COVER INFORMATION Station: DARNHALL (Code Da ) Experiment: EVN observation of 6 GHZ OH absorption line Exp. Code: EK045B 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 DARNHALL (Code Da ) 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 ---------------------------------------------------------------------------------------- --- Thu 31 Oct 2019 Day 304 --- Next scan frequencies: 5964.00 5964.00 Next BBC frequencies: 1012.00 1012.00 Next scan bandwidths: 64.00 64.00 01 30 00 0954+556 03 56 09 40.8 48.8 -6.0 -52.4 0 0 01 30 00 01 33 00 --- 03 59 10 41.2 49.1 -6.0 -52.8 180 12 01 30 01 01 34 00 NGC3079 04 00 10 41.0 48.5 -6.1 -52.6 44 12 01 34 00 01 44 00 --- 04 10 11 42.1 49.6 -5.9 -53.9 600 50 01 34 01 01 44 30 NGC3079 04 10 41 42.2 49.6 -5.9 -53.9 27 50 01 44 30 01 54 30 --- 04 20 43 43.3 50.8 -5.7 -55.3 600 89 01 44 31 01 55 00 NGC3079 04 21 13 43.4 50.8 -5.7 -55.3 27 89 01 55 00 02 05 00 --- 04 31 15 44.5 51.9 -5.5 -56.6 600 128 01 55 01 02 06 00 0954+556 04 32 15 45.0 52.9 -5.4 -57.1 43 128 02 06 00 02 09 00 --- 04 35 15 45.4 53.2 -5.4 -57.4 180 139 02 06 01 02 10 00 NGC3079 04 36 16 45.1 52.5 -5.4 -57.3 44 139 02 10 00 02 20 00 --- 04 46 17 46.3 53.5 -5.3 -58.6 600 178 02 10 01 02 20 30 NGC3079 04 46 47 46.4 53.6 -5.3 -58.6 27 178 02 20 30 02 30 30 --- 04 56 49 47.6 54.7 -5.1 -59.9 600 216 02 20 31 02 31 00 NGC3079 04 57 19 47.7 54.7 -5.1 -60.0 27 216 02 31 00 02 41 00 --- 05 07 21 48.9 55.8 -4.9 -61.3 600 255 02 31 01 02 42 00 0954+556 05 08 21 49.4 56.7 -4.8 -61.7 43 255 02 42 00 02 45 00 --- 05 11 21 49.8 57.0 -4.8 -62.0 180 267 02 42 01 02 46 00 NGC3079 05 12 22 49.5 56.3 -4.8 -61.9 44 267 02 46 00 02 56 00 --- 05 22 23 50.8 57.3 -4.7 -63.2 600 305 02 46 01 02 56 30 NGC3079 05 22 53 50.9 57.3 -4.7 -63.3 27 305 02 56 30 03 06 30 --- 05 32 55 52.1 58.3 -4.5 -64.6 600 344 02 56 31 03 07 00 NGC3079 05 33 25 52.2 58.4 -4.5 -64.6 27 344 03 07 00 03 17 00 --- 05 43 27 53.5 59.4 -4.3 -65.9 600 383 03 07 01 03 18 00 0954+556 05 44 27 54.1 60.3 -4.2 -66.2 43 383 03 18 00 03 21 00 --- 05 47 27 54.4 60.6 -4.2 -66.6 180 394 03 18 01 03 22 00 NGC3079 05 48 27 54.1 59.9 -4.2 -66.6 43 394 03 22 00 03 32 00 --- 05 58 29 55.4 60.8 -4.1 -67.8 600 433 03 22 01 Schedule for DARNHALL (Code Da ) 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 ---------------------------------------------------------------------------------------- --- Thu 31 Oct 2019 Day 304 --- 03 32 30 NGC3079 05 58 59 55.5 60.9 -4.1 -67.9 27 433 03 32 30 03 42 30 --- 06 09 01 56.8 61.8 -3.9 -69.2 600 471 03 32 31 03 43 00 NGC3079 06 09 31 56.9 61.8 -3.9 -69.3 27 471 03 43 00 03 53 00 --- 06 19 33 58.2 62.7 -3.7 -70.6 600 510 03 43 01 03 54 00 0954+556 06 20 33 58.8 63.8 -3.6 -70.8 43 510 03 54 00 03 57 00 --- 06 23 33 59.2 64.0 -3.6 -71.2 180 522 03 54 01 03 58 00 NGC3079 06 24 33 58.9 63.2 -3.6 -71.2 43 522 03 58 00 04 08 00 --- 06 34 35 60.2 64.1 -3.5 -72.5 600 560 03 58 01 04 08 30 NGC3079 06 35 05 60.3 64.1 -3.5 -72.6 26 560 04 08 30 04 18 30 --- 06 45 07 61.7 64.9 -3.3 -73.9 600 599 04 08 31 04 19 00 NGC3079 06 45 37 61.7 65.0 -3.3 -74.0 26 599 04 19 00 04 29 00 --- 06 55 38 63.1 65.8 -3.1 -75.4 600 638 04 19 01 04 30 00 0954+556 06 56 39 63.7 66.9 -3.0 -75.5 42 638 04 30 00 04 33 00 --- 06 59 39 64.2 67.1 -3.0 -75.9 180 649 04 30 01 04 34 00 NGC3079 07 00 39 63.8 66.2 -3.0 -76.0 42 649 04 34 00 04 44 00 --- 07 10 41 65.2 66.9 -2.9 -77.4 600 688 04 34 01 04 44 30 NGC3079 07 11 11 65.2 67.0 -2.9 -77.5 26 688 04 44 30 04 54 30 --- 07 21 13 66.6 67.7 -2.7 -78.9 600 727 04 44 31 04 55 00 NGC3079 07 21 43 66.7 67.7 -2.7 -79.0 26 727 04 55 00 05 05 00 --- 07 31 44 68.1 68.4 -2.5 -80.5 600 765 04 55 01 05 06 00 0954+556 07 32 45 68.8 69.5 -2.4 -80.5 42 765 05 06 00 05 09 00 --- 07 35 45 69.2 69.7 -2.4 -80.9 180 777 05 06 01 05 10 00 NGC3079 07 36 45 68.8 68.7 -2.4 -81.2 42 777 05 10 00 05 20 00 --- 07 46 47 70.2 69.2 -2.3 -82.7 600 815 05 10 01 05 20 30 NGC3079 07 47 17 70.3 69.3 -2.3 -82.8 26 815 05 20 30 05 30 30 --- 07 57 19 71.7 69.7 -2.1 -84.4 600 854 05 20 31 05 31 00 NGC3079 07 57 49 71.7 69.8 -2.1 -84.5 26 854 05 31 00 05 41 00 --- 08 07 50 73.1 70.1 -1.9 -86.2 600 893 05 31 01 05 49 00 0954+556 08 15 52 74.9 71.6 -1.7 -87.4 461 893 05 49 00 05 52 00 --- 08 18 52 75.3 71.6 -1.7 -87.9 180 904 05 49 01 Schedule for DARNHALL (Code Da ) 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 ---------------------------------------------------------------------------------------- --- Thu 31 Oct 2019 Day 304 --- 05 53 00 NGC3079 08 19 52 74.8 70.4 -1.7 -88.4 41 904 05 53 00 06 03 00 --- 08 29 54 76.3 70.5 -1.6 -90.4 600 943 05 53 01 06 03 30 NGC3079 08 30 24 76.3 70.5 -1.5 -90.6 26 943 06 03 30 06 13 30 --- 08 40 26 77.7 70.3 -1.4 -92.8 600 982 06 03 31 06 14 00 NGC3079 08 40 56 77.8 70.3 -1.4 -92.9 26 982 06 14 00 06 24 00 --- 08 50 57 79.2 69.8 -1.2 -95.5 600 1020 06 14 01 06 25 00 0954+556 08 51 57 80.0 71.0 -1.1 -95.4 40 1020 06 25 00 06 28 00 --- 08 54 58 80.4 70.7 -1.1 -96.2 180 1032 06 25 01 06 29 00 NGC3079 08 55 58 79.9 69.3 -1.1 -97.0 40 1032 06 29 00 06 39 00 --- 09 06 00 81.3 68.0 -1.0 -100.3 600 1070 06 29 01 06 39 30 NGC3079 09 06 30 81.4 67.9 -0.9 -100.5 26 1070 06 39 30 06 49 30 --- 09 16 32 82.8 65.7 -0.8 -104.8 600 1109 06 39 31 06 50 00 NGC3079 09 17 02 82.9 65.5 -0.8 -105.0 25 1109 06 50 00 07 00 00 --- 09 27 03 84.2 61.7 -0.6 -111.0 600 1148 06 50 01 07 01 00 0954+556 09 28 03 85.0 61.6 -0.5 -112.1 45 1148 07 01 00 07 04 00 --- 09 31 04 85.4 59.6 -0.5 -114.7 180 1159 07 01 01 07 05 00 NGC3079 09 32 04 84.9 58.8 -0.5 -114.9 45 1159 07 05 00 07 15 00 --- 09 42 06 86.1 49.7 -0.4 -126.0 600 1198 07 05 01 07 15 30 NGC3079 09 42 36 86.1 49.0 -0.3 -126.8 20 1198 07 15 30 07 25 30 --- 09 52 37 87.1 31.5 -0.2 -146.4 600 1237 07 15 31 07 26 00 NGC3079 09 53 08 87.2 30.3 -0.2 -147.7 15 1237 07 26 00 07 36 00 --- 10 03 09 87.6 0.3 -0.0 -179.6 600 1275 07 26 01 07 37 00 0954+556 10 04 09 87.7 -19.2 0.1 159.8 -25 1275 07 37 00 07 40 00 --- 10 07 10 87.6 -28.6 0.1 149.7 155 1287 07 37 01 07 41 00 NGC3079 10 08 10 87.5 -15.9 0.1 163.1 -1 1287 07 41 00 07 51 00 --- 10 18 12 86.7 -40.4 0.2 136.6 599 1326 07 41 01 07 51 30 NGC3079 10 18 42 86.7 -41.3 0.3 135.6 17 1326 07 51 30 08 01 30 --- 10 28 43 85.6 -54.3 0.4 120.6 600 1364 07 51 31 08 02 00 NGC3079 10 29 13 85.5 -54.7 0.4 120.0 22 1364 08 02 00 08 12 00 --- 10 39 15 84.2 -61.6 0.6 111.1 600 1403 08 02 01 Schedule for DARNHALL (Code Da ) 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 ---------------------------------------------------------------------------------------- --- Thu 31 Oct 2019 Day 304 --- 08 13 00 0954+556 10 40 15 83.6 -66.4 0.7 105.2 24 1403 08 13 00 08 16 00 --- 10 43 16 83.2 -67.4 0.7 103.6 180 1414 08 13 01 08 17 00 NGC3079 10 44 16 83.6 -63.8 0.7 107.9 27 1414 08 17 00 08 27 00 --- 10 54 18 82.2 -66.8 0.9 102.8 600 1453 08 17 01 08 27 30 NGC3079 10 54 48 82.1 -66.9 0.9 102.6 26 1453 08 27 30 08 37 30 --- 11 04 49 80.7 -68.7 1.0 98.8 600 1492 08 27 31 08 38 00 NGC3079 11 05 19 80.7 -68.7 1.0 98.6 26 1492 08 38 00 08 48 00 --- 11 15 21 79.3 -69.8 1.2 95.6 600 1530 08 38 01 08 49 00 0954+556 11 16 21 78.5 -71.6 1.3 92.7 37 1530 08 49 00 08 52 00 --- 11 19 22 78.1 -71.6 1.3 92.0 180 1542 08 49 01 08 53 00 NGC3079 11 20 22 78.6 -70.1 1.3 94.2 38 1542 08 53 00 09 03 00 --- 11 30 23 77.1 -70.4 1.5 91.8 600 1581 08 53 01 09 03 30 NGC3079 11 30 54 77.1 -70.4 1.5 91.7 26 1581 09 03 30 09 13 30 --- 11 40 55 75.6 -70.5 1.6 89.6 600 1619 09 03 31 09 14 00 NGC3079 11 41 25 75.6 -70.5 1.6 89.5 26 1619 09 14 00 09 24 00 --- 11 51 27 74.2 -70.3 1.8 87.5 600 1658 09 14 01 09 25 00 0954+556 11 52 27 73.4 -71.2 1.9 85.6 43 1658 09 25 00 09 28 00 --- 11 55 28 73.0 -71.1 1.9 85.1 180 1669 09 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: DARNHALL 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: 12 Setup file default. Used with PCAL = off LO sum= 5964.00 5964.00 BBC fr= 1012.00 1012.00 Bandwd= 64.00 64.00 Matching frequency sets: 12 13 14 15 16 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) * NGC3079 09 58 35.012628 * 10 01 57.803419 10 03 15.338436 0.00 55 55 15.48398 * 55 40 47.24281 55 34 54.88911 0.00 From catalog imbedded in main SCHED input file. * 0954+556 09 54 14.354488 * 09 57 38.184564 09 58 56.179005 0.00 55 37 16.39980 * 55 22 57.76869 55 17 09.03305 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 NGC3079 sess319.M2048oh 1 2 3 4 5 6 7 8 9 10 11 12 6.500 733.313 0954+556 sess319.M2048oh 1 2 3 4 5 6 7 8 9 10 11 12 0.700 78.479 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) NGC3079 87.8 0954+556 88.2 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