COVER INFORMATION Station: CAMBG32M (Code Cm ) 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 CAMBG32M (Code Cm ) 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 10 53 7.8 456.9 -5.3 -37.5 0 0 04 30 00 04 33 00 --- 07 13 53 8.2 457.5 -5.3 -37.5 180 12 04 30 01 04 34 00 NGC4261 07 14 53 12.9 457.3 -5.1 -37.7 30 12 04 34 00 04 44 00 --- 07 24 55 14.4 459.3 -4.9 -37.5 600 50 04 34 01 04 44 30 NGC4261 07 25 25 14.5 459.4 -4.9 -37.4 27 50 04 44 30 04 54 30 --- 07 35 27 16.0 461.5 -4.7 -37.2 600 89 04 44 31 04 55 00 NGC4261 07 35 57 16.0 461.6 -4.7 -37.1 27 89 04 55 00 05 05 00 --- 07 45 58 17.5 463.7 -4.6 -36.8 600 128 04 55 01 05 06 00 3C273 07 46 59 13.2 464.2 -4.7 -36.5 30 128 05 06 00 05 09 00 --- 07 49 59 13.7 464.8 -4.7 -36.4 180 139 05 06 01 05 10 00 NGC4261 07 50 59 18.3 464.7 -4.5 -36.6 30 139 05 10 00 05 20 00 --- 08 01 01 19.8 466.9 -4.3 -36.2 600 178 05 10 01 05 20 30 NGC4261 08 01 31 19.8 467.0 -4.3 -36.1 27 178 05 20 30 05 30 30 --- 08 11 33 21.3 469.1 -4.1 -35.6 600 216 05 20 31 05 31 00 NGC4261 08 12 03 21.4 469.2 -4.1 -35.6 26 216 05 31 00 05 41 00 --- 08 22 04 22.8 471.4 -4.0 -35.0 600 255 05 31 01 05 42 00 3C273 08 23 04 18.5 471.8 -4.1 -34.7 30 255 05 42 00 05 45 00 --- 08 26 05 18.9 472.5 -4.1 -34.5 180 267 05 42 01 05 46 00 NGC4261 08 27 05 23.5 472.6 -3.9 -34.7 30 267 05 46 00 05 56 00 --- 08 37 07 24.9 474.8 -3.7 -34.0 600 305 05 46 01 05 56 30 NGC4261 08 37 37 25.0 474.9 -3.7 -34.0 26 305 05 56 30 06 06 30 --- 08 47 38 26.4 477.2 -3.5 -33.2 600 344 05 56 31 06 07 00 NGC4261 08 48 09 26.5 477.3 -3.5 -33.2 26 344 06 07 00 06 17 00 --- 08 58 10 27.8 479.7 -3.4 -32.4 600 383 06 07 01 06 18 00 3C273 08 59 10 23.5 479.9 -3.5 -32.1 30 383 06 18 00 06 21 00 --- 09 02 11 23.9 480.6 -3.5 -31.9 180 394 06 18 01 06 22 00 NGC4261 09 03 11 28.5 480.9 -3.3 -31.9 30 394 06 22 00 06 32 00 --- 09 13 13 29.8 483.3 -3.1 -31.0 600 433 06 22 01 Schedule for CAMBG32M (Code Cm ) 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 13 43 29.8 483.5 -3.1 -31.0 26 433 06 32 30 06 42 30 --- 09 23 44 31.1 486.0 -2.9 -29.9 600 471 06 32 31 06 43 00 NGC4261 09 24 14 31.2 486.1 -2.9 -29.9 26 471 06 43 00 06 53 00 --- 09 34 16 32.4 488.6 -2.8 -28.8 600 510 06 43 01 06 54 00 3C273 09 35 16 28.0 488.5 -2.9 -28.7 30 510 06 54 00 06 57 00 --- 09 38 17 28.4 489.3 -2.9 -28.4 180 522 06 54 01 06 58 00 NGC4261 09 39 17 33.0 489.9 -2.7 -28.2 30 522 06 58 00 07 08 00 --- 09 49 19 34.1 492.6 -2.5 -27.0 600 560 06 58 01 07 08 30 NGC4261 09 49 49 34.2 492.7 -2.5 -26.9 26 560 07 08 30 07 18 30 --- 09 59 50 35.3 495.4 -2.3 -25.6 600 599 07 08 31 07 19 00 NGC4261 10 00 20 35.4 495.6 -2.3 -25.6 26 599 07 19 00 07 29 00 --- 10 10 22 36.4 498.4 -2.2 -24.2 600 638 07 19 01 07 30 00 3C273 10 11 22 32.1 497.9 -2.3 -24.3 30 638 07 30 00 07 33 00 --- 10 14 23 32.4 498.7 -2.3 -23.9 180 649 07 30 01 07 34 00 NGC4261 10 15 23 36.9 499.8 -2.1 -23.4 30 649 07 34 00 07 44 00 --- 10 25 24 37.9 502.7 -1.9 -21.9 600 688 07 34 01 07 44 30 NGC4261 10 25 55 37.9 502.8 -1.9 -21.9 26 688 07 44 30 07 54 30 --- 10 35 56 38.8 505.8 -1.7 -20.3 600 727 07 44 31 07 55 00 NGC4261 10 36 26 38.9 506.0 -1.7 -20.2 26 727 07 55 00 08 05 00 --- 10 46 28 39.7 509.0 -1.6 -18.5 600 765 07 55 01 08 06 00 3C273 10 47 28 35.4 507.9 -1.7 -19.0 30 765 08 06 00 08 09 00 --- 10 50 29 35.7 508.8 -1.7 -18.5 180 777 08 06 01 08 10 00 NGC4261 10 51 29 40.1 510.5 -1.5 -17.6 30 777 08 10 00 08 20 00 --- 11 01 30 40.8 513.7 -1.3 -15.9 600 815 08 10 01 08 20 30 NGC4261 11 02 00 40.8 513.8 -1.3 -15.8 26 815 08 20 30 08 30 30 --- 11 12 02 41.5 517.0 -1.1 -13.9 600 854 08 20 31 08 31 00 NGC4261 11 12 32 41.5 517.2 -1.1 -13.8 26 854 08 31 00 08 41 00 --- 11 22 34 42.0 520.5 -1.0 -11.9 600 893 08 31 01 08 49 00 3C273 11 30 35 38.3 520.9 -1.0 -11.6 451 893 08 49 00 08 52 00 --- 11 33 36 38.4 521.9 -0.9 -11.0 180 904 08 49 01 Schedule for CAMBG32M (Code Cm ) 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 34 36 42.6 524.4 -0.8 -9.5 31 904 08 53 00 09 03 00 --- 11 44 37 43.0 527.8 -0.6 -7.5 600 943 08 53 01 09 03 30 NGC4261 11 45 08 43.0 528.0 -0.6 -7.4 26 943 09 03 30 09 13 30 --- 11 55 09 43.3 531.4 -0.4 -5.3 600 982 09 03 31 09 14 00 NGC4261 11 55 39 43.3 531.5 -0.4 -5.2 26 982 09 14 00 09 24 00 --- 12 05 41 43.5 535.0 -0.2 -3.1 600 1020 09 14 01 09 25 00 3C273 12 06 41 39.5 532.4 -0.4 -4.7 32 1020 09 25 00 09 28 00 --- 12 09 42 39.6 533.4 -0.3 -4.1 180 1032 09 25 01 09 29 00 NGC4261 12 10 42 43.5 536.7 -0.2 -2.0 32 1032 09 29 00 09 39 00 --- 12 20 43 43.6 540.1 0.0 0.1 600 1070 09 29 01 09 39 30 NGC4261 12 21 13 43.6 540.3 0.0 0.2 26 1070 09 39 30 09 49 30 --- 12 31 15 43.5 543.7 0.2 2.3 600 1109 09 39 31 09 50 00 NGC4261 12 31 45 43.5 543.9 0.2 2.4 26 1109 09 50 00 10 00 00 --- 12 41 47 43.3 547.3 0.4 4.5 600 1148 09 50 01 10 01 00 3C273 12 42 47 39.7 544.1 0.2 2.5 33 1148 10 01 00 10 04 00 --- 12 45 47 39.7 545.1 0.3 3.1 180 1159 10 01 01 10 05 00 NGC4261 12 46 48 43.2 549.0 0.4 5.6 33 1159 10 05 00 10 15 00 --- 12 56 49 42.9 552.4 0.6 7.6 600 1198 10 05 01 10 15 30 NGC4261 12 57 19 42.9 552.6 0.6 7.7 26 1198 10 15 30 10 25 30 --- 13 07 21 42.5 556.0 0.8 9.8 600 1237 10 15 31 10 26 00 NGC4261 13 07 51 42.5 556.1 0.8 9.9 26 1237 10 26 00 10 36 00 --- 13 17 53 42.1 559.4 1.0 11.8 600 1275 10 26 01 10 37 00 3C273 13 18 53 38.8 555.7 0.8 9.6 33 1275 10 37 00 10 40 00 --- 13 21 53 38.6 556.7 0.9 10.1 180 1287 10 37 01 10 41 00 NGC4261 13 22 54 41.8 561.1 1.0 12.8 32 1287 10 41 00 10 51 00 --- 13 32 55 41.2 564.3 1.2 14.7 600 1326 10 41 01 10 51 30 NGC4261 13 33 25 41.2 564.5 1.2 14.8 26 1326 10 51 30 11 01 30 --- 13 43 27 40.5 567.6 1.4 16.6 600 1364 10 51 31 11 02 00 NGC4261 13 43 57 40.5 567.8 1.4 16.7 26 1364 11 02 00 11 12 00 --- 13 53 59 39.7 570.9 1.6 18.5 600 1403 11 02 01 Schedule for CAMBG32M (Code Cm ) 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 54 59 36.7 566.8 1.4 16.1 32 1403 11 13 00 11 16 00 --- 13 57 59 36.5 567.7 1.5 16.6 180 1414 11 13 01 11 17 00 NGC4261 13 58 59 39.3 572.4 1.6 19.3 32 1414 11 17 00 11 27 00 --- 14 09 01 38.4 575.4 1.8 20.9 600 1453 11 17 01 11 27 30 NGC4261 14 09 31 38.4 575.6 1.8 21.0 26 1453 11 27 30 11 37 30 --- 14 19 33 37.5 578.5 2.0 22.6 600 1492 11 27 31 11 38 00 NGC4261 14 20 03 37.4 578.7 2.0 22.7 26 1492 11 38 00 11 48 00 --- 14 30 05 36.4 581.5 2.2 24.1 600 1530 11 38 01 11 49 00 3C273 14 31 05 33.8 577.3 2.0 21.8 32 1530 11 49 00 11 52 00 --- 14 34 05 33.5 578.1 2.1 22.3 180 1542 11 49 01 11 53 00 NGC4261 14 35 05 35.9 582.9 2.2 24.8 31 1542 11 53 00 12 03 00 --- 14 45 07 34.8 585.7 2.4 26.2 600 1581 11 53 01 12 03 30 NGC4261 14 45 37 34.8 585.8 2.4 26.2 26 1581 12 03 30 12 13 30 --- 14 55 39 33.7 588.5 2.6 27.5 600 1619 12 03 31 12 14 00 NGC4261 14 56 09 33.6 588.7 2.6 27.6 26 1619 12 14 00 12 24 00 --- 15 06 10 32.4 591.3 2.8 28.8 600 1658 12 14 01 12 25 00 3C273 15 07 11 30.1 587.0 2.6 26.7 32 1658 12 25 00 12 28 00 --- 15 10 11 29.8 587.8 2.7 27.0 180 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: 13 Station: CAMBG32M 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