COVER INFORMATION Station: VLBA_NL (Code Nl ) Experiment: BG176 / Annual modulation candidate J1128+5925 / Gabanyi et al. Exp. Code: BG176F Schedule Version: 1.00 Processed by SCHED version: 6.05 June 2006 PI: Krisztina Eva Gabanyi Address: FOMI, Satellite Geodetic Observatory P.O. Box 585 Budapest, 1592 Hungary Phone: +36 27 374980 (w) / +36 20 5375474 (m) EMAIL: gabanyik@sgo.fomi.hu Fax: +36 27 374982 Phone during observation: +36 20 5375474 Observing mode: At 6cm, 3.6cm, 2cm; dual pol; recording 256 Mbit/s Notes: observations scheduled in 6 epochs, separated by 6-8 weeks fringe finder, calibrator: J0927+3902=4C39.25 polarized, compact, D-term calibrator: J1038+0512 Schedule for VLBA_NL (Code Nl ) Page 2 BG176 / Annual modulation candidate J1128+5925 / Gabanyi et al. 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. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. 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) SYNC ---------------------------------------------------------------------------------------- --- Thu 21 Feb 2008 Day 52 --- 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 05 40 21 J0927+3902 09 36 11 86.8 211.2 0.1 29.8 0 1 1 0 05 40 21 05 44 21 =0923+392 09 40 11 86.3 221.9 0.2 39.8 239 F 1 8 05 40 39 Next scan frequencies: 8405.49 8405.49 8413.49 8413.49 8421.49 8421.49 8429.49 8429.49 Next BBC frequencies: 805.49 805.49 813.49 813.49 821.49 821.49 829.49 829.49 05 44 26 J0927+3902 09 40 16 86.3 222.1 0.2 40.0 0 1 1 8 05 44 21 05 48 25 =0923+392 09 44 16 85.8 230.3 0.3 47.6 239 F 1 16 05 44 21 Next scan frequencies: 15349.49 15349.49 15357.49 15357.49 15365.49 15365.49 15373.49 15373.49 Next BBC frequencies: 749.49 749.49 757.49 757.49 765.49 765.49 773.49 773.49 05 48 30 J0927+3902 09 44 21 85.8 230.4 0.3 47.7 0 1 1 16 05 48 25 05 52 29 =0923+392 09 48 21 85.2 236.7 0.3 53.3 239 F 1 23 05 48 25 05 55 40 J1038+0512 09 51 32 51.9 160.5 -0.8 -14.5 118 1 1 23 05 55 40 06 00 39 =1036+054 09 56 32 52.2 162.5 -0.7 -13.0 299 F 1 33 05 55 58 Next scan frequencies: 8405.49 8405.49 8413.49 8413.49 8421.49 8421.49 8429.49 8429.49 Next BBC frequencies: 805.49 805.49 813.49 813.49 821.49 821.49 829.49 829.49 06 00 44 J1038+0512 09 56 36 52.2 162.5 -0.7 -13.0 0 1 1 33 06 00 39 06 05 43 =1036+054 10 01 36 52.4 164.5 -0.6 -11.5 299 F 1 43 06 00 39 Schedule for VLBA_NL (Code Nl ) Page 3 BG176 / Annual modulation candidate J1128+5925 / Gabanyi et al. 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. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. 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) SYNC ---------------------------------------------------------------------------------------- --- Thu 21 Feb 2008 Day 52 --- 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 06 05 47 J1038+0512 10 01 41 52.4 164.5 -0.6 -11.5 0 1 1 43 06 05 43 06 10 46 =1036+054 10 06 41 52.7 166.6 -0.5 -10.0 299 F 1 53 06 05 43 06 12 41 J1128+5925 10 08 36 68.5 28.4 -1.3 -135.9 16 1 1 53 06 12 41 06 32 08 =1125+596 10 28 06 70.0 23.0 -1.0 -145.1 1167 F 1 90 06 12 59 Next scan frequencies: 8405.49 8405.49 8413.49 8413.49 8421.49 8421.49 8429.49 8429.49 Next BBC frequencies: 805.49 805.49 813.49 813.49 821.49 821.49 829.49 829.49 06 32 12 J1128+5925 10 28 10 70.0 23.0 -1.0 -145.2 0 1 1 90 06 32 08 06 51 39 =1125+596 10 47 40 71.3 16.4 -0.7 -155.5 1167 F 1 128 06 32 08 Next scan frequencies: 15349.49 15349.49 15357.49 15357.49 15365.49 15365.49 15373.49 15373.49 Next BBC frequencies: 749.49 749.49 757.49 757.49 765.49 765.49 773.49 773.49 06 51 43 J1128+5925 10 47 44 71.3 16.4 -0.7 -155.6 0 1 1 128 06 51 39 07 11 10 =1125+596 11 07 14 72.1 8.9 -0.4 -166.9 1167 F 1 166 06 51 39 07 13 18 J1038+0512 11 09 23 52.8 192.5 0.5 9.3 0 1 1 166 07 13 18 07 18 18 =1036+054 11 14 23 52.6 194.5 0.6 10.8 299 F 1 176 07 13 36 Next scan frequencies: 8405.49 8405.49 8413.49 8413.49 8421.49 8421.49 8429.49 8429.49 Next BBC frequencies: 805.49 805.49 813.49 813.49 821.49 821.49 829.49 829.49 07 18 22 J1038+0512 11 14 28 52.6 194.5 0.6 10.8 0 1 1 176 07 18 18 07 23 21 =1036+054 11 19 28 52.3 196.5 0.7 12.3 299 F 1 185 07 18 18 Schedule for VLBA_NL (Code Nl ) Page 4 BG176 / Annual modulation candidate J1128+5925 / Gabanyi et al. 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. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. 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) SYNC ---------------------------------------------------------------------------------------- --- Thu 21 Feb 2008 Day 52 --- 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 07 23 26 J1038+0512 11 19 32 52.3 196.6 0.7 12.3 0 1 1 185 07 23 21 07 28 25 =1036+054 11 24 32 52.0 198.5 0.8 13.8 299 F 1 195 07 23 21 07 30 21 J1128+5925 11 26 28 72.4 361.0 0.0 -178.6 1 1 1 195 07 30 21 07 48 48 =1125+596 11 44 58 72.2 353.2 0.3 170.1 1107 F 1 231 07 30 39 Next scan frequencies: 8405.49 8405.49 8413.49 8413.49 8421.49 8421.49 8429.49 8429.49 Next BBC frequencies: 805.49 805.49 813.49 813.49 821.49 821.49 829.49 829.49 07 48 52 J1128+5925 11 45 02 72.2 353.2 0.3 170.0 0 1 1 231 07 48 48 08 07 19 =1125+596 12 03 32 71.6 345.9 0.6 159.1 1107 F 1 267 07 48 48 Next scan frequencies: 15349.49 15349.49 15357.49 15357.49 15365.49 15365.49 15373.49 15373.49 Next BBC frequencies: 749.49 749.49 757.49 757.49 765.49 765.49 773.49 773.49 08 07 23 J1128+5925 12 03 37 71.6 345.9 0.6 159.0 0 1 1 267 08 07 19 08 25 50 =1125+596 12 22 07 70.5 339.3 0.9 148.9 1107 F 1 303 08 07 19 08 28 13 J0927+3902 12 24 30 56.6 280.3 2.9 70.8 98 1 1 303 08 28 13 08 32 13 =0923+392 12 28 30 55.8 280.8 3.0 70.5 239 F 1 310 08 28 31 Next scan frequencies: 8405.49 8405.49 8413.49 8413.49 8421.49 8421.49 8429.49 8429.49 Next BBC frequencies: 805.49 805.49 813.49 813.49 821.49 821.49 829.49 829.49 08 32 17 J0927+3902 12 28 35 55.8 280.8 3.0 70.5 0 1 1 310 08 32 13 08 36 16 =0923+392 12 32 35 55.1 281.2 3.1 70.3 239 F 1 318 08 32 13 Schedule for VLBA_NL (Code Nl ) Page 5 BG176 / Annual modulation candidate J1128+5925 / Gabanyi et al. 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. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. 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) SYNC ---------------------------------------------------------------------------------------- --- Thu 21 Feb 2008 Day 52 --- 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 08 36 21 J0927+3902 12 32 39 55.1 281.2 3.1 70.3 0 1 1 318 08 36 16 08 40 20 =0923+392 12 36 39 54.3 281.7 3.2 70.0 239 F 1 326 08 36 16 08 43 34 J1038+0512 12 39 54 44.6 224.7 2.0 31.8 150 1 1 326 08 43 34 08 48 33 =1036+054 12 44 54 43.9 226.1 2.1 32.7 299 F 1 336 08 43 52 Next scan frequencies: 8405.49 8405.49 8413.49 8413.49 8421.49 8421.49 8429.49 8429.49 Next BBC frequencies: 805.49 805.49 813.49 813.49 821.49 821.49 829.49 829.49 08 48 38 J1038+0512 12 44 58 43.9 226.1 2.1 32.7 0 1 1 336 08 48 33 08 53 37 =1036+054 12 49 58 43.2 227.6 2.2 33.6 299 F 1 345 08 48 33 Next scan frequencies: 15349.49 15349.49 15357.49 15357.49 15365.49 15365.49 15373.49 15373.49 Next BBC frequencies: 749.49 749.49 757.49 757.49 765.49 765.49 773.49 773.49 08 53 41 J1038+0512 12 50 03 43.2 227.6 2.2 33.6 0 1 1 345 08 53 37 08 58 41 =1036+054 12 55 03 42.5 229.0 2.3 34.4 299 F 1 355 08 53 37 09 00 42 J1128+5925 12 57 05 67.7 329.7 1.5 132.3 48 1 1 355 09 00 42 09 19 09 =1125+596 13 15 35 65.9 325.9 1.8 124.9 1107 F 1 391 09 01 00 Next scan frequencies: 8405.49 8405.49 8413.49 8413.49 8421.49 8421.49 8429.49 8429.49 Next BBC frequencies: 805.49 805.49 813.49 813.49 821.49 821.49 829.49 829.49 09 19 14 J1128+5925 13 15 39 65.9 325.9 1.8 124.9 0 1 1 391 09 19 09 09 37 41 =1125+596 13 34 09 63.9 323.0 2.1 118.3 1107 F 1 427 09 19 09 Schedule for VLBA_NL (Code Nl ) Page 6 BG176 / Annual modulation candidate J1128+5925 / Gabanyi et al. 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. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. 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) SYNC ---------------------------------------------------------------------------------------- --- Thu 21 Feb 2008 Day 52 --- 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 09 37 45 J1128+5925 13 34 14 63.9 323.0 2.1 118.2 0 1 1 427 09 37 41 09 56 12 =1125+596 13 52 44 61.7 320.8 2.4 112.3 1107 F 1 463 09 37 41 09 58 50 J1038+0512 13 55 22 33.2 243.9 3.3 42.3 95 1 1 463 09 58 50 10 03 50 =1036+054 14 00 22 32.3 245.0 3.4 42.8 299 F 1 472 09 59 08 Next scan frequencies: 8405.49 8405.49 8413.49 8413.49 8421.49 8421.49 8429.49 8429.49 Next BBC frequencies: 805.49 805.49 813.49 813.49 821.49 821.49 829.49 829.49 10 03 54 J1038+0512 14 00 27 32.3 245.0 3.4 42.8 0 1 1 472 10 03 50 10 08 53 =1036+054 14 05 27 31.5 246.1 3.4 43.2 299 F 1 482 10 03 50 Next scan frequencies: 15349.49 15349.49 15357.49 15357.49 15365.49 15365.49 15373.49 15373.49 Next BBC frequencies: 749.49 749.49 757.49 757.49 765.49 765.49 773.49 773.49 10 08 58 J1038+0512 14 05 31 31.4 246.1 3.4 43.2 0 1 1 482 10 08 53 10 13 57 =1036+054 14 10 31 30.6 247.2 3.5 43.7 299 F 1 492 10 08 53 10 15 26 J1128+5925 14 12 01 59.4 319.1 2.7 106.7 26 1 1 492 10 15 26 10 33 53 =1125+596 14 30 31 57.1 318.0 3.0 101.8 1107 F 1 528 10 15 44 Next scan frequencies: 8405.49 8405.49 8413.49 8413.49 8421.49 8421.49 8429.49 8429.49 Next BBC frequencies: 805.49 805.49 813.49 813.49 821.49 821.49 829.49 829.49 10 33 58 J1128+5925 14 30 36 57.1 318.0 3.0 101.8 0 1 1 528 10 33 53 10 52 25 =1125+596 14 49 06 54.8 317.3 3.3 97.2 1107 F 1 563 10 33 53 Schedule for VLBA_NL (Code Nl ) Page 7 BG176 / Annual modulation candidate J1128+5925 / Gabanyi et al. 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. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. 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) SYNC ---------------------------------------------------------------------------------------- --- Thu 21 Feb 2008 Day 52 --- 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 10 52 29 J1128+5925 14 49 10 54.8 317.3 3.3 97.2 0 1 1 563 10 52 25 11 10 56 =1125+596 15 07 40 52.4 317.0 3.6 92.9 1107 F 1 599 10 52 25 11 13 07 J1038+0512 15 09 51 20.0 258.6 4.5 47.2 60 1 1 599 11 13 07 11 17 36 =1036+054 15 14 21 19.2 259.4 4.6 47.4 269 F 1 608 11 13 25 Next scan frequencies: 8405.49 8405.49 8413.49 8413.49 8421.49 8421.49 8429.49 8429.49 Next BBC frequencies: 805.49 805.49 813.49 813.49 821.49 821.49 829.49 829.49 11 17 41 J1038+0512 15 14 26 19.2 259.5 4.6 47.4 0 1 1 608 11 17 36 11 22 10 =1036+054 15 18 56 18.4 260.3 4.7 47.6 269 F 1 617 11 17 36 Next scan frequencies: 15349.49 15349.49 15357.49 15357.49 15365.49 15365.49 15373.49 15373.49 Next BBC frequencies: 749.49 749.49 757.49 757.49 765.49 765.49 773.49 773.49 11 22 15 J1038+0512 15 19 00 18.3 260.3 4.7 47.6 0 1 1 617 11 22 10 11 26 44 =1036+054 15 23 30 17.5 261.1 4.7 47.7 269 F 1 626 11 22 10 11 28 03 J0927+3902 15 24 50 25.2 300.8 6.0 55.5 47 1 1 626 11 28 03 11 32 03 =0923+392 15 28 50 24.6 301.3 6.0 55.1 239 F 1 633 11 28 21 Next scan frequencies: 8405.49 8405.49 8413.49 8413.49 8421.49 8421.49 8429.49 8429.49 Next BBC frequencies: 805.49 805.49 813.49 813.49 821.49 821.49 829.49 829.49 11 32 07 J0927+3902 15 28 54 24.6 301.3 6.0 55.1 0 1 1 633 11 32 03 11 36 07 =0923+392 15 32 54 23.9 301.8 6.1 54.7 239 F 1 641 11 32 03 Schedule for VLBA_NL (Code Nl ) Page 8 BG176 / Annual modulation candidate J1128+5925 / Gabanyi et al. 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. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. 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) SYNC ---------------------------------------------------------------------------------------- --- Thu 21 Feb 2008 Day 52 --- 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 11 36 11 J0927+3902 15 32 59 23.9 301.8 6.1 54.7 0 1 1 641 11 36 07 11 40 10 =0923+392 15 36 59 23.3 302.3 6.2 54.2 239 F 1 649 11 36 07 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: /users/cwalker/sched/setups/v6cm-256-8-2.set Matches group v6cm_2 in /users/cwalker/sched/catalogs/freq.dat Setup group: 3 Station: VLBA_NL Total bit rate: 256 Format: VLBA1:2 Bits per sample: 2 Sample rate: 16.000 Number of channels: 8 Speedup factor: 1.00 Disk used to record data. 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: 3 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_off Setup file: /users/cwalker/sched/setups/v4cm-256-8-2.set Matches group v4cm_3 in /users/cwalker/sched/catalogs/freq.dat Setup group: 13 Station: VLBA_NL Total bit rate: 256 Format: VLBA1:2 Bits per sample: 2 Sample rate: 16.000 Number of channels: 8 Speedup factor: 1.00 Disk used to record data. 1st LO= 7600.00 7600.00 7600.00 7600.00 7600.00 7600.00 7600.00 7600.00 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 = B D B D B D B D VLBA FE= omit 4cm omit 4cm VLBA Synth= 7.6 15.4 15.4 The following frequency sets based on this setup were used. Frequency Set: 13 Setup file default. Used pcal sets: 1 LO sum= 8405.49 8405.49 8413.49 8413.49 8421.49 8421.49 8429.49 8429.49 BBC fr= 805.49 805.49 813.49 813.49 821.49 821.49 829.49 829.49 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_off Setup file: /users/cwalker/sched/setups/v2cm-256-8-2.set Matches group v2cm_d3 in /users/cwalker/sched/catalogs/freq.dat Fourth 2cm filter Setup group: 23 Station: VLBA_NL Total bit rate: 256 Format: VLBA1:2 Bits per sample: 2 Sample rate: 16.000 Number of channels: 8 Speedup factor: 1.00 Disk used to record data. 1st LO= 14600.00 14600.00 14600.00 14600.00 14600.00 14600.00 14600.00 14600.00 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 = B D B D B D B D VLBA FE= omit 2cm omit 2cm VLBA Synth= 14.6 10.9 10.9 The following frequency sets based on this setup were used. Frequency Set: 23 Setup file default. Used pcal sets: 1 LO sum= 15349.49 15349.49 15357.49 15357.49 15365.49 15365.49 15373.49 15373.49 BBC fr= 749.49 749.49 757.49 757.49 765.49 765.49 773.49 773.49 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_off SOURCE LIST -- BG176 / Annual modulation candidate J1128+5925 / Gabanyi et al. 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). Scan hours are for recording scans only. Baseline hours are only counted for scans above horizon at both ends. Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * J0927+3902 09 23 55.319213 * 09 27 03.013934 09 27 36.268624 0.26 0923+392 39 15 23.56648 * 39 02 20.85188 39 00 10.25798 0.40 4C39.25 /users/cwalker/sched/catalogs/sources.vlba J0927+39 VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro 0.598 scan hours, 25.130 baseline hours above horizon. * J1038+0512 10 36 10.827237 * 10 38 46.779890 10 39 14.123897 0.31 1036+054 05 28 06.89953 * 05 12 29.08646 05 09 47.40800 0.26 /users/cwalker/sched/catalogs/sources.vlba VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro 1.222 scan hours, 51.757 baseline hours above horizon. * J1128+5925 11 25 23.181652 * 11 28 13.340676 11 28 44.842902 0.43 1125+596 59 41 46.14397 * 59 25 14.79866 59 22 19.95054 0.41 J1128+59 /users/cwalker/sched/catalogs/sources.vlba VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro 3.740 scan hours, 168.289 baseline hours above horizon. 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) J0927+3902 149.7 J1038+0512 172.1 J1128+5925 129.5 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