COVER INFORMATION Station: SVETLOE (Code Sv ) 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 SVETLOE (Code Sv ) 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: 374.49 374.49 374.49 374.49 390.49 390.49 390.49 390.49 406.49 406.49 406.49 406.49 422.49 422.49 422.49 422.49 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 18 00 00 J0927+3902 06 16 11 53.5 464.0 -3.2 -37.9 0 0 18 00 00 18 07 00 =0923+392 06 23 12 54.4 465.9 -3.1 -37.5 420 27 18 00 04 18 12 30 J1025+1253 06 28 43 25.9 471.0 -4.0 -28.1 273 27 18 12 30 18 14 30 =1023+131 06 30 43 26.1 471.5 -3.9 -28.0 120 35 18 12 34 18 14 30 J1022+1001 06 30 43 23.9 473.6 -3.9 -27.2 -18 35 No stop 18 22 45 --- 06 39 00 24.9 475.6 -3.7 -26.8 477 67 18 14 34 18 23 30 J1025+1253 06 39 45 27.2 473.6 -3.8 -27.5 27 67 18 23 30 18 25 00 =1023+131 06 41 15 27.3 474.0 -3.8 -27.4 90 73 18 23 34 18 25 00 J1022+1001 06 41 15 25.1 476.2 -3.7 -26.6 -18 73 No stop 18 28 15 --- 06 44 30 25.5 477.0 -3.7 -26.4 177 85 18 25 04 18 29 00 J1025+1253 06 45 16 27.8 475.0 -3.7 -27.2 27 85 18 29 00 18 30 30 =1023+131 06 46 46 28.0 475.4 -3.7 -27.1 90 91 18 29 04 18 30 30 J1022+1001 06 46 46 25.7 477.5 -3.6 -26.3 -18 91 No stop 18 33 45 --- 06 50 01 26.1 478.3 -3.6 -26.1 177 104 18 30 34 18 33 45 J1025+1253 06 50 01 28.3 476.2 -3.6 -26.9 -18 104 No stop 18 35 15 =1023+131 06 51 32 28.5 476.5 -3.6 -26.8 72 109 18 33 49 18 35 15 J1022+1001 06 51 32 26.2 478.7 -3.5 -26.0 -18 109 No stop 18 38 30 --- 06 54 47 26.6 479.5 -3.5 -25.8 177 122 18 35 19 18 39 15 J1025+1253 06 55 32 28.9 477.5 -3.5 -26.6 27 122 18 39 15 18 40 45 =1023+131 06 57 03 29.1 477.9 -3.5 -26.5 90 128 18 39 19 18 40 45 J1022+1001 06 57 03 26.8 480.1 -3.4 -25.6 -18 128 No stop 18 44 00 --- 07 00 18 27.2 480.9 -3.4 -25.4 177 140 18 40 49 Schedule for SVETLOE (Code Sv ) 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 07 00 18 29.4 478.7 -3.4 -26.3 -19 140 No stop 18 45 30 =1023+131 07 01 48 29.6 479.1 -3.4 -26.2 71 146 18 44 04 18 45 30 J1022+1001 07 01 48 27.3 481.3 -3.4 -25.3 -18 146 No stop 18 48 45 --- 07 05 04 27.7 482.1 -3.3 -25.0 177 159 18 45 34 18 49 30 J1025+1253 07 05 49 30.0 480.1 -3.3 -25.9 26 159 18 49 30 18 51 00 =1023+131 07 07 19 30.2 480.5 -3.3 -25.8 90 165 18 49 34 18 51 00 J1022+1001 07 07 19 27.9 482.6 -3.3 -24.9 -18 165 No stop 18 54 15 --- 07 10 35 28.3 483.5 -3.2 -24.6 177 177 18 51 04 18 54 15 J1025+1253 07 10 35 30.5 481.3 -3.3 -25.5 -19 177 No stop 18 55 45 =1023+131 07 12 05 30.7 481.7 -3.2 -25.4 71 183 18 54 19 18 55 45 J1022+1001 07 12 05 28.4 483.8 -3.2 -24.5 -18 183 No stop 18 59 00 --- 07 15 21 28.7 484.7 -3.1 -24.3 177 195 18 55 49 18 59 45 J1025+1253 07 16 06 31.1 482.7 -3.2 -25.1 26 195 18 59 45 19 01 15 =1023+131 07 17 36 31.3 483.1 -3.1 -25.0 90 201 18 59 49 19 01 15 J1022+1001 07 17 36 29.0 485.3 -3.1 -24.1 -19 201 No stop 19 04 30 --- 07 20 51 29.3 486.1 -3.0 -23.8 176 214 19 01 19 19 04 30 J1025+1253 07 20 51 31.6 484.0 -3.1 -24.7 -19 214 No stop 19 06 00 =1023+131 07 22 22 31.8 484.4 -3.1 -24.6 71 220 19 04 34 19 06 00 J1022+1001 07 22 22 29.4 486.5 -3.0 -23.7 -19 220 No stop 19 09 15 --- 07 25 37 29.8 487.3 -3.0 -23.4 176 232 19 06 04 19 10 00 J1025+1253 07 26 22 32.2 485.4 -3.0 -24.3 26 232 19 10 00 19 12 00 =1023+131 07 28 23 32.4 485.9 -3.0 -24.1 120 240 19 10 04 19 15 55 J0927+3902 07 32 18 62.0 487.0 -1.9 -30.3 177 240 19 15 55 19 23 15 =0923+392 07 39 39 62.7 489.7 -1.8 -29.1 440 268 19 15 59 19 27 05 J1025+1253 07 43 30 33.8 490.0 -2.7 -22.7 173 268 19 27 05 19 29 05 =1023+131 07 45 30 34.0 490.5 -2.7 -22.6 120 276 19 27 09 19 29 05 J1022+1001 07 45 30 31.6 492.6 -2.6 -21.6 -19 276 No stop 19 32 20 --- 07 48 46 31.9 493.5 -2.6 -21.3 176 289 19 29 09 19 33 05 J1025+1253 07 49 31 34.4 491.6 -2.6 -22.2 26 289 19 33 05 19 34 35 =1023+131 07 51 01 34.5 492.0 -2.6 -22.0 90 294 19 33 09 Schedule for SVETLOE (Code Sv ) 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 07 51 01 32.1 494.1 -2.5 -21.0 -19 294 No stop 19 37 50 --- 07 54 17 32.4 495.0 -2.5 -20.7 176 307 19 34 39 19 37 50 J1025+1253 07 54 17 34.8 492.9 -2.5 -21.7 -19 307 No stop 19 39 20 =1023+131 07 55 47 35.0 493.3 -2.5 -21.5 71 313 19 37 54 19 39 20 J1022+1001 07 55 47 32.5 495.4 -2.5 -20.5 -19 313 No stop 19 42 35 --- 07 59 03 32.8 496.3 -2.4 -20.2 176 325 19 39 24 19 43 20 J1025+1253 07 59 48 35.3 494.4 -2.4 -21.1 26 325 19 43 20 19 44 50 =1023+131 08 01 18 35.4 494.9 -2.4 -21.0 90 331 19 43 24 19 44 50 J1022+1001 08 01 18 33.0 496.9 -2.4 -20.0 -19 331 No stop 19 48 05 --- 08 04 34 33.3 497.8 -2.3 -19.6 176 344 19 44 54 19 48 05 J1025+1253 08 04 34 35.7 495.8 -2.4 -20.6 -19 344 No stop 19 49 35 =1023+131 08 06 04 35.9 496.2 -2.3 -20.4 71 350 19 48 09 19 49 35 J1022+1001 08 06 04 33.4 498.2 -2.3 -19.4 -19 350 No stop 19 52 50 --- 08 09 19 33.7 499.1 -2.2 -19.1 176 362 19 49 39 19 53 35 J1025+1253 08 10 04 36.2 497.3 -2.3 -20.0 26 362 19 53 35 19 55 05 =1023+131 08 11 35 36.3 497.8 -2.2 -19.8 90 368 19 53 39 19 55 05 J1022+1001 08 11 35 33.9 499.8 -2.2 -18.8 -19 368 No stop 19 58 20 --- 08 14 50 34.1 500.7 -2.1 -18.5 176 381 19 55 09 19 58 20 J1025+1253 08 14 50 36.6 498.7 -2.2 -19.5 -19 381 No stop 19 59 50 =1023+131 08 16 20 36.7 499.1 -2.2 -19.3 71 386 19 58 24 19 59 50 J1022+1001 08 16 20 34.2 501.1 -2.1 -18.3 -19 386 No stop 20 03 05 --- 08 19 36 34.5 502.0 -2.1 -17.9 176 399 19 59 54 20 03 50 J1025+1253 08 20 21 37.0 500.3 -2.1 -18.8 26 399 20 03 50 20 05 20 =1023+131 08 21 51 37.1 500.7 -2.1 -18.6 90 405 20 03 54 20 05 20 J1022+1001 08 21 51 34.6 502.7 -2.0 -17.6 -19 405 No stop 20 08 35 --- 08 25 07 34.9 503.6 -2.0 -17.2 176 417 20 05 24 20 08 35 J1025+1253 08 25 07 37.4 501.7 -2.0 -18.2 -19 417 No stop 20 10 05 =1023+131 08 26 37 37.5 502.1 -2.0 -18.1 71 423 20 08 39 20 10 05 J1022+1001 08 26 37 35.0 504.0 -1.9 -17.1 -19 423 No stop 20 13 20 --- 08 29 53 35.2 505.0 -1.9 -16.7 176 436 20 10 09 Schedule for SVETLOE (Code Sv ) 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 08 30 38 37.8 503.3 -1.9 -17.6 26 436 20 14 05 20 15 35 =1023+131 08 32 08 37.9 503.7 -1.9 -17.4 90 442 20 14 09 20 15 35 J1022+1001 08 32 08 35.4 505.6 -1.9 -16.4 -19 442 No stop 20 18 50 --- 08 35 24 35.6 506.6 -1.8 -16.0 176 454 20 15 39 20 18 50 J1025+1253 08 35 24 38.1 504.7 -1.9 -17.0 -19 454 No stop 20 20 20 =1023+131 08 36 54 38.3 505.1 -1.8 -16.8 71 460 20 18 54 20 20 20 J1022+1001 08 36 54 35.7 507.0 -1.8 -15.8 -19 460 No stop 20 23 35 --- 08 40 09 35.9 508.0 -1.7 -15.4 176 473 20 20 24 20 24 20 J1025+1253 08 40 55 38.5 506.3 -1.8 -16.2 26 473 20 24 20 20 25 50 =1023+131 08 42 25 38.6 506.8 -1.7 -16.0 90 478 20 24 24 20 25 50 J1022+1001 08 42 25 36.1 508.6 -1.7 -15.1 -19 478 No stop 20 29 05 --- 08 45 40 36.3 509.6 -1.6 -14.6 176 491 20 25 54 20 29 05 J1025+1253 08 45 40 38.9 507.8 -1.7 -15.6 -19 491 No stop 20 30 35 =1023+131 08 47 11 39.0 508.2 -1.7 -15.4 71 497 20 29 09 20 30 35 J1022+1001 08 47 11 36.4 510.0 -1.6 -14.4 -19 497 No stop 20 33 50 --- 08 50 26 36.6 511.0 -1.6 -14.0 176 509 20 30 39 20 34 35 J1025+1253 08 51 11 39.2 509.4 -1.6 -14.9 26 509 20 34 35 20 36 05 =1023+131 08 52 41 39.3 509.9 -1.6 -14.7 90 515 20 34 39 20 36 05 J1022+1001 08 52 41 36.7 511.7 -1.5 -13.7 -19 515 No stop 20 39 20 --- 08 55 57 36.9 512.6 -1.5 -13.3 176 528 20 36 09 20 39 20 J1025+1253 08 55 57 39.5 510.9 -1.5 -14.2 -19 528 No stop 20 40 50 =1023+131 08 57 27 39.6 511.3 -1.5 -14.0 71 534 20 39 24 20 40 50 J1022+1001 08 57 27 37.0 513.1 -1.4 -13.1 -19 534 No stop 20 44 05 --- 09 00 43 37.2 514.1 -1.4 -12.6 176 546 20 40 54 20 44 50 J1025+1253 09 01 28 39.8 512.6 -1.4 -13.4 25 546 20 44 50 20 46 20 =1023+131 09 02 58 39.9 513.0 -1.4 -13.2 90 552 20 44 54 20 46 20 J1022+1001 09 02 58 37.3 514.8 -1.3 -12.3 -19 552 No stop 20 49 35 --- 09 06 14 37.4 515.7 -1.3 -11.8 176 564 20 46 24 20 49 35 J1025+1253 09 06 14 40.1 514.0 -1.3 -12.8 -20 564 No stop 20 51 05 =1023+131 09 07 44 40.2 514.5 -1.3 -12.5 70 570 20 49 39 Schedule for SVETLOE (Code Sv ) 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 09 07 44 37.5 516.2 -1.3 -11.6 -20 570 No stop 20 54 20 --- 09 10 59 37.7 517.2 -1.2 -11.2 175 583 20 51 09 20 55 05 J1025+1253 09 11 45 40.4 515.8 -1.2 -12.0 25 583 20 55 05 20 56 35 =1023+131 09 13 15 40.4 516.2 -1.2 -11.7 90 589 20 55 09 20 56 35 J1022+1001 09 13 15 37.8 517.9 -1.2 -10.8 -20 589 No stop 20 59 50 --- 09 16 30 37.9 518.9 -1.1 -10.4 175 601 20 56 39 20 59 50 J1025+1253 09 16 30 40.6 517.3 -1.2 -11.2 -20 601 No stop 21 01 20 =1023+131 09 18 01 40.7 517.7 -1.1 -11.0 70 607 20 59 54 21 01 20 J1022+1001 09 18 01 38.0 519.3 -1.1 -10.1 -20 607 No stop 21 04 35 --- 09 21 16 38.1 520.3 -1.0 -9.7 175 620 21 01 24 21 05 20 J1025+1253 09 22 01 40.9 519.0 -1.1 -10.4 25 620 21 05 20 21 06 50 =1023+131 09 23 32 40.9 519.5 -1.1 -10.2 90 625 21 05 24 21 06 50 J1022+1001 09 23 32 38.2 521.0 -1.0 -9.3 -20 625 No stop 21 10 05 --- 09 26 47 38.3 522.1 -0.9 -8.9 175 638 21 06 54 21 10 05 J1025+1253 09 26 47 41.1 520.5 -1.0 -9.7 -20 638 No stop 21 11 35 =1023+131 09 28 17 41.1 521.0 -1.0 -9.5 70 644 21 10 09 21 11 35 J1022+1001 09 28 17 38.4 522.5 -0.9 -8.6 -20 644 No stop 21 14 50 --- 09 31 33 38.5 523.5 -0.9 -8.1 175 656 21 11 39 21 15 35 J1025+1253 09 32 18 41.3 522.3 -0.9 -8.8 25 656 21 15 35 21 17 05 =1023+131 09 33 48 41.3 522.8 -0.9 -8.6 90 662 21 15 39 21 17 05 J1022+1001 09 33 48 38.6 524.2 -0.8 -7.8 -20 662 No stop 21 20 20 --- 09 37 04 38.7 525.3 -0.8 -7.3 175 675 21 17 09 21 20 20 J1025+1253 09 37 04 41.4 523.8 -0.8 -8.1 -20 675 No stop 21 21 50 =1023+131 09 38 34 41.5 524.3 -0.8 -7.8 70 681 21 20 24 21 21 50 J1022+1001 09 38 34 38.8 525.7 -0.8 -7.1 -20 681 No stop 21 25 05 --- 09 41 50 38.8 526.7 -0.7 -6.6 175 693 21 21 54 21 25 50 J1025+1253 09 42 35 41.6 525.6 -0.7 -7.2 25 693 21 25 50 21 27 20 =1023+131 09 44 05 41.7 526.1 -0.7 -7.0 90 699 21 25 54 21 27 20 J1022+1001 09 44 05 38.9 527.5 -0.7 -6.2 -20 699 No stop 21 30 35 --- 09 47 20 39.0 528.5 -0.6 -5.7 175 712 21 27 24 Schedule for SVETLOE (Code Sv ) 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 09 47 20 41.8 527.1 -0.7 -6.5 -20 712 No stop 21 32 05 =1023+131 09 48 51 41.8 527.6 -0.6 -6.2 70 717 21 30 39 21 32 05 J1022+1001 09 48 51 39.0 529.0 -0.6 -5.5 -20 717 No stop 21 35 20 --- 09 52 06 39.1 530.0 -0.5 -5.0 175 730 21 32 09 21 36 05 J1025+1253 09 52 51 41.9 528.9 -0.6 -5.6 25 730 21 36 05 21 37 35 =1023+131 09 54 22 41.9 529.4 -0.5 -5.3 90 736 21 36 09 21 37 35 J1022+1001 09 54 22 39.1 530.7 -0.5 -4.6 -20 736 No stop 21 40 50 --- 09 57 37 39.2 531.7 -0.4 -4.1 175 748 21 37 39 21 40 50 J1025+1253 09 57 37 42.0 530.5 -0.5 -4.8 -20 748 No stop 21 42 20 =1023+131 09 59 07 42.0 531.0 -0.5 -4.5 70 754 21 40 54 21 42 20 J1022+1001 09 59 07 39.2 532.2 -0.4 -3.9 -20 754 No stop 21 45 35 --- 10 02 23 39.3 533.2 -0.4 -3.4 175 767 21 42 24 21 46 20 J1025+1253 10 03 08 42.1 532.3 -0.4 -3.9 25 767 21 46 20 21 48 20 =1023+131 10 05 08 42.1 532.9 -0.4 -3.6 120 774 21 46 24 21 53 05 J1310+3220 10 09 54 49.3 473.0 -3.0 -32.4 205 774 21 53 05 22 00 00 =1308+326 10 16 50 50.0 474.9 -2.9 -31.8 415 801 21 53 09 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: 9 Station: SVETLOE 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= 1260.00 1260.00 1260.00 1260.00 1260.00 1260.00 1260.00 1260.00 1260.00 1260.00 1260.00 1260.00 1260.00 1260.00 1260.00 1260.00 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: 9 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= 374.49 374.49 374.49 374.49 390.49 390.49 390.49 390.49 406.49 406.49 406.49 406.49 422.49 422.49 422.49 422.49 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 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