COVER INFORMATION Station: ONSALA85 (Code On ) 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 ONSALA85 (Code On ) 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: 134.49 134.49 134.49 134.49 150.49 150.49 150.49 150.49 166.49 166.49 166.49 166.49 182.49 182.49 182.49 182.49 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 17 36 46.3 86.9 -4.2 0.0 0 0 11 20 00 11 27 00 =0923+392 05 24 37 47.3 88.4 -4.1 0.0 420 27 11 20 04 11 32 30 J1025+1253 05 30 08 19.3 96.4 -4.9 0.0 214 27 11 32 30 11 34 30 =1023+131 05 32 08 19.6 96.8 -4.9 0.0 120 35 11 32 34 11 34 30 J1022+1001 05 32 08 17.6 99.1 -4.9 0.0 -21 35 No stop 11 42 45 --- 05 40 25 18.7 100.9 -4.7 0.0 474 67 11 34 34 11 43 30 J1025+1253 05 41 10 20.8 98.8 -4.8 0.0 24 67 11 43 30 11 45 00 =1023+131 05 42 40 21.0 99.1 -4.7 0.0 90 73 11 43 34 11 45 00 J1022+1001 05 42 40 19.0 101.4 -4.7 0.0 -21 73 No stop 11 48 15 --- 05 45 56 19.4 102.1 -4.6 0.0 174 85 11 45 04 11 49 00 J1025+1253 05 46 41 21.5 100.0 -4.7 0.0 24 85 11 49 00 11 50 30 =1023+131 05 48 11 21.7 100.3 -4.6 0.0 90 91 11 49 04 11 50 30 J1022+1001 05 48 11 19.7 102.6 -4.6 0.0 -21 91 No stop 11 53 45 --- 05 51 27 20.1 103.4 -4.5 0.0 174 104 11 50 34 11 53 45 J1025+1253 05 51 27 22.2 101.1 -4.6 0.0 -21 104 No stop 11 55 15 =1023+131 05 52 57 22.4 101.4 -4.6 0.0 69 109 11 53 49 11 55 15 J1022+1001 05 52 57 20.3 103.7 -4.5 0.0 -21 109 No stop 11 58 30 --- 05 56 12 20.8 104.4 -4.5 0.0 174 122 11 55 19 11 59 15 J1025+1253 05 56 57 22.9 102.3 -4.5 0.0 24 122 11 59 15 12 00 45 =1023+131 05 58 28 23.1 102.6 -4.5 0.0 90 128 11 59 19 12 00 45 J1022+1001 05 58 28 21.1 104.9 -4.4 0.0 -21 128 No stop 12 04 00 --- 06 01 43 21.5 105.7 -4.4 0.0 174 140 12 00 49 Schedule for ONSALA85 (Code On ) 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 01 43 23.5 103.3 -4.4 0.0 -21 140 No stop 12 05 30 =1023+131 06 03 13 23.7 103.7 -4.4 0.0 69 146 12 04 04 12 05 30 J1022+1001 06 03 13 21.7 106.0 -4.3 0.0 -21 146 No stop 12 08 45 --- 06 06 29 22.1 106.7 -4.3 0.0 174 159 12 05 34 12 09 30 J1025+1253 06 07 14 24.2 104.6 -4.3 0.0 24 159 12 09 30 12 11 00 =1023+131 06 08 44 24.4 104.9 -4.3 0.0 90 165 12 09 34 12 11 00 J1022+1001 06 08 44 22.4 107.2 -4.2 0.0 -21 165 No stop 12 14 15 --- 06 12 00 22.8 108.0 -4.2 0.0 174 177 12 11 04 12 14 15 J1025+1253 06 12 00 24.9 105.7 -4.2 0.0 -21 177 No stop 12 15 45 =1023+131 06 13 30 25.1 106.0 -4.2 0.0 69 183 12 14 19 12 15 45 J1022+1001 06 13 30 23.0 108.3 -4.2 0.0 -21 183 No stop 12 19 00 --- 06 16 46 23.4 109.1 -4.1 0.0 174 195 12 15 49 12 19 45 J1025+1253 06 17 31 25.6 106.9 -4.2 0.0 24 195 12 19 45 12 21 15 =1023+131 06 19 01 25.8 107.3 -4.1 0.0 90 201 12 19 49 12 21 15 J1022+1001 06 19 01 23.7 109.6 -4.1 0.0 -21 201 No stop 12 24 30 --- 06 22 17 24.1 110.4 -4.0 0.0 174 214 12 21 19 12 24 30 J1025+1253 06 22 17 26.2 108.0 -4.1 0.0 -21 214 No stop 12 26 00 =1023+131 06 23 47 26.4 108.4 -4.0 0.0 69 220 12 24 34 12 26 00 J1022+1001 06 23 47 24.3 110.7 -4.0 0.0 -21 220 No stop 12 29 15 --- 06 27 02 24.7 111.5 -3.9 0.0 174 232 12 26 04 12 30 00 J1025+1253 06 27 48 26.9 109.3 -4.0 0.0 24 232 12 30 00 12 32 00 =1023+131 06 29 48 27.1 109.8 -3.9 0.0 120 240 12 30 04 12 35 55 J0927+3902 06 33 43 56.5 104.2 -2.9 0.0 119 240 12 35 55 12 43 15 =0923+392 06 41 05 57.4 106.2 -2.8 0.0 440 268 12 35 59 12 47 05 J1025+1253 06 44 55 29.0 113.4 -3.7 0.0 114 268 12 47 05 12 49 05 =1023+131 06 46 56 29.3 113.8 -3.7 0.0 120 276 12 47 09 12 49 05 J1022+1001 06 46 56 27.2 116.2 -3.6 0.0 -21 276 No stop 12 52 20 --- 06 50 11 27.6 117.0 -3.6 0.0 174 289 12 49 09 12 53 05 J1025+1253 06 50 56 29.8 114.8 -3.6 0.0 24 289 12 53 05 12 54 35 =1023+131 06 52 27 30.0 115.2 -3.6 0.0 90 294 12 53 09 Schedule for ONSALA85 (Code On ) 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 52 27 27.8 117.5 -3.5 0.0 -21 294 No stop 12 57 50 --- 06 55 42 28.2 118.3 -3.5 0.0 174 307 12 54 39 12 57 50 J1025+1253 06 55 42 30.4 116.0 -3.5 0.0 -21 307 No stop 12 59 20 =1023+131 06 57 12 30.5 116.3 -3.5 0.0 69 313 12 57 54 12 59 20 J1022+1001 06 57 12 28.4 118.7 -3.4 0.0 -21 313 No stop 13 02 35 --- 07 00 28 28.8 119.5 -3.4 0.0 174 325 12 59 24 13 03 20 J1025+1253 07 01 13 31.0 117.3 -3.4 0.0 24 325 13 03 20 13 04 50 =1023+131 07 02 43 31.2 117.7 -3.4 0.0 90 331 13 03 24 13 04 50 J1022+1001 07 02 43 29.0 120.0 -3.3 0.0 -21 331 No stop 13 08 05 --- 07 05 59 29.4 120.8 -3.3 0.0 174 344 13 04 54 13 08 05 J1025+1253 07 05 59 31.6 118.5 -3.3 0.0 -21 344 No stop 13 09 35 =1023+131 07 07 29 31.8 118.9 -3.3 0.0 69 350 13 08 09 13 09 35 J1022+1001 07 07 29 29.6 121.2 -3.3 0.0 -21 350 No stop 13 12 50 --- 07 10 45 30.0 122.0 -3.2 0.0 174 362 13 09 39 13 13 35 J1025+1253 07 11 30 32.2 119.9 -3.3 0.0 24 362 13 13 35 13 15 05 =1023+131 07 13 00 32.4 120.3 -3.2 0.0 90 368 13 13 39 13 15 05 J1022+1001 07 13 00 30.2 122.6 -3.2 0.0 -21 368 No stop 13 18 20 --- 07 16 15 30.6 123.4 -3.1 0.0 174 381 13 15 09 13 18 20 J1025+1253 07 16 15 32.8 121.1 -3.2 0.0 -21 381 No stop 13 19 50 =1023+131 07 17 46 33.0 121.5 -3.1 0.0 69 386 13 18 24 13 19 50 J1022+1001 07 17 46 30.8 123.8 -3.1 0.0 -21 386 No stop 13 23 05 --- 07 21 01 31.1 124.7 -3.0 0.0 174 399 13 19 54 13 23 50 J1025+1253 07 21 46 33.4 122.5 -3.1 0.0 24 399 13 23 50 13 25 20 =1023+131 07 23 17 33.6 122.9 -3.1 0.0 90 405 13 23 54 13 25 20 J1022+1001 07 23 17 31.4 125.2 -3.0 0.0 -21 405 No stop 13 28 35 --- 07 26 32 31.7 126.1 -3.0 0.0 174 417 13 25 24 13 28 35 J1025+1253 07 26 32 34.0 123.8 -3.0 0.0 -21 417 No stop 13 30 05 =1023+131 07 28 02 34.1 124.2 -3.0 0.0 69 423 13 28 39 13 30 05 J1022+1001 07 28 02 31.9 126.5 -2.9 0.0 -21 423 No stop 13 33 20 --- 07 31 18 32.2 127.3 -2.9 0.0 174 436 13 30 09 Schedule for ONSALA85 (Code On ) 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 32 03 34.6 125.2 -2.9 0.0 24 436 13 34 05 13 35 35 =1023+131 07 33 33 34.7 125.6 -2.9 0.0 90 442 13 34 09 13 35 35 J1022+1001 07 33 33 32.5 127.9 -2.8 0.0 -21 442 No stop 13 38 50 --- 07 36 49 32.8 128.8 -2.8 0.0 174 454 13 35 39 13 38 50 J1025+1253 07 36 49 35.1 126.5 -2.8 0.0 -21 454 No stop 13 40 20 =1023+131 07 38 19 35.3 126.9 -2.8 0.0 69 460 13 38 54 13 40 20 J1022+1001 07 38 19 33.0 129.2 -2.8 0.0 -21 460 No stop 13 43 35 --- 07 41 35 33.3 130.0 -2.7 0.0 174 473 13 40 24 13 44 20 J1025+1253 07 42 20 35.7 128.0 -2.7 0.0 24 473 13 44 20 13 45 50 =1023+131 07 43 50 35.8 128.4 -2.7 0.0 90 478 13 44 24 13 45 50 J1022+1001 07 43 50 33.6 130.6 -2.7 0.0 -21 478 No stop 13 49 05 --- 07 47 06 33.9 131.5 -2.6 0.0 174 491 13 45 54 13 49 05 J1025+1253 07 47 06 36.2 129.3 -2.7 0.0 -21 491 No stop 13 50 35 =1023+131 07 48 36 36.3 129.7 -2.6 0.0 69 497 13 49 09 13 50 35 J1022+1001 07 48 36 34.0 131.9 -2.6 0.0 -21 497 No stop 13 53 50 --- 07 51 51 34.4 132.8 -2.5 0.0 174 509 13 50 39 13 54 35 J1025+1253 07 52 36 36.8 130.8 -2.6 0.0 24 509 13 54 35 13 56 05 =1023+131 07 54 07 36.9 131.2 -2.5 0.0 90 515 13 54 39 13 56 05 J1022+1001 07 54 07 34.6 133.4 -2.5 0.0 -21 515 No stop 13 59 20 --- 07 57 22 34.9 134.3 -2.4 0.0 174 528 13 56 09 13 59 20 J1025+1253 07 57 22 37.2 132.1 -2.5 0.0 -21 528 No stop 14 00 50 =1023+131 07 58 52 37.4 132.5 -2.5 0.0 69 534 13 59 24 14 00 50 J1022+1001 07 58 52 35.0 134.8 -2.4 0.0 -21 534 No stop 14 04 05 --- 08 02 08 35.4 135.7 -2.4 0.0 174 546 14 00 54 14 04 50 J1025+1253 08 02 53 37.8 133.6 -2.4 0.0 24 546 14 04 50 14 06 20 =1023+131 08 04 23 37.9 134.1 -2.4 0.0 90 552 14 04 54 14 06 20 J1022+1001 08 04 23 35.6 136.3 -2.3 0.0 -21 552 No stop 14 09 35 --- 08 07 39 35.9 137.2 -2.3 0.0 174 564 14 06 24 14 09 35 J1025+1253 08 07 39 38.2 135.0 -2.3 0.0 -21 564 No stop 14 11 05 =1023+131 08 09 09 38.4 135.4 -2.3 0.0 69 570 14 09 39 Schedule for ONSALA85 (Code On ) 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 09 09 36.0 137.6 -2.2 0.0 -21 570 No stop 14 14 20 --- 08 12 25 36.3 138.6 -2.2 0.0 174 583 14 11 09 14 15 05 J1025+1253 08 13 10 38.8 136.6 -2.2 0.0 24 583 14 15 05 14 16 35 =1023+131 08 14 40 38.9 137.0 -2.2 0.0 90 589 14 15 09 14 16 35 J1022+1001 08 14 40 36.5 139.2 -2.1 0.0 -21 589 No stop 14 19 50 --- 08 17 56 36.8 140.1 -2.1 0.0 174 601 14 16 39 14 19 50 J1025+1253 08 17 56 39.2 138.0 -2.1 0.0 -21 601 No stop 14 21 20 =1023+131 08 19 26 39.3 138.4 -2.1 0.0 69 607 14 19 54 14 21 20 J1022+1001 08 19 26 36.9 140.6 -2.1 0.0 -21 607 No stop 14 24 35 --- 08 22 41 37.2 141.5 -2.0 0.0 174 620 14 21 24 14 25 20 J1025+1253 08 23 26 39.7 139.6 -2.1 0.0 24 620 14 25 20 14 26 50 =1023+131 08 24 57 39.8 140.0 -2.0 0.0 90 625 14 25 24 14 26 50 J1022+1001 08 24 57 37.4 142.2 -2.0 0.0 -21 625 No stop 14 30 05 --- 08 28 12 37.6 143.1 -1.9 0.0 174 638 14 26 54 14 30 05 J1025+1253 08 28 12 40.1 141.0 -2.0 0.0 -21 638 No stop 14 31 35 =1023+131 08 29 42 40.2 141.4 -1.9 0.0 69 644 14 30 09 14 31 35 J1022+1001 08 29 42 37.8 143.6 -1.9 0.0 -21 644 No stop 14 34 50 --- 08 32 58 38.0 144.5 -1.8 0.0 174 656 14 31 39 14 35 35 J1025+1253 08 33 43 40.6 142.7 -1.9 0.0 24 656 14 35 35 14 37 05 =1023+131 08 35 13 40.7 143.1 -1.9 0.0 90 662 14 35 39 14 37 05 J1022+1001 08 35 13 38.2 145.2 -1.8 0.0 -21 662 No stop 14 40 20 --- 08 38 29 38.4 146.2 -1.8 0.0 174 675 14 37 09 14 40 20 J1025+1253 08 38 29 40.9 144.1 -1.8 0.0 -21 675 No stop 14 41 50 =1023+131 08 39 59 41.1 144.6 -1.8 0.0 69 681 14 40 24 14 41 50 J1022+1001 08 39 59 38.6 146.6 -1.7 0.0 -21 681 No stop 14 45 05 --- 08 43 15 38.8 147.6 -1.7 0.0 174 693 14 41 54 14 45 50 J1025+1253 08 44 00 41.4 145.8 -1.7 0.0 24 693 14 45 50 14 47 20 =1023+131 08 45 30 41.5 146.3 -1.7 0.0 90 699 14 45 54 14 47 20 J1022+1001 08 45 30 39.0 148.3 -1.6 0.0 -21 699 No stop 14 50 35 --- 08 48 46 39.2 149.3 -1.6 0.0 174 712 14 47 24 Schedule for ONSALA85 (Code On ) 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 48 46 41.7 147.3 -1.6 0.0 -21 712 No stop 14 52 05 =1023+131 08 50 16 41.8 147.7 -1.6 0.0 69 717 14 50 39 14 52 05 J1022+1001 08 50 16 39.3 149.7 -1.6 0.0 -21 717 No stop 14 55 20 --- 08 53 31 39.5 150.7 -1.5 0.0 174 730 14 52 09 14 56 05 J1025+1253 08 54 17 42.1 149.0 -1.5 0.0 24 730 14 56 05 14 57 35 =1023+131 08 55 47 42.2 149.5 -1.5 0.0 90 736 14 56 09 14 57 35 J1022+1001 08 55 47 39.7 151.4 -1.5 0.0 -21 736 No stop 15 00 50 --- 08 59 02 39.9 152.4 -1.4 0.0 174 748 14 57 39 15 00 50 J1025+1253 08 59 02 42.4 150.5 -1.5 0.0 -21 748 No stop 15 02 20 =1023+131 09 00 33 42.5 151.0 -1.4 0.0 69 754 15 00 54 15 02 20 J1022+1001 09 00 33 40.0 152.9 -1.4 0.0 -21 754 No stop 15 05 35 --- 09 03 48 40.1 153.9 -1.3 0.0 174 767 15 02 24 15 06 20 J1025+1253 09 04 33 42.8 152.3 -1.4 0.0 24 767 15 06 20 15 08 20 =1023+131 09 06 34 42.9 152.9 -1.3 0.0 120 774 15 06 24 15 13 05 J1310+3220 09 11 19 42.7 95.4 -4.0 0.0 138 774 15 13 05 15 20 00 =1308+326 09 18 15 43.6 96.9 -3.9 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: on21cm1 Values from E-mail J.Conway (CR 21Oct02) Setup group: 3 Station: ONSALA85 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= 1500.00 1500.00 1500.00 1500.00 1500.00 1500.00 1500.00 1500.00 1500.00 1500.00 1500.00 1500.00 1500.00 1500.00 1500.00 1500.00 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: 4 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= 134.49 134.49 134.49 134.49 150.49 150.49 150.49 150.49 166.49 166.49 166.49 166.49 182.49 182.49 182.49 182.49 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