COVER INFORMATION Station: VLBA_NL (Code Nl ) Experiment: BE025B - 2nd run of H2O Masers in V778Cyg Exp. Code: BE025B 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 128 Mbits/sec **** **** Do NOT substitute PT with Y1 **** **** Avoid too hot, humide days **** Schedule for VLBA_NL (Code Nl ) Page 2 BE025B - 2nd 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) ---------------------------------------------------------------------------------------- --- Thu 24 Apr 2003 Day 114 --- Next scan frequencies: 22233.88 22233.88 Next BBC frequencies: 733.88 733.88 Next scan bandwidths: 8.00 8.00 09 34 27 V778CYG 17 36 11 57.2 40.6 -3.0 -103.3 0 1 1 0 09 34 27 09 45 25 --- 17 47 11 58.5 39.9 -2.8 -106.3 658 F 1 4388 09 45 25 V778CYG 17 47 11 58.5 39.9 -2.8 -106.3 -6 1 1 4388 09 45 25 09 56 23 --- 17 58 11 59.8 39.1 -2.6 -109.4 652 F 1 8776 09 56 23 V778CYG 17 58 11 59.8 39.1 -2.6 -109.4 -6 1 1 8776 09 56 23 10 07 21 --- 18 09 11 61.1 38.1 -2.4 -112.6 652 F 1 13164 10 07 21 V778CYG 18 09 11 61.1 38.1 -2.4 -112.6 -6 1 1 13164 10 07 21 10 18 19 --- 18 20 11 62.3 36.9 -2.3 -116.0 652 F 1 17552 10 18 19 J2022+61 18 20 11 63.1 32.2 -2.0 -123.3 -9 1 2 17552 10 18 19 10 29 18 --- 18 31 11 64.1 30.5 -1.8 -127.3 649 R 1 13164 10 29 18 V778CYG 18 31 11 63.6 35.5 -2.1 -119.7 -9 1 2 13164 10 29 18 10 40 16 --- 18 42 11 64.7 33.9 -1.9 -123.6 649 R 1 8776 10 40 16 V778CYG 18 42 11 64.7 33.9 -1.9 -123.6 -6 1 2 8776 10 40 16 10 51 14 --- 18 53 11 65.8 31.9 -1.7 -127.7 652 R 1 4388 10 51 14 V778CYG 18 53 11 65.8 31.9 -1.7 -127.7 -6 1 2 4388 10 51 14 11 02 12 --- 19 04 11 66.9 29.8 -1.5 -132.1 652 R 1 0 11 04 12 3C345 19 06 11 63.0 -82.1 2.4 74.1 39 1 1 0 11 04 12 11 15 10 --- 19 17 11 61.0 -80.9 2.6 73.4 658 F 2 4388 11 15 10 V778CYG 19 17 11 68.0 26.8 -1.3 -137.6 -78 1 1 4388 11 15 10 11 26 08 --- 19 28 11 68.9 23.9 -1.1 -142.7 580 F 2 8776 11 26 08 V778CYG 19 28 11 68.9 23.9 -1.1 -142.7 -6 1 1 8776 11 26 08 11 37 06 --- 19 39 11 69.7 20.7 -0.9 -148.1 652 F 2 13164 11 37 06 V778CYG 19 39 11 69.7 20.7 -0.9 -148.1 -6 1 1 13164 11 37 06 11 48 05 --- 19 50 11 70.4 17.2 -0.8 -153.7 652 F 2 17552 11 48 05 J2022+61 19 50 11 69.6 10.9 -0.5 -162.7 -10 1 2 17552 11 48 05 11 59 03 --- 20 01 11 69.9 7.3 -0.3 -168.6 648 R 2 13164 Schedule for VLBA_NL (Code Nl ) Page 3 BE025B - 2nd 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) ---------------------------------------------------------------------------------------- --- Thu 24 Apr 2003 Day 114 --- 11 59 03 V778CYG 20 01 11 70.9 13.4 -0.6 -159.7 -10 1 2 13164 11 59 03 12 10 01 --- 20 12 11 71.3 9.4 -0.4 -165.9 648 R 2 8776 12 10 01 V778CYG 20 12 11 71.3 9.4 -0.4 -165.9 -6 1 2 8776 12 10 01 12 20 59 --- 20 23 11 71.6 5.1 -0.2 -172.3 652 R 2 4388 12 20 59 V778CYG 20 23 11 71.6 5.1 -0.2 -172.3 -6 1 2 4388 12 20 59 12 31 57 --- 20 34 11 71.7 0.8 0.0 -178.8 652 R 2 0 12 31 57 V778CYG 20 34 11 71.7 0.8 0.0 -178.8 -6 1 3 0 12 31 57 12 42 56 --- 20 45 11 71.6 -3.6 0.2 174.7 652 F 1 4388 12 42 56 V778CYG 20 45 11 71.6 -3.6 0.2 174.7 -6 1 3 4388 12 42 56 12 53 54 --- 20 56 11 71.4 -7.8 0.3 168.2 652 F 1 8776 12 53 54 V778CYG 20 56 11 71.4 -7.8 0.3 168.2 -6 1 3 8776 12 53 54 13 04 52 --- 21 07 11 71.1 -12.0 0.5 161.9 652 F 1 13164 13 04 52 V778CYG 21 07 11 71.1 -12.0 0.5 161.9 -6 1 3 13164 13 04 52 13 15 50 --- 21 18 11 70.6 -15.9 0.7 155.9 652 F 1 17552 13 15 50 J2022+61 21 18 11 68.4 -18.2 0.9 150.6 -10 1 4 17552 13 15 50 13 26 48 --- 21 29 11 67.8 -21.2 1.1 145.4 648 R 1 13164 13 26 48 V778CYG 21 29 11 70.0 -19.5 0.9 150.1 -10 1 4 13164 13 26 48 13 37 47 --- 21 40 11 69.2 -22.8 1.1 144.6 648 R 1 8776 13 37 47 V778CYG 21 40 11 69.2 -22.8 1.1 144.6 -6 1 4 8776 13 37 47 13 48 45 --- 21 51 11 68.4 -25.8 1.3 139.4 652 R 1 4388 13 48 45 V778CYG 21 51 11 68.4 -25.8 1.3 139.4 -6 1 4 4388 13 48 45 13 59 43 --- 22 02 11 67.4 -28.4 1.4 134.6 652 R 1 0 13 59 43 V778CYG 22 02 11 67.4 -28.4 1.4 134.6 -6 1 3 0 13 59 43 14 10 41 --- 22 13 11 66.4 -30.8 1.6 130.0 652 F 2 4388 14 10 41 V778CYG 22 13 11 66.4 -30.8 1.6 130.0 -6 1 3 4388 14 10 41 14 21 39 --- 22 24 11 65.3 -32.8 1.8 125.8 652 F 2 8776 14 21 39 V778CYG 22 24 11 65.3 -32.8 1.8 125.8 -6 1 3 8776 14 21 39 14 32 38 --- 22 35 11 64.2 -34.6 2.0 121.8 652 F 2 13164 Schedule for VLBA_NL (Code Nl ) Page 4 BE025B - 2nd 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) ---------------------------------------------------------------------------------------- --- Thu 24 Apr 2003 Day 114 --- 14 32 38 V778CYG 22 35 11 64.2 -34.6 2.0 121.8 -6 1 3 13164 14 32 38 14 43 36 --- 22 46 11 63.0 -36.2 2.2 118.0 652 F 2 17552 14 43 36 V778CYG 22 46 11 63.0 -36.2 2.2 118.0 -6 1 4 17552 14 43 36 14 54 34 --- 22 57 11 61.8 -37.5 2.4 114.5 652 R 2 13164 14 54 34 V778CYG 22 57 11 61.8 -37.5 2.4 114.5 -6 1 4 13164 14 54 34 15 05 32 --- 23 08 11 60.5 -38.6 2.5 111.1 652 R 2 8776 15 05 32 V778CYG 23 08 11 60.5 -38.6 2.5 111.1 -6 1 4 8776 15 05 32 15 16 30 --- 23 19 11 59.2 -39.5 2.7 107.9 652 R 2 4388 15 18 30 J2022+61 23 21 11 56.9 -37.8 3.0 105.9 109 1 4 4388 15 18 30 15 29 28 --- 23 32 11 55.6 -38.4 3.2 103.0 658 R 2 0 15 29 28 V778CYG 23 32 11 57.7 -40.4 2.9 104.4 -10 1 5 0 15 29 28 15 40 26 --- 23 43 11 56.3 -40.9 3.1 101.5 648 F 1 4388 15 40 26 V778CYG 23 43 11 56.3 -40.9 3.1 101.5 -6 1 5 4388 15 40 26 15 51 25 --- 23 54 11 55.0 -41.3 3.3 98.8 652 F 1 8776 15 51 25 V778CYG 23 54 11 55.0 -41.3 3.3 98.8 -6 1 5 8776 15 51 25 16 02 23 --- 00 05 11 53.6 -41.7 3.5 96.2 652 F 1 13164 16 02 23 V778CYG 00 05 11 53.6 -41.7 3.5 96.2 -6 1 5 13164 16 02 23 16 13 21 --- 00 16 11 52.3 -41.8 3.7 93.6 652 F 1 17552 16 13 21 3C454.3 00 16 11 58.9 220.7 1.4 30.4 -181 1 6 17552 16 13 21 16 24 19 --- 00 27 11 57.5 224.9 1.6 33.3 477 R 1 13164 16 24 19 V778CYG 00 27 11 50.9 318.1 3.9 91.2 -68 1 6 13164 16 24 19 16 35 17 --- 00 38 11 49.5 318.1 4.0 88.8 590 R 1 8776 16 35 17 V778CYG 00 38 11 49.5 318.1 4.0 88.8 -6 1 6 8776 16 35 17 16 46 16 --- 00 49 11 48.1 318.1 4.2 86.5 652 R 1 4388 16 46 16 V778CYG 00 49 11 48.1 318.1 4.2 86.5 -6 1 6 4388 16 46 16 16 57 14 --- 01 00 11 46.8 318.3 4.4 84.2 652 R 1 0 16 59 13 J2022+61 01 02 11 45.0 320.8 4.7 82.5 110 1 5 0 16 59 13 17 10 12 --- 01 13 11 43.7 321.1 4.9 80.3 658 F 2 4388 Schedule for VLBA_NL (Code Nl ) Page 5 BE025B - 2nd 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) ---------------------------------------------------------------------------------------- --- Thu 24 Apr 2003 Day 114 --- 17 10 12 V778CYG 01 13 11 45.2 318.6 4.6 81.6 -9 1 5 4388 17 10 12 17 21 10 --- 01 24 11 43.8 318.9 4.8 79.4 649 F 2 8776 17 21 10 V778CYG 01 24 11 43.8 318.9 4.8 79.4 -6 1 5 8776 17 21 10 17 32 08 --- 01 35 11 42.5 319.3 5.0 77.3 652 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: be025b.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= 22233.88 22233.88 BBC fr= 733.88 733.88 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 -- BE025B - 2nd 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 09.512619 61 27 18.15549 * 61 36 58.80450 61 37 09.79558 From catalog imbedded in main SCHED input file. * V778CYG 20 35 03.654100 * 20 36 07.390000 20 36 10.683294 59 54 56.94370 * 60 05 26.10000 60 05 40.31892 From catalog imbedded in main SCHED input file. J1642+3948 16 41 17.606214 * 16 42 58.809952 16 43 06.320512 1641+399 39 54 10.81489 * 39 48 36.99395 39 48 00.35807 * 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 05.727140 2251+158 15 52 54.34806 * 16 08 53.56089 16 09 39.15616 * 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 76.9 V778CYG 75.2 3C345 116.1 3C454.3 46.7 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