COVER INFORMATION Station: VLBA_OV (Code Ov ) Experiment: bw064a / Lens candidates / Winn Exp. Code: bw064a Schedule Version: 1.00 Processed by SCHED version: Release of 02 July 2002 PI: Joshua N. Winn Address: Harvard-Smithsonian Center for Astrophysics 60 Garden St. MS-51 Cambridge, MA 02138 Phone: +1-617-384-9663 (w) / +1-617-718-9440 (h) EMAIL: jwinn@cfa.harvard.edu Fax: +1-617-495-7093 Phone during observation: +1-617-384-9663 (w) / +1-617-718-9440 (h) Observing mode: 6cm, 128-8-1 Notes: fringe finder: J0927+3092 Schedule for VLBA_OV (Code Ov ) Page 2 bw064a / Lens candidates / Winn 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) ---------------------------------------------------------------------------------------- --- Fri 23 Aug 2002 Day 235 --- Next scan frequencies: 4971.49 4971.49 4979.49 4979.49 4987.49 4987.49 4995.49 4995.49 Next BBC frequencies: 871.49 871.49 879.49 879.49 887.49 887.49 895.49 895.49 Next scan bandwidths: 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 18 34 57 J1103-3251 08 49 22 13.2 151.5 -2.2 -26.9 0 1 1 0 18 34 57 18 44 56 =1101-325 08 59 22 14.2 153.5 -2.1 -25.1 598 F 1 3989 18 44 56 J1055-3657 08 59 22 11.1 156.7 -1.9 -23.3 -12 1 1 3989 18 44 56 18 47 55 --- 09 02 22 11.3 157.2 -1.9 -22.7 167 F 1 5186 18 47 55 J1103-3251 09 02 22 14.4 154.0 -2.0 -24.5 -12 1 1 5186 18 47 55 18 49 55 =1101-325 09 04 22 14.6 154.4 -2.0 -24.1 107 F 1 5984 18 49 55 J1055-3657 09 04 22 11.5 157.6 -1.9 -22.3 -12 1 1 5984 18 49 55 18 52 54 --- 09 07 22 11.7 158.2 -1.8 -21.8 167 F 1 7180 18 52 54 J1103-3251 09 07 22 14.8 155.0 -1.9 -23.6 -12 1 1 7180 18 52 54 18 54 54 =1101-325 09 09 22 15.0 155.4 -1.9 -23.2 107 F 1 7978 18 54 54 J1055-3657 09 09 22 11.8 158.5 -1.8 -21.4 -12 1 1 7978 18 54 54 18 57 53 --- 09 12 22 12.0 159.1 -1.7 -20.8 167 F 1 9175 18 57 53 J1103-3251 09 12 22 15.3 156.0 -1.9 -22.6 -12 1 1 9175 18 57 53 18 59 53 =1101-325 09 14 22 15.4 156.4 -1.8 -22.3 107 F 1 9973 18 59 53 J1055-3657 09 14 22 12.2 159.5 -1.7 -20.4 -12 1 1 9973 18 59 53 19 02 53 --- 09 17 22 12.4 160.1 -1.6 -19.9 167 F 1 11169 19 02 53 J1103-3251 09 17 22 15.7 157.0 -1.8 -21.7 -13 1 1 11169 19 02 53 19 04 52 =1101-325 09 19 22 15.8 157.4 -1.7 -21.3 107 F 1 11967 19 04 52 J1037-2934 09 19 22 20.7 161.9 -1.3 -16.5 -16 1 1 11967 19 04 52 19 07 52 =1034-293 09 22 22 20.9 162.6 -1.2 -15.9 164 F 1 13164 19 07 52 J1103-3251 09 22 22 16.0 158.1 -1.7 -20.7 -16 1 1 13164 19 07 52 19 09 52 =1101-325 09 24 22 16.2 158.5 -1.7 -20.4 104 F 1 13962 19 09 52 J1055-3657 09 24 22 12.9 161.4 -1.5 -18.5 -13 1 1 13962 19 09 52 19 12 51 --- 09 27 22 13.0 162.0 -1.5 -17.9 167 F 1 15158 Schedule for VLBA_OV (Code Ov ) Page 3 bw064a / Lens candidates / Winn 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) ---------------------------------------------------------------------------------------- --- Fri 23 Aug 2002 Day 235 --- 19 12 51 J1103-3251 09 27 22 16.4 159.1 -1.6 -19.8 -13 1 1 15158 19 12 51 19 14 51 =1101-325 09 29 22 16.5 159.5 -1.6 -19.4 107 F 1 15956 19 14 51 J1055-3657 09 29 22 13.2 162.4 -1.4 -17.5 -13 1 1 15956 19 14 51 19 17 50 --- 09 32 22 13.3 163.0 -1.4 -16.9 167 F 1 17153 19 17 50 J1103-3251 09 32 22 16.7 160.1 -1.5 -18.8 -13 1 2 17153 19 17 50 19 19 50 =1101-325 09 34 22 16.9 160.5 -1.5 -18.4 107 R 1 16355 19 19 50 J1055-3657 09 34 22 13.5 163.4 -1.4 -16.6 -13 1 2 16355 19 19 50 19 22 49 --- 09 37 22 13.6 164.0 -1.3 -16.0 167 R 1 15158 19 22 49 J1103-3251 09 37 22 17.1 161.2 -1.4 -17.8 -13 1 2 15158 19 22 49 19 24 49 =1101-325 09 39 22 17.2 161.6 -1.4 -17.4 107 R 1 14361 19 24 49 J1055-3657 09 39 22 13.7 164.4 -1.3 -15.6 -13 1 2 14361 19 24 49 19 27 49 --- 09 42 22 13.9 165.0 -1.2 -15.0 167 R 1 13164 19 27 49 J1103-3251 09 42 22 17.4 162.2 -1.4 -16.8 -13 1 2 13164 19 27 49 19 29 48 =1101-325 09 44 22 17.5 162.6 -1.3 -16.4 107 R 1 12366 19 29 48 J1037-2934 09 44 22 22.0 167.6 -0.9 -11.4 -15 1 2 12366 19 29 48 19 32 48 =1034-293 09 47 22 22.2 168.3 -0.8 -10.7 164 R 1 11169 19 32 48 J1103-3251 09 47 22 17.7 163.3 -1.3 -15.8 -15 1 2 11169 19 32 48 19 34 47 =1101-325 09 49 22 17.8 163.7 -1.2 -15.4 105 R 1 10372 19 34 47 J1055-3657 09 49 22 14.2 166.4 -1.1 -13.6 -13 1 2 10372 19 34 47 19 37 47 --- 09 52 22 14.4 167.0 -1.1 -13.0 166 R 1 9175 19 37 47 J1103-3251 09 52 22 18.0 164.3 -1.2 -14.8 -13 1 2 9175 19 37 47 19 39 47 =1101-325 09 54 22 18.1 164.8 -1.2 -14.4 106 R 1 8377 19 39 47 J1055-3657 09 54 22 14.5 167.4 -1.0 -12.6 -13 1 2 8377 19 39 47 19 42 46 --- 09 57 22 14.6 168.0 -1.0 -12.0 166 R 1 7180 19 42 46 J1103-3251 09 57 22 18.2 165.4 -1.1 -13.8 -13 1 2 7180 19 42 46 19 44 46 =1101-325 09 59 22 18.3 165.8 -1.1 -13.4 106 R 1 6383 19 44 46 J1055-3657 09 59 22 14.7 168.4 -0.9 -11.6 -13 1 2 6383 19 44 46 19 47 45 --- 10 02 22 14.8 169.0 -0.9 -11.0 166 R 1 5186 Schedule for VLBA_OV (Code Ov ) Page 4 bw064a / Lens candidates / Winn 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) ---------------------------------------------------------------------------------------- --- Fri 23 Aug 2002 Day 235 --- 19 47 45 J1103-3251 10 02 22 18.5 166.5 -1.0 -12.8 -13 1 2 5186 19 47 45 19 49 45 =1101-325 10 04 22 18.6 166.9 -1.0 -12.4 106 R 1 4388 19 49 45 J1055-3657 10 04 22 14.9 169.4 -0.9 -10.6 -13 1 2 4388 19 49 45 19 52 44 --- 10 07 22 15.0 170.0 -0.8 -10.0 166 R 1 3191 19 52 44 J1103-3251 10 07 22 18.7 167.6 -0.9 -11.8 -13 1 2 3191 19 52 44 19 54 44 =1101-325 10 09 22 18.8 168.0 -0.9 -11.4 106 R 1 2393 19 54 44 J1037-2934 10 09 22 22.9 173.4 -0.5 -6.0 -14 1 2 2393 19 54 44 19 57 44 =1034-293 10 12 22 22.9 174.1 -0.4 -5.4 165 R 1 1197 19 57 44 J1103-3251 10 12 22 18.9 168.6 -0.9 -10.8 -14 1 2 1197 19 57 44 19 59 43 =1101-325 10 14 22 19.0 169.1 -0.8 -10.3 106 R 1 399 20 01 58 J0927+3902 10 16 37 80.1 284.3 0.8 96.6 6 1 3 399 20 01 58 20 10 56 =0923+392 10 25 37 78.4 283.4 1.0 94.3 539 F 1 3989 20 10 56 J1103-3251 10 25 37 19.3 171.6 -0.6 -8.0 -124 1 3 3989 20 10 56 20 19 55 =1101-325 10 34 37 19.6 173.5 -0.5 -6.1 414 F 1 7579 20 19 55 J1055-3657 10 34 37 15.6 175.6 -0.4 -4.4 -14 1 3 7579 20 19 55 20 22 55 --- 10 37 37 15.7 176.2 -0.3 -3.8 166 F 1 8776 20 22 55 J1103-3251 10 37 37 19.6 174.2 -0.4 -5.5 -14 1 3 8776 20 22 55 20 24 54 =1101-325 10 39 37 19.7 174.7 -0.4 -5.1 106 F 1 9574 20 24 54 J1055-3657 10 39 37 15.7 176.6 -0.3 -3.4 -14 1 3 9574 20 24 54 20 27 54 --- 10 42 37 15.7 177.3 -0.2 -2.7 166 F 1 10771 20 27 54 J1103-3251 10 42 37 19.7 175.3 -0.3 -4.4 -14 1 3 10771 20 27 54 20 29 53 =1101-325 10 44 37 19.8 175.8 -0.3 -4.0 106 F 1 11568 20 29 53 J1055-3657 10 44 37 15.8 177.7 -0.2 -2.3 -14 1 3 11568 20 29 53 20 32 53 --- 10 47 37 15.8 178.3 -0.1 -1.7 166 F 1 12765 20 32 53 J1103-3251 10 47 37 19.8 176.4 -0.3 -3.4 -14 1 3 12765 20 32 53 20 34 53 =1101-325 10 49 37 19.8 176.9 -0.2 -3.0 106 F 1 13563 20 34 53 J1055-3657 10 49 37 15.8 178.7 -0.1 -1.3 -14 1 3 13563 20 34 53 20 37 52 --- 10 52 37 15.8 179.3 -0.1 -0.7 165 F 1 14760 Schedule for VLBA_OV (Code Ov ) Page 5 bw064a / Lens candidates / Winn 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) ---------------------------------------------------------------------------------------- --- Fri 23 Aug 2002 Day 235 --- 20 37 52 J1103-3251 10 52 37 19.9 177.5 -0.2 -2.3 -14 1 3 14760 20 37 52 20 39 52 =1101-325 10 54 37 19.9 178.0 -0.1 -1.9 106 F 1 15557 20 39 52 J1037-2934 10 54 37 23.1 184.1 0.3 3.7 -12 1 3 15557 20 39 52 20 42 51 =1034-293 10 57 37 23.0 184.8 0.3 4.4 167 F 1 16754 20 42 51 J1103-3251 10 57 37 19.9 178.7 -0.1 -1.3 -12 1 3 16754 20 42 51 20 44 51 =1101-325 10 59 37 19.9 179.1 -0.1 -0.8 107 F 1 17552 20 44 51 J1055-3657 10 59 37 15.8 180.8 0.1 0.8 -14 1 4 17552 20 44 51 20 47 50 --- 11 02 37 15.8 181.4 0.1 1.4 165 R 1 16355 20 47 50 J1103-3251 11 02 37 19.9 179.8 0.0 -0.2 -14 1 4 16355 20 47 50 20 49 50 =1101-325 11 04 37 19.9 180.2 0.0 0.2 105 R 1 15557 20 49 50 J1055-3657 11 04 37 15.8 181.8 0.1 1.8 -14 1 4 15557 20 49 50 20 52 50 --- 11 07 37 15.8 182.4 0.2 2.4 165 R 1 14361 20 52 50 J1103-3251 11 07 37 19.9 180.9 0.1 0.8 -14 1 4 14361 20 52 50 20 54 49 =1101-325 11 09 37 19.9 181.3 0.1 1.3 105 R 1 13563 20 54 49 J1055-3657 11 09 37 15.7 182.9 0.2 2.8 -14 1 4 13563 20 54 49 20 57 49 --- 11 12 37 15.7 183.5 0.3 3.5 165 R 1 12366 20 57 49 J1103-3251 11 12 37 19.9 182.0 0.2 1.9 -14 1 4 12366 20 57 49 20 59 48 =1101-325 11 14 37 19.9 182.5 0.2 2.3 105 R 1 11568 20 59 48 J1055-3657 11 14 37 15.7 183.9 0.3 3.9 -14 1 4 11568 20 59 48 21 02 48 --- 11 17 37 15.6 184.5 0.4 4.5 165 R 1 10372 21 02 48 J1103-3251 11 17 37 19.8 183.1 0.2 3.0 -14 1 4 10372 21 02 48 21 04 48 =1101-325 11 19 37 19.8 183.6 0.3 3.4 105 R 1 9574 21 04 48 J1037-2934 11 19 37 22.5 189.9 0.7 9.1 -11 1 4 9574 21 04 48 21 07 47 =1034-293 11 22 37 22.4 190.6 0.8 9.7 168 R 1 8377 21 07 47 J1103-3251 11 22 37 19.8 184.2 0.3 4.0 -11 1 4 8377 21 07 47 21 09 47 =1101-325 11 24 37 19.7 184.7 0.4 4.4 108 R 1 7579 21 09 47 J1055-3657 11 24 37 15.5 186.0 0.5 5.9 -14 1 4 7579 21 09 47 21 12 46 --- 11 27 37 15.4 186.6 0.5 6.6 165 R 1 6383 Schedule for VLBA_OV (Code Ov ) Page 6 bw064a / Lens candidates / Winn 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) ---------------------------------------------------------------------------------------- --- Fri 23 Aug 2002 Day 235 --- 21 12 46 J1103-3251 11 27 37 19.7 185.4 0.4 5.1 -14 1 4 6383 21 12 46 21 14 46 =1101-325 11 29 37 19.6 185.8 0.4 5.5 105 R 1 5585 21 14 46 J1055-3657 11 29 37 15.4 187.0 0.6 7.0 -14 1 4 5585 21 14 46 21 17 46 --- 11 32 37 15.3 187.6 0.6 7.6 165 R 1 4388 21 17 46 J1103-3251 11 32 37 19.6 186.5 0.5 6.1 -15 1 4 4388 21 17 46 21 19 45 =1101-325 11 34 37 19.5 186.9 0.5 6.5 105 R 1 3590 21 19 45 J1055-3657 11 34 37 15.3 188.0 0.6 8.0 -15 1 4 3590 21 19 45 21 22 45 --- 11 37 37 15.2 188.6 0.7 8.6 165 R 1 2393 21 22 45 J1103-3251 11 37 37 19.5 187.6 0.6 7.2 -15 1 4 2393 21 22 45 21 24 44 =1101-325 11 39 37 19.4 188.0 0.6 7.6 105 R 1 1596 21 24 44 J1055-3657 11 39 37 15.1 189.0 0.7 9.0 -15 1 4 1596 21 24 44 21 27 44 --- 11 42 37 15.0 189.7 0.8 9.6 165 R 1 399 21 27 44 J1103-3251 11 42 37 19.3 188.7 0.7 8.2 -15 1 5 399 21 27 44 21 29 44 =1101-325 11 44 37 19.3 189.1 0.7 8.6 105 F 1 1197 21 29 44 J1037-2934 11 44 37 21.4 195.7 1.1 14.3 -10 1 5 1197 21 29 44 21 32 43 =1034-293 11 47 37 21.2 196.4 1.2 14.9 169 F 1 2393 21 32 43 J1103-3251 11 47 37 19.2 189.8 0.7 9.3 -10 1 5 2393 21 32 43 21 34 43 =1101-325 11 49 37 19.1 190.2 0.8 9.7 109 F 1 3191 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: /home/filehost/cwalker/sched/setups/v6cm-128-8-1.set Matches group v6cm_2 in /home/filehost/cwalker/sched/catalogs/freq.dat Setup group: 1 Station: VLBA Total bit rate: 128 Format: VLBA1:4 Bits per sample: 1 Sample rate: 16.000 Number of channels: 8 Passes/head pos: 1 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= 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 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= U U U U U U U U IF = A C A C A C A C VLBA FE= 6cm omit 6cm omit VLBA Synth= 15.4 4.1 15.4 The following frequency sets based on this setup were used. Frequency Set: 1 Setup file default. Used pcal sets: 1 LO sum= 4971.49 4971.49 4979.49 4979.49 4987.49 4987.49 4995.49 4995.49 BBC fr= 871.49 871.49 879.49 879.49 887.49 887.49 895.49 895.49 Bandwd= 8.000 8.000 8.000 8.000 8.000 8.000 8.000 8.000 The following pulse cal sets were used with this setup: Pulse cal detection set: 1 PCAL = 1MHZ PCALXB1= S1 S3 S5 S7 S1 S3 S5 S7 PCALXB2= S2 S4 S6 S8 S2 S4 S6 S8 PCALFR1= 510 510 510 510 6510 6510 6510 6510 PCALFR2= 510 510 510 510 6510 6510 6510 6510 Track assignments are: track1= 2, 10, 18, 26, 3, 11, 19, 27 barrel=roll_auto SOURCE LIST -- bw064a / Lens candidates / Winn 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) * J1055-3657 10 53 26.724151 * 10 55 46.401000 10 55 51.270945 -36 40 52.97660 *-36 56 54.75000 -36 57 36.32262 From catalog imbedded in main SCHED input file. * J0927+3902 09 23 55.319195 * 09 27 03.013916 09 27 10.286542 0923+392 39 15 23.56655 * 39 02 20.85195 39 01 49.83456 4C39.25 /home/filehost/cwalker/sched/catalogs/sources.vlba J0927+39 ICRF - Ext.1 Source - 1998 IERS Annual Report * J1037-2934 10 34 55.824623 * 10 37 16.079735 10 37 21.110278 1034-293 -29 18 26.97233 *-29 34 02.81322 -29 34 41.20237 J1037-29 /home/filehost/cwalker/sched/catalogs/sources.vlba ICRF - Ext.1 Source - 1998 IERS Annual Report * J1103-3251 11 01 08.459665 * 11 03 31.526419 11 03 36.662046 1101-325 -32 35 05.97626 *-32 51 16.69169 -32 51 58.53486 J1103-32 /home/filehost/cwalker/sched/catalogs/sources.vlba 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) J1055-3657 49.4 J0927+3902 29.4 J1037-2934 41.4 J1103-3251 45.9 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