COVER INFORMATION Station: VLBA_MK (Code Mk ) Experiment: Highly polarized water masers in Orion KL Exp. Code: BH107E Schedule Version: 1.40 Processed by SCHED version: Release of 02 July 2002 PI: Shinji Horiuchi Address: Mail Stop 238-332, Jet Propulsion Laboratory 4800 Oak Grove Drive Pasadena, CA 91109 USA Phone: 818-354-4909 EMAIL: Shinji.Horiuchi@jpl.nasa.gov Fax: 818-393-6890 Phone during observation: 818-354-4909 Observing mode: 128-2-2 1cm Notes: Pulse cal OFF at all stations. 128-2-2. RCP/LCP 1cm VLBA 8h track. This schedule is to be used for both of the approved epochs. Schedule for VLBA_MK (Code Mk ) Page 2 Highly polarized water masers in Orion KL 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. TPStart: Tape motion start time. Frequencies are LO sum (band edge). 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) ---------------------------------------------------------------------------------------- --- Sun 31 Aug 2003 Day 243 --- Next scan frequencies: 22234.62 22234.62 22232.73 22232.73 Next BBC frequencies: 734.62 734.62 732.73 732.73 Next scan bandwidths: 1.00 1.00 1.00 1.00 09 35 51 3C454.3 21 50 39 74.5 101.0 -1.1 -74.1 0 1 1 0 09 35 51 09 45 51 --- 22 00 41 76.8 103.8 -0.9 -72.0 600 F 1 2001 10 39 50 0420-014 22 54 49 6.9 93.9 -5.5 -69.9 3093 1 1 2001 10 39 50 10 44 50 --- 22 59 50 8.1 94.4 -5.4 -69.8 300 F 1 3002 Next scan frequencies: 22242.52 22242.52 22229.91 22229.91 Next BBC frequencies: 742.52 742.52 729.91 729.91 11 13 50 0420-014 23 28 54 14.9 97.0 -4.9 -69.1 1720 1 1 3002 11 13 50 11 23 50 --- 23 38 56 17.2 97.9 -4.7 -68.8 600 F 1 5003 11 23 50 KL-H 23 38 56 -1.0 95.4 -5.9 D -70.2 -36 1 1 5003 11 23 50 11 41 50 --- 23 56 59 3.2 96.9 -5.6 -69.8 0 F 1 8603 Next scan frequencies: 22234.62 22234.62 22232.73 22232.73 Next BBC frequencies: 734.62 734.62 732.73 732.73 11 41 50 0420-014 23 56 59 21.4 99.7 -4.4 -68.1 -42 1 1 8603 11 41 50 11 46 50 --- 00 02 00 22.6 100.2 -4.4 -67.9 258 F 1 9604 11 48 50 KL-B 00 04 00 4.9 97.5 -5.5 -69.5 78 1 1 9604 11 48 50 12 13 50 --- 00 29 04 10.7 99.7 -5.1 -68.7 1500 F 1 14603 Next scan frequencies: 22235.47 22235.47 22233.69 22233.69 Next BBC frequencies: 735.47 735.47 733.69 733.69 12 15 49 3C84 00 31 04 48.3 49.1 -2.8 -108.2 39 1 1 14603 12 15 49 12 20 50 --- 00 36 05 49.1 48.6 -2.7 -109.4 300 F 1 15604 12 22 49 KL-IRC2 00 38 05 12.8 100.6 -5.0 -68.3 41 1 2 15604 12 22 49 12 47 49 --- 01 03 09 18.6 103.0 -4.5 -67.0 1500 R 1 14596 Next scan frequencies: 22234.62 22234.62 22232.73 22232.73 Next BBC frequencies: 734.62 734.62 732.73 732.73 12 49 49 0420-014 01 05 09 37.0 107.6 -3.3 -63.8 77 1 2 14596 12 49 49 12 59 49 --- 01 15 11 39.3 109.0 -3.1 -62.8 600 R 1 12595 Schedule for VLBA_MK (Code Mk ) Page 3 Highly polarized water masers in Orion KL 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. TPStart: Tape motion start time. Frequencies are LO sum (band edge). 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) ---------------------------------------------------------------------------------------- --- Sun 31 Aug 2003 Day 243 --- 12 59 49 KL-B 01 15 11 21.3 104.3 -4.3 -66.3 -42 1 2 12595 12 59 49 13 17 49 --- 01 33 14 25.4 106.3 -4.0 -65.1 1038 R 1 8995 Next scan frequencies: 22242.52 22242.52 22229.91 22229.91 Next BBC frequencies: 742.52 742.52 729.91 729.91 13 17 49 3C84 01 33 14 58.6 40.3 -1.8 -125.7 -72 1 2 8995 13 17 49 13 22 49 --- 01 38 15 59.4 39.2 -1.7 -127.4 228 R 1 7994 13 24 49 KL-H 01 40 15 27.0 107.2 -3.9 -64.6 49 1 2 7994 13 24 49 13 49 49 --- 02 05 19 32.6 110.4 -3.5 -62.4 1500 R 1 2995 Next scan frequencies: 22234.62 22234.62 22232.73 22232.73 Next BBC frequencies: 734.62 734.62 732.73 732.73 13 51 49 3C84 02 07 19 63.4 31.4 -1.2 -139.1 52 1 2 2995 13 51 49 13 56 49 --- 02 12 20 64.0 29.8 -1.1 -141.4 300 R 1 1994 13 58 48 KL-B 02 14 20 34.5 111.6 -3.4 -61.5 55 1 1 1994 13 58 48 14 23 48 --- 02 39 24 40.0 115.6 -2.9 -58.5 1500 F 2 3005 Next scan frequencies: 22235.47 22235.47 22233.69 22233.69 Next BBC frequencies: 735.47 735.47 733.69 733.69 14 25 48 0420-014 02 41 24 57.3 127.3 -1.7 -48.5 79 1 1 3005 14 25 48 14 35 48 --- 02 51 26 59.1 130.5 -1.5 -45.7 600 F 2 5007 14 35 48 KL-IRC2 02 51 26 42.5 117.7 -2.7 -56.8 -39 1 1 5007 14 35 48 14 53 48 --- 03 09 29 46.2 121.2 -2.4 -53.9 1041 F 2 8607 Next scan frequencies: 22234.62 22234.62 22232.73 22232.73 Next BBC frequencies: 734.62 734.62 732.73 732.73 14 53 48 0420-014 03 09 29 62.2 137.3 -1.2 -39.7 -38 1 1 8607 14 53 48 14 58 49 --- 03 14 30 62.9 139.4 -1.1 -37.8 262 F 2 9607 15 00 48 KL-B 03 16 30 47.6 122.8 -2.3 -52.6 83 1 1 9607 15 00 48 15 25 48 --- 03 41 34 52.4 129.0 -1.9 -47.2 1500 F 2 14607 Schedule for VLBA_MK (Code Mk ) Page 4 Highly polarized water masers in Orion KL 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. TPStart: Tape motion start time. Frequencies are LO sum (band edge). 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) ---------------------------------------------------------------------------------------- --- Sun 31 Aug 2003 Day 243 --- Next scan frequencies: 22242.52 22242.52 22229.91 22229.91 Next BBC frequencies: 742.52 742.52 729.91 729.91 15 27 48 0420-014 03 43 34 66.7 154.0 -0.7 -24.3 85 1 1 14607 15 27 48 15 32 48 --- 03 48 35 67.2 157.0 -0.6 -21.6 300 F 2 15608 15 34 48 KL-H 03 50 35 54.0 131.6 -1.7 -44.9 87 1 2 15608 15 34 48 15 59 48 --- 04 15 39 58.1 140.0 -1.3 -37.4 1500 R 2 14593 Next scan frequencies: 22234.62 22234.62 22232.73 22232.73 Next BBC frequencies: 734.62 734.62 732.73 732.73 16 02 47 4C39.25 04 18 39 22.1 54.8 -5.1 -81.8 101 1 2 14593 16 02 47 16 12 47 --- 04 28 41 24.0 55.1 -5.0 -83.3 600 R 2 12592 16 15 47 KL-B 04 31 41 60.4 146.5 -1.1 -31.5 101 1 2 12592 16 15 47 16 29 47 --- 04 45 43 62.0 152.8 -0.8 -25.5 840 R 2 9793 Next scan frequencies: 22235.47 22235.47 22233.69 22233.69 Next BBC frequencies: 735.47 735.47 733.69 733.69 16 29 47 0420-014 04 45 43 68.2 195.1 0.4 14.2 -34 1 2 9793 16 29 47 16 34 47 --- 04 50 44 67.8 198.4 0.5 17.2 266 R 2 8792 16 36 47 KL-IRC2 04 52 44 62.7 156.3 -0.7 -22.3 86 1 2 8792 16 36 47 17 01 46 --- 05 17 48 64.5 169.8 -0.3 -9.6 1500 R 2 3792 Next scan frequencies: 22242.52 22242.52 22229.91 22229.91 Next BBC frequencies: 742.52 742.52 729.91 729.91 17 03 46 3C84 05 19 48 56.6 317.2 2.0 121.4 15 1 2 3792 17 03 46 17 08 46 --- 05 24 49 55.8 316.4 2.1 119.9 300 R 2 2792 17 10 46 KL-H 05 26 49 64.7 175.0 -0.1 -4.7 19 1 1 2792 17 10 46 17 30 46 --- 05 46 52 64.7 186.7 0.2 6.3 1200 F 3 1207 Next scan frequencies: 22234.62 22234.62 22232.73 22232.73 Next BBC frequencies: 734.62 734.62 732.73 732.73 17 32 45 0605-085 05 48 52 61.2 170.1 -0.3 -9.5 103 1 1 1207 17 32 45 17 37 45 --- 05 53 53 61.4 172.6 -0.2 -7.0 300 F 3 2208 Schedule for VLBA_MK (Code Mk ) Page 5 Highly polarized water masers in Orion KL 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. TPStart: Tape motion start time. Frequencies are LO sum (band edge). 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) ---------------------------------------------------------------------------------------- --- Sun 31 Aug 2003 Day 243 --- 17 39 45 KL-B 05 55 53 64.3 191.8 0.3 11.2 101 1 1 2208 17 39 45 17 51 45 --- 06 07 55 63.6 198.5 0.5 17.4 720 F 3 4608 17 53 45 4C39.25 06 09 55 43.6 54.5 -3.3 -99.8 18 1 1 4608 17 53 45 17 58 45 --- 06 14 56 44.6 54.2 -3.2 -100.7 300 F 3 5609 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: bh107.set Matches group v1cm_b3 in /home/filehost/cwalker/sched/catalogs/freq.dat Setup group: 1 Station: VLBA Total bit rate: 16 Format: VLBA1:1 Bits per sample: 2 Sample rate: 2.000 Number of channels: 4 Passes/head pos: 4 Speedup factor: 4.00 Tape speeds: Low density - 66.665 ips, High density - 40.00 ips Time per pass for 17600 ft, High density tapes is: 01:28:00 1st LO= 21500.00 21500.00 21500.00 21500.00 Net SB= U U U U Pol. = RCP LCP RCP LCP BBC = 1 2 3 4 BBC SB= U U U U IF = B D B D VLBA FE= omit 1cm omit 1cm VLBA Synth= 9.1 15.4 12.4 The following frequency sets based on this setup were used. Frequency Set: 1 Based on FREQ, BW, and/or DOPPLER in schedule. Used pcal sets: 1 LO sum= 22234.62 22234.62 22232.73 22232.73 BBC fr= 734.62 734.62 732.73 732.73 Bandwd= 1.000 1.000 1.000 1.000 Frequency Set: 2 Based on FREQ, BW, and/or DOPPLER in schedule. Used pcal sets: 1 LO sum= 22235.47 22235.47 22233.69 22233.69 BBC fr= 735.47 735.47 733.69 733.69 Bandwd= 1.000 1.000 1.000 1.000 Frequency Set: 3 Based on FREQ, BW, and/or DOPPLER in schedule. Used pcal sets: 1 LO sum= 22242.52 22242.52 22229.91 22229.91 BBC fr= 742.52 742.52 729.91 729.91 Bandwd= 1.000 1.000 1.000 1.000 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 track2= 18, 22, 26, 30 track3= 3, 7, 11, 15 track4= 19, 23, 27, 31 barrel=roll_auto SOURCE LIST -- Highly polarized water masers in Orion KL 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). Source Source position (RA/Dec) (B1950) (J2000) (Date) * KL-B * 05 32 46.640000 05 35 14.117579 05 35 23.779689 *-05 24 29.80000 -05 22 36.34251 -05 22 13.98466 From catalog imbedded in main SCHED input file. * KL-IRC2 * 05 32 47.048000 05 35 14.533605 05 35 24.196223 *-05 24 05.00000 -05 22 11.57236 -05 21 49.21862 From catalog imbedded in main SCHED input file. * KL-H * 05 32 46.640000 05 35 14.117579 05 35 23.779689 *-05 24 29.80000 -05 22 36.34251 -05 22 13.98466 From catalog imbedded in main SCHED input file. J0319+4130 03 16 29.567273 * 03 19 48.160103 03 20 01.956031 0316+413 41 19 51.91592 * 41 30 42.10305 41 31 24.09771 * 3C84 /home/filehost/cwalker/sched/catalogs/sources.vlba J0319+41 ICRF - Ext.1 Source - 1998 IERS Annual Report J0423-0120 04 20 43.539850 * 04 23 15.800727 04 23 26.182083 * 0420-014 -01 27 28.70002 *-01 20 33.06531 -01 19 51.82915 J0423-01 /home/filehost/cwalker/sched/catalogs/sources.vlba ICRF - Ext.1 Source - 1998 IERS Annual Report J0607-0834 06 05 36.027971 * 06 07 59.699242 06 08 08.923197 * 0605-085 -08 34 20.29737 *-08 34 49.97815 -08 34 36.51576 J0607-08 /home/filehost/cwalker/sched/catalogs/sources.vlba ICRF - Ext.1 Source - 1998 IERS Annual Report J0927+3902 09 23 55.319195 * 09 27 03.013916 09 27 14.434731 0923+392 39 15 23.56655 * 39 02 20.85195 39 01 33.73567 * 4C39.25 /home/filehost/cwalker/sched/catalogs/sources.vlba J0927+39 ICRF - Ext.1 Source - 1998 IERS Annual Report J1229+0203 12 26 33.245833 * 12 29 06.699729 12 29 16.068556 1226+023 02 19 43.30569 * 02 03 08.59819 02 02 08.07129 * 3C273 /home/filehost/cwalker/sched/catalogs/sources.vlba 3C273B ICRF - Ext.1 Source - 1998 IERS Annual Report J1229+02 J2253+1608 22 51 29.519733 * 22 53 57.747932 22 54 09.022909 2251+158 15 52 54.34806 * 16 08 53.56089 16 10 03.84483 * 3C454.3 /home/filehost/cwalker/sched/catalogs/sources.vlba J2253+16 ICRF - Ext.1 Source - 1998 IERS Annual Report 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) KL-B 76.7 KL-IRC2 76.7 KL-H 76.7 3C84 98.4 0420-014 93.7 0605-085 69.3 4C39.25 34.2 3C273 28.5 3C454.3 154.8 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