COVER INFORMATION Station: VLBA_MK (Code Mk ) Experiment: Tracking the Proper Motions of Water Masers in PN K3-35 Exp. Code: BG135C Schedule Version: 1.00 Processed by SCHED version: Release of 18 Sept. 2003 PI: Yolanda Gomez Address: Instituto de Astronomia, UNAM 58190 Morelia, Michoacan Mexico Phone: 52-4433222745 EMAIL: y.gomez@astrosmo.unam.mx Fax: 52-4433222726 Phone during observation: Observing mode: Notes: May also forward questions to N. Patel, 617 496 7649, npatel@cfa Schedule for VLBA_MK (Code Mk ) Page 2 Tracking the Proper Motions of Water Masers in PN K3-35 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 21 Dec 2003 Day 355 --- Next scan frequencies: 22230.20 22230.20 Next BBC frequencies: 730.20 730.20 Next scan bandwidths: 8.00 8.00 17 08 02 K3-35 12 45 39 -2.1 66.2 -6.7 D -67.8 0 1 1 0 17 08 02 17 27 59 --- 13 05 39 2.3 67.9 -6.4 -69.6 0 F 1 7978 17 27 59 K3-35 13 05 39 2.3 67.9 -6.4 -69.6 -4 1 1 7978 17 27 59 17 47 56 --- 13 25 39 6.6 69.5 -6.0 -71.3 1193 F 1 15956 17 50 25 J1929+2325 13 28 09 7.5 67.7 -6.0 -71.6 142 1 2 15956 17 50 25 18 00 24 =1926+233 13 38 09 9.7 68.5 -5.9 -72.5 598 R 1 15255 18 00 24 K3-35 13 38 09 9.4 70.4 -5.8 -72.3 -7 1 2 15255 18 00 24 18 20 20 --- 13 58 09 13.9 71.8 -5.5 -73.9 1189 R 1 7276 18 20 20 K3-35 13 58 09 13.9 71.8 -5.5 -73.9 -4 1 1 7276 18 20 20 18 40 17 --- 14 18 09 18.3 73.1 -5.2 -75.3 1193 F 2 702 18 42 47 J1929+2325 14 20 39 19.1 71.2 -5.1 -76.1 142 1 1 702 18 42 47 18 52 45 =1926+233 14 30 39 21.3 71.7 -5.0 -76.9 598 F 2 4691 18 52 45 K3-35 14 30 39 21.2 73.8 -5.0 -76.2 -7 1 1 4691 18 52 45 19 12 42 --- 14 50 39 25.7 75.0 -4.6 -77.6 1189 F 2 12669 19 12 42 K3-35 14 50 39 25.7 75.0 -4.6 -77.6 -4 1 2 12669 19 12 42 19 32 38 --- 15 10 39 30.2 76.0 -4.3 -78.9 1193 R 2 14553 19 35 08 J1925+2106 15 13 09 31.1 76.7 -4.2 -79.0 142 1 2 14553 19 35 08 19 45 06 =1923+210 15 23 09 33.4 77.2 -4.0 -79.6 598 R 2 10564 19 45 06 K3-35 15 23 09 33.1 76.7 -4.1 -79.8 -6 1 2 10564 19 45 06 20 05 03 --- 15 43 09 37.7 77.6 -3.7 -81.0 1190 R 2 2586 20 05 03 K3-35 15 43 09 37.7 77.6 -3.7 -81.0 -4 1 3 2586 20 05 03 20 25 00 --- 16 03 09 42.3 78.5 -3.4 -82.3 1193 F 1 5392 20 27 29 J1925+2106 16 05 39 43.2 79.2 -3.3 -82.2 142 1 3 5392 20 27 29 20 37 28 =1923+210 16 15 39 45.5 79.6 -3.2 -82.8 598 F 1 9382 20 37 28 K3-35 16 15 39 45.2 79.0 -3.2 -83.1 -6 1 3 9382 20 37 28 20 57 24 --- 16 35 39 49.8 79.8 -2.9 -84.4 1190 F 1 17360 Schedule for VLBA_MK (Code Mk ) Page 3 Tracking the Proper Motions of Water Masers in PN K3-35 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 21 Dec 2003 Day 355 --- 20 57 24 K3-35 16 35 39 49.8 79.8 -2.9 -84.4 -4 1 4 17360 20 57 24 21 17 21 --- 16 55 39 54.4 80.4 -2.5 -85.7 1193 R 1 9382 21 19 51 BLLAC 16 58 09 23.2 51.4 -5.1 -83.8 81 1 4 9382 21 19 51 21 29 49 --- 17 08 09 25.1 51.6 -4.9 -85.4 598 R 1 5392 21 29 49 K3-35 17 08 09 57.3 80.8 -2.3 -86.6 -71 1 3 5392 21 29 49 21 49 46 --- 17 28 09 62.0 81.2 -2.0 -88.0 1126 F 2 2586 21 49 46 K3-35 17 28 09 62.0 81.2 -2.0 -88.0 -4 1 3 2586 21 49 46 22 09 43 --- 17 48 09 66.6 81.4 -1.7 -89.7 1193 F 2 10564 22 12 12 3C345 17 50 39 65.3 -32.3 1.1 139.1 68 1 3 10564 22 12 12 22 22 11 --- 18 00 39 64.0 -35.6 1.3 134.6 598 F 2 14553 22 22 11 K3-35 18 00 39 69.5 81.4 -1.5 -90.8 -84 1 4 14553 22 22 11 22 42 07 --- 18 20 39 74.2 80.9 -1.1 -93.2 1113 R 2 12669 22 42 07 K3-35 18 20 39 74.2 80.9 -1.1 -93.2 -4 1 4 12669 22 42 07 23 02 04 --- 18 40 39 78.8 79.2 -0.8 -96.7 1193 R 2 4691 23 04 34 3C345 18 43 09 57.4 -45.6 2.0 119.0 60 1 4 4691 23 04 34 23 14 32 --- 18 53 09 55.7 -47.2 2.2 116.1 598 R 2 702 23 14 32 K3-35 18 53 09 81.7 76.6 -0.6 -100.3 -89 1 5 702 23 14 32 23 34 29 --- 19 13 09 86.2 63.0 -0.2 -115.7 1108 F 1 7276 23 34 29 K3-35 19 13 09 86.2 63.0 -0.2 -115.7 -4 1 5 7276 23 34 29 23 54 25 --- 19 33 09 87.9 -35.7 0.1 143.8 1193 F 1 15255 --- Start: Sun 21 Dec 2003 Day 355 -- Stop: Mon 22 Dec 2003 Day 356 --- 23 56 55 J1925+2106 19 35 39 87.4 -59.1 0.2 120.1 128 1 6 15255 23 56 55 00 03 54 =1923+210 19 42 39 85.9 -70.5 0.3 108.0 419 R 1 17153 00 03 54 K3-35 19 42 39 86.1 -63.1 0.2 115.6 -11 1 6 17153 00 03 54 00 28 50 --- 20 07 39 80.5 -77.9 0.7 98.6 1485 R 1 7180 00 28 50 K3-35 20 07 39 80.5 -77.9 0.7 98.6 -4 1 5 7180 00 28 50 00 53 46 --- 20 32 39 74.8 -80.7 1.1 93.5 1492 F 2 2792 00 56 15 J1925+2106 20 35 09 73.8 -82.4 1.2 91.6 142 1 5 2792 00 56 15 01 03 14 =1923+210 20 42 09 72.2 -82.5 1.3 90.8 419 F 2 5585 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: bg135.set Matches group v1cm_b3 in /home/filehost/cwalker/sched/catalogs/freq.dat Setup group: 1 Station: VLBA Total bit rate: 64 Format: VLBA1:4 Bits per sample: 2 Sample rate: 16.000 Number of channels: 2 Passes/head pos: 2 Speedup factor: 2.00 Tape speeds: Low density - 133.330 ips, High density - 80.00 ips Time per pass for 17600 ft, High density tapes is: 00:44:00 1st LO= 21500.00 21500.00 Net SB= U U Pol. = RCP LCP BBC = 1 2 BBC SB= U U IF = 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= 22230.20 22230.20 BBC fr= 730.20 730.20 Bandwd= 8.000 8.000 The following pulse cal sets were used with this setup: Pulse cal detection set: 1 PCAL = OFF PCALXB1= S1 S2 OFF OFF OFF OFF OFF OFF PCALXB2= M1 M2 OFF OFF 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, 18 track2= 3, 19 barrel=roll_auto SOURCE LIST -- Tracking the Proper Motions of Water Masers in PN K3-35 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) * K3-35 19 25 34.629195 * 19 27 44.023800 19 27 52.194334 21 23 53.49927 * 21 30 03.45200 21 30 29.16583 From catalog imbedded in main SCHED input file. Doppler based on LSR frame and radio definition. Velocities: 20.00 20.00 J1642+3948 16 41 17.606214 * 16 42 58.809952 16 43 04.712329 1641+399 39 54 10.81489 * 39 48 36.99395 39 48 03.04129 * 3C345 /home/filehost/cwalker/sched/catalogs/sources.vlba J1642+39 ICRF - Ext.1 Source - 1998 IERS Annual Report Doppler based on other sources. * J1925+2106 19 23 49.792406 * 19 25 59.605370 19 26 07.808470 1923+210 21 00 23.30510 * 21 06 26.16218 21 06 51.23232 J1925+21 /home/filehost/cwalker/sched/catalogs/sources.vlba ICRF - Ext.1 Source - 1998 IERS Annual Report Doppler based on other sources. * J1929+2325 19 26 57.555965 * 19 29 04.575956 19 29 12.548065 1926+233 23 19 13.79996 * 23 25 29.27929 23 25 55.69855 /home/filehost/cwalker/sched/catalogs/sources.vlba VLBA Calib. Survey - ICRF Frame - reduced by GSFC group - Aug 2001 Doppler based on other sources. J2202+4216 22 00 39.362511 * 22 02 43.291378 22 02 51.303958 2200+420 42 02 08.59080 * 42 16 39.97994 42 17 54.53460 * BLLAC /home/filehost/cwalker/sched/catalogs/sources.vlba J2202+42 ICRF - Ext.1 Source - 1998 IERS Annual Report VR42220 Doppler based on other sources. 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) K3-35 50.0 3C345 65.6 J1925+2106 49.4 J1929+2325 51.8 BLLAC 86.6 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