COVER INFORMATION Station: VLBA_MK (Code Mk ) Experiment: BE025A - First run of H2O Masers in V778Cyg Exp. Code: BE025A Schedule Version: 1.00 Processed by SCHED version: Release of 02 July 2002 PI: D. Engels Address: Hamburger Sternwarte Gojenbergsweg 112 D-21029 Hamburg, Germany Phone: +49-40-42891 4136 EMAIL: dengels@hs.uni-hamburg.de Fax: +49-40-42891 4198 Phone during observation: +49-40-42891 4136 Observing mode: Line Notes: **** VLBA dynamic sched with 64 Mbits/sec **** **** Do NOT substitute PT with Y1 **** **** Avoid too hot, humide days **** Schedule for VLBA_MK (Code Mk ) Page 2 BE025A - First run of H2O Masers in V778Cyg 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 12 Jan 2003 Day 12 --- Next scan frequencies: 22232.84 22232.84 Next BBC frequencies: 732.84 732.84 Next scan bandwidths: 8.00 8.00 16 15 29 V778CYG 13 20 39 8.2 28.5 -7.3 -64.1 0 1 1 0 16 15 29 16 26 27 --- 13 31 39 9.4 29.0 -7.1 -66.4 658 F 1 4388 16 26 27 V778CYG 13 31 39 9.4 29.0 -7.1 -66.4 -6 1 1 4388 16 26 27 16 37 26 --- 13 42 39 10.7 29.6 -6.9 -68.7 652 F 1 8776 16 37 26 V778CYG 13 42 39 10.7 29.6 -6.9 -68.7 -6 1 1 8776 16 37 26 16 48 24 --- 13 53 39 12.0 30.1 -6.7 -71.0 652 F 1 13164 16 48 24 V778CYG 13 53 39 12.0 30.1 -6.7 -71.0 -6 1 1 13164 16 48 24 16 59 22 --- 14 04 39 13.3 30.5 -6.5 -73.2 652 F 1 17552 16 59 22 J2022+61 14 04 39 15.3 29.4 -6.3 -76.6 -10 1 2 17552 16 59 22 17 10 20 --- 14 15 39 16.6 29.7 -6.1 -78.9 648 R 1 13164 17 10 20 V778CYG 14 15 39 14.6 30.9 -6.3 -75.5 -10 1 2 13164 17 10 20 17 21 18 --- 14 26 39 15.9 31.2 -6.2 -77.8 648 R 1 8776 17 21 18 V778CYG 14 26 39 15.9 31.2 -6.2 -77.8 -6 1 2 8776 17 21 18 17 32 17 --- 14 37 39 17.3 31.5 -6.0 -80.1 652 R 1 4388 17 32 17 V778CYG 14 37 39 17.3 31.5 -6.0 -80.1 -6 1 2 4388 17 32 17 17 43 15 --- 14 48 39 18.6 31.7 -5.8 -82.5 652 R 1 0 17 45 15 3C345 14 50 39 58.7 44.2 -1.9 -121.5 34 1 1 0 17 45 15 17 56 13 --- 15 01 39 60.5 41.9 -1.7 -125.2 658 F 2 4388 17 56 13 V778CYG 15 01 39 20.2 31.9 -5.6 -85.2 -86 1 1 4388 17 56 13 18 07 11 --- 15 12 39 21.6 32.0 -5.4 -87.6 572 F 2 8776 18 07 11 V778CYG 15 12 39 21.6 32.0 -5.4 -87.6 -6 1 1 8776 18 07 11 18 18 09 --- 15 23 39 23.0 32.0 -5.2 -89.9 652 F 2 13164 18 18 09 V778CYG 15 23 39 23.0 32.0 -5.2 -89.9 -6 1 1 13164 18 18 09 18 29 07 --- 15 34 39 24.3 32.0 -5.0 -92.3 652 F 2 17552 18 29 07 J2022+61 15 34 39 25.9 30.1 -4.8 -96.2 -9 1 2 17552 18 29 07 18 40 06 --- 15 45 39 27.2 30.0 -4.6 -98.7 649 R 2 13164 Schedule for VLBA_MK (Code Mk ) Page 3 BE025A - First run of H2O Masers in V778Cyg 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 12 Jan 2003 Day 12 --- 18 40 06 V778CYG 15 45 39 25.7 31.9 -4.8 -94.8 -9 1 2 13164 18 40 06 18 51 04 --- 15 56 39 27.1 31.7 -4.7 -97.2 649 R 2 8776 18 51 04 V778CYG 15 56 39 27.1 31.7 -4.7 -97.2 -6 1 2 8776 18 51 04 19 02 02 --- 16 07 39 28.4 31.5 -4.5 -99.7 652 R 2 4388 19 02 02 V778CYG 16 07 39 28.4 31.5 -4.5 -99.7 -6 1 2 4388 19 02 02 19 13 00 --- 16 18 39 29.8 31.2 -4.3 -102.2 652 R 2 0 19 13 00 V778CYG 16 18 39 29.8 31.2 -4.3 -102.2 -6 1 3 0 19 13 00 19 23 58 --- 16 29 39 31.1 30.8 -4.1 -104.8 652 F 1 4388 19 23 58 V778CYG 16 29 39 31.1 30.8 -4.1 -104.8 -6 1 3 4388 19 23 58 19 34 57 --- 16 40 39 32.4 30.4 -3.9 -107.4 652 F 1 8776 19 34 57 V778CYG 16 40 39 32.4 30.4 -3.9 -107.4 -6 1 3 8776 19 34 57 19 45 55 --- 16 51 39 33.7 29.8 -3.7 -110.1 652 F 1 13164 19 45 55 V778CYG 16 51 39 33.7 29.8 -3.7 -110.1 -6 1 3 13164 19 45 55 19 56 53 --- 17 02 39 35.0 29.2 -3.6 -112.8 652 F 1 17552 19 56 53 J2022+61 17 02 39 35.9 26.6 -3.3 -117.4 -8 1 4 17552 19 56 53 20 07 51 --- 17 13 39 37.0 25.9 -3.1 -120.3 650 R 1 13164 20 07 51 V778CYG 17 13 39 36.2 28.5 -3.4 -115.6 -8 1 4 13164 20 07 51 20 18 49 --- 17 24 39 37.5 27.8 -3.2 -118.5 650 R 1 8776 20 18 49 V778CYG 17 24 39 37.5 27.8 -3.2 -118.5 -6 1 4 8776 20 18 49 20 29 48 --- 17 35 39 38.7 26.9 -3.0 -121.4 652 R 1 4388 20 29 48 V778CYG 17 35 39 38.7 26.9 -3.0 -121.4 -6 1 4 4388 20 29 48 20 40 46 --- 17 46 39 39.8 25.9 -2.8 -124.4 652 R 1 0 20 40 46 V778CYG 17 46 39 39.8 25.9 -2.8 -124.4 -6 1 3 0 20 40 46 20 51 44 --- 17 57 39 40.9 24.9 -2.6 -127.4 652 F 2 4388 20 51 44 V778CYG 17 57 39 40.9 24.9 -2.6 -127.4 -6 1 3 4388 20 51 44 21 02 42 --- 18 08 39 42.0 23.7 -2.5 -130.6 652 F 2 8776 21 02 42 V778CYG 18 08 39 42.0 23.7 -2.5 -130.6 -6 1 3 8776 21 02 42 21 13 40 --- 18 19 39 43.0 22.5 -2.3 -133.8 652 F 2 13164 Schedule for VLBA_MK (Code Mk ) Page 4 BE025A - First run of H2O Masers in V778Cyg 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 12 Jan 2003 Day 12 --- 21 13 40 V778CYG 18 19 39 43.0 22.5 -2.3 -133.8 -6 1 3 13164 21 13 40 21 24 39 --- 18 30 39 44.0 21.1 -2.1 -137.1 652 F 2 17552 21 24 39 V778CYG 18 30 39 44.0 21.1 -2.1 -137.1 -6 1 4 17552 21 24 39 21 35 37 --- 18 41 39 44.9 19.7 -1.9 -140.5 652 R 2 13164 21 35 37 V778CYG 18 41 39 44.9 19.7 -1.9 -140.5 -6 1 4 13164 21 35 37 21 46 35 --- 18 52 39 45.7 18.1 -1.7 -144.0 652 R 2 8776 21 46 35 V778CYG 18 52 39 45.7 18.1 -1.7 -144.0 -6 1 4 8776 21 46 35 21 57 33 --- 19 03 39 46.5 16.5 -1.5 -147.6 652 R 2 4388 21 59 33 J2022+61 19 05 39 46.1 13.0 -1.3 -153.6 111 1 4 4388 21 59 33 22 10 31 --- 19 16 39 46.6 11.2 -1.1 -157.3 658 R 2 0 22 10 31 V778CYG 19 16 39 47.3 14.5 -1.3 -151.9 -8 1 5 0 22 10 31 22 21 29 --- 19 27 39 47.9 12.6 -1.1 -155.6 650 F 1 4388 22 21 29 V778CYG 19 27 39 47.9 12.6 -1.1 -155.6 -6 1 5 4388 22 21 29 22 32 27 --- 19 38 39 48.4 10.7 -1.0 -159.4 652 F 1 8776 22 32 27 V778CYG 19 38 39 48.4 10.7 -1.0 -159.4 -6 1 5 8776 22 32 27 22 43 26 --- 19 49 39 48.9 8.8 -0.8 -163.3 652 F 1 13164 22 43 26 V778CYG 19 49 39 48.9 8.8 -0.8 -163.3 -6 1 5 13164 22 43 26 22 54 24 --- 20 00 39 49.2 6.8 -0.6 -167.2 652 F 1 17552 22 54 24 3C454.3 20 00 39 48.7 87.8 -2.9 -78.2 -60 1 6 17552 22 54 24 23 05 22 --- 20 11 39 51.3 88.6 -2.7 -78.3 598 R 1 13164 23 05 22 V778CYG 20 11 39 49.5 4.7 -0.4 -171.1 -62 1 6 13164 23 05 22 23 16 20 --- 20 22 39 49.6 2.6 -0.2 -175.1 596 R 1 8776 23 16 20 V778CYG 20 22 39 49.6 2.6 -0.2 -175.1 -6 1 6 8776 23 16 20 23 27 18 --- 20 33 39 49.7 0.5 0.0 -179.1 652 R 1 4388 23 27 18 V778CYG 20 33 39 49.7 0.5 0.0 -179.1 -6 1 6 4388 23 27 18 23 38 17 --- 20 44 39 49.7 -1.6 0.1 176.9 652 R 1 0 23 40 16 J2022+61 20 46 39 48.0 -4.4 0.4 171.4 110 1 5 0 23 40 16 23 51 14 --- 20 57 39 47.7 -6.3 0.6 167.5 658 F 2 4388 Schedule for VLBA_MK (Code Mk ) Page 5 BE025A - First run of H2O Masers in V778Cyg 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) ---------------------------------------------------------------------------------------- --- Start: Sun 12 Jan 2003 Day 12 -- Stop: Mon 13 Jan 2003 Day 13 --- 23 51 14 V778CYG 20 57 39 49.5 -4.1 0.4 172.2 -10 1 5 4388 23 51 14 00 02 13 --- 21 08 39 49.3 -6.2 0.5 168.2 649 F 2 8776 00 02 13 V778CYG 21 08 39 49.3 -6.2 0.5 168.2 -6 1 5 8776 00 02 13 00 13 11 --- 21 19 39 49.0 -8.2 0.7 164.3 652 F 2 13164 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: be025a.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= 22232.84 22232.84 BBC fr= 732.84 732.84 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 -- BE025A - First run of H2O Masers in V778Cyg 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) * J2022+61 20 21 13.300171 * 20 22 06.681689 20 22 06.559083 61 27 18.15549 * 61 36 58.80450 61 37 31.25365 From catalog imbedded in main SCHED input file. * V778CYG 20 35 03.654100 * 20 36 07.390000 20 36 08.011936 59 54 56.94370 * 60 05 26.10000 60 06 02.24261 From catalog imbedded in main SCHED input file. J1642+3948 16 41 17.606214 * 16 42 58.809952 16 43 03.025738 1641+399 39 54 10.81489 * 39 48 36.99395 39 48 05.00946 * 3C345 /home/filehost/cwalker/sched/catalogs/sources.vlba J1642+39 ICRF - Ext.1 Source - 1998 IERS Annual Report J2253+1608 22 51 29.519733 * 22 53 57.747932 22 54 04.940490 2251+158 15 52 54.34806 * 16 08 53.56089 16 09 46.81126 * 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) J2022+61 83.7 V778CYG 82.6 3C345 73.5 3C454.3 61.5 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