COVER INFORMATION Station: DEFFORD (Code De ) Experiment: EVN observation of 6 GHZ OH absorption line Exp. Code: EK045C Schedule Version: 1.00 Processed by SCHED version: 11.50 Development version 11.5. Started Apr. 2 PI: Dongjin Kim Address: Max-Planck-Institut fuer Radioastronomie Auf dem Huegel 69 53121 Bonn Germany Phone: 0049-176457-18197 EMAIL: dongjin@mpifr-bonn.mpg.de Fax: 0049-2257-301-106 Phone during observation: 0049-2257-301-155 Observing mode: 5cm 2048 Mbps, 32-16-2 Notes: Schedule for DEFFORD (Code De ) Page 2 EVN observation of 6 GHZ OH absorption line 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 1 Nov 2019 Day 305 --- Next scan frequencies: 5943.00 5943.00 Next BBC frequencies: 1033.00 1033.00 Next scan bandwidths: 64.00 64.00 04 30 00 3C273 07 02 09 6.5 95.1 -5.5 -37.7 0 0 04 30 00 04 33 00 --- 07 05 10 6.9 95.7 -5.4 -37.7 180 12 04 30 01 04 34 00 NGC4261 07 06 10 11.5 95.5 -5.2 -37.9 24 12 04 34 00 04 44 00 --- 07 16 11 13.1 97.6 -5.1 -37.7 600 50 04 34 01 04 44 30 NGC4261 07 16 41 13.1 97.7 -5.1 -37.7 26 50 04 44 30 04 54 30 --- 07 26 43 14.7 99.7 -4.9 -37.5 600 89 04 44 31 04 55 00 NGC4261 07 27 13 14.7 99.8 -4.9 -37.5 26 89 04 55 00 05 05 00 --- 07 37 15 16.3 101.9 -4.7 -37.2 600 128 04 55 01 05 06 00 3C273 07 38 15 11.9 102.4 -4.9 -36.9 25 128 05 06 00 05 09 00 --- 07 41 15 12.4 103.0 -4.8 -36.8 180 139 05 06 01 05 10 00 NGC4261 07 42 16 17.0 102.9 -4.6 -37.0 24 139 05 10 00 05 20 00 --- 07 52 17 18.5 105.0 -4.5 -36.6 600 178 05 10 01 05 20 30 NGC4261 07 52 47 18.6 105.1 -4.5 -36.6 26 178 05 20 30 05 30 30 --- 08 02 49 20.1 107.2 -4.3 -36.1 600 216 05 20 31 05 31 00 NGC4261 08 03 19 20.1 107.3 -4.3 -36.1 26 216 05 31 00 05 41 00 --- 08 13 21 21.6 109.5 -4.1 -35.6 600 255 05 31 01 05 42 00 3C273 08 14 21 17.3 109.9 -4.3 -35.3 25 255 05 42 00 05 45 00 --- 08 17 21 17.7 110.6 -4.2 -35.1 180 267 05 42 01 05 46 00 NGC4261 08 18 22 22.3 110.6 -4.0 -35.3 24 267 05 46 00 05 56 00 --- 08 28 23 23.7 112.8 -3.9 -34.7 600 305 05 46 01 05 56 30 NGC4261 08 28 53 23.8 112.9 -3.9 -34.7 26 305 05 56 30 06 06 30 --- 08 38 55 25.2 115.2 -3.7 -34.0 600 344 05 56 31 06 07 00 NGC4261 08 39 25 25.3 115.3 -3.7 -33.9 26 344 06 07 00 06 17 00 --- 08 49 27 26.7 117.6 -3.5 -33.2 600 383 06 07 01 06 18 00 3C273 08 50 27 22.3 117.9 -3.7 -32.9 25 383 06 18 00 06 21 00 --- 08 53 27 22.7 118.6 -3.6 -32.7 180 394 06 18 01 06 22 00 NGC4261 08 54 27 27.3 118.8 -3.4 -32.8 24 394 06 22 00 06 32 00 --- 09 04 29 28.7 121.2 -3.3 -31.9 600 433 06 22 01 Schedule for DEFFORD (Code De ) Page 3 EVN observation of 6 GHZ OH absorption line 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 1 Nov 2019 Day 305 --- 06 32 30 NGC4261 09 04 59 28.7 121.3 -3.3 -31.8 26 433 06 32 30 06 42 30 --- 09 15 01 30.0 123.7 -3.1 -30.9 600 471 06 32 31 06 43 00 NGC4261 09 15 31 30.1 123.9 -3.1 -30.8 26 471 06 43 00 06 53 00 --- 09 25 33 31.4 126.4 -2.9 -29.8 600 510 06 43 01 06 54 00 3C273 09 26 33 27.0 126.4 -3.1 -29.7 25 510 06 54 00 06 57 00 --- 09 29 33 27.4 127.1 -3.0 -29.4 180 522 06 54 01 06 58 00 NGC4261 09 30 33 32.0 127.6 -2.8 -29.3 24 522 06 58 00 07 08 00 --- 09 40 35 33.2 130.2 -2.7 -28.1 600 560 06 58 01 07 08 30 NGC4261 09 41 05 33.2 130.4 -2.7 -28.1 25 560 07 08 30 07 18 30 --- 09 51 07 34.4 133.0 -2.5 -26.8 600 599 07 08 31 07 19 00 NGC4261 09 51 37 34.4 133.2 -2.5 -26.8 25 599 07 19 00 07 29 00 --- 10 01 38 35.5 135.9 -2.3 -25.4 600 638 07 19 01 07 30 00 3C273 10 02 39 31.2 135.5 -2.5 -25.5 25 638 07 30 00 07 33 00 --- 10 05 39 31.5 136.3 -2.4 -25.1 180 649 07 30 01 07 34 00 NGC4261 10 06 39 36.1 137.3 -2.2 -24.7 24 649 07 34 00 07 44 00 --- 10 16 41 37.1 140.1 -2.1 -23.3 600 688 07 34 01 07 44 30 NGC4261 10 17 11 37.1 140.3 -2.1 -23.2 25 688 07 44 30 07 54 30 --- 10 27 13 38.1 143.2 -1.9 -21.7 600 727 07 44 31 07 55 00 NGC4261 10 27 43 38.1 143.3 -1.9 -21.6 25 727 07 55 00 08 05 00 --- 10 37 44 39.0 146.3 -1.7 -20.0 600 765 07 55 01 08 06 00 3C273 10 38 45 34.7 145.4 -1.9 -20.4 25 765 08 06 00 08 09 00 --- 10 41 45 35.0 146.3 -1.8 -20.0 180 777 08 06 01 08 10 00 NGC4261 10 42 45 39.4 147.8 -1.6 -19.2 25 777 08 10 00 08 20 00 --- 10 52 47 40.2 150.9 -1.5 -17.5 600 815 08 10 01 08 20 30 NGC4261 10 53 17 40.3 151.1 -1.5 -17.4 25 815 08 20 30 08 30 30 --- 11 03 19 41.0 154.2 -1.3 -15.6 600 854 08 20 31 08 31 00 NGC4261 11 03 49 41.0 154.4 -1.3 -15.5 25 854 08 31 00 08 41 00 --- 11 13 50 41.6 157.6 -1.1 -13.6 600 893 08 31 01 08 49 00 3C273 11 21 52 37.9 158.2 -1.1 -13.2 446 893 08 49 00 08 52 00 --- 11 24 52 38.0 159.1 -1.1 -12.6 180 904 08 49 01 Schedule for DEFFORD (Code De ) Page 4 EVN observation of 6 GHZ OH absorption line 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 1 Nov 2019 Day 305 --- 08 53 00 NGC4261 11 25 52 42.3 161.5 -0.9 -11.3 26 904 08 53 00 09 03 00 --- 11 35 54 42.7 164.9 -0.7 -9.3 600 943 08 53 01 09 03 30 NGC4261 11 36 24 42.7 165.0 -0.7 -9.2 25 943 09 03 30 09 13 30 --- 11 46 26 43.1 168.4 -0.6 -7.1 600 982 09 03 31 09 14 00 NGC4261 11 46 56 43.1 168.6 -0.6 -7.0 25 982 09 14 00 09 24 00 --- 11 56 57 43.4 172.0 -0.4 -4.9 600 1020 09 14 01 09 25 00 3C273 11 57 58 39.4 169.6 -0.5 -6.4 26 1020 09 25 00 09 28 00 --- 12 00 58 39.5 170.6 -0.5 -5.8 180 1032 09 25 01 09 29 00 NGC4261 12 01 58 43.5 173.7 -0.3 -3.9 26 1032 09 29 00 09 39 00 --- 12 12 00 43.6 177.1 -0.1 -1.8 600 1070 09 29 01 09 39 30 NGC4261 12 12 30 43.6 177.3 -0.1 -1.7 25 1070 09 39 30 09 49 30 --- 12 22 32 43.6 180.7 0.0 0.5 600 1109 09 39 31 09 50 00 NGC4261 12 23 02 43.6 180.9 0.0 0.6 25 1109 09 50 00 10 00 00 --- 12 33 03 43.5 184.4 0.2 2.7 600 1148 09 50 01 10 01 00 3C273 12 34 03 39.8 181.3 0.1 0.8 28 1148 10 01 00 10 04 00 --- 12 37 04 39.8 182.3 0.1 1.4 180 1159 10 01 01 10 05 00 NGC4261 12 38 04 43.5 186.1 0.3 3.7 28 1159 10 05 00 10 15 00 --- 12 48 06 43.3 189.5 0.5 5.8 600 1198 10 05 01 10 15 30 NGC4261 12 48 36 43.3 189.7 0.5 5.9 25 1198 10 15 30 10 25 30 --- 12 58 37 42.9 193.1 0.6 8.0 600 1237 10 15 31 10 26 00 NGC4261 12 59 08 42.9 193.2 0.6 8.1 25 1237 10 26 00 10 36 00 --- 13 09 09 42.5 196.6 0.8 10.1 600 1275 10 26 01 10 37 00 3C273 13 10 09 39.2 193.0 0.7 7.9 27 1275 10 37 00 10 40 00 --- 13 13 10 39.0 193.9 0.7 8.5 180 1287 10 37 01 10 41 00 NGC4261 13 14 10 42.3 198.2 0.9 11.1 26 1287 10 41 00 10 51 00 --- 13 24 12 41.8 201.5 1.1 13.1 600 1326 10 41 01 10 51 30 NGC4261 13 24 42 41.8 201.7 1.1 13.2 25 1326 10 51 30 11 01 30 --- 13 34 43 41.1 204.9 1.2 15.1 600 1364 10 51 31 11 02 00 NGC4261 13 35 13 41.1 205.1 1.2 15.2 25 1364 11 02 00 11 12 00 --- 13 45 15 40.4 208.2 1.4 17.0 600 1403 11 02 01 Schedule for DEFFORD (Code De ) Page 5 EVN observation of 6 GHZ OH absorption line 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 1 Nov 2019 Day 305 --- 11 13 00 3C273 13 46 15 37.4 204.2 1.3 14.6 26 1403 11 13 00 11 16 00 --- 13 49 16 37.2 205.1 1.3 15.1 180 1414 11 13 01 11 17 00 NGC4261 13 50 16 40.0 209.8 1.5 17.9 24 1414 11 17 00 11 27 00 --- 14 00 18 39.2 212.9 1.7 19.6 600 1453 11 17 01 11 27 30 NGC4261 14 00 48 39.2 213.0 1.7 19.7 25 1453 11 27 30 11 37 30 --- 14 10 49 38.3 216.0 1.8 21.3 600 1492 11 27 31 11 38 00 NGC4261 14 11 19 38.3 216.2 1.8 21.4 25 1492 11 38 00 11 48 00 --- 14 21 21 37.3 219.1 2.0 22.9 600 1530 11 38 01 11 49 00 3C273 14 22 21 34.6 214.9 1.9 20.6 25 1530 11 49 00 11 52 00 --- 14 25 22 34.4 215.7 1.9 21.0 180 1542 11 49 01 11 53 00 NGC4261 14 26 22 36.9 220.5 2.1 23.6 24 1542 11 53 00 12 03 00 --- 14 36 23 35.8 223.3 2.3 25.1 600 1581 11 53 01 12 03 30 NGC4261 14 36 54 35.8 223.5 2.3 25.1 25 1581 12 03 30 12 13 30 --- 14 46 55 34.7 226.2 2.4 26.5 600 1619 12 03 31 12 14 00 NGC4261 14 47 25 34.6 226.4 2.5 26.5 25 1619 12 14 00 12 24 00 --- 14 57 27 33.5 229.0 2.6 27.8 600 1658 12 14 01 12 25 00 3C273 14 58 27 31.1 224.7 2.5 25.6 25 1658 12 25 00 12 28 00 --- 15 01 28 30.8 225.5 2.5 26.0 180 1669 12 25 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess319.M2048oh --- 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: DEFFORD Total bit rate: 512 Format: VDIF Bits per sample: 2 Sample rate:128.000 Number of channels: 2 DBE type: Speedup factor: 1.00 Disk used to record data. 1st LO= 6976.00 6976.00 Net SB= U U IF SB = L L Pol. = RCP LCP BBC = 1 9 BBC SB= L L IF = A1 B1 The following frequency sets based on these setups were used. Frequency Set: 13 Setup file default. Used with PCAL = off LO sum= 5943.00 5943.00 BBC fr= 1033.00 1033.00 Bandwd= 64.00 64.00 Matching frequency sets: 13 14 15 16 17 Track assignments are: track1= 1, 2 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * NGC4261 12 16 50.004473 * 12 19 23.216071 12 20 21.778287 0.00 06 06 08.63926 * 05 49 29.70008 05 43 06.33739 0.00 From catalog imbedded in main SCHED input file. * 3C273 12 26 33.245835 * 12 29 06.699731 12 30 05.352590 0.00 02 19 43.30577 * 02 03 08.59827 01 56 47.91501 0.00 From catalog imbedded in main SCHED input file. 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 NGC4261 sess319.M2048oh 1 2 3 4 5 6 7 8 9 10 11 12 + 6.500 767.167 3C273 sess319.M2048oh 1 2 3 4 5 6 7 8 9 10 11 12 + 0.700 81.950 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) NGC4261 36.9 3C273 32.8 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