COVER INFORMATION Station: HART (Code Hh ) Experiment: EVN Astrometry of PSR J1022+1001 Exp. Code: EY010E Schedule Version: 1.00 Processed by SCHED version: 9.40 Release Jan. 13, 2011. PI: Zhen Yan Address: Shanghai Astronomical Observatory NO.80 Nandan Road Shanghai China Phone: 86-13402136110 EMAIL: yanzhen@shao.ac.cn,zshen@shao.ac.cn Fax: 86-21-64281104 Phone during observation: 86-13402136110 Observing mode: Phase-referencing of a source at 18cm (512 Mb/s) Notes: Target source: PSR J1022+1001, s=3mJy(1.4GHz) Phase calibrator source: J1025+1253, s=0.88Jy(S-band) Fringe finder, etc: J0927+3902 (4C39.25), s=4.71Jy(S-band) Fringe finder, etc: J1310+3220 (1308+326), s=2.23Jy(S-band) Schedule for HART (Code Hh ) Page 2 EVN Astrometry of PSR J1022+1001 UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Thu 9 Jun 2011 Day 160 --- Next scan frequencies: 1634.49 1634.49 1634.49 1634.49 1650.49 1650.49 1650.49 1650.49 1666.49 1666.49 1666.49 1666.49 1682.49 1682.49 1682.49 1682.49 Next BBC frequencies: 124.49 124.49 124.49 124.49 140.49 140.49 140.49 140.49 156.49 156.49 156.49 156.49 172.49 172.49 172.49 172.49 Next scan bandwidths: 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 11 20 00 J0927+3902 06 20 40 11.8 35.3 -3.1 0.0 0 0 11 20 00 11 27 00 =0923+392 06 27 41 12.7 34.3 -3.0 0.0 420 27 11 20 04 11 32 30 J1025+1253 06 33 12 21.3 63.0 -3.9 0.0 251 27 11 32 30 11 34 30 =1023+131 06 35 13 21.7 62.7 -3.9 0.0 120 35 11 32 34 11 34 30 J1022+1001 06 35 13 23.9 64.8 -3.8 0.0 -33 35 No stop 11 42 45 --- 06 43 29 25.6 63.5 -3.7 0.0 462 67 11 34 34 11 43 30 J1025+1253 06 44 14 23.5 61.3 -3.7 0.0 12 67 11 43 30 11 45 00 =1023+131 06 45 44 23.8 61.1 -3.7 0.0 90 73 11 43 34 11 45 00 J1022+1001 06 45 44 26.1 63.1 -3.6 0.0 -33 73 No stop 11 48 15 --- 06 49 00 26.7 62.6 -3.6 0.0 162 85 11 45 04 11 49 00 J1025+1253 06 49 45 24.6 60.4 -3.6 0.0 12 85 11 49 00 11 50 30 =1023+131 06 51 15 24.9 60.2 -3.6 0.0 90 91 11 49 04 11 50 30 J1022+1001 06 51 15 27.2 62.3 -3.5 0.0 -33 91 No stop 11 53 45 --- 06 54 31 27.8 61.7 -3.5 0.0 162 104 11 50 34 11 53 45 J1025+1253 06 54 31 25.5 59.6 -3.5 0.0 -33 104 No stop 11 55 15 =1023+131 06 56 01 25.8 59.4 -3.5 0.0 57 109 11 53 49 11 55 15 J1022+1001 06 56 01 28.1 61.5 -3.5 0.0 -33 109 No stop 11 58 30 --- 06 59 17 28.8 60.9 -3.4 0.0 162 122 11 55 19 11 59 15 J1025+1253 07 00 02 26.6 58.7 -3.4 0.0 12 122 11 59 15 12 00 45 =1023+131 07 01 32 26.9 58.5 -3.4 0.0 90 128 11 59 19 12 00 45 J1022+1001 07 01 32 29.2 60.5 -3.4 0.0 -33 128 No stop 12 04 00 --- 07 04 47 29.8 60.0 -3.3 0.0 162 140 12 00 49 Schedule for HART (Code Hh ) Page 3 EVN Astrometry of PSR J1022+1001 UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Thu 9 Jun 2011 Day 160 --- 12 04 00 J1025+1253 07 04 47 27.5 57.9 -3.4 0.0 -33 140 No stop 12 05 30 =1023+131 07 06 18 27.8 57.7 -3.3 0.0 57 146 12 04 04 12 05 30 J1022+1001 07 06 18 30.1 59.7 -3.3 0.0 -33 146 No stop 12 08 45 --- 07 09 33 30.8 59.1 -3.2 0.0 162 159 12 05 34 12 09 30 J1025+1253 07 10 18 28.5 57.0 -3.3 0.0 12 159 12 09 30 12 11 00 =1023+131 07 11 49 28.8 56.7 -3.2 0.0 90 165 12 09 34 12 11 00 J1022+1001 07 11 49 31.2 58.7 -3.2 0.0 -33 165 No stop 12 14 15 --- 07 15 04 31.8 58.2 -3.1 0.0 162 177 12 11 04 12 14 15 J1025+1253 07 15 04 29.4 56.1 -3.2 0.0 -33 177 No stop 12 15 45 =1023+131 07 16 34 29.7 55.9 -3.2 0.0 57 183 12 14 19 12 15 45 J1022+1001 07 16 34 32.1 57.9 -3.1 0.0 -33 183 No stop 12 19 00 --- 07 19 50 32.7 57.3 -3.1 0.0 162 195 12 15 49 12 19 45 J1025+1253 07 20 35 30.5 55.1 -3.1 0.0 12 195 12 19 45 12 21 15 =1023+131 07 22 05 30.7 54.8 -3.1 0.0 90 201 12 19 49 12 21 15 J1022+1001 07 22 05 33.1 56.8 -3.0 0.0 -33 201 No stop 12 24 30 --- 07 25 21 33.8 56.2 -3.0 0.0 162 214 12 21 19 12 24 30 J1025+1253 07 25 21 31.3 54.2 -3.0 0.0 -33 214 No stop 12 26 00 =1023+131 07 26 51 31.6 53.9 -3.0 0.0 57 220 12 24 34 12 26 00 J1022+1001 07 26 51 34.0 55.9 -2.9 0.0 -33 220 No stop 12 29 15 --- 07 30 07 34.6 55.3 -2.9 0.0 162 232 12 26 04 12 30 00 J1025+1253 07 30 52 32.3 53.2 -2.9 0.0 12 232 12 30 00 12 32 00 =1023+131 07 32 52 32.7 52.8 -2.9 0.0 120 240 12 30 04 12 35 55 J0927+3902 07 36 48 20.1 22.7 -1.8 0.0 156 240 12 35 55 12 43 15 =0923+392 07 44 09 20.7 21.3 -1.7 0.0 440 268 12 35 59 12 47 05 J1025+1253 07 48 00 35.3 49.7 -2.6 0.0 151 268 12 47 05 12 49 05 =1023+131 07 50 00 35.7 49.3 -2.6 0.0 120 276 12 47 09 12 49 05 J1022+1001 07 50 00 38.2 51.1 -2.6 0.0 -33 276 No stop 12 52 20 --- 07 53 15 38.8 50.4 -2.5 0.0 162 289 12 49 09 12 53 05 J1025+1253 07 54 01 36.4 48.4 -2.5 0.0 12 289 12 53 05 12 54 35 =1023+131 07 55 31 36.6 48.1 -2.5 0.0 90 294 12 53 09 Schedule for HART (Code Hh ) Page 4 EVN Astrometry of PSR J1022+1001 UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Thu 9 Jun 2011 Day 160 --- 12 54 35 J1022+1001 07 55 31 39.2 49.9 -2.5 0.0 -33 294 No stop 12 57 50 --- 07 58 46 39.7 49.2 -2.4 0.0 162 307 12 54 39 12 57 50 J1025+1253 07 58 46 37.2 47.3 -2.5 0.0 -33 307 No stop 12 59 20 =1023+131 08 00 17 37.4 47.0 -2.4 0.0 57 313 12 57 54 12 59 20 J1022+1001 08 00 17 40.0 48.8 -2.4 0.0 -33 313 No stop 13 02 35 --- 08 03 32 40.5 48.0 -2.3 0.0 162 325 12 59 24 13 03 20 J1025+1253 08 04 17 38.1 46.1 -2.4 0.0 12 325 13 03 20 13 04 50 =1023+131 08 05 47 38.3 45.7 -2.3 0.0 90 331 13 03 24 13 04 50 J1022+1001 08 05 47 40.9 47.5 -2.3 0.0 -33 331 No stop 13 08 05 --- 08 09 03 41.5 46.7 -2.2 0.0 162 344 13 04 54 13 08 05 J1025+1253 08 09 03 38.8 45.0 -2.3 0.0 -33 344 No stop 13 09 35 =1023+131 08 10 33 39.1 44.6 -2.3 0.0 57 350 13 08 09 13 09 35 J1022+1001 08 10 33 41.7 46.3 -2.2 0.0 -33 350 No stop 13 12 50 --- 08 13 49 42.2 45.5 -2.2 0.0 162 362 13 09 39 13 13 35 J1025+1253 08 14 34 39.7 43.6 -2.2 0.0 12 362 13 13 35 13 15 05 =1023+131 08 16 04 39.9 43.3 -2.2 0.0 90 368 13 13 39 13 15 05 J1022+1001 08 16 04 42.6 45.0 -2.1 0.0 -33 368 No stop 13 18 20 --- 08 19 20 43.1 44.1 -2.1 0.0 162 381 13 15 09 13 18 20 J1025+1253 08 19 20 40.4 42.5 -2.1 0.0 -33 381 No stop 13 19 50 =1023+131 08 20 50 40.6 42.1 -2.1 0.0 57 386 13 18 24 13 19 50 J1022+1001 08 20 50 43.3 43.7 -2.0 0.0 -33 386 No stop 13 23 05 --- 08 24 05 43.8 42.9 -2.0 0.0 162 399 13 19 54 13 23 50 J1025+1253 08 24 51 41.2 41.1 -2.0 0.0 12 399 13 23 50 13 25 20 =1023+131 08 26 21 41.5 40.7 -2.0 0.0 90 405 13 23 54 13 25 20 J1022+1001 08 26 21 44.2 42.2 -2.0 0.0 -33 405 No stop 13 28 35 --- 08 29 36 44.7 41.4 -1.9 0.0 162 417 13 25 24 13 28 35 J1025+1253 08 29 36 41.9 39.8 -1.9 0.0 -33 417 No stop 13 30 05 =1023+131 08 31 07 42.2 39.4 -1.9 0.0 57 423 13 28 39 13 30 05 J1022+1001 08 31 07 44.9 40.9 -1.9 0.0 -33 423 No stop 13 33 20 --- 08 34 22 45.4 40.0 -1.8 0.0 162 436 13 30 09 Schedule for HART (Code Hh ) Page 5 EVN Astrometry of PSR J1022+1001 UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Thu 9 Jun 2011 Day 160 --- 13 34 05 J1025+1253 08 35 07 42.7 38.3 -1.9 0.0 12 436 13 34 05 13 35 35 =1023+131 08 36 38 42.9 37.9 -1.8 0.0 90 442 13 34 09 13 35 35 J1022+1001 08 36 38 45.7 39.4 -1.8 0.0 -33 442 No stop 13 38 50 --- 08 39 53 46.2 38.4 -1.7 0.0 162 454 13 35 39 13 38 50 J1025+1253 08 39 53 43.4 37.0 -1.8 0.0 -33 454 No stop 13 40 20 =1023+131 08 41 23 43.6 36.6 -1.8 0.0 57 460 13 38 54 13 40 20 J1022+1001 08 41 23 46.4 38.0 -1.7 0.0 -33 460 No stop 13 43 35 --- 08 44 39 46.8 37.0 -1.6 0.0 162 473 13 40 24 13 44 20 J1025+1253 08 45 24 44.1 35.5 -1.7 0.0 12 473 13 44 20 13 45 50 =1023+131 08 46 54 44.3 35.0 -1.7 0.0 90 478 13 44 24 13 45 50 J1022+1001 08 46 54 47.1 36.3 -1.6 0.0 -33 478 No stop 13 49 05 --- 08 50 10 47.5 35.3 -1.6 0.0 162 491 13 45 54 13 49 05 J1025+1253 08 50 10 44.7 34.1 -1.6 0.0 -33 491 No stop 13 50 35 =1023+131 08 51 40 44.9 33.6 -1.6 0.0 57 497 13 49 09 13 50 35 J1022+1001 08 51 40 47.7 34.9 -1.5 0.0 -33 497 No stop 13 53 50 --- 08 54 56 48.2 33.8 -1.5 0.0 162 509 13 50 39 13 54 35 J1025+1253 08 55 41 45.4 32.4 -1.5 0.0 12 509 13 54 35 13 56 05 =1023+131 08 57 11 45.6 32.0 -1.5 0.0 90 515 13 54 39 13 56 05 J1022+1001 08 57 11 48.4 33.1 -1.4 0.0 -33 515 No stop 13 59 20 --- 09 00 26 48.8 32.1 -1.4 0.0 162 528 13 56 09 13 59 20 J1025+1253 09 00 26 46.0 31.0 -1.4 0.0 -33 528 No stop 14 00 50 =1023+131 09 01 57 46.1 30.5 -1.4 0.0 57 534 13 59 24 14 00 50 J1022+1001 09 01 57 49.0 31.6 -1.4 0.0 -33 534 No stop 14 04 05 --- 09 05 12 49.4 30.5 -1.3 0.0 162 546 14 00 54 14 04 50 J1025+1253 09 05 57 46.6 29.3 -1.3 0.0 12 546 14 04 50 14 06 20 =1023+131 09 07 28 46.8 28.8 -1.3 0.0 90 552 14 04 54 14 06 20 J1022+1001 09 07 28 49.6 29.7 -1.3 0.0 -33 552 No stop 14 09 35 --- 09 10 43 50.0 28.6 -1.2 0.0 162 564 14 06 24 14 09 35 J1025+1253 09 10 43 47.1 27.7 -1.3 0.0 -33 564 No stop 14 11 05 =1023+131 09 12 13 47.3 27.2 -1.2 0.0 57 570 14 09 39 Schedule for HART (Code Hh ) Page 6 EVN Astrometry of PSR J1022+1001 UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Thu 9 Jun 2011 Day 160 --- 14 11 05 J1022+1001 09 12 13 50.2 28.1 -1.2 0.0 -33 570 No stop 14 14 20 --- 09 15 29 50.5 27.0 -1.1 0.0 162 583 14 11 09 14 15 05 J1025+1253 09 16 14 47.7 25.9 -1.2 0.0 12 583 14 15 05 14 16 35 =1023+131 09 17 44 47.8 25.4 -1.1 0.0 90 589 14 15 09 14 16 35 J1022+1001 09 17 44 50.7 26.2 -1.1 0.0 -33 589 No stop 14 19 50 --- 09 21 00 51.0 25.0 -1.0 0.0 162 601 14 16 39 14 19 50 J1025+1253 09 21 00 48.1 24.3 -1.1 0.0 -33 601 No stop 14 21 20 =1023+131 09 22 30 48.3 23.8 -1.1 0.0 57 607 14 19 54 14 21 20 J1022+1001 09 22 30 51.2 24.4 -1.0 0.0 -33 607 No stop 14 24 35 --- 09 25 46 51.5 23.3 -1.0 0.0 162 620 14 21 24 14 25 20 J1025+1253 09 26 31 48.6 22.5 -1.0 0.0 12 620 14 25 20 14 26 50 =1023+131 09 28 01 48.7 21.9 -1.0 0.0 90 625 14 25 24 14 26 50 J1022+1001 09 28 01 51.7 22.4 -0.9 0.0 -33 625 No stop 14 30 05 --- 09 31 16 51.9 21.2 -0.9 0.0 162 638 14 26 54 14 30 05 J1025+1253 09 31 16 49.0 20.8 -0.9 0.0 -33 638 No stop 14 31 35 =1023+131 09 32 47 49.1 20.3 -0.9 0.0 57 644 14 30 09 14 31 35 J1022+1001 09 32 47 52.1 20.6 -0.8 0.0 -33 644 No stop 14 34 50 --- 09 36 02 52.3 19.4 -0.8 0.0 162 656 14 31 39 14 35 35 J1025+1253 09 36 47 49.4 18.8 -0.8 0.0 12 656 14 35 35 14 37 05 =1023+131 09 38 18 49.5 18.3 -0.8 0.0 90 662 14 35 39 14 37 05 J1022+1001 09 38 18 52.5 18.5 -0.8 0.0 -33 662 No stop 14 40 20 --- 09 41 33 52.7 17.2 -0.7 0.0 162 675 14 37 09 14 40 20 J1025+1253 09 41 33 49.8 17.1 -0.8 0.0 -33 675 No stop 14 41 50 =1023+131 09 43 03 49.9 16.6 -0.7 0.0 57 681 14 40 24 14 41 50 J1022+1001 09 43 03 52.8 16.7 -0.7 0.0 -33 681 No stop 14 45 05 --- 09 46 19 53.0 15.4 -0.6 0.0 162 693 14 41 54 14 45 50 J1025+1253 09 47 04 50.1 15.1 -0.7 0.0 12 693 14 45 50 14 47 20 =1023+131 09 48 34 50.2 14.6 -0.6 0.0 90 699 14 45 54 14 47 20 J1022+1001 09 48 34 53.1 14.5 -0.6 0.0 -33 699 No stop 14 50 35 --- 09 51 50 53.3 13.2 -0.5 0.0 162 712 14 47 24 Schedule for HART (Code Hh ) Page 7 EVN Astrometry of PSR J1022+1001 UP: D => Below limits; H => Below horizon mask; W => still slewing at end; blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Disk: GBytes recorded to this point. TPStart: Recording start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Disk TPStart Stop UT LST EL AZ HA UP ParA Dwell GBytes SYNC ---------------------------------------------------------------------------------------- --- Thu 9 Jun 2011 Day 160 --- 14 50 35 J1025+1253 09 51 50 50.4 13.3 -0.6 0.0 -33 712 No stop 14 52 05 =1023+131 09 53 20 50.4 12.8 -0.6 0.0 57 717 14 50 39 14 52 05 J1022+1001 09 53 20 53.4 12.6 -0.5 0.0 -33 717 No stop 14 55 20 --- 09 56 36 53.5 11.2 -0.4 0.0 162 730 14 52 09 14 56 05 J1025+1253 09 57 21 50.6 11.3 -0.5 0.0 12 730 14 56 05 14 57 35 =1023+131 09 58 51 50.7 10.7 -0.5 0.0 90 736 14 56 09 14 57 35 J1022+1001 09 58 51 53.6 10.3 -0.4 0.0 -33 736 No stop 15 00 50 --- 10 02 07 53.8 9.0 -0.4 0.0 162 748 14 57 39 15 00 50 J1025+1253 10 02 07 50.8 9.5 -0.4 0.0 -33 748 No stop 15 02 20 =1023+131 10 03 37 50.9 8.9 -0.4 0.0 57 754 15 00 54 15 02 20 J1022+1001 10 03 37 53.8 8.3 -0.3 0.0 -33 754 No stop 15 05 35 --- 10 06 52 53.9 7.0 -0.3 0.0 162 767 15 02 24 15 06 20 J1025+1253 10 07 37 51.0 7.3 -0.3 0.0 12 767 15 06 20 15 08 20 =1023+131 10 09 38 51.1 6.6 -0.3 0.0 120 774 15 06 24 15 13 05 J1310+3220 10 14 24 18.2 38.3 -2.9 0.0 176 774 15 13 05 15 20 00 =1308+326 10 21 20 19.2 37.1 -2.8 0.0 415 801 15 13 09 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: sess211.L512 Matching groups in /psr/soft/sched9.4/catalogs/freq.dat: hh18cm Values confirmed by E-mail Jonathan Quick 291100 (CR) Setup group: 8 Station: HART Total bit rate: 512 Format: MKIV1:2 Bits per sample: 2 Sample rate: 16.000 Number of channels: 16 DBE type: Speedup factor: 1.00 Disk used to record data. 1st LO= 1510.00 1510.00 1510.00 1510.00 1510.00 1510.00 1510.00 1510.00 1510.00 1510.00 1510.00 1510.00 1510.00 1510.00 1510.00 1510.00 Net SB= L L U U L L U U L L U U L L U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP BBC = 2 1 2 1 4 3 4 3 6 5 6 5 8 7 8 7 BBC SB= L L U U L L U U L L U U L L U U IF = 2N 1N 2N 1N 2N 1N 2N 1N 2N 1N 2N 1N 2N 1N 2N 1N The following frequency sets based on this setup were used. Frequency Set: 12 Setup file default. LO sum= 1634.49 1634.49 1634.49 1634.49 1650.49 1650.49 1650.49 1650.49 1666.49 1666.49 1666.49 1666.49 1682.49 1682.49 1682.49 1682.49 BBC fr= 124.49 124.49 124.49 124.49 140.49 140.49 140.49 140.49 156.49 156.49 156.49 156.49 172.49 172.49 172.49 172.49 Bandwd= 8.000 8.000 8.000 8.000 8.000 8.000 8.000 8.000 8.000 8.000 8.000 8.000 8.000 8.000 8.000 8.000 Track assignments are: track1= 2, 10, 18, 26, 3, 11, 19, 27, 66, 74, 82, 90, 67, 75, 83, 91 barrel=roll_off SOURCES USED IN RECORDING SCANS -- EVN Astrometry of PSR J1022+1001 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) * J1022+1001 10 20 19.263127 * 10 22 57.995628 10 23 34.997293 0.00 10 17 03.79035 * 10 01 52.61483 09 58 18.67428 0.00 From catalog imbedded in main SCHED input file. 2.087 scan and 121.213 baseline hours in setup: sess211.L512 * J0927+3902 09 23 55.319214 * 09 27 03.013935 09 27 46.230531 0.26 0923+392 39 15 23.56647 * 39 02 20.85187 38 59 24.55132 0.40 4C39.25 From catalog imbedded in main SCHED input file. J0927+39 VLBA Calib Survey - GSFC sols. - created L.Petrov 2008a_astro 0.239 scan and 15.767 baseline hours in setup: sess211.L512 * J1025+1253 10 23 16.285228 * 10 25 56.285369 10 26 33.589825 0.31 1023+131 13 09 05.49493 * 12 53 49.02205 12 50 14.85199 0.21 From catalog imbedded in main SCHED input file. VLBA Calib Survey - GSFC sols. - created L.Petrov 2008a_astro 1.008 scan and 55.534 baseline hours in setup: sess211.L512 * J1310+3220 13 08 07.560131 * 13 10 28.663850 13 11 02.541723 0.24 1308+326 32 36 40.23883 * 32 20 43.78290 32 17 07.48225 0.40 J1310+32 From catalog imbedded in main SCHED input file. VLBA Calib Survey - GSFC sols. - created L.Petrov 2008a_astro 0.115 scan and 7.608 baseline hours in setup: sess211.L512 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) J1022+1001 75.6 J0927+3902 56.5 J1025+1253 75.3 J1310+3220 100.7 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