COVER INFORMATION Station: MEDICINA (Code Mc ) 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 MEDICINA (Code Mc ) 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: 230.49 230.49 230.49 230.49 294.49 294.49 294.49 294.49 358.49 358.49 358.49 358.49 422.49 422.49 422.49 422.49 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 49 41 67.6 489.5 -1.3 -38.7 0 0 18 30 00 18 40 00 =1404+286 12 59 43 68.9 494.2 -1.1 -35.5 600 155 18 30 01 18 44 00 J2022+6136 13 03 43 30.2 391.1 -7.3 -51.0 98 155 18 44 00 18 54 00 =2021+614 13 13 45 31.1 392.0 -7.1 -52.7 600 309 18 44 01 18 54 40 J2055+6122 13 14 25 28.0 389.3 -7.7 -46.8 29 309 18 54 40 18 55 40 =2054+611 13 15 25 28.1 389.4 -7.7 -47.0 60 325 18 54 41 18 55 40 J2102+6015 13 15 25 26.7 389.6 -7.8 -45.4 -7 325 No stop 18 59 10 =2101+600 13 18 56 27.0 389.9 -7.7 -46.0 203 379 18 55 41 18 59 10 J2055+6122 13 18 56 28.4 389.7 -7.6 -47.6 -7 379 No stop 19 00 40 =2054+611 13 20 26 28.5 389.8 -7.6 -47.9 83 402 18 59 11 19 00 40 J2102+6015 13 20 26 27.1 390.1 -7.7 -46.2 -7 402 No stop 19 04 10 =2101+600 13 23 57 27.5 390.4 -7.7 -46.8 203 456 19 00 41 19 04 10 J2055+6122 13 23 57 28.8 390.1 -7.5 -48.5 -7 456 No stop 19 05 40 =2054+611 13 25 27 29.0 390.3 -7.5 -48.8 83 479 19 04 11 19 06 10 J2102+6015 13 25 57 27.6 390.6 -7.6 -47.2 23 479 19 06 10 19 20 40 =2101+600 13 40 30 29.0 392.0 -7.4 -49.7 870 703 19 06 11 19 21 10 J2102+6015 13 41 00 29.0 392.0 -7.4 -49.8 27 703 19 21 10 19 35 40 =2101+600 13 55 32 30.4 393.3 -7.1 -52.3 870 927 19 21 11 19 36 10 J2102+6015 13 56 02 30.5 393.4 -7.1 -52.4 27 927 19 36 10 19 50 40 =2101+600 14 10 34 31.9 394.6 -6.9 -54.9 870 1152 19 36 11 19 51 10 J2102+6015 14 11 05 32.0 394.6 -6.9 -55.0 27 1152 19 51 10 20 05 40 =2101+600 14 25 37 33.5 395.8 -6.6 -57.5 870 1376 19 51 11 20 06 10 J2102+6015 14 26 07 33.5 395.9 -6.6 -57.6 27 1376 20 06 10 20 20 40 =2101+600 14 40 39 35.1 397.0 -6.4 -60.1 870 1600 20 06 11 20 21 10 J2102+6015 14 41 09 35.1 397.0 -6.4 -60.2 27 1600 20 21 10 20 35 40 =2101+600 14 55 42 36.7 398.1 -6.1 -62.7 870 1824 20 21 11 Schedule for MEDICINA (Code Mc ) 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 56 12 36.8 398.1 -6.1 -62.8 27 1824 20 36 10 20 50 40 =2101+600 15 10 44 38.4 399.1 -5.9 -65.4 870 2048 20 36 11 20 51 10 J2102+6015 15 11 14 38.4 399.2 -5.9 -65.5 27 2048 20 51 10 21 05 40 =2101+600 15 25 47 40.1 400.1 -5.6 -68.0 870 2272 20 51 11 21 06 10 J2102+6015 15 26 17 40.1 400.1 -5.6 -68.1 27 2272 21 06 10 21 20 40 =2101+600 15 40 49 41.8 400.9 -5.4 -70.7 870 2497 21 06 11 21 21 10 J2055+6122 15 41 19 43.0 399.9 -5.2 -73.1 23 2497 21 21 10 21 22 10 =2054+611 15 42 19 43.2 399.9 -5.2 -73.3 60 2512 21 21 11 21 22 10 J2102+6015 15 42 19 42.0 401.0 -5.3 -71.0 -7 2512 No stop 21 25 40 =2101+600 15 45 50 42.4 401.2 -5.3 -71.6 203 2566 21 22 11 21 25 40 J2055+6122 15 45 50 43.6 400.1 -5.2 -73.9 -7 2566 No stop 21 27 10 =2054+611 15 47 20 43.7 400.2 -5.1 -74.2 83 2589 21 25 41 21 27 10 J2102+6015 15 47 20 42.6 401.3 -5.3 -71.9 -7 2589 No stop 21 30 40 =2101+600 15 50 51 43.0 401.5 -5.2 -72.6 203 2643 21 27 11 21 30 40 J2055+6122 15 50 51 44.1 400.3 -5.1 -74.9 -7 2643 No stop 21 32 10 =2054+611 15 52 21 44.3 400.4 -5.1 -75.2 83 2667 21 30 41 21 32 40 J2102+6015 15 52 51 43.2 401.6 -5.2 -72.9 23 2667 21 32 40 21 47 10 =2101+600 16 07 24 45.0 402.3 -4.9 -75.6 870 2891 21 32 41 21 47 40 J2102+6015 16 07 54 45.0 402.3 -4.9 -75.7 27 2891 21 47 40 22 02 10 =2101+600 16 22 26 46.8 402.9 -4.7 -78.4 870 3115 21 47 41 22 02 40 J2102+6015 16 22 56 46.9 402.9 -4.7 -78.5 27 3115 22 02 40 22 17 10 =2101+600 16 37 29 48.6 403.3 -4.4 -81.4 870 3339 22 02 41 22 17 40 J2102+6015 16 37 59 48.7 403.4 -4.4 -81.5 27 3339 22 17 40 22 32 10 =2101+600 16 52 31 50.5 403.7 -4.2 -84.4 870 3563 22 17 41 22 40 10 J2102+6015 17 00 32 51.5 403.8 -4.0 -86.0 477 3563 22 40 10 22 47 10 =2101+600 17 07 33 52.3 403.9 -3.9 -87.5 420 3671 22 40 11 22 47 40 J2102+6015 17 08 04 52.4 403.9 -3.9 -87.6 27 3671 22 47 40 23 02 10 =2101+600 17 22 36 54.2 404.0 -3.7 -90.7 870 3895 22 47 41 23 02 40 J2102+6015 17 23 06 54.2 404.0 -3.7 -90.8 27 3895 23 02 40 23 17 10 =2101+600 17 37 38 56.0 403.8 -3.4 -94.1 870 4120 23 02 41 Schedule for MEDICINA (Code Mc ) 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 38 08 56.1 403.8 -3.4 -94.2 27 4120 23 17 40 23 32 10 =2101+600 17 52 41 57.9 403.5 -3.2 -97.6 870 4344 23 17 41 23 32 40 J2055+6122 17 53 11 58.6 401.1 -3.0 -101.3 23 4344 23 32 40 23 33 40 =2054+611 17 54 11 58.7 401.1 -3.0 -101.5 60 4359 23 32 41 23 33 40 J2102+6015 17 54 11 58.1 403.4 -3.2 -98.0 -7 4359 No stop 23 37 10 =2101+600 17 57 42 58.5 403.3 -3.1 -98.9 203 4413 23 33 41 23 37 10 J2055+6122 17 57 42 59.1 400.9 -3.0 -102.5 -7 4413 No stop 23 38 40 =2054+611 17 59 12 59.3 400.8 -2.9 -102.9 83 4437 23 37 11 23 38 40 J2102+6015 17 59 12 58.7 403.3 -3.1 -99.2 -7 4437 No stop 23 42 10 =2101+600 18 02 42 59.1 403.1 -3.0 -100.1 203 4491 23 38 41 23 42 10 J2055+6122 18 02 42 59.7 400.6 -2.9 -103.8 -7 4491 No stop 23 43 40 =2054+611 18 04 13 59.9 400.5 -2.9 -104.2 83 4514 23 42 11 23 44 10 J2102+6015 18 04 43 59.4 403.0 -3.0 -100.6 23 4514 23 44 10 23 58 40 =2101+600 18 19 15 61.1 402.2 -2.7 -104.5 870 4738 23 44 11 --- Start: Mon 14 Jun 2021 Day 165 -- Stop: Tue 15 Jun 2021 Day 166 --- 23 59 10 J2102+6015 18 19 45 61.2 402.2 -2.7 -104.6 27 4738 23 59 10 00 13 40 =2101+600 18 34 18 62.9 401.1 -2.5 -108.7 870 4962 23 59 11 00 14 10 J2102+6015 18 34 48 63.0 401.1 -2.5 -108.9 27 4962 00 14 10 00 28 40 =2101+600 18 49 20 64.6 399.6 -2.2 -113.4 870 5186 00 14 11 00 29 10 J2102+6015 18 49 50 64.7 399.5 -2.2 -113.5 27 5186 00 29 10 00 43 40 =2101+600 19 04 23 66.3 397.6 -2.0 -118.4 870 5410 00 29 11 00 44 10 J2102+6015 19 04 53 66.4 397.6 -2.0 -118.6 27 5410 00 44 10 00 58 40 =2101+600 19 19 25 67.9 395.2 -1.7 -124.0 870 5635 00 44 11 00 59 10 J2102+6015 19 19 55 68.0 395.1 -1.7 -124.1 27 5635 00 59 10 01 13 40 =2101+600 19 34 28 69.4 392.1 -1.5 -130.1 870 5859 00 59 11 01 14 10 J2055+6122 19 34 58 69.3 388.0 -1.4 -135.6 21 5859 01 14 10 01 15 10 =2054+611 19 35 58 69.4 387.7 -1.3 -136.0 60 5874 01 14 11 01 15 10 J2102+6015 19 35 58 69.5 391.7 -1.5 -130.7 -9 5874 No stop 01 18 40 =2101+600 19 39 28 69.9 390.9 -1.4 -132.3 201 5928 01 15 11 Schedule for MEDICINA (Code Mc ) 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 39 28 69.7 386.9 -1.3 -137.6 -9 5928 No stop 01 20 10 =2054+611 19 40 59 69.8 386.5 -1.3 -138.3 81 5951 01 18 41 01 20 10 J2102+6015 19 40 59 70.0 390.5 -1.4 -132.9 -9 5951 No stop 01 23 40 =2101+600 19 44 29 70.3 389.7 -1.3 -134.5 201 6006 01 20 11 01 23 40 J2055+6122 19 44 29 70.1 385.6 -1.2 -139.9 -9 6006 No stop 01 25 10 =2054+611 19 45 59 70.2 385.2 -1.2 -140.6 81 6029 01 23 41 01 25 40 J2102+6015 19 46 29 70.5 389.1 -1.3 -135.5 21 6029 01 25 40 01 40 10 =2101+600 20 01 02 71.7 384.9 -1.0 -142.6 870 6253 01 25 41 01 40 40 J2102+6015 20 01 32 71.7 384.8 -1.0 -142.9 27 6253 01 40 40 01 55 10 =2101+600 20 16 04 72.7 379.9 -0.8 -150.7 870 6477 01 40 41 01 55 40 J2102+6015 20 16 34 72.7 379.7 -0.8 -151.0 27 6477 01 55 40 02 10 10 =2101+600 20 31 07 73.5 374.1 -0.5 -159.5 870 6701 01 55 41 02 10 40 J2102+6015 20 31 37 73.5 373.9 -0.5 -159.8 27 6701 02 10 40 02 16 10 =2101+600 20 37 08 73.7 371.6 -0.4 -163.2 330 6786 02 10 41 02 20 00 J0319+4130 20 40 58 21.9 412.5 -6.7 -49.2 121 6786 02 20 00 02 30 00 =0316+413 20 51 00 23.3 413.8 -6.5 -50.3 600 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: 9 Station: MEDICINA 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= 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 4600.00 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: 4 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= 230.49 230.49 230.49 230.49 294.49 294.49 294.49 294.49 358.49 358.49 358.49 358.49 422.49 422.49 422.49 422.49 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: 4 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