COVER INFORMATION Station: MEDICINA (Code Mc ) 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 MEDICINA (Code Mc ) 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: 339.49 339.49 339.49 339.49 355.49 355.49 355.49 355.49 371.49 371.49 371.49 371.49 387.49 387.49 387.49 387.49 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 05 16 31 44.0 433.9 -4.2 -61.8 0 0 11 20 00 11 27 00 =0923+392 05 23 32 45.2 434.8 -4.1 -62.3 420 27 11 20 04 11 32 30 J1025+1253 05 29 03 20.1 451.6 -5.0 -47.0 273 27 11 32 30 11 34 30 =1023+131 05 31 03 20.4 451.9 -4.9 -47.0 120 35 11 32 34 11 34 30 J1022+1001 05 31 03 19.0 454.7 -4.9 -46.2 -8 35 No stop 11 42 45 --- 05 39 20 20.4 456.2 -4.7 -46.0 487 67 11 34 34 11 43 30 J1025+1253 05 40 05 22.0 453.5 -4.8 -46.9 37 67 11 43 30 11 45 00 =1023+131 05 41 35 22.3 453.8 -4.7 -46.9 90 73 11 43 34 11 45 00 J1022+1001 05 41 35 20.8 456.6 -4.7 -46.0 -8 73 No stop 11 48 15 --- 05 44 51 21.4 457.2 -4.6 -45.9 187 85 11 45 04 11 49 00 J1025+1253 05 45 36 23.0 454.5 -4.7 -46.8 37 85 11 49 00 11 50 30 =1023+131 05 47 06 23.3 454.8 -4.7 -46.8 90 91 11 49 04 11 50 30 J1022+1001 05 47 06 21.8 457.6 -4.6 -45.9 -8 91 No stop 11 53 45 --- 05 50 22 22.4 458.2 -4.6 -45.8 187 104 11 50 34 11 53 45 J1025+1253 05 50 22 23.9 455.4 -4.6 -46.7 -8 104 No stop 11 55 15 =1023+131 05 51 52 24.1 455.7 -4.6 -46.7 82 109 11 53 49 11 55 15 J1022+1001 05 51 52 22.7 458.5 -4.5 -45.7 -8 109 No stop 11 58 30 --- 05 55 07 23.2 459.1 -4.5 -45.6 187 122 11 55 19 11 59 15 J1025+1253 05 55 52 24.8 456.4 -4.5 -46.6 37 122 11 59 15 12 00 45 =1023+131 05 57 23 25.1 456.7 -4.5 -46.6 90 128 11 59 19 12 00 45 J1022+1001 05 57 23 23.6 459.5 -4.4 -45.6 -8 128 No stop 12 04 00 --- 06 00 38 24.2 460.1 -4.4 -45.5 187 140 12 00 49 Schedule for MEDICINA (Code Mc ) 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 06 00 38 25.7 457.3 -4.4 -46.5 -8 140 No stop 12 05 30 =1023+131 06 02 08 25.9 457.6 -4.4 -46.5 82 146 12 04 04 12 05 30 J1022+1001 06 02 08 24.5 460.4 -4.4 -45.4 -8 146 No stop 12 08 45 --- 06 05 24 25.0 461.0 -4.3 -45.3 187 159 12 05 34 12 09 30 J1025+1253 06 06 09 26.6 458.3 -4.3 -46.4 37 159 12 09 30 12 11 00 =1023+131 06 07 39 26.9 458.6 -4.3 -46.3 90 165 12 09 34 12 11 00 J1022+1001 06 07 39 25.4 461.5 -4.3 -45.2 -8 165 No stop 12 14 15 --- 06 10 55 26.0 462.1 -4.2 -45.1 187 177 12 11 04 12 14 15 J1025+1253 06 10 55 27.5 459.2 -4.3 -46.2 -8 177 No stop 12 15 45 =1023+131 06 12 25 27.7 459.5 -4.2 -46.2 82 183 12 14 19 12 15 45 J1022+1001 06 12 25 26.3 462.4 -4.2 -45.0 -8 183 No stop 12 19 00 --- 06 15 41 26.8 463.0 -4.1 -44.9 187 195 12 15 49 12 19 45 J1025+1253 06 16 26 28.5 460.3 -4.2 -46.0 37 195 12 19 45 12 21 15 =1023+131 06 17 56 28.7 460.6 -4.1 -46.0 90 201 12 19 49 12 21 15 J1022+1001 06 17 56 27.2 463.5 -4.1 -44.8 -8 201 No stop 12 24 30 --- 06 21 12 27.8 464.1 -4.0 -44.6 187 214 12 21 19 12 24 30 J1025+1253 06 21 12 29.3 461.2 -4.1 -45.8 -8 214 No stop 12 26 00 =1023+131 06 22 42 29.6 461.5 -4.1 -45.8 82 220 12 24 34 12 26 00 J1022+1001 06 22 42 28.0 464.4 -4.0 -44.5 -8 220 No stop 12 29 15 --- 06 25 57 28.6 465.1 -4.0 -44.4 187 232 12 26 04 12 30 00 J1025+1253 06 26 43 30.2 462.3 -4.0 -45.6 37 232 12 30 00 12 32 00 =1023+131 06 28 43 30.6 462.7 -4.0 -45.5 120 240 12 30 04 12 35 55 J0927+3902 06 32 38 57.3 444.1 -2.9 -65.9 178 240 12 35 55 12 43 15 =0923+392 06 40 00 58.6 445.2 -2.8 -66.1 440 268 12 35 59 12 47 05 J1025+1253 06 43 50 33.2 465.7 -3.7 -44.7 174 268 12 47 05 12 49 05 =1023+131 06 45 51 33.6 466.2 -3.7 -44.6 120 276 12 47 09 12 49 05 J1022+1001 06 45 51 32.0 469.1 -3.6 -43.1 -8 276 No stop 12 52 20 --- 06 49 06 32.5 469.8 -3.6 -42.9 187 289 12 49 09 12 53 05 J1025+1253 06 49 51 34.2 467.0 -3.6 -44.4 37 289 12 53 05 12 54 35 =1023+131 06 51 22 34.5 467.3 -3.6 -44.3 90 294 12 53 09 Schedule for MEDICINA (Code Mc ) 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 06 51 22 32.9 470.3 -3.5 -42.8 -8 294 No stop 12 57 50 --- 06 54 37 33.5 471.0 -3.5 -42.5 187 307 12 54 39 12 57 50 J1025+1253 06 54 37 35.1 468.0 -3.5 -44.1 -8 307 No stop 12 59 20 =1023+131 06 56 07 35.3 468.3 -3.5 -44.0 82 313 12 57 54 12 59 20 J1022+1001 06 56 07 33.7 471.4 -3.5 -42.4 -8 313 No stop 13 02 35 --- 06 59 23 34.3 472.1 -3.4 -42.1 187 325 12 59 24 13 03 20 J1025+1253 07 00 08 36.0 469.2 -3.4 -43.7 37 325 13 03 20 13 04 50 =1023+131 07 01 38 36.2 469.5 -3.4 -43.6 90 331 13 03 24 13 04 50 J1022+1001 07 01 38 34.6 472.6 -3.4 -41.9 -8 331 No stop 13 08 05 --- 07 04 54 35.2 473.3 -3.3 -41.7 187 344 13 04 54 13 08 05 J1025+1253 07 04 54 36.8 470.2 -3.4 -43.3 -8 344 No stop 13 09 35 =1023+131 07 06 24 37.0 470.6 -3.3 -43.2 82 350 13 08 09 13 09 35 J1022+1001 07 06 24 35.4 473.6 -3.3 -41.5 -8 350 No stop 13 12 50 --- 07 09 40 35.9 474.4 -3.2 -41.3 187 362 13 09 39 13 13 35 J1025+1253 07 10 25 37.7 471.5 -3.3 -42.9 37 362 13 13 35 13 15 05 =1023+131 07 11 55 37.9 471.8 -3.2 -42.8 90 368 13 13 39 13 15 05 J1022+1001 07 11 55 36.3 474.9 -3.2 -41.0 -8 368 No stop 13 18 20 --- 07 15 10 36.8 475.7 -3.1 -40.7 187 381 13 15 09 13 18 20 J1025+1253 07 15 10 38.5 472.6 -3.2 -42.5 -8 381 No stop 13 19 50 =1023+131 07 16 41 38.7 472.9 -3.2 -42.3 82 386 13 18 24 13 19 50 J1022+1001 07 16 41 37.1 476.0 -3.1 -40.6 -8 386 No stop 13 23 05 --- 07 19 56 37.6 476.8 -3.1 -40.3 187 399 13 19 54 13 23 50 J1025+1253 07 20 41 39.4 473.8 -3.1 -42.0 37 399 13 23 50 13 25 20 =1023+131 07 22 12 39.6 474.2 -3.1 -41.8 90 405 13 23 54 13 25 20 J1022+1001 07 22 12 37.9 477.3 -3.0 -40.0 -8 405 No stop 13 28 35 --- 07 25 27 38.5 478.1 -3.0 -39.7 187 417 13 25 24 13 28 35 J1025+1253 07 25 27 40.2 475.0 -3.0 -41.5 -8 417 No stop 13 30 05 =1023+131 07 26 57 40.4 475.3 -3.0 -41.4 82 423 13 28 39 13 30 05 J1022+1001 07 26 57 38.7 478.5 -2.9 -39.5 -8 423 No stop 13 33 20 --- 07 30 13 39.2 479.3 -2.9 -39.2 187 436 13 30 09 Schedule for MEDICINA (Code Mc ) 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 07 30 58 41.0 476.3 -2.9 -41.0 37 436 13 34 05 13 35 35 =1023+131 07 32 28 41.3 476.7 -2.9 -40.8 90 442 13 34 09 13 35 35 J1022+1001 07 32 28 39.6 479.8 -2.9 -38.9 -8 442 No stop 13 38 50 --- 07 35 44 40.1 480.6 -2.8 -38.5 187 454 13 35 39 13 38 50 J1025+1253 07 35 44 41.8 477.5 -2.8 -40.4 -8 454 No stop 13 40 20 =1023+131 07 37 14 42.0 477.9 -2.8 -40.3 82 460 13 38 54 13 40 20 J1022+1001 07 37 14 40.3 481.0 -2.8 -38.3 -8 460 No stop 13 43 35 --- 07 40 30 40.8 481.8 -2.7 -37.9 187 473 13 40 24 13 44 20 J1025+1253 07 41 15 42.7 478.9 -2.8 -39.8 37 473 13 44 20 13 45 50 =1023+131 07 42 45 42.9 479.3 -2.7 -39.6 90 478 13 44 24 13 45 50 J1022+1001 07 42 45 41.1 482.4 -2.7 -37.7 -8 478 No stop 13 49 05 --- 07 46 01 41.6 483.3 -2.6 -37.2 187 491 13 45 54 13 49 05 J1025+1253 07 46 01 43.4 480.1 -2.7 -39.3 -8 491 No stop 13 50 35 =1023+131 07 47 31 43.6 480.5 -2.7 -39.1 82 497 13 49 09 13 50 35 J1022+1001 07 47 31 41.8 483.7 -2.6 -37.0 -8 497 No stop 13 53 50 --- 07 50 46 42.3 484.5 -2.5 -36.6 187 509 13 50 39 13 54 35 J1025+1253 07 51 31 44.3 481.5 -2.6 -38.6 37 509 13 54 35 13 56 05 =1023+131 07 53 02 44.5 481.9 -2.6 -38.4 90 515 13 54 39 13 56 05 J1022+1001 07 53 02 42.6 485.1 -2.5 -36.3 -8 515 No stop 13 59 20 --- 07 56 17 43.1 486.0 -2.5 -35.8 187 528 13 56 09 13 59 20 J1025+1253 07 56 17 45.0 482.8 -2.5 -37.9 -8 528 No stop 14 00 50 =1023+131 07 57 47 45.2 483.2 -2.5 -37.7 82 534 13 59 24 14 00 50 J1022+1001 07 57 47 43.3 486.4 -2.4 -35.6 -8 534 No stop 14 04 05 --- 08 01 03 43.8 487.3 -2.4 -35.1 187 546 14 00 54 14 04 50 J1025+1253 08 01 48 45.8 484.3 -2.4 -37.1 37 546 14 04 50 14 06 20 =1023+131 08 03 18 46.0 484.8 -2.4 -36.9 90 552 14 04 54 14 06 20 J1022+1001 08 03 18 44.1 488.0 -2.3 -34.8 -8 552 No stop 14 09 35 --- 08 06 34 44.6 488.9 -2.3 -34.3 187 564 14 06 24 14 09 35 J1025+1253 08 06 34 46.5 485.7 -2.3 -36.4 -8 564 No stop 14 11 05 =1023+131 08 08 04 46.7 486.1 -2.3 -36.2 82 570 14 09 39 Schedule for MEDICINA (Code Mc ) 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 08 08 04 44.8 489.3 -2.3 -34.1 -8 570 No stop 14 14 20 --- 08 11 20 45.2 490.3 -2.2 -33.5 187 583 14 11 09 14 15 05 J1025+1253 08 12 05 47.3 487.3 -2.2 -35.6 36 583 14 15 05 14 16 35 =1023+131 08 13 35 47.5 487.7 -2.2 -35.3 90 589 14 15 09 14 16 35 J1022+1001 08 13 35 45.5 490.9 -2.2 -33.2 -9 589 No stop 14 19 50 --- 08 16 51 46.0 491.9 -2.1 -32.6 186 601 14 16 39 14 19 50 J1025+1253 08 16 51 47.9 488.7 -2.2 -34.8 -9 601 No stop 14 21 20 =1023+131 08 18 21 48.2 489.1 -2.1 -34.6 81 607 14 19 54 14 21 20 J1022+1001 08 18 21 46.2 492.4 -2.1 -32.3 -9 607 No stop 14 24 35 --- 08 21 36 46.6 493.3 -2.0 -31.8 186 620 14 21 24 14 25 20 J1025+1253 08 22 21 48.7 490.4 -2.1 -33.9 36 620 14 25 20 14 26 50 =1023+131 08 23 52 48.9 490.8 -2.0 -33.6 90 625 14 25 24 14 26 50 J1022+1001 08 23 52 46.9 494.0 -2.0 -31.4 -9 625 No stop 14 30 05 --- 08 27 07 47.3 495.0 -1.9 -30.8 186 638 14 26 54 14 30 05 J1025+1253 08 27 07 49.3 491.8 -2.0 -33.0 -9 638 No stop 14 31 35 =1023+131 08 28 37 49.5 492.3 -2.0 -32.7 81 644 14 30 09 14 31 35 J1022+1001 08 28 37 47.5 495.5 -1.9 -30.5 -9 644 No stop 14 34 50 --- 08 31 53 47.9 496.5 -1.9 -29.9 186 656 14 31 39 14 35 35 J1025+1253 08 32 38 50.1 493.6 -1.9 -32.0 36 656 14 35 35 14 37 05 =1023+131 08 34 08 50.3 494.1 -1.9 -31.7 90 662 14 35 39 14 37 05 J1022+1001 08 34 08 48.2 497.3 -1.8 -29.4 -9 662 No stop 14 40 20 --- 08 37 24 48.6 498.3 -1.8 -28.8 186 675 14 37 09 14 40 20 J1025+1253 08 37 24 50.7 495.1 -1.8 -31.1 -9 675 No stop 14 41 50 =1023+131 08 38 54 50.9 495.6 -1.8 -30.8 81 681 14 40 24 14 41 50 J1022+1001 08 38 54 48.7 498.8 -1.7 -28.5 -9 681 No stop 14 45 05 --- 08 42 10 49.1 499.9 -1.7 -27.8 186 693 14 41 54 14 45 50 J1025+1253 08 42 55 51.4 497.0 -1.7 -29.9 36 693 14 45 50 14 47 20 =1023+131 08 44 25 51.5 497.5 -1.7 -29.6 90 699 14 45 54 14 47 20 J1022+1001 08 44 25 49.4 500.6 -1.7 -27.3 -9 699 No stop 14 50 35 --- 08 47 41 49.7 501.7 -1.6 -26.6 186 712 14 47 24 Schedule for MEDICINA (Code Mc ) 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 08 47 41 51.9 498.6 -1.6 -28.9 -9 712 No stop 14 52 05 =1023+131 08 49 11 52.1 499.1 -1.6 -28.6 81 717 14 50 39 14 52 05 J1022+1001 08 49 11 49.9 502.3 -1.6 -26.3 -9 717 No stop 14 55 20 --- 08 52 26 50.3 503.4 -1.5 -25.6 186 730 14 52 09 14 56 05 J1025+1253 08 53 12 52.6 500.5 -1.6 -27.7 36 730 14 56 05 14 57 35 =1023+131 08 54 42 52.7 501.1 -1.5 -27.4 90 736 14 56 09 14 57 35 J1022+1001 08 54 42 50.5 504.2 -1.5 -25.1 -9 736 No stop 15 00 50 --- 08 57 57 50.8 505.3 -1.4 -24.3 186 748 14 57 39 15 00 50 J1025+1253 08 57 57 53.1 502.2 -1.5 -26.6 -9 748 No stop 15 02 20 =1023+131 08 59 28 53.3 502.8 -1.5 -26.2 81 754 15 00 54 15 02 20 J1022+1001 08 59 28 51.0 505.9 -1.4 -24.0 -9 754 No stop 15 05 35 --- 09 02 43 51.3 507.0 -1.3 -23.2 186 767 15 02 24 15 06 20 J1025+1253 09 03 28 53.7 504.3 -1.4 -25.3 36 767 15 06 20 15 08 20 =1023+131 09 05 29 53.9 505.0 -1.4 -24.8 120 774 15 06 24 15 13 05 J1310+3220 09 10 14 42.4 443.3 -4.0 -56.9 198 774 15 13 05 15 20 00 =1308+326 09 17 10 43.6 444.4 -3.9 -57.1 415 801 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: mc18cm updated from Maccaferri (CR 2Dec00) Setup group: 4 Station: MEDICINA 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= 1295.00 1295.00 1295.00 1295.00 1295.00 1295.00 1295.00 1295.00 1295.00 1295.00 1295.00 1295.00 1295.00 1295.00 1295.00 1295.00 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: 5 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= 339.49 339.49 339.49 339.49 355.49 355.49 355.49 355.49 371.49 371.49 371.49 371.49 387.49 387.49 387.49 387.49 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