28 50 J2102+6015 21 11 30 65.2 -2.4 0.1 176.0 -4 374 No stop 19 30 50 =2101+600 21 13 30 65.2 -3.0 0.2 175.0 116 404 19 28 51 19 30 50 J2055+6122 21 13 30 64.0 -4.7 0.3 171.9 -4 404 No stop 19 32 00 =2054+611 21 14 40 63.9 -5.0 0.3 171.4 66 423 19 30 51 19 32 00 J2102+6015 21 14 40 65.1 -3.4 0.2 174.4 -3 423 No stop 19 34 00 =2101+600 21 16 40 65.1 -4.0 0.2 173.5 117 453 19 32 01 19 34 00 J2055+6122 21 16 40 63.9 -5.6 0.3 170.5 -3 453 No stop 19 35 10 =2054+611 21 17 51 63.9 -5.9 0.4 169.9 67 471 19 34 01 19 35 40 J2102+6015 21 18 21 65.1 -4.5 0.3 172.7 27 471 19 35 40 19 50 10 =2101+600 21 32 53 64.8 -8.6 0.5 165.7 870 696 19 35 41 19 50 40 J2102+6015 21 33 23 64.7 -8.8 0.5 165.5 28 696 19 50 40 20 05 10 =2101+600 21 47 56 64.2 -12.7 0.7 158.8 870 920 19 50 41 20 05 40 J2102+6015 21 48 26 64.2 -12.9 0.8 158.5 28 920 20 05 40 20 20 10 =2101+600 22 02 58 63.4 -16.6 1.0 152.0 870 1144 20 05 41 20 20 40 J2102+6015 22 03 28 63.4 -16.7 1.0 151.8 28 1144 20 20 40 20 35 10 =2101+600 22 18 01 62.5 -20.1 1.2 145.7 870 1368 20 20 41 Schedule for KVNUS (Code Ku ) 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 18 31 62.4 -20.2 1.3 145.5 28 1368 20 35 40 20 50 10 =2101+600 22 33 03 61.3 -23.2 1.5 139.6 870 1592 20 35 41 20 50 40 J2102+6015 22 33 33 61.3 -23.3 1.5 139.4 28 1592 20 50 40 21 05 10 =2101+600 22 48 05 60.0 -26.0 1.7 133.9 870 1816 20 50 41 21 13 10 J2102+6015 22 56 07 59.3 -27.3 1.9 131.1 478 1816 21 13 10 21 20 10 =2101+600 23 03 08 58.6 -28.4 2.0 128.6 420 1925 21 13 11 21 20 40 J2102+6015 23 03 38 58.6 -28.5 2.0 128.4 28 1925 21 20 40 21 35 10 =2101+600 23 18 10 57.1 -30.4 2.2 123.6 870 2149 21 20 41 21 35 40 J2102+6015 23 18 40 57.1 -30.5 2.3 123.4 28 2149 21 35 40 21 50 10 =2101+600 23 33 13 55.6 -32.2 2.5 118.9 870 2373 21 35 41 21 50 40 J2102+6015 23 33 43 55.5 -32.2 2.5 118.7 28 2373 21 50 40 22 05 10 =2101+600 23 48 15 53.9 -33.6 2.8 114.4 870 2597 21 50 41 22 05 40 J2055+6122 23 48 45 52.6 -32.6 2.9 113.6 27 2597 22 05 40 22 06 40 =2054+611 23 49 46 52.5 -32.6 2.9 113.3 60 2612 22 05 41 22 06 40 J2102+6015 23 49 46 53.7 -33.8 2.8 114.0 -3 2612 No stop 22 08 40 =2101+600 23 51 46 53.5 -33.9 2.8 113.4 117 2643 22 06 41 22 08 40 J2055+6122 23 51 46 52.3 -32.8 2.9 112.8 -3 2643 No stop 22 09 50 =2054+611 23 52 56 52.1 -32.9 2.9 112.5 67 2661 22 08 41 22 09 50 J2102+6015 23 52 56 53.4 -34.0 2.8 113.1 -3 2661 No stop 22 11 50 =2101+600 23 54 56 53.1 -34.2 2.9 112.5 117 2692 22 09 51 22 11 50 J2055+6122 23 54 56 51.9 -33.0 3.0 111.9 -3 2692 No stop 22 13 00 =2054+611 23 56 07 51.8 -33.1 3.0 111.6 67 2710 22 11 51 22 13 00 J2102+6015 23 56 07 53.0 -34.3 2.9 112.2 -3 2710 No stop 22 15 00 =2101+600 23 58 07 52.8 -34.4 2.9 111.6 117 2741 22 13 01 22 15 00 J2055+6122 23 58 07 51.6 -33.3 3.0 111.0 -3 2741 No stop 22 16 10 =2054+611 23 59 17 51.4 -33.3 3.1 110.7 67 2759 22 15 01 22 16 40 J2102+6015 23 59 47 52.6 -34.6 2.9 111.2 27 2759 22 16 40 22 31 10 =2101+600 00 14 20 50.9 -35.5 3.2 107.3 870 2983 22 16 41 22 31 40 J2102+6015 00 14 50 50.8 -35.5 3.2 107.1 28 2983 22 31 40 22 46 10 =2101+600 00 29 22 49.1 -36.3 3.4 103.4 870 3208 22 31 41 Schedule for KVNUS (Code Ku ) 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 29 52 49.0 -36.3 3.4 103.3 28 3208 22 46 40 23 01 10 =2101+600 00 44 25 47.3 -36.8 3.7 99.7 870 3432 22 46 41 23 09 10 J2102+6015 00 52 26 46.3 -37.1 3.8 97.8 478 3432 23 09 10 23 16 10 =2101+600 00 59 27 45.4 -37.2 3.9 96.2 420 3540 23 09 11 23 16 40 J2102+6015 00 59 57 45.4 -37.2 3.9 96.1 28 3540 23 16 40 23 31 10 =2101+600 01 14 29 43.6 -37.4 4.2 92.8 870 3764 23 16 41 23 31 40 J2102+6015 01 15 00 43.5 -37.4 4.2 92.7 28 3764 23 31 40 23 46 10 =2101+600 01 29 32 41.7 -37.5 4.4 89.5 870 3988 23 31 41 --- Start: Mon 7 Jun 2021 Day 158 -- Stop: Tue 8 Jun 2021 Day 159 --- 23 46 40 J2102+6015 01 30 02 41.6 -37.5 4.4 89.4 28 3988 23 46 40 00 01 10 =2101+600 01 44 34 39.8 -37.4 4.7 86.3 870 4212 23 46 41 00 01 40 J2055+6122 01 45 04 39.0 -35.9 4.8 85.6 27 4212 00 01 40 00 02 40 =2054+611 01 46 05 38.9 -35.8 4.8 85.4 60 4228 00 01 41 00 02 40 J2102+6015 01 46 05 39.7 -37.4 4.7 86.0 -3 4228 No stop 00 04 40 =2101+600 01 48 05 39.4 -37.3 4.7 85.5 117 4259 00 02 41 00 04 40 J2055+6122 01 48 05 38.6 -35.8 4.9 84.9 -3 4259 No stop 00 05 50 =2054+611 01 49 15 38.5 -35.8 4.9 84.7 67 4277 00 04 41 00 05 50 J2102+6015 01 49 15 39.3 -37.3 4.8 85.3 -3 4277 No stop 00 07 50 =2101+600 01 51 15 39.0 -37.3 4.8 84.9 117 4308 00 05 51 00 07 50 J2055+6122 01 51 15 38.3 -35.8 4.9 84.3 -3 4308 No stop 00 09 00 =2054+611 01 52 26 38.1 -35.8 4.9 84.0 67 4326 00 07 51 00 09 00 J2102+6015 01 52 26 38.9 -37.3 4.8 84.6 -3 4326 No stop 00 11 00 =2101+600 01 54 26 38.6 -37.2 4.9 84.2 117 4357 00 09 01 00 11 00 J2055+6122 01 54 26 37.9 -35.7 5.0 83.6 -3 4357 No stop 00 12 10 =2054+611 01 55 36 37.7 -35.7 5.0 83.4 67 4375 00 11 01 00 12 40 J2102+6015 01 56 06 38.4 -37.2 4.9 83.9 27 4375 00 12 40 00 27 10 =2101+600 02 10 39 36.6 -36.9 5.1 80.9 870 4599 00 12 41 00 27 40 J2102+6015 02 11 09 36.6 -36.9 5.1 80.8 28 4599 00 27 40 00 42 10 =2101+600 02 25 41 34.8 -36.5 5.4 77.9 870 4823 00 27 41 Schedule for KVNUS (Code Ku ) 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 26 11 34.7 -36.5 5.4 77.8 28 4823 00 42 40 00 57 10 =2101+600 02 40 44 33.0 -36.0 5.6 74.9 870 5047 00 42 41 01 05 10 J2102+6015 02 48 45 32.0 -35.6 5.8 73.3 478 5047 01 05 10 01 12 10 =2101+600 02 55 46 31.2 -35.3 5.9 72.0 420 5155 01 05 11 01 12 40 J2102+6015 02 56 16 31.2 -35.3 5.9 71.9 28 5155 01 12 40 01 27 10 =2101+600 03 10 49 29.5 -34.6 6.1 69.1 870 5379 01 12 41 01 27 40 J2102+6015 03 11 19 29.4 -34.6 6.1 69.0 28 5379 01 27 40 01 42 10 =2101+600 03 25 51 27.7 -33.8 6.4 66.2 870 5604 01 27 41 01 42 40 J2055+6122 03 26 21 27.4 -32.2 6.5 65.2 27 5604 01 42 40 01 43 40 =2054+611 03 27 21 27.2 -32.2 6.5 65.1 60 5619 01 42 41 01 43 40 J2102+6015 03 27 21 27.6 -33.7 6.4 65.9 -3 5619 No stop 01 45 40 =2101+600 03 29 22 27.3 -33.6 6.4 65.5 117 5650 01 43 41 01 45 40 J2055+6122 03 29 22 27.0 -32.1 6.6 64.7 -3 5650 No stop 01 46 50 =2054+611 03 30 32 26.9 -32.0 6.6 64.4 67 5668 01 45 41 01 46 50 J2102+6015 03 30 32 27.2 -33.5 6.5 65.3 -3 5668 No stop 01 48 50 =2101+600 03 32 32 27.0 -33.4 6.5 64.9 117 5699 01 46 51 01 48 50 J2055+6122 03 32 32 26.7 -31.9 6.6 64.1 -3 5699 No stop 01 50 00 =2054+611 03 33 42 26.6 -31.8 6.6 63.8 67 5717 01 48 51 01 50 00 J2102+6015 03 33 42 26.9 -33.4 6.5 64.7 -3 5717 No stop 01 52 00 =2101+600 03 35 43 26.6 -33.2 6.5 64.3 117 5748 01 50 01 01 52 00 J2055+6122 03 35 43 26.3 -31.7 6.7 63.4 -3 5748 No stop 01 53 10 =2054+611 03 36 53 26.2 -31.6 6.7 63.2 67 5766 01 52 01 01 53 40 J2102+6015 03 37 23 26.4 -33.1 6.6 64.0 27 5766 01 53 40 02 08 10 =2101+600 03 51 55 24.8 -32.2 6.8 61.2 870 5990 01 53 41 02 08 40 J2102+6015 03 52 25 24.8 -32.2 6.8 61.1 28 5990 02 08 40 02 23 10 =2101+600 04 06 58 23.2 -31.2 7.1 58.4 870 6214 02 08 41 02 23 40 J2102+6015 04 07 28 23.2 -31.2 7.1 58.3 28 6214 02 23 40 02 38 10 =2101+600 04 22 00 21.7 -30.1 7.3 55.5 870 6438 02 23 41 02 38 40 J2102+6015 04 22 30 21.6 -30.1 7.3 55.4 28 6438 02 38 40 02 46 10 =2101+600 04 30 01 20.9 -29.5 7.4 54.0 450 6554 02 38 41 Schedule for KVNUS (Code Ku ) 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 33 52 74.6 -61.5 1.2 107.1 209 6554 02 50 00 03 00 00 =0316+413 04 43 54 72.8 -63.2 1.4 103.8 600 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: 16 Station: KVNUS 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