COVER INFORMATION Station: VLBA_PT (Code Pt ) Experiment: TESTS.SOFTWARE.CORRELATOR.SPECTRA.W75N.4STOKES Exp. Code: TC013B Schedule Version: 1.00 Processed by SCHED version: 6.05 June 2006 PI: Miller Goss Address: NRAO-Socorro 1003 Lopezville Rd. Socorro, NM 87801 Phone: (575) 835-7267 EMAIL: mgoss@nrao.edu Fax: (575) 835-7027 Phone during observation: Observing mode: 1612,1665,1665,1720 4 Stokes Notes: Dynamic scheduling, so make sure DAY is set correctly. Spectral line -- make sure PCALs are off Schedule for VLBA_PT (Code Pt ) Page 2 TESTS.SOFTWARE.CORRELATOR.SPECTRA.W75N.4STOKES 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. Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Sat 26 Apr 2008 Day 117 --- Next scan frequencies: 1612.30 1612.30 1720.59 1720.59 1667.41 1667.41 1665.48 1665.48 Next BBC frequencies: 787.70 787.70 679.41 679.41 732.59 732.59 734.52 734.52 Next scan bandwidths: 0.12 0.12 0.12 0.12 0.12 0.12 0.12 0.12 10 23 19 W75N 17 30 00 52.6 62.7 -3.1 -86.8 0 1 1 0 10 21 59 10 38 16 --- 17 45 00 55.4 62.9 -2.9 -89.2 898 F 1 4 10 22 34 10 38 16 J2355+4950 17 45 00 24.0 44.8 -6.2 -64.6 -69 1 1 4 10 38 16 10 45 45 =2352+495 17 52 30 25.1 45.3 -6.1 -65.8 380 F 1 6 10 38 16 10 45 45 J2136+0041 17 52 30 27.9 110.1 -3.7 -50.9 -49 1 1 6 10 45 45 10 53 14 =2134+00 18 00 00 29.3 111.4 -3.6 -50.3 400 F 1 8 10 45 45 10 53 14 3C345 18 00 00 73.8 -64.6 1.3 103.7 -123 1 1 8 10 53 14 11 03 12 --- 18 10 00 71.9 -66.0 1.4 100.8 475 F 1 10 10 53 14 11 03 12 W75N 18 10 00 60.0 62.7 -2.5 -93.6 -92 1 1 10 11 03 12 11 48 05 --- 18 55 00 68.1 59.9 -1.7 -103.8 2601 F 1 21 11 03 12 11 48 05 J2355+4950 18 55 00 34.6 49.2 -5.0 -75.9 -73 1 1 21 11 48 05 11 55 34 =2352+495 19 02 30 35.7 49.5 -4.9 -77.1 376 F 1 23 11 48 05 11 55 34 J2136+0041 19 02 30 40.7 124.5 -2.6 -42.9 -56 1 1 23 11 55 34 12 03 02 =2134+00 19 10 00 42.0 126.4 -2.5 -41.7 393 F 1 24 11 55 34 12 03 02 W75N 19 10 00 70.8 57.7 -1.5 -108.3 -64 1 1 24 12 03 02 12 47 55 --- 19 55 00 78.0 42.5 -0.7 -130.6 2629 F 1 35 12 03 02 12 47 55 J2355+4950 19 55 00 44.1 51.1 -4.0 -86.1 -74 1 1 35 12 47 55 12 55 24 =2352+495 20 02 30 45.3 51.2 -3.9 -87.5 375 F 1 37 12 47 55 12 55 24 J2136+0041 20 02 30 49.8 141.6 -1.6 -30.9 -66 1 1 37 12 55 24 13 02 53 =2134+00 20 10 00 50.7 144.1 -1.5 -29.0 383 F 1 39 12 55 24 13 02 53 W75N 20 10 00 79.9 31.9 -0.5 -143.6 -81 1 1 39 13 02 53 13 47 45 --- 20 55 00 81.1 -19.4 0.3 158.0 2612 F 1 50 13 02 53 13 47 45 J2355+4950 20 55 00 53.7 50.6 -3.0 -98.0 -61 1 1 50 13 47 45 13 55 14 =2352+495 21 02 30 54.9 50.3 -2.9 -99.7 388 F 1 52 13 47 45 Schedule for VLBA_PT (Code Pt ) Page 3 TESTS.SOFTWARE.CORRELATOR.SPECTRA.W75N.4STOKES 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. Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Sat 26 Apr 2008 Day 117 --- 13 55 14 J2136+0041 21 02 30 55.5 164.6 -0.6 -12.7 -82 1 1 52 13 55 14 14 02 43 =2134+00 21 10 00 55.8 167.9 -0.5 -10.0 367 F 1 53 13 55 14 14 02 43 W75N 21 10 00 79.7 326.3 0.5 141.4 -112 1 1 53 14 02 43 14 47 35 --- 21 55 00 73.0 305.0 1.3 113.1 2581 F 1 64 14 02 43 14 47 35 J2355+4950 21 55 00 63.0 405.5 -2.0 -113.8 -73 1 1 64 14 47 35 14 55 04 =2352+495 22 02 30 64.1 404.4 -1.9 -116.3 376 F 1 66 14 47 35 14 55 04 J2136+0041 22 02 30 55.9 191.4 0.4 9.4 -148 1 1 66 14 55 04 15 02 33 =2134+00 22 10 00 55.6 194.7 0.5 12.1 301 F 1 68 14 55 04 15 02 33 W75N 22 10 00 70.4 301.9 1.5 107.6 -78 1 1 68 15 02 33 15 47 25 --- 22 55 00 62.3 297.7 2.3 96.1 2615 F 1 79 15 02 33 15 47 25 J2355+4950 22 55 00 70.9 390.9 -1.0 -138.8 -68 1 1 79 15 47 25 15 54 54 =2352+495 23 02 30 71.6 388.0 -0.9 -143.0 381 F 1 81 15 47 25 15 54 54 J2136+0041 23 02 30 50.9 215.3 1.4 28.5 -121 1 1 81 15 54 54 16 02 23 =2134+00 23 10 00 50.0 217.9 1.5 30.5 328 F 1 82 15 54 54 16 02 23 3C48 23 10 00 59.4 81.4 -2.5 -77.5 -97 1 1 82 16 02 23 16 12 21 --- 23 20 00 61.4 82.3 -2.3 -78.1 501 F 1 85 16 02 23 16 12 21 W75N 23 20 00 57.7 -62.9 2.7 91.3 -103 1 1 85 16 12 21 16 57 14 --- 00 05 00 49.5 -62.3 3.4 84.2 2590 F 1 96 16 12 21 16 57 14 J2355+4950 00 05 00 74.3 -5.6 0.2 172.8 -56 1 1 96 16 57 14 17 04 43 =2352+495 00 12 30 74.1 -10.0 0.3 167.1 393 F 1 97 16 57 14 17 04 43 J2136+0041 00 12 30 40.6 235.7 2.6 43.0 -170 1 1 97 17 04 43 17 12 12 =2134+00 00 20 00 39.3 237.5 2.7 44.1 279 F 1 99 17 04 43 17 12 12 W75N 00 20 00 46.7 298.2 3.7 82.0 -46 1 1 99 17 12 12 17 57 04 --- 01 05 00 38.6 300.3 4.4 75.8 2646 F 1 110 17 12 12 17 57 04 J2355+4950 01 05 00 69.9 326.0 1.2 134.2 -69 1 1 110 17 57 04 18 04 33 =2352+495 01 12 30 69.0 323.7 1.3 130.6 380 F 1 112 17 57 04 18 04 33 J2136+0041 01 12 30 29.6 248.3 3.6 50.1 -85 1 1 112 18 04 33 18 12 02 =2134+00 01 20 00 28.2 249.6 3.7 50.8 364 F 1 114 18 04 33 Schedule for VLBA_PT (Code Pt ) Page 4 TESTS.SOFTWARE.CORRELATOR.SPECTRA.W75N.4STOKES 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. Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Sat 26 Apr 2008 Day 117 --- 18 12 02 3C48 01 20 00 86.1 105.0 -0.3 -72.5 -122 1 1 114 18 12 02 18 22 00 --- 01 30 00 88.0 122.4 -0.1 -56.4 477 F 1 116 18 12 02 18 22 00 W75N 01 30 00 34.2 301.9 4.9 72.5 -126 1 1 116 18 22 00 19 06 53 --- 02 15 00 26.4 305.2 5.6 66.6 2567 F 1 127 18 22 00 19 06 53 J2355+4950 02 15 00 60.2 312.2 2.3 108.2 -74 1 1 127 19 06 53 19 14 21 =2352+495 02 22 30 59.0 311.5 2.4 106.2 375 F 1 129 19 06 53 19 14 21 J2136+0041 02 22 30 15.7 259.9 4.8 54.4 -93 1 1 129 19 14 21 19 21 50 =2134+00 02 30 00 14.2 261.0 4.9 54.7 356 F 1 131 19 14 21 19 21 50 W75N 02 30 00 23.9 306.5 5.9 64.6 -36 1 1 131 19 21 50 20 06 43 --- 03 15 00 16.6 310.7 6.6 58.4 2656 F 1 141 19 21 50 20 06 43 J2355+4950 03 15 00 50.7 308.9 3.3 94.0 -74 1 1 141 20 06 43 20 14 12 =2352+495 03 22 30 49.5 308.8 3.4 92.5 375 F 1 143 20 06 43 20 14 12 W75N 03 22 30 15.5 311.5 6.7 57.3 -74 1 1 143 20 14 12 20 21 40 --- 03 30 00 14.3 312.2 6.9 56.3 375 F 1 145 20 14 12 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: oh1612.18cm Matches group v20cm_2 in /home/filehost/cwalker/sched/catalogs/freq.dat FD filtered above 1760. SC filtered above 1740. Setup group: 6 Station: VLBA_PT Total bit rate: 32 Format: VLBA1:1 Bits per sample: 2 Sample rate: 2.000 Number of channels: 8 Speedup factor: 4.00 Disk used to record data. 1st LO= 2400.00 2400.00 2400.00 2400.00 2400.00 2400.00 2400.00 2400.00 Net SB= U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 2 3 4 5 6 7 8 BBC SB= L L L L L L L L IF = A C A C A C A C VLBA FE= 20cm omit 20cm omit VLBA Synth= 15.4 2.4 15.4 The following frequency sets based on this setup were used. Frequency Set: 6 Based on FREQ, BW, and/or DOPPLER in schedule. Used pcal sets: 1 LO sum= 1612.30 1612.30 1720.59 1720.59 1667.41 1667.41 1665.48 1665.48 BBC fr= 787.70 787.70 679.41 679.41 732.59 732.59 734.52 734.52 Bandwd= 0.125 0.125 0.125 0.125 0.125 0.125 0.125 0.125 The following pulse cal sets were used with this setup: Pulse cal detection set: 1 PCAL = OFF PCALXB1= S1 S2 S3 S4 S5 S6 S7 S8 PCALXB2= M1 M2 M3 M4 M5 M6 M7 M8 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, 18, 22, 26, 30 barrel=roll_off SOURCE LIST -- TESTS.SOFTWARE.CORRELATOR.SPECTRA.W75N.4STOKES 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) * W75N 20 36 49.997296 * 20 38 36.441000 20 38 54.167960 0.00 42 26 59.08576 * 42 37 35.49000 42 39 00.52560 0.00 From catalog imbedded in main SCHED input file. Doppler based on LSR frame and radio definition. Velocities: 6.00 6.00 10.00 10.00 10.00 10.00 6.00 6.00 7.106 scan hours, 281.754 baseline hours above horizon. J0137+3309 01 34 49.826430 * 01 37 41.299496 01 38 08.698972 0.90 0134+329 32 54 20.25964 * 33 09 35.13382 33 12 05.21926 0.91 * 3C48 /home/filehost/cwalker/sched/catalogs/sources.vlba J0137+33 VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro Doppler based on other sources. 0.332 scan hours, 12.176 baseline hours above horizon. J1642+3948 16 41 17.606231 * 16 42 58.809968 16 43 17.539296 0.26 1641+399 39 54 10.81494 * 39 48 36.99400 39 47 22.12718 0.40 * 3C345 /home/filehost/cwalker/sched/catalogs/sources.vlba J1642+39 VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro Doppler based on other sources. 0.166 scan hours, 5.942 baseline hours above horizon. * J2136+0041 21 34 05.207392 * 21 36 38.586327 21 37 04.254110 0.30 2134+00 00 28 25.08018 * 00 41 54.21301 00 44 01.08411 0.20 2134+004 /home/filehost/cwalker/sched/catalogs/sources.vlba J2136+00 VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro Doppler based on other sources. 1.122 scan hours, 32.580 baseline hours above horizon. * J2355+4950 23 52 37.783433 * 23 55 09.458145 23 55 33.160992 0.42 2352+495 49 33 26.79886 * 49 50 08.33952 49 52 44.84356 0.44 J2355+49 /home/filehost/cwalker/sched/catalogs/sources.vlba VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro Doppler based on other sources. 1.247 scan hours, 44.651 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) W75N 76.9 3C48 21.4 3C345 116.6 J2136+0041 70.6 J2355+4950 46.3 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