COVER INFORMATION Station: VLBA_NL (Code Nl ) 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_NL (Code Nl ) 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 10 36 11 15.1 174.0 -0.5 -5.3 0 1 1 0 18 34 57 18 44 56 =1101-325 10 46 11 15.3 176.2 -0.3 -3.4 598 F 1 3989 18 44 56 J1055-3657 10 46 11 11.2 178.0 -0.2 -1.8 -14 1 1 3989 18 44 56 18 47 55 --- 10 49 11 11.3 178.6 -0.1 -1.3 165 F 1 5186 18 47 55 J1103-3251 10 49 11 15.3 176.9 -0.2 -2.8 -14 1 1 5186 18 47 55 18 49 55 =1101-325 10 51 11 15.3 177.3 -0.2 -2.4 106 F 1 5984 18 49 55 J1055-3657 10 51 11 11.3 179.0 -0.1 -0.9 -14 1 1 5984 18 49 55 18 52 54 --- 10 54 11 11.3 179.7 0.0 -0.3 165 F 1 7180 18 52 54 J1103-3251 10 54 11 15.3 177.9 -0.2 -1.8 -14 1 1 7180 18 52 54 18 54 54 =1101-325 10 56 11 15.3 178.4 -0.1 -1.4 106 F 1 7978 18 54 54 J1055-3657 10 56 11 11.3 180.1 0.0 0.1 -14 1 1 7978 18 54 54 18 57 53 --- 10 59 11 11.3 180.7 0.1 0.6 165 F 1 9175 18 57 53 J1103-3251 10 59 11 15.4 179.0 -0.1 -0.9 -14 1 1 9175 18 57 53 18 59 53 =1101-325 11 01 11 15.4 179.5 0.0 -0.5 105 F 1 9973 18 59 53 J1055-3657 11 01 11 11.3 181.1 0.1 1.0 -14 1 1 9973 18 59 53 19 02 53 --- 11 04 11 11.2 181.7 0.1 1.6 165 F 1 11169 19 02 53 J1103-3251 11 04 11 15.4 180.1 0.0 0.1 -14 1 1 11169 19 02 53 19 04 52 =1101-325 11 06 11 15.4 180.6 0.0 0.5 105 F 1 11967 19 04 52 J1037-2934 11 06 11 18.3 186.6 0.5 5.7 -12 1 1 11967 19 04 52 19 07 52 =1034-293 11 09 11 18.3 187.3 0.5 6.2 168 F 1 13164 19 07 52 J1103-3251 11 09 11 15.4 181.2 0.1 1.1 -12 1 1 13164 19 07 52 19 09 52 =1101-325 11 11 11 15.3 181.6 0.1 1.5 108 F 1 13962 19 09 52 J1055-3657 11 11 11 11.2 183.1 0.3 2.9 -14 1 1 13962 19 09 52 19 12 51 --- 11 14 11 11.2 183.7 0.3 3.5 165 F 1 15158 Schedule for VLBA_NL (Code Nl ) 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 11 14 11 15.3 182.3 0.2 2.0 -14 1 1 15158 19 12 51 19 14 51 =1101-325 11 16 11 15.3 182.7 0.2 2.4 105 F 1 15956 19 14 51 J1055-3657 11 16 11 11.1 184.1 0.3 3.9 -14 1 1 15956 19 14 51 19 17 50 --- 11 19 11 11.1 184.7 0.4 4.4 165 F 1 17153 19 17 50 J1103-3251 11 19 11 15.3 183.4 0.3 3.0 -14 1 2 17153 19 17 50 19 19 50 =1101-325 11 21 11 15.3 183.8 0.3 3.4 105 R 1 16355 19 19 50 J1055-3657 11 21 11 11.1 185.2 0.4 4.8 -14 1 2 16355 19 19 50 19 22 49 --- 11 24 11 11.0 185.8 0.5 5.4 165 R 1 15158 19 22 49 J1103-3251 11 24 11 15.2 184.5 0.3 4.0 -14 1 2 15158 19 22 49 19 24 49 =1101-325 11 26 11 15.2 184.9 0.4 4.4 105 R 1 14361 19 24 49 J1055-3657 11 26 11 11.0 186.2 0.5 5.8 -14 1 2 14361 19 24 49 19 27 49 --- 11 29 11 10.9 186.8 0.6 6.3 165 R 1 13164 19 27 49 J1103-3251 11 29 11 15.1 185.6 0.4 4.9 -14 1 2 13164 19 27 49 19 29 48 =1101-325 11 31 11 15.1 186.0 0.5 5.3 105 R 1 12366 19 29 48 J1037-2934 11 31 11 17.6 192.3 0.9 10.5 -11 1 2 12366 19 29 48 19 32 48 =1034-293 11 34 11 17.5 192.9 0.9 11.1 169 R 1 11169 19 32 48 J1103-3251 11 34 11 15.0 186.6 0.5 5.9 -11 1 2 11169 19 32 48 19 34 47 =1101-325 11 36 11 15.0 187.1 0.5 6.3 109 R 1 10372 19 34 47 J1055-3657 11 36 11 10.7 188.2 0.7 7.6 -15 1 2 10372 19 34 47 19 37 47 --- 11 39 11 10.6 188.8 0.7 8.2 165 R 1 9175 19 37 47 J1103-3251 11 39 11 14.9 187.7 0.6 6.9 -15 1 2 9175 19 37 47 19 39 47 =1101-325 11 41 11 14.9 188.2 0.6 7.2 105 R 1 8377 19 39 47 J1055-3657 11 41 11 10.6 189.2 0.8 8.6 -15 1 2 8377 19 39 47 19 42 46 --- 11 44 11 10.5 189.8 0.8 9.1 165 R 1 7180 19 42 46 J1103-3251 11 44 11 14.8 188.8 0.7 7.8 -15 1 2 7180 19 42 46 19 44 46 =1101-325 11 46 11 14.7 189.2 0.7 8.2 105 R 1 6383 19 44 46 J1055-3657 11 46 11 10.4 190.2 0.8 9.5 -15 1 2 6383 19 44 46 19 47 45 --- 11 49 11 10.3 190.8 0.9 10.1 165 R 1 5186 Schedule for VLBA_NL (Code Nl ) 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 11 49 11 14.6 189.9 0.8 8.8 -15 1 2 5186 19 47 45 19 49 45 =1101-325 11 51 11 14.6 190.3 0.8 9.1 105 R 1 4388 19 49 45 J1055-3657 11 51 11 10.3 191.2 0.9 10.4 -15 1 2 4388 19 49 45 19 52 44 --- 11 54 11 10.1 191.8 1.0 11.0 165 R 1 3191 19 52 44 J1103-3251 11 54 11 14.5 190.9 0.8 9.7 -15 1 2 3191 19 52 44 19 54 44 =1101-325 11 56 11 14.4 191.4 0.9 10.1 105 R 1 2393 19 54 44 J1037-2934 11 56 11 16.4 197.8 1.3 15.2 -10 1 2 2393 19 54 44 19 57 44 =1034-293 11 59 11 16.2 198.5 1.4 15.7 169 R 1 1197 19 57 44 J1103-3251 11 59 11 14.3 192.0 0.9 10.6 -10 1 2 1197 19 57 44 19 59 43 =1101-325 12 01 11 14.2 192.4 1.0 11.0 109 R 1 399 20 01 58 J0927+3902 12 03 26 60.4 277.9 2.6 72.0 36 1 3 399 20 01 58 20 10 56 =0923+392 12 12 26 58.7 279.0 2.8 71.5 539 F 1 3989 20 10 56 J1103-3251 12 12 26 13.7 194.8 1.1 13.1 -96 1 3 3989 20 10 56 20 19 55 =1101-325 12 21 26 13.2 196.7 1.3 14.8 442 F 1 7579 20 19 55 J1055-3657 12 21 26 8.9 197.2 1.4 16.0 -15 1 3 7579 20 19 55 20 22 55 --- 12 24 26 8.7 197.7 1.5 16.5 165 F 1 8776 20 22 55 J1103-3251 12 24 26 13.1 197.3 1.3 15.3 -15 1 3 8776 20 22 55 20 24 54 =1101-325 12 26 26 13.0 197.7 1.4 15.7 105 F 1 9574 20 24 54 J1055-3657 12 26 26 8.6 198.1 1.5 16.9 -15 1 3 9574 20 24 54 20 27 54 --- 12 29 26 8.4 198.7 1.6 17.4 165 F 1 10771 20 27 54 J1103-3251 12 29 26 12.8 198.4 1.4 16.2 -15 1 3 10771 20 27 54 20 29 53 =1101-325 12 31 26 12.7 198.8 1.5 16.6 105 F 1 11568 20 29 53 J1055-3657 12 31 26 8.3 199.1 1.6 17.8 -15 1 3 11568 20 29 53 20 32 53 --- 12 34 26 8.1 199.7 1.6 18.3 165 F 1 12765 20 32 53 J1103-3251 12 34 26 12.5 199.4 1.5 17.1 -15 1 3 12765 20 32 53 20 34 53 =1101-325 12 36 26 12.4 199.8 1.5 17.5 105 F 1 13563 20 34 53 J1055-3657 12 36 26 8.0 200.0 1.7 18.7 -15 1 3 13563 20 34 53 20 37 52 --- 12 39 26 7.8 200.6 1.7 19.2 165 F 1 14760 Schedule for VLBA_NL (Code Nl ) 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 12 39 26 12.2 200.4 1.6 18.0 -15 1 3 14760 20 37 52 20 39 52 =1101-325 12 41 26 12.0 200.8 1.6 18.4 105 F 1 15557 20 39 52 J1037-2934 12 41 26 13.1 207.4 2.1 23.2 -10 1 3 15557 20 39 52 20 42 51 =1034-293 12 44 26 12.9 208.0 2.1 23.8 169 F 1 16754 20 42 51 J1103-3251 12 44 26 11.8 201.4 1.7 18.9 -10 1 3 16754 20 42 51 20 44 51 =1101-325 12 46 26 11.7 201.8 1.7 19.3 109 F 1 17552 20 44 51 J1055-3657 12 46 26 7.3 201.9 1.8 20.4 -15 1 4 17552 20 44 51 20 47 50 --- 12 49 26 7.1 202.5 1.9 20.9 165 R 1 16355 20 47 50 J1103-3251 12 49 26 11.5 202.4 1.8 19.8 -15 1 4 16355 20 47 50 20 49 50 =1101-325 12 51 26 11.4 202.9 1.8 20.2 105 R 1 15557 20 49 50 J1055-3657 12 51 26 7.0 202.9 1.9 21.3 -15 1 4 15557 20 49 50 20 52 50 --- 12 54 26 6.7 203.5 2.0 21.8 165 R 1 14361 20 52 50 J1103-3251 12 54 26 11.1 203.5 1.8 20.7 -15 1 4 14361 20 52 50 20 54 49 =1101-325 12 56 26 11.0 203.9 1.9 21.0 105 R 1 13563 20 54 49 J1055-3657 12 56 26 6.6 203.8 2.0 22.1 -15 1 4 13563 20 54 49 20 57 49 --- 12 59 26 6.4 204.4 2.1 22.7 165 R 1 12366 20 57 49 J1103-3251 12 59 26 10.8 204.5 1.9 21.6 -15 1 4 12366 20 57 49 20 59 48 =1101-325 13 01 26 10.6 204.8 2.0 21.9 105 R 1 11568 20 59 48 J1055-3657 13 01 26 6.2 204.8 2.1 23.0 -15 1 4 11568 20 59 48 21 02 48 --- 13 04 26 6.0 205.3 2.1 23.5 165 R 1 10372 21 02 48 J1103-3251 13 04 26 10.4 205.4 2.0 22.4 -15 1 4 10372 21 02 48 21 04 48 =1101-325 13 06 26 10.2 205.8 2.0 22.8 105 R 1 9574 21 04 48 J1037-2934 13 06 26 10.8 212.4 2.5 27.4 -10 1 4 9574 21 04 48 21 07 47 =1034-293 13 09 26 10.5 213.0 2.5 27.9 169 R 1 8377 21 07 47 J1103-3251 13 09 26 10.0 206.4 2.1 23.3 -10 1 4 8377 21 07 47 21 09 47 =1101-325 13 11 26 9.8 206.8 2.1 23.6 109 R 1 7579 21 09 47 J1055-3657 13 11 26 5.4 206.6 2.3 24.7 -15 1 4 7579 21 09 47 21 12 46 --- 13 14 26 5.1 207.1 2.3 25.2 165 R 1 6383 Schedule for VLBA_NL (Code Nl ) 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 13 14 26 9.5 207.4 2.2 24.1 -15 1 4 6383 21 12 46 21 14 46 =1101-325 13 16 26 9.4 207.8 2.2 24.5 105 R 1 5585 21 14 46 J1055-3657 13 16 26 5.0 207.5 2.3 25.5 -15 1 4 5585 21 14 46 21 17 46 --- 13 19 26 4.7 208.0 2.4 26.0 165 R 1 4388 21 17 46 J1103-3251 13 19 26 9.1 208.4 2.3 25.0 -15 1 4 4388 21 17 46 21 19 45 =1101-325 13 21 26 8.9 208.8 2.3 25.3 105 R 1 3590 21 19 45 J1055-3657 13 21 26 4.5 208.4 2.4 26.4 -15 1 4 3590 21 19 45 21 22 45 --- 13 24 26 4.3 208.9 2.5 26.8 165 R 1 2393 21 22 45 J1103-3251 13 24 26 8.6 209.3 2.3 25.8 -15 1 4 2393 21 22 45 21 24 44 =1101-325 13 26 26 8.5 209.7 2.4 26.1 105 R 1 1596 21 24 44 J1055-3657 13 26 26 4.1 209.3 2.5 27.2 -15 1 4 1596 21 24 44 21 27 44 --- 13 29 26 3.8 209.8 2.6 27.7 165 R 1 399 21 27 44 J1103-3251 13 29 26 8.2 210.3 2.4 26.6 -15 1 5 399 21 27 44 21 29 44 =1101-325 13 31 26 8.0 210.7 2.5 26.9 105 F 1 1197 21 29 44 J1037-2934 13 31 26 8.1 217.2 2.9 31.3 -10 1 5 1197 21 29 44 21 32 43 =1034-293 13 34 26 7.8 217.8 3.0 31.7 169 F 1 2393 21 32 43 J1103-3251 13 34 26 7.7 211.2 2.5 27.4 -10 1 5 2393 21 32 43 21 34 43 =1101-325 13 36 26 7.5 211.6 2.5 27.7 109 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