COVER INFORMATION Station: EFLSBERG (Code Ef ) 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 EFLSBERG (Code Ef ) 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: 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 18 00 00 J0927+3902 04 44 35 40.4 74.6 -4.7 -52.0 0 0 18 00 00 18 07 00 =0923+392 04 51 36 41.5 75.7 -4.6 -52.4 420 27 18 00 04 18 12 30 J1025+1253 04 57 07 14.7 87.6 -5.5 -40.7 199 27 18 12 30 18 14 30 =1023+131 04 59 08 15.0 87.9 -5.5 -40.7 120 35 18 12 34 18 14 30 J1022+1001 04 59 08 13.3 90.4 -5.4 -40.2 -32 35 No stop 18 22 45 --- 05 07 24 14.6 92.0 -5.3 -40.2 463 67 18 14 34 18 23 30 J1025+1253 05 08 09 16.5 89.7 -5.3 -40.7 14 67 18 23 30 18 25 00 =1023+131 05 09 39 16.7 90.0 -5.3 -40.7 90 73 18 23 34 18 25 00 J1022+1001 05 09 39 15.0 92.5 -5.2 -40.2 -32 73 No stop 18 28 15 --- 05 12 55 15.5 93.1 -5.2 -40.1 163 85 18 25 04 18 29 00 J1025+1253 05 13 40 17.3 90.7 -5.2 -40.7 14 85 18 29 00 18 30 30 =1023+131 05 15 10 17.6 91.0 -5.2 -40.7 90 91 18 29 04 18 30 30 J1022+1001 05 15 10 15.9 93.6 -5.1 -40.1 -32 91 No stop 18 33 45 --- 05 18 26 16.4 94.2 -5.1 -40.1 163 104 18 30 34 18 33 45 J1025+1253 05 18 26 18.1 91.7 -5.1 -40.7 -31 104 No stop 18 35 15 =1023+131 05 19 56 18.3 92.0 -5.1 -40.7 59 109 18 33 49 18 35 15 J1022+1001 05 19 56 16.6 94.5 -5.1 -40.1 -32 109 No stop 18 38 30 --- 05 23 12 17.1 95.1 -5.0 -40.0 163 122 18 35 19 18 39 15 J1025+1253 05 23 57 19.0 92.7 -5.0 -40.6 14 122 18 39 15 18 40 45 =1023+131 05 25 27 19.2 93.0 -5.0 -40.6 90 128 18 39 19 18 40 45 J1022+1001 05 25 27 17.5 95.6 -5.0 -40.0 -32 128 No stop 18 44 00 --- 05 28 42 18.0 96.2 -4.9 -39.9 163 140 18 40 49 Schedule for EFLSBERG (Code Ef ) 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 05 28 42 19.7 93.7 -5.0 -40.6 -31 140 No stop 18 45 30 =1023+131 05 30 13 20.0 94.0 -4.9 -40.6 59 146 18 44 04 18 45 30 J1022+1001 05 30 13 18.2 96.5 -4.9 -39.9 -32 146 No stop 18 48 45 --- 05 33 28 18.8 97.2 -4.8 -39.8 163 159 18 45 34 18 49 30 J1025+1253 05 34 13 20.6 94.8 -4.9 -40.5 14 159 18 49 30 18 51 00 =1023+131 05 35 44 20.8 95.1 -4.8 -40.5 90 165 18 49 34 18 51 00 J1022+1001 05 35 44 19.1 97.6 -4.8 -39.8 -32 165 No stop 18 54 15 --- 05 38 59 19.6 98.3 -4.7 -39.7 163 177 18 51 04 18 54 15 J1025+1253 05 38 59 21.4 95.7 -4.8 -40.5 -31 177 No stop 18 55 45 =1023+131 05 40 29 21.6 96.0 -4.8 -40.4 59 183 18 54 19 18 55 45 J1022+1001 05 40 29 19.9 98.6 -4.7 -39.7 -32 183 No stop 18 59 00 --- 05 43 45 20.4 99.2 -4.7 -39.6 163 195 18 55 49 18 59 45 J1025+1253 05 44 30 22.2 96.8 -4.7 -40.3 14 195 18 59 45 19 01 15 =1023+131 05 46 00 22.5 97.1 -4.7 -40.3 90 201 18 59 49 19 01 15 J1022+1001 05 46 00 20.7 99.7 -4.6 -39.5 -32 201 No stop 19 04 30 --- 05 49 16 21.2 100.4 -4.6 -39.4 163 214 19 01 19 19 04 30 J1025+1253 05 49 16 23.0 97.8 -4.6 -40.2 -31 214 No stop 19 06 00 =1023+131 05 50 46 23.2 98.1 -4.6 -40.2 59 220 19 04 34 19 06 00 J1022+1001 05 50 46 21.5 100.7 -4.5 -39.4 -32 220 No stop 19 09 15 --- 05 54 02 22.0 101.3 -4.5 -39.3 163 232 19 06 04 19 10 00 J1025+1253 05 54 47 23.8 98.9 -4.5 -40.1 14 232 19 10 00 19 12 00 =1023+131 05 56 47 24.2 99.3 -4.5 -40.1 120 240 19 10 04 19 15 55 J0927+3902 06 00 43 52.3 87.3 -3.5 -54.8 102 240 19 15 55 19 23 15 =0923+392 06 08 04 53.5 88.7 -3.3 -54.9 440 268 19 15 59 19 27 05 J1025+1253 06 11 55 26.5 102.4 -4.2 -39.6 99 268 19 27 05 19 29 05 =1023+131 06 13 55 26.8 102.9 -4.2 -39.5 120 276 19 27 09 19 29 05 J1022+1001 06 13 55 25.1 105.5 -4.2 -38.5 -32 276 No stop 19 32 20 --- 06 17 10 25.6 106.2 -4.1 -38.3 163 289 19 29 09 19 33 05 J1025+1253 06 17 56 27.4 103.7 -4.1 -39.3 13 289 19 33 05 19 34 35 =1023+131 06 19 26 27.7 104.0 -4.1 -39.2 90 294 19 33 09 Schedule for EFLSBERG (Code Ef ) 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 06 19 26 25.9 106.7 -4.1 -38.2 -32 294 No stop 19 37 50 --- 06 22 41 26.4 107.4 -4.0 -38.0 163 307 19 34 39 19 37 50 J1025+1253 06 22 41 28.2 104.7 -4.1 -39.1 -32 307 No stop 19 39 20 =1023+131 06 24 12 28.4 105.0 -4.0 -39.0 58 313 19 37 54 19 39 20 J1022+1001 06 24 12 26.6 107.7 -4.0 -37.9 -32 313 No stop 19 42 35 --- 06 27 27 27.1 108.4 -3.9 -37.8 163 325 19 39 24 19 43 20 J1025+1253 06 28 12 29.0 105.9 -4.0 -38.8 13 325 19 43 20 19 44 50 =1023+131 06 29 42 29.3 106.2 -3.9 -38.8 90 331 19 43 24 19 44 50 J1022+1001 06 29 42 27.5 108.9 -3.9 -37.6 -32 331 No stop 19 48 05 --- 06 32 58 27.9 109.6 -3.8 -37.4 163 344 19 44 54 19 48 05 J1025+1253 06 32 58 29.8 106.9 -3.9 -38.6 -32 344 No stop 19 49 35 =1023+131 06 34 28 30.0 107.3 -3.9 -38.5 58 350 19 48 09 19 49 35 J1022+1001 06 34 28 28.2 110.0 -3.8 -37.4 -32 350 No stop 19 52 50 --- 06 37 44 28.7 110.7 -3.8 -37.1 163 362 19 49 39 19 53 35 J1025+1253 06 38 29 30.6 108.2 -3.8 -38.3 13 362 19 53 35 19 55 05 =1023+131 06 39 59 30.8 108.5 -3.8 -38.2 90 368 19 53 39 19 55 05 J1022+1001 06 39 59 29.0 111.2 -3.7 -37.0 -33 368 No stop 19 58 20 --- 06 43 15 29.5 111.9 -3.7 -36.8 162 381 19 55 09 19 58 20 J1025+1253 06 43 15 31.3 109.2 -3.7 -38.0 -32 381 No stop 19 59 50 =1023+131 06 44 45 31.5 109.6 -3.7 -37.9 58 386 19 58 24 19 59 50 J1022+1001 06 44 45 29.7 112.3 -3.6 -36.7 -33 386 No stop 20 03 05 --- 06 48 00 30.2 113.0 -3.6 -36.5 162 399 19 59 54 20 03 50 J1025+1253 06 48 46 32.1 110.5 -3.6 -37.6 13 399 20 03 50 20 05 20 =1023+131 06 50 16 32.4 110.8 -3.6 -37.5 90 405 20 03 54 20 05 20 J1022+1001 06 50 16 30.5 113.5 -3.6 -36.3 -33 405 No stop 20 08 35 --- 06 53 31 31.0 114.3 -3.5 -36.0 162 417 20 05 24 20 08 35 J1025+1253 06 53 31 32.8 111.6 -3.6 -37.3 -32 417 No stop 20 10 05 =1023+131 06 55 02 33.1 111.9 -3.5 -37.2 58 423 20 08 39 20 10 05 J1022+1001 06 55 02 31.2 114.6 -3.5 -35.9 -33 423 No stop 20 13 20 --- 06 58 17 31.7 115.4 -3.4 -35.7 162 436 20 10 09 Schedule for EFLSBERG (Code Ef ) 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 06 59 02 33.6 112.9 -3.5 -36.9 13 436 20 14 05 20 15 35 =1023+131 07 00 32 33.9 113.2 -3.4 -36.8 90 442 20 14 09 20 15 35 J1022+1001 07 00 32 32.0 115.9 -3.4 -35.5 -33 442 No stop 20 18 50 --- 07 03 48 32.4 116.7 -3.3 -35.2 162 454 20 15 39 20 18 50 J1025+1253 07 03 48 34.3 114.0 -3.4 -36.6 -32 454 No stop 20 20 20 =1023+131 07 05 18 34.6 114.3 -3.4 -36.4 58 460 20 18 54 20 20 20 J1022+1001 07 05 18 32.7 117.1 -3.3 -35.1 -33 460 No stop 20 23 35 --- 07 08 34 33.1 117.8 -3.3 -34.8 162 473 20 20 24 20 24 20 J1025+1253 07 09 19 35.1 115.3 -3.3 -36.1 13 473 20 24 20 20 25 50 =1023+131 07 10 49 35.4 115.7 -3.3 -36.0 90 478 20 24 24 20 25 50 J1022+1001 07 10 49 33.4 118.4 -3.2 -34.6 -33 478 No stop 20 29 05 --- 07 14 05 33.9 119.2 -3.2 -34.3 162 491 20 25 54 20 29 05 J1025+1253 07 14 05 35.8 116.4 -3.2 -35.7 -32 491 No stop 20 30 35 =1023+131 07 15 35 36.0 116.8 -3.2 -35.6 58 497 20 29 09 20 30 35 J1022+1001 07 15 35 34.1 119.5 -3.1 -34.2 -33 497 No stop 20 33 50 --- 07 18 50 34.5 120.4 -3.1 -33.8 162 509 20 30 39 20 34 35 J1025+1253 07 19 36 36.6 117.8 -3.1 -35.2 13 509 20 34 35 20 36 05 =1023+131 07 21 06 36.8 118.2 -3.1 -35.1 90 515 20 34 39 20 36 05 J1022+1001 07 21 06 34.9 120.9 -3.0 -33.6 -33 515 No stop 20 39 20 --- 07 24 21 35.3 121.7 -3.0 -33.3 162 528 20 36 09 20 39 20 J1025+1253 07 24 21 37.3 119.0 -3.0 -34.8 -32 528 No stop 20 40 50 =1023+131 07 25 52 37.5 119.4 -3.0 -34.6 58 534 20 39 24 20 40 50 J1022+1001 07 25 52 35.5 122.1 -3.0 -33.1 -33 534 No stop 20 44 05 --- 07 29 07 35.9 122.9 -2.9 -32.8 162 546 20 40 54 20 44 50 J1025+1253 07 29 52 38.0 120.4 -2.9 -34.2 13 546 20 44 50 20 46 20 =1023+131 07 31 23 38.2 120.8 -2.9 -34.1 90 552 20 44 54 20 46 20 J1022+1001 07 31 23 36.2 123.5 -2.9 -32.6 -33 552 No stop 20 49 35 --- 07 34 38 36.7 124.4 -2.8 -32.2 162 564 20 46 24 20 49 35 J1025+1253 07 34 38 38.7 121.6 -2.9 -33.7 -32 564 No stop 20 51 05 =1023+131 07 36 08 38.9 122.0 -2.8 -33.6 58 570 20 49 39 Schedule for EFLSBERG (Code Ef ) 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 07 36 08 36.9 124.8 -2.8 -32.0 -33 570 No stop 20 54 20 --- 07 39 24 37.3 125.6 -2.7 -31.7 162 583 20 51 09 20 55 05 J1025+1253 07 40 09 39.4 123.1 -2.8 -33.1 13 583 20 55 05 20 56 35 =1023+131 07 41 39 39.6 123.5 -2.7 -33.0 90 589 20 55 09 20 56 35 J1022+1001 07 41 39 37.6 126.2 -2.7 -31.4 -33 589 No stop 20 59 50 --- 07 44 55 38.0 127.1 -2.6 -31.0 162 601 20 56 39 20 59 50 J1025+1253 07 44 55 40.0 124.3 -2.7 -32.6 -32 601 No stop 21 01 20 =1023+131 07 46 25 40.2 124.7 -2.7 -32.4 58 607 20 59 54 21 01 20 J1022+1001 07 46 25 38.2 127.5 -2.6 -30.8 -33 607 No stop 21 04 35 --- 07 49 41 38.6 128.4 -2.6 -30.4 162 620 21 01 24 21 05 20 J1025+1253 07 50 26 40.8 125.8 -2.6 -31.9 13 620 21 05 20 21 06 50 =1023+131 07 51 56 41.0 126.2 -2.6 -31.7 90 625 21 05 24 21 06 50 J1022+1001 07 51 56 38.9 129.0 -2.5 -30.1 -33 625 No stop 21 10 05 --- 07 55 11 39.3 129.9 -2.5 -29.7 162 638 21 06 54 21 10 05 J1025+1253 07 55 11 41.4 127.1 -2.5 -31.3 -32 638 No stop 21 11 35 =1023+131 07 56 42 41.6 127.6 -2.5 -31.1 58 644 21 10 09 21 11 35 J1022+1001 07 56 42 39.5 130.3 -2.4 -29.5 -33 644 No stop 21 14 50 --- 07 59 57 39.9 131.2 -2.4 -29.1 162 656 21 11 39 21 15 35 J1025+1253 08 00 42 42.1 128.7 -2.4 -30.6 13 656 21 15 35 21 17 05 =1023+131 08 02 13 42.3 129.1 -2.4 -30.4 90 662 21 15 39 21 17 05 J1022+1001 08 02 13 40.1 131.8 -2.4 -28.7 -33 662 No stop 21 20 20 --- 08 05 28 40.5 132.8 -2.3 -28.3 162 675 21 17 09 21 20 20 J1025+1253 08 05 28 42.7 130.0 -2.4 -29.9 -32 675 No stop 21 21 50 =1023+131 08 06 58 42.8 130.5 -2.3 -29.7 58 681 21 20 24 21 21 50 J1022+1001 08 06 58 40.7 133.2 -2.3 -28.1 -33 681 No stop 21 25 05 --- 08 10 14 41.1 134.1 -2.2 -27.6 162 693 21 21 54 21 25 50 J1025+1253 08 10 59 43.3 131.6 -2.3 -29.2 13 693 21 25 50 21 27 20 =1023+131 08 12 29 43.5 132.1 -2.2 -28.9 90 699 21 25 54 21 27 20 J1022+1001 08 12 29 41.3 134.8 -2.2 -27.3 -33 699 No stop 21 30 35 --- 08 15 45 41.7 135.7 -2.1 -26.8 162 712 21 27 24 Schedule for EFLSBERG (Code Ef ) 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 08 15 45 43.9 133.0 -2.2 -28.5 -32 712 No stop 21 32 05 =1023+131 08 17 15 44.0 133.5 -2.2 -28.2 58 717 21 30 39 21 32 05 J1022+1001 08 17 15 41.8 136.2 -2.1 -26.5 -33 717 No stop 21 35 20 --- 08 20 31 42.2 137.1 -2.1 -26.0 162 730 21 32 09 21 36 05 J1025+1253 08 21 16 44.5 134.7 -2.1 -27.6 13 730 21 36 05 21 37 35 =1023+131 08 22 46 44.7 135.2 -2.1 -27.4 90 736 21 36 09 21 37 35 J1022+1001 08 22 46 42.4 137.8 -2.0 -25.7 -33 736 No stop 21 40 50 --- 08 26 01 42.8 138.8 -2.0 -25.2 162 748 21 37 39 21 40 50 J1025+1253 08 26 01 45.0 136.2 -2.0 -26.9 -32 748 No stop 21 42 20 =1023+131 08 27 32 45.2 136.6 -2.0 -26.6 58 754 21 40 54 21 42 20 J1022+1001 08 27 32 42.9 139.3 -1.9 -24.9 -33 754 No stop 21 45 35 --- 08 30 47 43.3 140.3 -1.9 -24.4 162 767 21 42 24 21 46 20 J1025+1253 08 31 32 45.6 137.9 -1.9 -25.9 14 767 21 46 20 21 48 20 =1023+131 08 33 33 45.8 138.5 -1.9 -25.6 120 774 21 46 24 21 53 05 J1310+3220 08 38 19 37.7 83.0 -4.5 -48.3 121 774 21 53 05 22 00 00 =1308+326 08 45 15 38.8 84.2 -4.4 -48.4 415 801 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 Matching groups in /psr/soft/sched9.4/catalogs/freq.dat: ef18cm Prime focus receiver, standard LO Graham 26/1/00 Setup group: 1 Station: EFLSBERG 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: 1 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 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