COVER INFORMATION Station: VLBA_KP (Code Kp ) 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_KP (Code Kp ) 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 16 02 48.9 60.0 -3.4 -87.8 0 1 1 0 10 21 59 10 38 16 --- 17 31 02 51.7 60.1 -3.1 -90.3 898 F 1 4 10 22 34 10 38 16 J2355+4950 17 31 02 20.3 43.1 -6.4 -64.1 -69 1 1 4 10 38 16 10 45 45 =2352+495 17 38 32 21.4 43.6 -6.3 -65.3 380 F 1 6 10 38 16 10 45 45 J2136+0041 17 38 32 25.8 106.6 -4.0 -54.4 -48 1 1 6 10 45 45 10 53 14 =2134+00 17 46 02 27.3 107.8 -3.9 -53.9 401 F 1 8 10 45 45 10 53 14 3C345 17 46 02 75.1 -53.9 1.0 116.8 -114 1 1 8 10 53 14 11 03 12 --- 17 56 02 73.4 -56.9 1.2 112.4 485 F 1 10 10 53 14 11 03 12 W75N 17 56 02 56.3 59.8 -2.7 -94.8 -84 1 1 10 11 03 12 11 48 05 --- 18 41 02 64.4 56.9 -2.0 -104.9 2609 F 1 21 11 03 12 11 48 05 J2355+4950 18 41 02 30.8 47.4 -5.2 -75.6 -73 1 1 21 11 48 05 11 55 34 =2352+495 18 48 32 32.0 47.7 -5.1 -76.9 376 F 1 23 11 48 05 11 55 34 J2136+0041 18 48 32 39.5 119.6 -2.8 -47.5 -54 1 1 23 11 55 34 12 03 02 =2134+00 18 56 02 40.9 121.3 -2.7 -46.5 395 F 1 24 11 55 34 12 03 02 W75N 18 56 02 67.0 54.9 -1.7 -109.3 -58 1 1 24 12 03 02 12 47 55 --- 19 41 02 74.3 42.9 -1.0 -128.3 2634 F 1 35 12 03 02 12 47 55 J2355+4950 19 41 02 40.4 49.3 -4.2 -86.0 -74 1 1 35 12 47 55 12 55 24 =2352+495 19 48 32 41.6 49.4 -4.1 -87.4 375 F 1 37 12 47 55 12 55 24 J2136+0041 19 48 32 49.6 135.3 -1.8 -36.7 -63 1 1 37 12 55 24 13 02 53 =2134+00 19 56 02 50.7 137.6 -1.7 -34.9 386 F 1 39 12 55 24 13 02 53 W75N 19 56 02 76.3 35.4 -0.7 -138.0 -74 1 1 39 13 02 53 13 47 45 --- 20 41 02 79.3 -2.1 0.0 177.6 2618 F 1 50 13 02 53 13 47 45 J2355+4950 20 41 02 50.0 48.8 -3.2 -97.8 -65 1 1 50 13 47 45 13 55 14 =2352+495 20 48 32 51.2 48.5 -3.1 -99.5 384 F 1 52 13 47 45 Schedule for VLBA_KP (Code Kp ) 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 20 48 32 56.7 157.5 -0.8 -19.0 -79 1 1 52 13 55 14 14 02 43 =2134+00 20 56 02 57.3 160.7 -0.7 -16.2 370 F 1 53 13 55 14 14 02 43 W75N 20 56 02 78.8 -16.4 0.3 161.0 -124 1 1 53 14 02 43 14 47 35 --- 21 41 02 73.7 -44.6 1.0 125.9 2569 F 1 64 14 02 43 14 47 35 J2355+4950 21 41 02 59.3 44.4 -2.2 -113.0 -65 1 1 64 14 47 35 14 55 04 =2352+495 21 48 32 60.4 43.4 -2.1 -115.3 383 F 1 66 14 47 35 14 55 04 J2136+0041 21 48 32 58.7 185.5 0.2 4.7 -101 1 1 66 14 55 04 15 02 33 =2134+00 21 56 02 58.5 189.1 0.3 7.7 348 F 1 68 14 55 04 15 02 33 W75N 21 56 02 71.4 310.5 1.3 118.7 -87 1 1 68 15 02 33 15 47 25 --- 22 41 02 63.7 302.7 2.0 103.8 2606 F 1 79 15 02 33 15 47 25 J2355+4950 22 41 02 67.3 392.3 -1.2 -135.3 -66 1 1 79 15 47 25 15 54 54 =2352+495 22 48 32 68.2 390.0 -1.1 -138.9 383 F 1 81 15 47 25 15 54 54 J2136+0041 22 48 32 54.5 211.9 1.2 26.6 -125 1 1 81 15 54 54 16 02 23 =2134+00 22 56 02 53.6 214.7 1.3 28.9 324 F 1 82 15 54 54 16 02 23 3C48 22 56 02 56.0 76.8 -2.7 -80.8 -98 1 1 82 16 02 23 16 12 21 --- 23 06 02 58.1 77.3 -2.5 -81.6 500 F 1 85 16 02 23 16 12 21 W75N 23 06 02 59.1 -59.1 2.5 98.0 -97 1 1 85 16 12 21 16 57 14 --- 23 51 02 50.9 -60.1 3.2 89.6 2596 F 1 96 16 12 21 16 57 14 J2355+4950 23 51 02 72.1 2.4 -0.1 -176.9 -48 1 1 96 16 57 14 17 04 43 =2352+495 23 58 32 72.1 -1.6 0.0 178.0 400 F 1 97 16 57 14 17 04 43 J2136+0041 23 58 32 44.3 234.0 2.4 43.3 -163 1 1 97 17 04 43 17 12 12 =2134+00 00 06 02 43.0 235.8 2.5 44.6 286 F 1 99 17 04 43 17 12 12 W75N 00 06 02 48.1 300.0 3.5 87.1 -49 1 1 99 17 12 12 17 57 04 --- 00 51 02 39.9 301.3 4.2 80.3 2644 F 1 110 17 12 12 17 57 04 J2355+4950 00 51 02 69.3 334.1 0.9 144.8 -65 1 1 110 17 57 04 18 04 33 =2352+495 00 58 32 68.6 331.4 1.0 140.9 384 F 1 112 17 57 04 18 04 33 J2136+0041 00 58 32 33.2 247.0 3.4 51.4 -77 1 1 112 18 04 33 18 12 02 =2134+00 01 06 02 31.8 248.4 3.5 52.1 372 F 1 114 18 04 33 Schedule for VLBA_KP (Code Kp ) 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 06 02 83.1 77.4 -0.5 -98.2 -120 1 1 114 18 12 02 18 22 00 --- 01 16 02 85.2 73.6 -0.4 -103.5 478 F 1 116 18 12 02 18 22 00 W75N 01 16 02 35.4 -57.6 4.6 76.8 -106 1 1 116 18 22 00 19 06 53 --- 02 01 02 27.5 -54.9 5.4 70.6 2587 F 1 127 18 22 00 19 06 53 J2355+4950 02 01 02 60.6 -43.2 2.1 115.7 -72 1 1 127 19 06 53 19 14 21 =2352+495 02 08 32 59.5 -44.2 2.2 113.4 376 F 1 129 19 06 53 19 14 21 J2136+0041 02 08 32 19.1 258.5 4.5 56.2 -208 1 1 129 19 14 21 19 21 50 =2134+00 02 16 02 17.5 259.6 4.6 56.6 241 F 1 131 19 14 21 19 21 50 W75N 02 16 02 24.9 306.2 5.6 68.5 -37 1 1 131 19 21 50 20 06 43 --- 03 01 02 17.4 309.9 6.4 62.2 2656 F 1 141 19 21 50 20 06 43 J2355+4950 03 01 02 51.4 311.6 3.1 99.8 -74 1 1 141 20 06 43 20 14 12 =2352+495 03 08 32 50.2 311.3 3.2 98.2 375 F 1 143 20 06 43 20 14 12 W75N 03 08 32 16.2 310.6 6.5 61.2 -74 1 1 143 20 14 12 20 21 40 --- 03 16 02 14.9 311.3 6.6 60.1 375 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: 7 Station: VLBA_KP 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: 7 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