COVER INFORMATION Station: VLA1 (Code Y ) Experiment: 5 cm Observations of Onsala 1 Exp. Code: GS029 Schedule Version: 1.00 Processed by SCHED version: 7.00 Development late 2006 PI: Lorant O. Sjouwerman Address: NRAO 1003 Lopezville Road Socorro, NM 87801 United States of America Phone: +1 (575) 835-7332 LOS or +1 (781) 981-5096 VLF EMAIL: lsjouwer@nrao.edu, vfish@haystack.mit.edu Fax: +1 (575) 835-7027 LOS or +1 (781) 981-0590 VLF Phone during observation: Observing mode: Observations of an excited OH source at 5cm Notes: Spectral line: Make sure phase cals are OFF Westerbork: Manual change required for 6035 MHz Observations include Hh, GBT, and Y1 GBT may need to remove C-band RF/FE filter Schedule for VLA1 (Code Y ) Page 2 5 cm Observations of Onsala 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 ---------------------------------------------------------------------------------------- --- Mon 16 Jun 2008 Day 168 --- Next scan frequencies: 6035.33 6035.33 6030.99 6030.99 Next BBC frequencies: 625.23 625.23 620.89 620.89 Next scan bandwidths: 0.50 0.50 0.50 0.50 04 00 00 ON1 14 28 44 20.4 65.0 -5.7 -61.8 0 1 1 0 04 00 00 04 15 00 --- 14 43 46 23.3 66.6 -5.4 -63.2 900 F 1 4 04 00 01 04 16 00 J2003+3034 14 44 47 24.3 68.4 -5.3 -63.4 42 1 1 4 04 16 00 04 20 00 --- 14 48 47 25.1 68.8 -5.3 -63.8 240 F 1 5 04 16 01 04 20 00 ON1 14 48 47 24.2 67.2 -5.4 -63.6 -18 1 1 5 No stop 04 35 00 --- 15 03 50 27.1 68.7 -5.1 -64.9 882 F 1 8 04 20 01 04 36 00 J2003+3034 15 04 50 28.2 70.5 -5.0 -65.1 42 1 1 8 04 36 00 04 40 00 --- 15 08 51 29.0 70.9 -4.9 -65.4 240 F 1 9 04 36 01 04 40 00 ON1 15 08 51 28.1 69.2 -5.0 -65.3 -18 1 1 9 No stop 04 55 00 --- 15 23 53 31.0 70.7 -4.8 -66.5 882 F 1 13 04 40 01 04 55 00 3C345 15 23 53 73.2 64.4 -1.3 -103.6 -142 1 1 13 No stop 05 02 30 --- 15 31 24 74.6 63.0 -1.2 -106.1 308 F 1 15 04 55 01 05 02 50 3C345 15 31 44 74.6 63.0 -1.2 -106.2 5 1 1 15 05 02 50 05 07 00 --- 15 35 55 75.4 62.1 -1.1 -107.8 250 F 1 16 05 02 51 05 15 00 ON1 15 43 56 35.0 72.7 -4.4 -68.1 344 1 1 16 05 15 00 05 30 00 --- 15 58 59 37.9 74.1 -4.2 -69.2 900 F 1 19 05 15 01 05 31 00 J2003+3034 15 59 59 39.1 76.0 -4.1 -69.0 41 1 1 19 05 31 00 05 35 00 --- 16 04 00 39.9 76.4 -4.0 -69.3 240 F 1 20 05 31 01 05 35 00 ON1 16 04 00 38.9 74.6 -4.1 -69.6 -18 1 1 20 No stop 05 50 00 --- 16 19 02 42.0 76.0 -3.9 -70.6 882 F 1 24 05 35 01 05 51 00 J2003+3034 16 20 02 43.2 78.0 -3.7 -70.3 41 1 1 24 05 51 00 05 55 00 --- 16 24 03 44.0 78.4 -3.7 -70.5 240 F 1 25 05 51 01 05 55 00 ON1 16 24 03 43.0 76.5 -3.8 -70.9 -18 1 1 25 No stop 06 10 00 --- 16 39 05 46.0 77.9 -3.5 -71.9 882 F 1 28 05 55 01 06 10 00 3C345 16 39 05 84.2 8.1 -0.1 -171.3 -130 1 1 28 No stop 06 17 30 --- 16 46 37 84.2 -6.3 0.1 173.2 320 F 1 30 06 10 01 Schedule for VLA1 (Code Y ) Page 3 5 cm Observations of Onsala 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 ---------------------------------------------------------------------------------------- --- Mon 16 Jun 2008 Day 168 --- 06 17 50 3C345 16 46 57 84.2 -7.0 0.1 172.5 4 1 1 30 06 17 50 06 22 00 --- 16 51 07 84.1 -14.7 0.1 164.1 250 F 1 31 06 17 51 06 22 00 J2136+0041 16 51 07 15.7 100.0 -4.8 -54.7 -220 1 1 31 No stop 06 30 00 =2134+00 16 59 09 17.3 101.2 -4.6 -54.3 260 F 1 33 06 22 01 06 30 00 ON1 16 59 09 50.1 79.9 -3.2 -73.1 -113 1 1 33 No stop 06 45 00 --- 17 14 11 53.2 81.3 -2.9 -73.9 787 F 1 37 06 30 01 06 46 00 J2003+3034 17 15 11 54.4 83.7 -2.8 -73.0 41 1 1 37 06 46 00 06 50 00 --- 17 19 12 55.3 84.1 -2.7 -73.2 240 F 1 38 06 46 01 06 50 00 ON1 17 19 12 54.2 81.8 -2.9 -74.2 -19 1 1 38 No stop 07 05 00 --- 17 34 14 57.3 83.3 -2.6 -74.9 881 F 1 41 06 50 01 07 06 00 J2003+3034 17 35 15 58.6 85.9 -2.5 -73.7 41 1 1 41 07 06 00 07 10 00 --- 17 39 15 59.4 86.4 -2.4 -73.8 240 F 1 42 07 06 01 07 10 00 ON1 17 39 15 58.3 83.9 -2.5 -75.1 -19 1 1 42 No stop 07 25 00 --- 17 54 18 61.4 85.5 -2.3 -75.7 881 F 1 46 07 10 01 07 26 00 J2003+3034 17 55 18 62.7 88.3 -2.1 -74.1 40 1 1 46 07 26 00 07 30 00 --- 17 59 18 63.6 88.9 -2.1 -74.2 240 F 1 47 07 26 01 07 30 00 ON1 17 59 18 62.4 86.0 -2.2 -75.8 -20 1 1 47 No stop 07 45 00 --- 18 14 21 65.5 87.8 -1.9 -76.2 880 F 1 51 07 30 01 07 46 00 J2003+3034 18 15 21 66.9 91.1 -1.8 -74.2 40 1 1 51 07 46 00 07 50 00 --- 18 19 22 67.7 91.7 -1.7 -74.1 240 F 1 52 07 46 01 07 50 00 ON1 18 19 22 66.6 88.4 -1.9 -76.3 -20 1 1 52 No stop 08 05 00 --- 18 34 24 69.7 90.5 -1.6 -76.4 880 F 1 55 07 50 01 08 05 00 3C454.3 18 34 24 29.5 89.8 -4.3 -59.6 -136 1 1 55 No stop 08 10 30 --- 18 39 55 30.6 90.5 -4.2 -59.6 194 F 1 57 08 05 01 08 10 50 3C454.3 18 40 15 30.7 90.6 -4.2 -59.6 5 1 1 57 08 10 50 08 15 00 --- 18 44 26 31.6 91.2 -4.2 -59.6 250 F 1 58 08 10 51 08 16 00 J2003+3034 18 45 26 73.1 96.5 -1.3 -73.0 -80 1 1 58 08 16 00 08 20 00 --- 18 49 27 73.9 97.4 -1.2 -72.6 160 F 1 59 08 16 01 08 20 00 ON1 18 49 27 72.8 92.8 -1.4 -76.1 -22 1 1 59 No stop 08 35 00 --- 19 04 29 75.9 95.8 -1.1 -75.2 878 F 1 62 08 20 01 Schedule for VLA1 (Code Y ) Page 4 5 cm Observations of Onsala 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 ---------------------------------------------------------------------------------------- --- Mon 16 Jun 2008 Day 168 --- 08 36 00 J2003+3034 19 05 29 77.2 101.8 -1.0 -70.4 36 1 1 62 08 36 00 08 40 00 --- 19 09 30 78.0 103.1 -0.9 -69.6 240 F 1 63 08 36 01 08 40 00 ON1 19 09 30 76.9 96.9 -1.0 -74.8 -25 1 1 63 No stop 08 50 00 --- 19 19 32 79.0 99.8 -0.8 -73.3 575 F 1 66 08 40 01 08 50 00 ON1 19 19 32 79.0 99.8 -0.8 -73.3 -15 1 1 66 No stop 09 00 00 --- 19 29 33 81.0 103.5 -0.7 -70.9 585 F 1 68 08 50 01 09 01 00 J2003+3034 19 30 33 82.2 114.0 -0.6 -61.5 29 1 1 68 09 01 00 09 05 00 --- 19 34 34 82.9 117.4 -0.5 -58.7 240 F 1 69 09 01 01 09 05 00 ON1 19 34 34 82.0 106.0 -0.6 -69.1 -32 1 1 69 No stop 09 20 00 --- 19 49 37 84.9 118.5 -0.3 -58.7 868 F 1 73 09 05 01 09 21 00 J2003+3034 19 50 37 85.5 140.3 -0.2 -37.9 12 1 1 73 09 21 00 09 25 00 --- 19 54 37 86.0 150.1 -0.2 -28.7 240 F 1 74 09 21 01 09 25 00 ON1 19 54 37 85.8 126.0 -0.3 -51.8 -51 1 1 74 No stop 09 30 00 --- 19 59 38 86.6 137.1 -0.2 -41.4 249 F 1 75 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: gs029.5cm --- 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: 11 Station: VLA1 Total bit rate: 32 Format: VLBA1:1 Bits per sample: 2 Sample rate: 4.000 Number of channels: 4 Speedup factor: 2.00 Disk used to record data. 1st LO= 5410.10 5410.10 5410.10 5410.10 Net SB= U U U U Pol. = RCP LCP RCP LCP BBC = 1 2 3 4 BBC SB= U U U U IF = A D A D The following frequency sets based on this setup were used. Frequency Set: 11 Based on FREQ, BW, and/or DOPPLER in schedule. Used pcal sets: 1 LO sum= 6035.33 6035.33 6030.99 6030.99 BBC fr= 625.23 625.23 620.89 620.89 Bandwd= 0.500 0.500 0.500 0.500 The following pulse cal sets were used with this setup: Pulse cal detection set: 1 PCAL = OFF PCALXB1= S1 S2 S3 S4 OFF OFF OFF OFF PCALXB2= M1 M2 M3 M4 OFF OFF OFF OFF PCALFR1= 0 0 0 0 0 0 0 0 PCALFR2= 0 0 0 0 0 0 0 0 Track assignments are: track1= 2, 6, 10, 14 barrel=roll_off VLA specific information: (LO and FI cards will be written.) Parameter EVLA set to 1. VLASYNA and VLASYNB may be outside old VLA range. VLABAND: VC VLABW: 0000 FEFILTER: 0000 VLAFEAB: 0.00 VLAFECD: 0.00 VLAIF: SYSCIF VLASYNA: 5010.10 VLASYNB: 5010.10 VLAROT: VLBCROT FLUKEA: 100.00 FLUKEB: 200.00 FLUKESET: 0 Details for VLA IFs: LO Sum Frequency span VLBI FIRSTLO VLA IF A: 6010.1000 6010.1000- 6060.1000 5410.1000 VLA IF B: 6010.1000 6010.1000- 6060.1000 5410.1000 VLA IF C: 6010.1000 6010.1000- 6060.1000 5410.1000 VLA IF D: 6010.1000 6010.1000- 6060.1000 5410.1000 With new digital patch panel, VLA IF = VLB IF. SOURCE LIST -- 5 cm Observations of Onsala 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) * ON1 20 08 09.824621 * 20 10 09.070000 20 10 30.815082 0.00 31 22 40.50380 * 31 31 35.80000 31 32 56.65965 0.00 From catalog imbedded in main SCHED input file. Doppler based on LSR frame and radio definition. Velocities: 8.00 8.00 8.00 8.00 8.283 scan hours, 312.809 baseline hours above horizon. J1642+3948 16 41 17.606231 * 16 42 58.809968 16 43 18.142694 0.26 1641+399 39 54 10.81494 * 39 48 36.99400 39 47 36.30996 0.40 * 3C345 /users/cwalker/files/sched_109/catalogs/sources.vlba J1642+39 VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro Doppler based on other sources. 1.361 scan hours, 32.966 baseline hours above horizon. * J2003+3034 20 01 30.323660 * 20 03 30.244060 20 03 52.131759 0.27 30 26 00.29947 * 30 34 30.78882 30 35 47.67628 0.49 /users/cwalker/files/sched_109/catalogs/sources.vlba VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro Doppler based on other sources. 1.600 scan hours, 62.752 baseline hours above horizon. * J2136+0041 21 34 05.207392 * 21 36 38.586327 21 37 05.808330 0.30 2134+00 00 28 25.08018 * 00 41 54.21301 00 44 10.16626 0.20 2134+004 /users/cwalker/files/sched_109/catalogs/sources.vlba J2136+00 VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro Doppler based on other sources. 0.933 scan hours, 17.229 baseline hours above horizon. J2253+1608 22 51 29.519744 * 22 53 57.747943 22 54 23.577839 0.31 2251+158 15 52 54.34806 * 16 08 53.56089 16 11 31.89449 0.20 * 3C454.3 /users/cwalker/files/sched_109/catalogs/sources.vlba J2253+16 VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro Doppler based on other sources. 0.356 scan hours, 10.756 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) ON1 114.3 3C345 115.5 J2003+3034 115.9 J2136+0041 117.6 3C454.3 93.6 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