COVER INFORMATION Station: ONSALA85 (Code On ) Experiment: Distance to OH/IR stars - OH 20.7+0.1 Exp. Code: EE006 Schedule Version: 2.00 Processed by SCHED version: 9.30 Release near March 23, 2010 PI: Dieter Engels Address: Hamburger Sternwarte Gojenbergsweg 112, D-21029 Hamburg Germany Phone: +49-40-428388536 EMAIL: dengels@hs.uni-hamburg.de Fax: 49-40-428388598 Phone during observation: Observing mode: spectral line Notes: Make sure PHASE CAL is OFF. v.2: Jb1 replaced by Jb2 COVER LETTER: No notes. Schedule for ONSALA85 (Code On ) Page 2 Distance to OH/IR stars - OH 20.7+0.1 UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Wed 3 Nov 2010 Day 307 --- Next scan frequencies: 1610.45 1610.45 1610.45 1610.45 Next BBC frequencies: 110.45 110.45 110.45 110.45 Next scan bandwidths: 2.00 2.00 2.00 2.00 12 00 00 3C345 15 38 14 69.5 142.1 -1.1 0.0 0 1 1 0 12 00 00 12 06 00 --- 15 44 15 70.0 145.1 -1.0 0.0 360 F 1 1 12 00 04 12 09 31 J1819-0258 15 47 46 22.4 138.3 -2.5 0.0 27 1 1 1 12 09 31 12 13 31 =1816-029 15 51 47 22.7 139.3 -2.5 0.0 240 F 1 2 12 09 35 12 14 24 OH_20.7+0.1 15 52 40 14.6 140.2 -2.6 0.0 11 1 1 2 12 14 24 12 24 24 --- 16 02 42 15.5 142.6 -2.4 0.0 600 F 1 5 12 14 28 12 24 54 OH_20.7+0.1 16 03 12 15.5 142.7 -2.4 0.0 22 1 1 5 12 24 54 12 34 54 --- 16 13 14 16.3 145.1 -2.3 0.0 600 F 1 7 12 24 58 12 35 24 OH_20.7+0.1 16 13 44 16.3 145.2 -2.3 0.0 22 1 1 7 12 35 24 12 45 24 --- 16 23 45 17.1 147.7 -2.1 0.0 600 F 1 10 12 35 28 12 45 54 OH_20.7+0.1 16 24 15 17.1 147.8 -2.1 0.0 22 1 1 10 12 45 54 12 55 54 --- 16 34 17 17.8 150.3 -1.9 0.0 600 F 1 12 12 45 58 12 56 24 OH_20.7+0.1 16 34 47 17.8 150.4 -1.9 0.0 22 1 1 12 12 56 24 13 06 24 --- 16 44 49 18.5 152.9 -1.7 0.0 600 F 1 15 12 56 28 13 06 54 OH_20.7+0.1 16 45 19 18.5 153.0 -1.7 0.0 22 1 1 15 13 06 54 13 16 54 --- 16 55 20 19.1 155.6 -1.6 0.0 600 F 1 17 13 06 58 13 17 49 J1819-0258 16 56 15 27.3 156.4 -1.4 0.0 13 1 1 17 13 17 49 13 21 49 =1816-029 17 00 16 27.5 157.5 -1.3 0.0 240 F 1 18 13 17 53 13 22 43 OH_20.7+0.1 17 01 10 19.4 157.1 -1.5 0.0 12 1 1 18 13 22 43 13 32 43 --- 17 11 12 19.9 159.6 -1.3 0.0 600 F 1 20 13 22 47 13 33 13 OH_20.7+0.1 17 11 42 19.9 159.7 -1.3 0.0 22 1 1 20 13 33 13 13 43 13 --- 17 21 43 20.4 162.3 -1.1 0.0 600 F 1 23 13 33 17 13 43 43 OH_20.7+0.1 17 22 13 20.4 162.5 -1.1 0.0 22 1 1 23 13 43 43 13 53 43 --- 17 32 15 20.8 165.0 -0.9 0.0 600 F 1 25 13 43 47 13 54 13 OH_20.7+0.1 17 32 45 20.8 165.2 -0.9 0.0 22 1 1 25 13 54 13 14 04 13 --- 17 42 47 21.1 167.8 -0.8 0.0 600 F 1 28 13 54 17 Schedule for ONSALA85 (Code On ) Page 3 Distance to OH/IR stars - OH 20.7+0.1 UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Wed 3 Nov 2010 Day 307 --- 14 04 43 OH_20.7+0.1 17 43 17 21.1 167.9 -0.8 0.0 22 1 1 28 14 04 43 14 14 43 --- 17 53 19 21.4 170.6 -0.6 0.0 600 F 1 30 14 04 47 14 15 37 J1819-0258 17 54 13 29.4 172.6 -0.4 0.0 12 1 1 30 14 15 37 14 19 37 =1816-029 17 58 14 29.5 173.8 -0.4 0.0 240 F 1 31 14 15 41 14 20 31 OH_20.7+0.1 17 59 08 21.5 172.1 -0.5 0.0 12 1 1 31 14 20 31 14 30 31 --- 18 09 09 21.6 174.7 -0.3 0.0 600 F 1 33 14 20 35 14 31 01 OH_20.7+0.1 18 09 39 21.6 174.9 -0.3 0.0 22 1 1 33 14 31 01 14 41 01 --- 18 19 41 21.7 177.5 -0.2 0.0 600 F 1 36 14 31 05 14 41 31 OH_20.7+0.1 18 20 11 21.7 177.6 -0.1 0.0 22 1 1 36 14 41 31 14 51 31 --- 18 30 13 21.8 180.3 0.0 0.0 600 F 1 38 14 41 35 14 52 01 OH_20.7+0.1 18 30 43 21.8 180.4 0.0 0.0 22 1 1 38 14 52 01 15 02 01 --- 18 40 44 21.7 183.1 0.2 0.0 600 F 1 41 14 52 05 15 02 31 OH_20.7+0.1 18 41 15 21.7 183.2 0.2 0.0 22 1 1 41 15 02 31 15 12 31 --- 18 51 16 21.6 185.9 0.4 0.0 600 F 1 43 15 02 35 15 13 24 J1819-0258 18 52 09 29.3 189.3 0.5 0.0 11 1 1 43 15 13 24 15 17 24 =1816-029 18 56 10 29.2 190.4 0.6 0.0 240 F 1 44 15 13 28 15 18 16 OH_20.7+0.1 18 57 03 21.5 187.4 0.5 0.0 11 1 1 44 15 18 16 15 28 16 --- 19 07 04 21.3 190.0 0.6 0.0 600 F 1 46 15 18 20 15 28 46 OH_20.7+0.1 19 07 34 21.3 190.1 0.6 0.0 22 1 1 46 15 28 46 15 38 46 --- 19 17 36 21.0 192.8 0.8 0.0 600 F 1 49 15 28 50 15 39 16 OH_20.7+0.1 19 18 06 21.0 192.9 0.8 0.0 22 1 1 49 15 39 16 15 49 16 --- 19 28 08 20.7 195.5 1.0 0.0 600 F 1 51 15 39 20 15 49 46 OH_20.7+0.1 19 28 38 20.7 195.6 1.0 0.0 22 1 1 51 15 49 46 15 59 46 --- 19 38 39 20.3 198.2 1.2 0.0 600 F 1 54 15 49 50 16 00 16 OH_20.7+0.1 19 39 09 20.3 198.4 1.2 0.0 22 1 1 54 16 00 16 16 10 16 --- 19 49 11 19.8 200.9 1.3 0.0 600 F 1 56 16 00 20 16 11 07 J1819-0258 19 50 01 27.0 205.4 1.5 0.0 8 1 1 56 16 11 07 16 15 07 =1816-029 19 54 02 26.7 206.5 1.6 0.0 240 F 1 57 16 11 11 16 15 57 OH_20.7+0.1 19 54 53 19.5 202.4 1.4 0.0 9 1 1 57 16 15 57 16 25 57 --- 20 04 54 19.0 204.9 1.6 0.0 600 F 1 60 16 16 01 Schedule for ONSALA85 (Code On ) Page 4 Distance to OH/IR stars - OH 20.7+0.1 UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Wed 3 Nov 2010 Day 307 --- 16 26 27 OH_20.7+0.1 20 05 24 19.0 205.1 1.6 0.0 22 1 1 60 16 26 27 16 36 27 --- 20 15 26 18.4 207.6 1.8 0.0 600 F 1 62 16 26 31 16 36 57 OH_20.7+0.1 20 15 56 18.3 207.7 1.8 0.0 22 1 1 62 16 36 57 16 46 57 --- 20 25 58 17.7 210.2 1.9 0.0 600 F 1 64 16 37 01 16 47 27 OH_20.7+0.1 20 26 28 17.6 210.3 2.0 0.0 22 1 1 64 16 47 27 16 57 27 --- 20 36 29 16.9 212.8 2.1 0.0 600 F 1 67 16 47 31 16 57 57 OH_20.7+0.1 20 36 59 16.9 212.9 2.1 0.0 22 1 1 67 16 57 57 17 07 57 --- 20 47 01 16.1 215.4 2.3 0.0 600 F 1 69 16 58 01 17 08 44 J1819-0258 20 47 48 22.7 220.6 2.5 0.0 5 1 1 69 17 08 44 17 12 44 =1816-029 20 51 49 22.4 221.7 2.5 0.0 240 F 1 70 17 08 48 17 13 32 OH_20.7+0.1 20 52 37 15.7 216.7 2.4 0.0 6 1 1 70 17 13 32 17 23 32 --- 21 02 38 14.9 219.1 2.6 0.0 600 F 1 73 17 13 36 17 24 02 OH_20.7+0.1 21 03 09 14.8 219.2 2.6 0.0 22 1 1 73 17 24 02 17 34 02 --- 21 13 10 13.9 221.6 2.7 0.0 600 F 1 75 17 24 06 17 34 32 OH_20.7+0.1 21 13 40 13.9 221.7 2.7 0.0 22 1 1 75 17 34 32 17 44 32 --- 21 23 42 13.0 224.1 2.9 0.0 600 F 1 77 17 34 36 17 45 02 OH_20.7+0.1 21 24 12 12.9 224.2 2.9 0.0 22 1 1 77 17 45 02 17 55 02 --- 21 34 14 12.0 226.5 3.1 0.0 600 F 1 80 17 45 06 17 55 32 OH_20.7+0.1 21 34 44 11.9 226.6 3.1 0.0 22 1 1 80 17 55 32 18 05 32 --- 21 44 45 10.9 228.9 3.3 0.0 600 F 1 82 17 55 36 18 06 17 J1819-0258 21 45 30 17.0 234.7 3.4 0.0 3 1 1 82 18 06 17 18 10 17 =1816-029 21 49 31 16.5 235.6 3.5 0.0 240 F 1 83 18 06 21 18 11 01 OH_20.7+0.1 21 50 16 10.4 230.2 3.4 0.0 3 1 1 83 18 11 01 18 22 01 --- 22 01 18 9.2 232.7 3.5 0.0 660 F 1 86 18 11 05 18 22 31 OH_20.7+0.1 22 01 48 9.1 232.8 3.5 0.0 22 1 1 86 18 22 31 18 33 31 --- 22 12 50 7.9 235.2 3.7 0.0 660 F 1 89 18 22 35 18 34 01 OH_20.7+0.1 22 13 20 7.9 235.3 3.7 0.0 22 1 1 89 18 34 01 18 45 01 --- 22 24 21 6.6 237.8 3.9 0.0 660 F 1 91 18 34 05 18 45 31 OH_20.7+0.1 22 24 51 6.6 237.9 3.9 0.0 22 1 1 91 18 45 31 18 56 31 --- 22 35 53 5.3 240.3 4.1 H 0.0 0 F 1 94 18 45 35 Schedule for ONSALA85 (Code On ) Page 5 Distance to OH/IR stars - OH 20.7+0.1 UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Wed 3 Nov 2010 Day 307 --- 18 57 01 OH_20.7+0.1 22 36 23 5.3 240.4 4.1 H 0.0 22 1 1 94 18 57 01 19 08 01 --- 22 47 25 3.9 242.8 4.3 H 0.0 0 F 1 97 18 57 05 19 08 47 J1819-0258 22 48 11 9.6 248.9 4.5 0.0 4 1 1 97 19 08 47 19 14 47 =1816-029 22 54 12 8.8 250.2 4.6 0.0 360 F 1 98 19 08 51 19 17 51 3C345 22 57 17 30.9 296.6 6.2 0.0 0 1 1 98 19 17 51 19 24 51 --- 23 04 18 30.1 297.8 6.3 0.0 420 F 1 100 19 17 55 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: ee006.set Matching groups in /aps3/sched9.3/catalogs/freq.dat: on21cm1 Values from E-mail J.Conway (CR 21Oct02) Setup group: 4 Station: ONSALA85 Total bit rate: 32 Format: MKIV1:1 Bits per sample: 2 Sample rate: 4.000 Number of channels: 4 Speedup factor: 2.00 Disk used to record data. 1st LO= 1500.00 1500.00 1500.00 1500.00 Net SB= U U U U Pol. = RCP LCP RCP LCP BBC = 2 1 4 3 BBC SB= U U U U IF = 2N 1N 2N 1N The following frequency sets based on this setup were used. Frequency Set: 4 Based on FREQ, BW, and/or DOPPLER in schedule. LO sum= 1610.45 1610.45 1610.45 1610.45 BBC fr= 110.45 110.45 110.45 110.45 Bandwd= 2.000 2.000 2.000 2.000 Track assignments are: track1= 2, 6, 10, 14 barrel=roll_off SOURCE LIST -- Distance to OH/IR stars - OH 20.7+0.1 Catalog positions marked with *. Precession of date coordinates is based on stop time of first scan. Names used in schedule marked with *. Short names used in VLA and SNAP files marked with +. Observation date used in B1950/J2000 coordinate conversion (PRECDATE): 1979.900 No adjustments are made for rates (DRA, DDEC). Scan hours are for recording scans only. Baseline hours are only counted for scans above horizon at both ends. Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * OH_20.7+0.1 18 25 44.296899 * 18 28 30.818000 18 29 07.129468 0.00 -10 52 51.34785 *-10 50 52.99000 -10 50 23.04051 0.00 From catalog imbedded in main SCHED input file. Doppler based on LSR frame and radio definition. Velocities: 136.50 136.50 136.50 136.50 6.083 scan hours, 165.750 baseline hours above horizon. J1642+3948 16 41 17.606229 * 16 42 58.809967 16 43 19.863850 0.01 * 3C345 39 54 10.81492 * 39 48 36.99398 39 47 32.76529 0.01 1641+399 /aps3/sched9.3/catalogs/sources.vlba J1642+39 GSFC Nov. 2009 Solution 2009a 52093 Observations Doppler based on other sources. 0.217 scan hours, 5.250 baseline hours above horizon. * J1819-0258 18 16 40.153751 * 18 19 17.408608 18 19 51.628133 1.87 1816-029 -02 59 26.43629 *-02 58 07.87194 -02 57 44.60924 1.94 /aps3/sched9.3/catalogs/sources.vlba Petrov Dec. 2009 Solution 2009c_astro 31 Observations Doppler based on other sources. 0.567 scan hours, 15.167 baseline hours above horizon. 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) OH_20.7+0.1 57.1 3C345 62.6 J1819-0258 56.7 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