COVER INFORMATION Station: BADARY (Code Bd ) Experiment: EVN Astrometry of PSR J1022+1001 Exp. Code: EY010D 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 BADARY (Code Bd ) 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 24 Feb 2011 Day 55 --- 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: 854.39 854.39 854.39 854.39 870.39 870.39 870.39 870.39 886.39 886.39 886.39 886.39 902.39 902.39 902.39 902.39 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 18 00 00 J0927+3902 11 05 59 68.7 602.8 1.6 45.1 0 0 18 00 00 18 07 00 =0923+392 11 13 00 67.7 605.4 1.8 46.4 420 27 18 00 01 18 12 30 J1025+1253 11 18 31 49.7 559.8 0.9 12.4 262 27 18 12 30 18 14 30 =1023+131 11 20 32 49.6 560.5 0.9 12.9 120 35 18 12 31 18 14 30 J1022+1001 11 20 32 46.6 560.6 0.9 12.8 -20 35 No stop 18 22 45 --- 11 28 48 46.1 563.5 1.1 14.5 475 67 18 14 31 18 23 30 J1025+1253 11 29 33 49.0 563.8 1.0 14.8 25 67 18 23 30 18 25 00 =1023+131 11 31 03 49.0 564.3 1.1 15.2 90 73 18 23 31 18 25 00 J1022+1001 11 31 03 46.0 564.3 1.1 15.0 -20 73 No stop 18 28 15 --- 11 34 19 45.8 565.4 1.2 15.6 175 85 18 25 01 18 29 00 J1025+1253 11 35 04 48.7 565.8 1.1 16.0 25 85 18 29 00 18 30 30 =1023+131 11 36 34 48.6 566.3 1.2 16.3 90 91 18 29 01 18 30 30 J1022+1001 11 36 34 45.6 566.2 1.2 16.1 -20 91 No stop 18 33 45 --- 11 39 50 45.4 567.3 1.3 16.7 175 104 18 30 31 18 33 45 J1025+1253 11 39 50 48.4 567.5 1.2 17.0 -20 104 No stop 18 35 15 =1023+131 11 41 20 48.2 568.0 1.2 17.3 70 109 18 33 46 18 35 15 J1022+1001 11 41 20 45.3 567.8 1.3 17.0 -20 109 No stop 18 38 30 --- 11 44 36 45.1 568.9 1.3 17.6 175 122 18 35 16 18 39 15 J1025+1253 11 45 21 48.0 569.4 1.3 18.1 25 122 18 39 15 18 40 45 =1023+131 11 46 51 47.8 569.9 1.3 18.4 90 128 18 39 16 18 40 45 J1022+1001 11 46 51 44.9 569.6 1.4 18.1 -20 128 No stop 18 44 00 --- 11 50 07 44.6 570.7 1.4 18.7 175 140 18 40 46 Schedule for BADARY (Code Bd ) 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 24 Feb 2011 Day 55 --- 18 44 00 J1025+1253 11 50 07 47.6 571.0 1.4 19.1 -20 140 No stop 18 45 30 =1023+131 11 51 37 47.5 571.5 1.4 19.4 70 146 18 44 01 18 45 30 J1022+1001 11 51 37 44.5 571.2 1.5 19.0 -20 146 No stop 18 48 45 --- 11 54 52 44.2 572.2 1.5 19.6 175 159 18 45 31 18 49 30 J1025+1253 11 55 37 47.1 572.9 1.5 20.2 25 159 18 49 30 18 51 00 =1023+131 11 57 08 47.0 573.4 1.5 20.4 90 165 18 49 31 18 51 00 J1022+1001 11 57 08 44.1 573.0 1.6 20.0 -20 165 No stop 18 54 15 --- 12 00 23 43.8 574.0 1.6 20.6 175 177 18 51 01 18 54 15 J1025+1253 12 00 23 46.7 574.5 1.6 21.1 -20 177 No stop 18 55 45 =1023+131 12 01 53 46.6 575.0 1.6 21.3 70 183 18 54 16 18 55 45 J1022+1001 12 01 53 43.7 574.5 1.6 20.8 -20 183 No stop 18 59 00 --- 12 05 09 43.4 575.5 1.7 21.4 175 195 18 55 46 18 59 45 J1025+1253 12 05 54 46.2 576.3 1.7 22.1 25 195 18 59 45 19 01 15 =1023+131 12 07 24 46.1 576.8 1.7 22.3 90 201 18 59 46 19 01 15 J1022+1001 12 07 24 43.2 576.2 1.7 21.8 -20 201 No stop 19 04 30 --- 12 10 40 42.9 577.2 1.8 22.3 175 214 19 01 16 19 04 30 J1025+1253 12 10 40 45.8 577.8 1.7 22.9 -20 214 No stop 19 06 00 =1023+131 12 12 10 45.6 578.3 1.8 23.2 70 220 19 04 31 19 06 00 J1022+1001 12 12 10 42.7 577.7 1.8 22.6 -20 220 No stop 19 09 15 --- 12 15 26 42.4 578.7 1.9 23.1 175 232 19 06 01 19 10 00 J1025+1253 12 16 11 45.2 579.6 1.8 23.9 25 232 19 10 00 19 12 00 =1023+131 12 18 11 45.1 580.2 1.9 24.2 120 240 19 10 01 19 15 55 J0927+3902 12 22 07 57.4 624.4 2.9 52.4 170 240 19 15 55 19 23 15 =0923+392 12 29 28 56.3 625.9 3.0 52.6 440 268 19 15 56 19 27 05 J1025+1253 12 33 19 43.5 584.9 2.1 26.6 166 268 19 27 05 19 29 05 =1023+131 12 35 19 43.2 585.5 2.1 26.9 120 276 19 27 06 19 29 05 J1022+1001 12 35 19 40.4 584.6 2.2 26.2 -20 276 No stop 19 32 20 --- 12 38 34 40.0 585.6 2.2 26.7 175 289 19 29 06 19 33 05 J1025+1253 12 39 20 42.8 586.7 2.2 27.5 25 289 19 33 05 19 34 35 =1023+131 12 40 50 42.6 587.1 2.2 27.7 90 294 19 33 06 Schedule for BADARY (Code Bd ) 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 24 Feb 2011 Day 55 --- 19 34 35 J1022+1001 12 40 50 39.8 586.2 2.3 27.0 -20 294 No stop 19 37 50 --- 12 44 05 39.4 587.1 2.3 27.4 175 307 19 34 36 19 37 50 J1025+1253 12 44 05 42.3 588.1 2.3 28.2 -20 307 No stop 19 39 20 =1023+131 12 45 36 42.1 588.5 2.3 28.4 70 313 19 37 51 19 39 20 J1022+1001 12 45 36 39.2 587.6 2.4 27.6 -20 313 No stop 19 42 35 --- 12 48 51 38.8 588.5 2.4 28.1 175 325 19 39 21 19 43 20 J1025+1253 12 49 36 41.6 589.6 2.4 28.9 25 325 19 43 20 19 44 50 =1023+131 12 51 07 41.4 590.1 2.4 29.1 90 331 19 43 21 19 44 50 J1022+1001 12 51 07 38.6 589.1 2.5 28.4 -20 331 No stop 19 48 05 --- 12 54 22 38.2 590.0 2.5 28.8 175 344 19 44 51 19 48 05 J1025+1253 12 54 22 41.0 591.0 2.5 29.6 -20 344 No stop 19 49 35 =1023+131 12 55 52 40.9 591.4 2.5 29.7 70 350 19 48 06 19 49 35 J1022+1001 12 55 52 38.0 590.4 2.5 29.0 -20 350 No stop 19 52 50 --- 12 59 08 37.6 591.3 2.6 29.4 175 362 19 49 36 19 53 35 J1025+1253 12 59 53 40.4 592.5 2.6 30.2 25 362 19 53 35 19 55 05 =1023+131 13 01 23 40.2 593.0 2.6 30.4 90 368 19 53 36 19 55 05 J1022+1001 13 01 23 37.3 591.9 2.6 29.6 -20 368 No stop 19 58 20 --- 13 04 39 36.9 592.8 2.7 30.0 175 381 19 55 06 19 58 20 J1025+1253 13 04 39 39.8 593.8 2.6 30.8 -20 381 No stop 19 59 50 =1023+131 13 06 09 39.6 594.3 2.7 31.0 70 386 19 58 21 19 59 50 J1022+1001 13 06 09 36.8 593.2 2.7 30.2 -20 386 No stop 20 03 05 --- 13 09 25 36.4 594.1 2.8 30.6 175 399 19 59 51 20 03 50 J1025+1253 13 10 10 39.1 595.3 2.7 31.5 25 399 20 03 50 20 05 20 =1023+131 13 11 40 38.9 595.7 2.8 31.6 90 405 20 03 51 20 05 20 J1022+1001 13 11 40 36.1 594.6 2.8 30.8 -20 405 No stop 20 08 35 --- 13 14 55 35.7 595.5 2.9 31.2 175 417 20 05 21 20 08 35 J1025+1253 13 14 55 38.5 596.6 2.8 32.0 -20 417 No stop 20 10 05 =1023+131 13 16 26 38.3 597.0 2.8 32.2 70 423 20 08 36 20 10 05 J1022+1001 13 16 26 35.5 595.9 2.9 31.3 -20 423 No stop 20 13 20 --- 13 19 41 35.0 596.7 2.9 31.7 175 436 20 10 06 Schedule for BADARY (Code Bd ) 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 24 Feb 2011 Day 55 --- 20 14 05 J1025+1253 13 20 26 37.8 598.0 2.9 32.6 25 436 20 14 05 20 15 35 =1023+131 13 21 57 37.6 598.4 2.9 32.7 90 442 20 14 06 20 15 35 J1022+1001 13 21 57 34.8 597.3 3.0 31.9 -20 442 No stop 20 18 50 --- 13 25 12 34.3 598.1 3.0 32.2 175 454 20 15 36 20 18 50 J1025+1253 13 25 12 37.1 599.3 3.0 33.1 -20 454 No stop 20 20 20 =1023+131 13 26 42 36.9 599.7 3.0 33.2 70 460 20 18 51 20 20 20 J1022+1001 13 26 42 34.1 598.5 3.1 32.4 -20 460 No stop 20 23 35 --- 13 29 58 33.7 599.3 3.1 32.7 175 473 20 20 21 20 24 20 J1025+1253 13 30 43 36.4 600.7 3.1 33.6 25 473 20 24 20 20 25 50 =1023+131 13 32 13 36.2 601.1 3.1 33.7 90 478 20 24 21 20 25 50 J1022+1001 13 32 13 33.4 599.9 3.1 32.9 -20 478 No stop 20 29 05 --- 13 35 29 33.0 600.7 3.2 33.2 175 491 20 25 51 20 29 05 J1025+1253 13 35 29 35.8 601.9 3.1 34.0 -20 491 No stop 20 30 35 =1023+131 13 36 59 35.5 602.2 3.2 34.2 70 497 20 29 06 20 30 35 J1022+1001 13 36 59 32.8 601.1 3.2 33.4 -20 497 No stop 20 33 50 --- 13 40 15 32.3 601.8 3.3 33.6 175 509 20 30 36 20 34 35 J1025+1253 13 41 00 35.0 603.2 3.2 34.5 25 509 20 34 35 20 36 05 =1023+131 13 42 30 34.8 603.6 3.3 34.6 90 515 20 34 36 20 36 05 J1022+1001 13 42 30 32.0 602.4 3.3 33.8 -20 515 No stop 20 39 20 --- 13 45 45 31.6 603.2 3.4 34.1 175 528 20 36 06 20 39 20 J1025+1253 13 45 45 34.3 604.4 3.3 34.9 -20 528 No stop 20 40 50 =1023+131 13 47 16 34.1 604.8 3.3 35.0 70 534 20 39 21 20 40 50 J1022+1001 13 47 16 31.3 603.5 3.4 34.2 -20 534 No stop 20 44 05 --- 13 50 31 30.9 604.3 3.4 34.5 175 546 20 40 51 20 44 50 J1025+1253 13 51 16 33.6 605.7 3.4 35.3 25 546 20 44 50 20 46 20 =1023+131 13 52 47 33.3 606.1 3.4 35.5 90 552 20 44 51 20 46 20 J1022+1001 13 52 47 30.6 604.8 3.5 34.7 -20 552 No stop 20 49 35 --- 13 56 02 30.1 605.6 3.5 34.9 175 564 20 46 21 20 49 35 J1025+1253 13 56 02 32.9 606.8 3.5 35.7 -20 564 No stop 20 51 05 =1023+131 13 57 32 32.7 607.2 3.5 35.8 70 570 20 49 36 Schedule for BADARY (Code Bd ) 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 24 Feb 2011 Day 55 --- 20 51 05 J1022+1001 13 57 32 29.9 606.0 3.6 35.0 -20 570 No stop 20 54 20 --- 14 00 48 29.4 606.7 3.6 35.2 175 583 20 51 06 20 55 05 J1025+1253 14 01 33 32.1 608.1 3.6 36.1 25 583 20 55 05 20 56 35 =1023+131 14 03 03 31.9 608.5 3.6 36.2 90 589 20 55 06 20 56 35 J1022+1001 14 03 03 29.1 607.2 3.7 35.4 -20 589 No stop 20 59 50 --- 14 06 19 28.7 608.0 3.7 35.6 175 601 20 56 36 20 59 50 J1025+1253 14 06 19 31.4 609.2 3.7 36.4 -20 601 No stop 21 01 20 =1023+131 14 07 49 31.2 609.6 3.7 36.5 70 607 20 59 51 21 01 20 J1022+1001 14 07 49 28.4 608.3 3.7 35.7 -20 607 No stop 21 04 35 --- 14 11 05 28.0 609.1 3.8 35.9 175 620 21 01 21 21 05 20 J1025+1253 14 11 50 30.6 610.5 3.8 36.7 25 620 21 05 20 21 06 50 =1023+131 14 13 20 30.4 610.8 3.8 36.8 90 625 21 05 21 21 06 50 J1022+1001 14 13 20 27.7 609.6 3.8 36.1 -20 625 No stop 21 10 05 --- 14 16 36 27.2 610.3 3.9 36.3 175 638 21 06 51 21 10 05 J1025+1253 14 16 36 29.9 611.6 3.8 37.0 -20 638 No stop 21 11 35 =1023+131 14 18 06 29.7 611.9 3.9 37.1 70 644 21 10 06 21 11 35 J1022+1001 14 18 06 27.0 610.6 3.9 36.4 -20 644 No stop 21 14 50 --- 14 21 21 26.5 611.4 4.0 36.5 175 656 21 11 36 21 15 35 J1025+1253 14 22 06 29.1 612.8 3.9 37.3 25 656 21 15 35 21 17 05 =1023+131 14 23 37 28.9 613.1 4.0 37.4 90 662 21 15 36 21 17 05 J1022+1001 14 23 37 26.1 611.8 4.0 36.7 -20 662 No stop 21 20 20 --- 14 26 52 25.7 612.6 4.1 36.8 175 675 21 17 06 21 20 20 J1025+1253 14 26 52 28.4 613.9 4.0 37.6 -20 675 No stop 21 21 50 =1023+131 14 28 22 28.2 614.2 4.0 37.6 70 681 21 20 21 21 21 50 J1022+1001 14 28 22 25.4 612.9 4.1 36.9 -20 681 No stop 21 25 05 --- 14 31 38 25.0 613.6 4.1 37.1 175 693 21 21 51 21 25 50 J1025+1253 14 32 23 27.6 615.1 4.1 37.8 25 693 21 25 50 21 27 20 =1023+131 14 33 53 27.3 615.4 4.1 37.9 90 699 21 25 51 21 27 20 J1022+1001 14 33 53 24.6 614.1 4.2 37.2 -20 699 No stop 21 30 35 --- 14 37 09 24.1 614.8 4.2 37.3 175 712 21 27 21 Schedule for BADARY (Code Bd ) 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 24 Feb 2011 Day 55 --- 21 30 35 J1025+1253 14 37 09 26.9 616.1 4.2 38.0 -20 712 No stop 21 32 05 =1023+131 14 38 39 26.6 616.4 4.2 38.1 70 717 21 30 36 21 32 05 J1022+1001 14 38 39 23.9 615.1 4.3 37.4 -20 717 No stop 21 35 20 --- 14 41 55 23.4 615.8 4.3 37.5 175 730 21 32 06 21 36 05 J1025+1253 14 42 40 26.0 617.3 4.3 38.2 25 730 21 36 05 21 37 35 =1023+131 14 44 10 25.8 617.6 4.3 38.3 90 736 21 36 06 21 37 35 J1022+1001 14 44 10 23.1 616.3 4.3 37.6 -20 736 No stop 21 40 50 --- 14 47 26 22.6 617.0 4.4 37.7 175 748 21 37 36 21 40 50 J1025+1253 14 47 26 25.3 618.3 4.3 38.4 -20 748 No stop 21 42 20 =1023+131 14 48 56 25.1 618.6 4.4 38.5 70 754 21 40 51 21 42 20 J1022+1001 14 48 56 22.4 617.3 4.4 37.8 -20 754 No stop 21 45 35 --- 14 52 11 21.9 618.0 4.5 37.9 175 767 21 42 21 21 46 20 J1025+1253 14 52 56 24.5 619.4 4.4 38.6 25 767 21 46 20 21 48 20 =1023+131 14 54 57 24.2 619.9 4.5 38.7 120 774 21 46 21 21 53 05 J1310+3220 14 59 43 62.2 596.0 1.8 37.4 216 774 21 53 05 22 00 00 =1308+326 15 06 39 61.3 598.4 1.9 38.6 415 801 21 53 06 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: eyan.18cm --- WARNING --- This group does not match an entry in the frequency catalog. This might be ok because the catalog is not complete. But be very careful to be sure that the setup is correct. Setup group: 11 Station: BADARY 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= 780.10 780.10 780.10 780.10 780.10 780.10 780.10 780.10 780.10 780.10 780.10 780.10 780.10 780.10 780.10 780.10 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 = 1 2 1 2 3 6 3 6 4 7 4 7 5 8 5 8 BBC SB= L L U U L L U U L L U U L L U U IF = A C A C A C A C A C A C A C A C The following frequency sets based on this setup were used. Frequency Set: 10 Setup file default. Used pcal sets: 1 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= 854.39 854.39 854.39 854.39 870.39 870.39 870.39 870.39 886.39 886.39 886.39 886.39 902.39 902.39 902.39 902.39 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 The following pulse cal sets were used with this setup: Pulse cal detection set: 1 PCAL = 1MHZ PCALXB1= S1 S3 S5 S7 S9 S11 S13 S15 PCALXB2= S2 S4 S6 S8 S10 S12 S14 S16 PCALFR1= 490 510 490 510 490 510 490 510 PCALFR2= 490 510 490 510 490 510 490 510 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 35.816347 0.00 10 17 03.79035 * 10 01 52.61483 09 58 14.74628 0.00 From catalog imbedded in main SCHED input file. 2.087 scan and 101.976 baseline hours in setup: eyan.18cm * J0927+3902 09 23 55.319214 * 09 27 03.013935 09 27 47.749853 0.26 0923+392 39 15 23.56647 * 39 02 20.85187 38 59 16.13565 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 13.139 baseline hours in setup: eyan.18cm * J1025+1253 10 23 16.285228 * 10 25 56.285369 10 26 34.405706 0.31 1023+131 13 09 05.49493 * 12 53 49.02205 12 50 09.91298 0.21 From catalog imbedded in main SCHED input file. VLBA Calib Survey - GSFC sols. - created L.Petrov 2008a_astro 1.008 scan and 46.419 baseline hours in setup: eyan.18cm * J1310+3220 13 08 07.560131 * 13 10 28.663850 13 11 02.203249 0.24 1308+326 32 36 40.23883 * 32 20 43.78290 32 16 50.31523 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 6.340 baseline hours in setup: eyan.18cm 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 178.2 J0927+3902 147.2 J1025+1253 176.4 J1310+3220 136.5 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