COVER INFORMATION Station: WSTRBORK (Code Wb ) Experiment: Spatially resolved near-infrared and EVN observations of two blazars Exp. Code: eh042a Schedule Version: 2.00 Processed by SCHED version: 11.60 Release 11.6; April 2020 PI: Hovatta Address: Finnish Centre for Astronomy with ESO Vesilinnantie 5 University of Turku Finland Phone: +358504916007 EMAIL: talvikki.hovatta@utu.fi Fax: Phone during observation: +358504916007 Observing mode: vlbi Notes: # Please, make sure PHASE CAL is OFF # COVER LETTER: Schedule for WSTRBORK (Code Wb ) Page 2 Spatially resolved near-infrared and EVN observations of two blazars 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 ---------------------------------------------------------------------------------------- --- Fri 26 May 2023 Day 146 --- Next scan frequencies: 4958.49 4958.49 4958.49 4958.49 5022.49 5022.49 5022.49 5022.49 Next BBC frequencies: 371.49 371.49 371.49 371.49 435.49 435.49 435.49 435.49 Next scan bandwidths: 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 21 30 00 1901+319 14 13 09 35.1 81.7 -4.8 0.0 0 0 21 30 00 21 35 00 --- 14 18 10 35.9 82.6 -4.8 0.0 300 39 21 30 01 21 37 00 1749+096 14 20 10 29.4 115.2 -3.5 0.0 32 39 21 37 00 21 42 00 --- 14 25 11 30.0 116.4 -3.5 0.0 300 77 21 37 01 21 43 00 1811+062 14 26 11 24.4 113.6 -3.8 0.0 29 77 21 43 00 21 46 00 --- 14 29 12 24.8 114.3 -3.8 0.0 180 100 21 43 01 21 46 30 1811+062 14 29 42 24.8 114.4 -3.8 0.0 19 100 21 46 30 22 01 00 --- 14 44 14 26.8 117.8 -3.5 0.0 870 213 21 46 31 22 01 30 1811+062 14 44 44 26.9 117.9 -3.5 0.0 19 213 22 01 30 22 16 00 --- 14 59 16 28.8 121.3 -3.3 0.0 870 325 22 01 31 22 16 30 1811+062 14 59 47 28.8 121.5 -3.2 0.0 19 325 22 16 30 22 31 00 --- 15 14 19 30.7 125.1 -3.0 0.0 870 437 22 16 31 22 33 00 1901+319 15 16 19 44.6 94.0 -3.8 0.0 21 437 22 33 00 22 38 00 --- 15 21 20 45.4 95.1 -3.7 0.0 300 475 22 33 01 22 40 00 1749+096 15 23 20 37.3 131.3 -2.5 0.0 32 475 22 40 00 22 45 00 --- 15 28 21 37.9 132.6 -2.4 0.0 300 514 22 40 01 22 46 00 1811+062 15 29 21 32.5 128.9 -2.8 0.0 29 514 22 46 00 22 49 00 --- 15 32 22 32.8 129.7 -2.7 0.0 180 537 22 46 01 22 49 30 1811+062 15 32 52 32.9 129.8 -2.7 0.0 19 537 22 49 30 23 04 00 --- 15 47 24 34.5 133.7 -2.5 0.0 870 649 22 49 31 23 04 30 1811+062 15 47 54 34.6 133.8 -2.4 0.0 19 649 23 04 30 23 19 00 --- 16 02 27 36.1 137.8 -2.2 0.0 870 761 23 04 31 23 19 30 1811+062 16 02 57 36.2 138.0 -2.2 0.0 19 761 23 19 30 23 34 00 --- 16 17 29 37.6 142.1 -2.0 0.0 870 873 23 19 31 23 36 15 1901+319 16 19 45 54.0 108.9 -2.7 0.0 36 873 23 36 15 23 41 15 --- 16 24 45 54.7 110.3 -2.7 0.0 300 912 23 36 16 23 43 45 1749+096 16 27 16 43.4 150.4 -1.4 0.0 62 912 23 43 45 23 48 45 --- 16 32 17 43.8 152.0 -1.3 0.0 300 951 23 43 46 Schedule for WSTRBORK (Code Wb ) Page 3 Spatially resolved near-infrared and EVN observations of two blazars 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 ---------------------------------------------------------------------------------------- --- Fri 26 May 2023 Day 146 --- 23 50 45 1811+062 16 34 17 39.0 147.1 -1.7 0.0 89 951 23 50 45 23 58 45 --- 16 42 18 39.7 149.6 -1.5 0.0 480 1013 23 50 46 --- Sat 27 May 2023 Day 147 --- 00 02 15 2201+171 16 45 49 20.1 87.2 -5.3 0.0 8 1013 00 02 15 00 10 15 --- 16 53 50 21.3 88.8 -5.2 0.0 480 1074 00 02 16 00 12 15 1811+062 16 55 51 40.6 153.8 -1.3 0.0 -87 1074 00 12 15 00 20 15 --- 17 03 52 41.2 156.3 -1.2 0.0 393 1136 00 12 16 00 23 45 2201+171 17 07 22 23.3 91.5 -5.0 0.0 8 1136 00 23 45 00 31 45 --- 17 15 24 24.5 93.1 -4.8 0.0 480 1198 00 23 46 00 33 45 1811+062 17 17 24 41.9 160.7 -1.0 0.0 -87 1198 00 33 45 00 41 45 --- 17 25 25 42.3 163.3 -0.8 0.0 393 1260 00 33 46 00 45 15 2201+171 17 28 56 26.6 95.9 -4.6 0.0 8 1260 00 45 15 00 53 15 --- 17 36 57 27.8 97.6 -4.5 0.0 480 1322 00 45 16 00 55 15 2131-021 17 38 58 16.5 116.5 -3.9 0.0 43 1322 00 55 15 01 00 15 --- 17 43 58 17.2 117.6 -3.9 0.0 300 1360 00 55 16 01 03 15 1749+096 17 46 59 46.7 178.0 -0.1 0.0 -21 1360 01 03 15 01 08 15 --- 17 52 00 46.7 179.8 -0.0 0.0 279 1399 01 03 16 01 09 15 1811+062 17 53 00 43.1 172.6 -0.4 0.0 29 1399 01 09 15 01 17 15 --- 18 01 01 43.3 175.3 -0.2 0.0 480 1461 01 09 16 01 20 55 2201+171 18 04 42 31.9 103.6 -4.0 0.0 18 1461 01 20 55 01 28 55 --- 18 12 43 33.1 105.3 -3.9 0.0 480 1523 01 20 56 01 31 55 1811+062 18 15 44 43.4 180.3 0.0 0.0 -27 1523 01 31 55 01 39 55 --- 18 23 45 43.3 183.1 0.2 0.0 453 1584 01 31 56 01 42 55 2201+171 18 26 45 35.1 108.6 -3.6 0.0 -22 1584 01 42 55 01 50 55 --- 18 34 47 36.2 110.5 -3.5 0.0 458 1646 01 42 56 01 52 25 2131-021 18 36 17 23.8 129.7 -3.0 0.0 13 1646 01 52 25 01 57 25 --- 18 41 18 24.3 130.9 -2.9 0.0 300 1685 01 52 26 02 00 25 1749+096 18 44 18 45.5 198.3 0.9 0.0 -21 1685 02 00 25 02 05 25 --- 18 49 19 45.2 200.0 0.9 0.0 279 1724 02 00 26 Schedule for WSTRBORK (Code Wb ) Page 4 Spatially resolved near-infrared and EVN observations of two blazars 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 ---------------------------------------------------------------------------------------- --- Sat 27 May 2023 Day 147 --- 02 07 25 1811+062 18 51 19 42.8 192.4 0.6 0.0 89 1724 02 07 25 02 15 25 --- 18 59 21 42.5 195.1 0.7 0.0 480 1785 02 07 26 02 18 55 2201+171 19 02 51 40.1 117.4 -3.0 0.0 8 1785 02 18 55 02 26 55 --- 19 10 53 41.1 119.5 -2.9 0.0 480 1847 02 18 56 02 28 55 1811+062 19 12 53 41.9 199.6 1.0 0.0 -87 1847 02 28 55 02 36 55 --- 19 20 54 41.4 202.2 1.1 0.0 393 1909 02 28 56 02 40 25 2201+171 19 24 25 42.9 123.2 -2.7 0.0 8 1909 02 40 25 02 48 25 --- 19 32 26 43.9 125.4 -2.5 0.0 480 1971 02 40 26 02 50 25 1811+062 19 34 27 40.6 206.5 1.3 0.0 -87 1971 02 50 25 02 58 25 --- 19 42 28 40.0 209.0 1.5 0.0 393 2033 02 50 26 03 01 55 2201+171 19 45 58 45.5 129.3 -2.3 0.0 8 2033 03 01 55 03 09 55 --- 19 54 00 46.4 131.7 -2.2 0.0 480 2095 03 01 56 03 11 25 2131-021 19 55 30 31.4 150.4 -1.7 0.0 13 2095 03 11 25 03 16 25 --- 20 00 31 31.8 151.8 -1.6 0.0 300 2133 03 11 26 03 19 25 1749+096 20 03 31 39.3 223.5 2.2 0.0 -21 2133 03 19 25 03 24 25 --- 20 08 32 38.8 225.0 2.3 0.0 279 2172 03 19 26 03 26 25 1811+062 20 10 32 37.7 217.5 1.9 0.0 89 2172 03 26 25 03 34 25 --- 20 18 34 36.9 219.8 2.1 0.0 480 2234 03 26 26 03 37 55 2201+171 20 22 04 49.4 140.7 -1.7 0.0 8 2234 03 37 55 03 45 55 --- 20 30 06 50.1 143.4 -1.6 0.0 480 2296 03 37 56 03 47 55 1811+062 20 32 06 35.6 223.6 2.3 0.0 -87 2296 03 47 55 03 55 55 --- 20 40 07 34.7 225.8 2.4 0.0 393 2357 03 47 56 03 59 25 2201+171 20 43 38 51.3 148.2 -1.3 0.0 8 2357 03 59 25 04 07 25 --- 20 51 39 51.9 151.1 -1.2 0.0 480 2419 03 59 26 04 09 25 1811+062 20 53 40 33.2 229.4 2.6 0.0 -87 2419 04 09 25 04 17 25 --- 21 01 41 32.3 231.5 2.8 0.0 393 2481 04 09 26 04 20 55 2201+171 21 05 11 52.8 156.2 -1.0 0.0 8 2481 04 20 55 04 28 55 --- 21 13 13 53.2 159.3 -0.9 0.0 480 2543 04 20 56 04 30 55 2131-021 21 15 13 35.1 173.8 -0.3 0.0 43 2543 04 30 55 04 35 55 --- 21 20 14 35.2 175.4 -0.3 0.0 300 2582 04 30 56 Schedule for WSTRBORK (Code Wb ) Page 5 Spatially resolved near-infrared and EVN observations of two blazars 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 ---------------------------------------------------------------------------------------- --- Sat 27 May 2023 Day 147 --- 04 37 55 1811+062 21 22 14 29.8 236.7 3.1 0.0 -63 2582 04 37 55 04 45 55 --- 21 30 16 28.8 238.7 3.3 0.0 417 2643 04 37 56 04 49 25 2201+171 21 33 46 54.1 167.4 -0.5 0.0 8 2643 04 49 25 04 57 25 --- 21 41 47 54.3 170.7 -0.4 0.0 480 2705 04 49 26 04 59 25 1811+062 21 43 48 27.0 241.9 3.5 0.0 -87 2705 04 59 25 05 07 25 --- 21 51 49 25.9 243.8 3.6 0.0 393 2767 04 59 26 05 10 55 2201+171 21 55 20 54.6 176.2 -0.2 0.0 8 2767 05 10 55 05 18 55 --- 22 03 21 54.6 179.5 -0.0 0.0 480 2829 05 10 56 05 21 55 1811+062 22 06 21 23.9 247.1 3.9 0.0 -27 2829 05 21 55 05 29 55 --- 22 14 23 22.8 248.9 4.0 0.0 453 2891 05 21 56 05 33 35 2201+171 22 18 03 54.5 185.5 0.2 0.0 18 2891 05 33 35 05 41 35 --- 22 26 05 54.4 188.8 0.4 0.0 480 2953 05 33 36 05 44 35 1811+062 22 29 05 20.7 252.1 4.2 0.0 -27 2953 05 44 35 05 52 35 --- 22 37 06 19.6 253.9 4.4 0.0 453 3014 05 44 36 05 55 35 2201+171 22 40 07 53.9 194.5 0.6 0.0 -22 3014 05 55 35 06 03 35 --- 22 48 08 53.6 197.7 0.7 0.0 458 3076 05 55 36 06 05 35 2131-021 22 50 09 33.1 202.5 1.2 0.0 43 3076 06 05 35 06 10 35 --- 22 55 09 32.8 203.9 1.3 0.0 300 3115 06 05 36 06 12 35 2201+171 22 57 10 53.2 201.2 0.9 0.0 43 3115 06 12 35 06 15 35 --- 23 00 10 53.0 202.4 0.9 0.0 180 3138 06 12 36 06 16 05 2201+171 23 00 40 53.0 202.6 0.9 0.0 19 3138 06 16 05 06 30 35 --- 23 15 13 52.0 208.0 1.2 0.0 870 3250 06 16 06 06 31 05 2201+171 23 15 43 52.0 208.2 1.2 0.0 19 3250 06 31 05 06 45 35 --- 23 30 15 50.9 213.5 1.4 0.0 870 3362 06 31 06 06 46 05 2201+171 23 30 45 50.8 213.7 1.4 0.0 19 3362 06 46 05 07 00 35 --- 23 45 18 49.5 218.7 1.7 0.0 870 3474 06 46 06 07 02 35 2131-021 23 47 18 28.7 218.4 2.2 0.0 43 3474 07 02 35 07 07 35 --- 23 52 19 28.3 219.7 2.3 0.0 300 3513 07 02 36 07 09 35 2201+171 23 54 19 48.6 221.7 1.8 0.0 43 3513 07 09 35 07 12 35 --- 23 57 20 48.3 222.7 1.9 0.0 180 3536 07 09 36 Schedule for WSTRBORK (Code Wb ) Page 6 Spatially resolved near-infrared and EVN observations of two blazars 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 ---------------------------------------------------------------------------------------- --- Sat 27 May 2023 Day 147 --- 07 13 05 2201+171 23 57 50 48.3 222.8 1.9 0.0 19 3536 07 13 05 07 27 35 --- 00 12 22 46.7 227.4 2.1 0.0 870 3648 07 13 06 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess223.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: 12 Station: WSTRBORK Total bit rate: 1024 Format: VDIF Bits per sample: 2 Sample rate: 64.000 Number of channels: 8 DBE type: DBBC_DDC Speedup factor: 1.00 Disk used to record data. 1st LO= 4587.00 4587.00 4587.00 4587.00 4587.00 4587.00 4587.00 4587.00 Net SB= L L U U L L U U IF SB = U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 9 1 9 2 10 2 10 BBC SB= L L U U L L U U IF = A1 B1 A1 B1 A1 B1 A1 B1 The following frequency sets based on these setups were used. Frequency Set: 2 Setup file default. Used with PCAL = off LO sum= 4958.49 4958.49 4958.49 4958.49 5022.49 5022.49 5022.49 5022.49 BBC fr= 371.49 371.49 371.49 371.49 435.49 435.49 435.49 435.49 Bandwd= 32.00 32.00 32.00 32.00 32.00 32.00 32.00 32.00 Matching frequency sets: 2 Track assignments are: track1= 1, 2, 3, 4, 5, 6, 7, 8 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * 1749+096 17 49 10.387930 * 17 51 32.818574 17 52 40.161310 0.00 J1751+0939 09 39 42.82586 * 09 39 00.72841 09 38 32.71210 0.00 J1751+09 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 192391 observations. * 1811+062 18 11 06.934749 * 18 13 33.411594 18 14 42.554849 0.11 J1813+0615 06 14 48.08455 * 06 15 42.03418 06 15 58.90887 0.18 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 112 observations. 3C395 19 01 02.310064 * 19 02 55.938900 19 03 49.774383 0.02 J1902+3159 31 55 13.94285 * 31 59 41.70165 32 01 31.95169 0.02 * 1901+319 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc J1902+31 GSFC 2016a X/S astro solution, 2536 observations. * 2131-021 21 31 35.130682 * 21 34 10.309593 21 35 22.557730 0.01 J2134-0153 -02 06 39.92005 *-01 53 17.23894 -01 47 09.65909 0.01 J2134-01 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 7810 observations. * 2201+171 22 01 03.345094 * 22 03 26.893679 22 04 33.508589 0.05 J2203+1725 17 11 15.54383 * 17 25 48.24774 17 32 22.17060 0.09 J2203+17 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 284 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 1749+096 sess223.C2048 1 2 3 4 5 6 7 8 9 10 11 12 0.500 26.053 1811+062 sess223.C2048 1 2 3 4 5 6 7 8 9 10 11 12 3.550 184.494 1901+319 sess223.C2048 1 2 3 4 5 6 7 8 9 10 11 12 0.250 16.500 2131-021 sess223.C2048 1 2 3 4 5 6 7 8 9 10 11 12 0.500 26.833 2201+171 sess223.C2048 1 2 3 4 5 6 7 8 9 10 11 12 3.067 166.258 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) 1749+096 140.9 1811+062 139.7 1901+319 113.1 2131-021 99.8 2201+171 86.0 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