COVER INFORMATION Station: WSTRBORK (Code Wb ) 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 WSTRBORK (Code Wb ) 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: 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 11 20 00 J0927+3902 04 56 28 42.8 78.6 -4.5 0.0 0 0 11 20 00 11 27 00 =0923+392 05 03 29 43.8 79.8 -4.4 0.0 420 27 11 20 04 11 32 30 J1025+1253 05 09 00 16.6 90.6 -5.3 0.0 230 27 11 32 30 11 34 30 =1023+131 05 11 00 16.9 91.0 -5.3 0.0 120 35 11 32 34 11 34 30 J1022+1001 05 11 00 15.1 93.4 -5.2 0.0 -23 35 No stop 11 42 45 --- 05 19 16 16.3 95.1 -5.1 0.0 472 67 11 34 34 11 43 30 J1025+1253 05 20 02 18.3 92.8 -5.1 0.0 22 67 11 43 30 11 45 00 =1023+131 05 21 32 18.5 93.1 -5.1 0.0 90 73 11 43 34 11 45 00 J1022+1001 05 21 32 16.7 95.5 -5.0 0.0 -23 73 No stop 11 48 15 --- 05 24 47 17.1 96.2 -5.0 0.0 172 85 11 45 04 11 49 00 J1025+1253 05 25 33 19.1 93.9 -5.0 0.0 22 85 11 49 00 11 50 30 =1023+131 05 27 03 19.3 94.2 -5.0 0.0 90 91 11 49 04 11 50 30 J1022+1001 05 27 03 17.5 96.6 -4.9 0.0 -23 91 No stop 11 53 45 --- 05 30 18 18.0 97.3 -4.9 0.0 172 104 11 50 34 11 53 45 J1025+1253 05 30 18 19.8 94.9 -4.9 0.0 -23 104 No stop 11 55 15 =1023+131 05 31 49 20.0 95.2 -4.9 0.0 67 109 11 53 49 11 55 15 J1022+1001 05 31 49 18.2 97.6 -4.9 0.0 -23 109 No stop 11 58 30 --- 05 35 04 18.7 98.3 -4.8 0.0 172 122 11 55 19 11 59 15 J1025+1253 05 35 49 20.6 96.0 -4.8 0.0 22 122 11 59 15 12 00 45 =1023+131 05 37 19 20.8 96.3 -4.8 0.0 90 128 11 59 19 12 00 45 J1022+1001 05 37 19 19.0 98.8 -4.8 0.0 -23 128 No stop 12 04 00 --- 05 40 35 19.5 99.4 -4.7 0.0 172 140 12 00 49 Schedule for WSTRBORK (Code Wb ) 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 05 40 35 21.3 97.0 -4.8 0.0 -23 140 No stop 12 05 30 =1023+131 05 42 05 21.6 97.3 -4.7 0.0 67 146 12 04 04 12 05 30 J1022+1001 05 42 05 19.7 99.8 -4.7 0.0 -23 146 No stop 12 08 45 --- 05 45 21 20.2 100.4 -4.6 0.0 172 159 12 05 34 12 09 30 J1025+1253 05 46 06 22.2 98.1 -4.7 0.0 22 159 12 09 30 12 11 00 =1023+131 05 47 36 22.4 98.4 -4.6 0.0 90 165 12 09 34 12 11 00 J1022+1001 05 47 36 20.5 100.9 -4.6 0.0 -23 165 No stop 12 14 15 --- 05 50 52 21.0 101.6 -4.5 0.0 172 177 12 11 04 12 14 15 J1025+1253 05 50 52 22.9 99.1 -4.6 0.0 -23 177 No stop 12 15 45 =1023+131 05 52 22 23.1 99.4 -4.6 0.0 67 183 12 14 19 12 15 45 J1022+1001 05 52 22 21.3 101.9 -4.5 0.0 -23 183 No stop 12 19 00 --- 05 55 37 21.7 102.6 -4.5 0.0 172 195 12 15 49 12 19 45 J1025+1253 05 56 23 23.7 100.3 -4.5 0.0 22 195 12 19 45 12 21 15 =1023+131 05 57 53 23.9 100.6 -4.5 0.0 90 201 12 19 49 12 21 15 J1022+1001 05 57 53 22.1 103.1 -4.4 0.0 -23 201 No stop 12 24 30 --- 06 01 08 22.5 103.8 -4.4 0.0 172 214 12 21 19 12 24 30 J1025+1253 06 01 08 24.4 101.3 -4.4 0.0 -23 214 No stop 12 26 00 =1023+131 06 02 39 24.6 101.6 -4.4 0.0 67 220 12 24 34 12 26 00 J1022+1001 06 02 39 22.8 104.1 -4.3 0.0 -23 220 No stop 12 29 15 --- 06 05 54 23.2 104.8 -4.3 0.0 172 232 12 26 04 12 30 00 J1025+1253 06 06 39 25.2 102.4 -4.3 0.0 22 232 12 30 00 12 32 00 =1023+131 06 08 40 25.5 102.9 -4.3 0.0 120 240 12 30 04 12 35 55 J0927+3902 06 12 35 54.2 92.8 -3.3 0.0 135 240 12 35 55 12 43 15 =0923+392 06 19 56 55.3 94.4 -3.1 0.0 440 268 12 35 59 12 47 05 J1025+1253 06 23 47 27.7 106.2 -4.0 0.0 130 268 12 47 05 12 49 05 =1023+131 06 25 47 28.0 106.6 -4.0 0.0 120 276 12 47 09 12 49 05 J1022+1001 06 25 47 26.1 109.2 -4.0 0.0 -23 276 No stop 12 52 20 --- 06 29 03 26.6 109.9 -3.9 0.0 172 289 12 49 09 12 53 05 J1025+1253 06 29 48 28.6 107.5 -3.9 0.0 22 289 12 53 05 12 54 35 =1023+131 06 31 18 28.8 107.9 -3.9 0.0 90 294 12 53 09 Schedule for WSTRBORK (Code Wb ) 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 31 18 26.9 110.4 -3.9 0.0 -23 294 No stop 12 57 50 --- 06 34 34 27.3 111.2 -3.8 0.0 172 307 12 54 39 12 57 50 J1025+1253 06 34 34 29.3 108.6 -3.9 0.0 -23 307 No stop 12 59 20 =1023+131 06 36 04 29.5 108.9 -3.8 0.0 67 313 12 57 54 12 59 20 J1022+1001 06 36 04 27.6 111.5 -3.8 0.0 -23 313 No stop 13 02 35 --- 06 39 20 28.0 112.2 -3.7 0.0 172 325 12 59 24 13 03 20 J1025+1253 06 40 05 30.0 109.9 -3.8 0.0 22 325 13 03 20 13 04 50 =1023+131 06 41 35 30.3 110.2 -3.7 0.0 90 331 13 03 24 13 04 50 J1022+1001 06 41 35 28.3 112.8 -3.7 0.0 -23 331 No stop 13 08 05 --- 06 44 51 28.8 113.5 -3.6 0.0 172 344 13 04 54 13 08 05 J1025+1253 06 44 51 30.7 110.9 -3.7 0.0 -23 344 No stop 13 09 35 =1023+131 06 46 21 30.9 111.3 -3.7 0.0 67 350 13 08 09 13 09 35 J1022+1001 06 46 21 29.0 113.9 -3.6 0.0 -23 350 No stop 13 12 50 --- 06 49 36 29.4 114.6 -3.6 0.0 172 362 13 09 39 13 13 35 J1025+1253 06 50 21 31.5 112.2 -3.6 0.0 22 362 13 13 35 13 15 05 =1023+131 06 51 52 31.7 112.6 -3.6 0.0 90 368 13 13 39 13 15 05 J1022+1001 06 51 52 29.7 115.2 -3.5 0.0 -23 368 No stop 13 18 20 --- 06 55 07 30.2 115.9 -3.5 0.0 172 381 13 15 09 13 18 20 J1025+1253 06 55 07 32.2 113.4 -3.5 0.0 -23 381 No stop 13 19 50 =1023+131 06 56 37 32.4 113.7 -3.5 0.0 67 386 13 18 24 13 19 50 J1022+1001 06 56 37 30.4 116.3 -3.4 0.0 -23 386 No stop 13 23 05 --- 06 59 53 30.8 117.1 -3.4 0.0 172 399 13 19 54 13 23 50 J1025+1253 07 00 38 32.9 114.7 -3.4 0.0 22 399 13 23 50 13 25 20 =1023+131 07 02 08 33.1 115.0 -3.4 0.0 90 405 13 23 54 13 25 20 J1022+1001 07 02 08 31.1 117.6 -3.4 0.0 -23 405 No stop 13 28 35 --- 07 05 24 31.6 118.4 -3.3 0.0 172 417 13 25 24 13 28 35 J1025+1253 07 05 24 33.6 115.8 -3.4 0.0 -23 417 No stop 13 30 05 =1023+131 07 06 54 33.8 116.2 -3.3 0.0 67 423 13 28 39 13 30 05 J1022+1001 07 06 54 31.8 118.8 -3.3 0.0 -23 423 No stop 13 33 20 --- 07 10 10 32.2 119.6 -3.2 0.0 172 436 13 30 09 Schedule for WSTRBORK (Code Wb ) 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 10 55 34.3 117.2 -3.3 0.0 22 436 13 34 05 13 35 35 =1023+131 07 12 25 34.5 117.5 -3.2 0.0 90 442 13 34 09 13 35 35 J1022+1001 07 12 25 32.5 120.1 -3.2 0.0 -23 442 No stop 13 38 50 --- 07 15 41 32.9 120.9 -3.1 0.0 172 454 13 35 39 13 38 50 J1025+1253 07 15 41 34.9 118.4 -3.2 0.0 -23 454 No stop 13 40 20 =1023+131 07 17 11 35.1 118.7 -3.2 0.0 67 460 13 38 54 13 40 20 J1022+1001 07 17 11 33.1 121.3 -3.1 0.0 -23 460 No stop 13 43 35 --- 07 20 26 33.5 122.1 -3.1 0.0 172 473 13 40 24 13 44 20 J1025+1253 07 21 11 35.7 119.7 -3.1 0.0 22 473 13 44 20 13 45 50 =1023+131 07 22 42 35.9 120.1 -3.1 0.0 90 478 13 44 24 13 45 50 J1022+1001 07 22 42 33.8 122.7 -3.0 0.0 -23 478 No stop 13 49 05 --- 07 25 57 34.2 123.5 -3.0 0.0 172 491 13 45 54 13 49 05 J1025+1253 07 25 57 36.3 121.0 -3.0 0.0 -23 491 No stop 13 50 35 =1023+131 07 27 27 36.5 121.3 -3.0 0.0 67 497 13 49 09 13 50 35 J1022+1001 07 27 27 34.4 123.9 -2.9 0.0 -23 497 No stop 13 53 50 --- 07 30 43 34.8 124.8 -2.9 0.0 172 509 13 50 39 13 54 35 J1025+1253 07 31 28 37.0 122.4 -2.9 0.0 22 509 13 54 35 13 56 05 =1023+131 07 32 58 37.2 122.8 -2.9 0.0 90 515 13 54 39 13 56 05 J1022+1001 07 32 58 35.1 125.4 -2.8 0.0 -23 515 No stop 13 59 20 --- 07 36 14 35.5 126.2 -2.8 0.0 172 528 13 56 09 13 59 20 J1025+1253 07 36 14 37.6 123.6 -2.8 0.0 -23 528 No stop 14 00 50 =1023+131 07 37 44 37.8 124.0 -2.8 0.0 67 534 13 59 24 14 00 50 J1022+1001 07 37 44 35.7 126.6 -2.8 0.0 -23 534 No stop 14 04 05 --- 07 41 00 36.1 127.5 -2.7 0.0 172 546 14 00 54 14 04 50 J1025+1253 07 41 45 38.3 125.1 -2.7 0.0 22 546 14 04 50 14 06 20 =1023+131 07 43 15 38.5 125.5 -2.7 0.0 90 552 14 04 54 14 06 20 J1022+1001 07 43 15 36.3 128.1 -2.7 0.0 -23 552 No stop 14 09 35 --- 07 46 31 36.7 128.9 -2.6 0.0 172 564 14 06 24 14 09 35 J1025+1253 07 46 31 38.9 126.4 -2.7 0.0 -23 564 No stop 14 11 05 =1023+131 07 48 01 39.1 126.8 -2.6 0.0 67 570 14 09 39 Schedule for WSTRBORK (Code Wb ) 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 07 48 01 36.9 129.4 -2.6 0.0 -23 570 No stop 14 14 20 --- 07 51 16 37.3 130.2 -2.5 0.0 172 583 14 11 09 14 15 05 J1025+1253 07 52 02 39.5 127.9 -2.6 0.0 22 583 14 15 05 14 16 35 =1023+131 07 53 32 39.7 128.3 -2.6 0.0 90 589 14 15 09 14 16 35 J1022+1001 07 53 32 37.5 130.9 -2.5 0.0 -23 589 No stop 14 19 50 --- 07 56 47 37.9 131.8 -2.4 0.0 172 601 14 16 39 14 19 50 J1025+1253 07 56 47 40.1 129.2 -2.5 0.0 -23 601 No stop 14 21 20 =1023+131 07 58 18 40.3 129.6 -2.5 0.0 67 607 14 19 54 14 21 20 J1022+1001 07 58 18 38.1 132.2 -2.4 0.0 -23 607 No stop 14 24 35 --- 08 01 33 38.4 133.1 -2.4 0.0 172 620 14 21 24 14 25 20 J1025+1253 08 02 18 40.7 130.8 -2.4 0.0 22 620 14 25 20 14 26 50 =1023+131 08 03 48 40.9 131.2 -2.4 0.0 90 625 14 25 24 14 26 50 J1022+1001 08 03 48 38.7 133.7 -2.3 0.0 -23 625 No stop 14 30 05 --- 08 07 04 39.0 134.7 -2.3 0.0 172 638 14 26 54 14 30 05 J1025+1253 08 07 04 41.3 132.1 -2.3 0.0 -23 638 No stop 14 31 35 =1023+131 08 08 34 41.4 132.6 -2.3 0.0 67 644 14 30 09 14 31 35 J1022+1001 08 08 34 39.2 135.1 -2.3 0.0 -23 644 No stop 14 34 50 --- 08 11 50 39.5 136.0 -2.2 0.0 172 656 14 31 39 14 35 35 J1025+1253 08 12 35 41.9 133.7 -2.2 0.0 22 656 14 35 35 14 37 05 =1023+131 08 14 05 42.0 134.2 -2.2 0.0 90 662 14 35 39 14 37 05 J1022+1001 08 14 05 39.8 136.7 -2.2 0.0 -23 662 No stop 14 40 20 --- 08 17 21 40.1 137.6 -2.1 0.0 172 675 14 37 09 14 40 20 J1025+1253 08 17 21 42.4 135.1 -2.2 0.0 -23 675 No stop 14 41 50 =1023+131 08 18 51 42.5 135.6 -2.1 0.0 67 681 14 40 24 14 41 50 J1022+1001 08 18 51 40.3 138.1 -2.1 0.0 -23 681 No stop 14 45 05 --- 08 22 06 40.6 139.0 -2.0 0.0 172 693 14 41 54 14 45 50 J1025+1253 08 22 52 43.0 136.8 -2.1 0.0 22 693 14 45 50 14 47 20 =1023+131 08 24 22 43.1 137.2 -2.0 0.0 90 699 14 45 54 14 47 20 J1022+1001 08 24 22 40.8 139.7 -2.0 0.0 -23 699 No stop 14 50 35 --- 08 27 37 41.1 140.7 -1.9 0.0 172 712 14 47 24 Schedule for WSTRBORK (Code Wb ) 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 27 37 43.5 138.2 -2.0 0.0 -23 712 No stop 14 52 05 =1023+131 08 29 08 43.6 138.7 -2.0 0.0 67 717 14 50 39 14 52 05 J1022+1001 08 29 08 41.3 141.1 -1.9 0.0 -23 717 No stop 14 55 20 --- 08 32 23 41.6 142.1 -1.9 0.0 172 730 14 52 09 14 56 05 J1025+1253 08 33 08 44.0 139.9 -1.9 0.0 22 730 14 56 05 14 57 35 =1023+131 08 34 38 44.1 140.4 -1.9 0.0 90 736 14 56 09 14 57 35 J1022+1001 08 34 38 41.8 142.8 -1.8 0.0 -23 736 No stop 15 00 50 --- 08 37 54 42.1 143.8 -1.8 0.0 172 748 14 57 39 15 00 50 J1025+1253 08 37 54 44.5 141.4 -1.8 0.0 -23 748 No stop 15 02 20 =1023+131 08 39 24 44.6 141.9 -1.8 0.0 67 754 15 00 54 15 02 20 J1022+1001 08 39 24 42.2 144.3 -1.7 0.0 -23 754 No stop 15 05 35 --- 08 42 40 42.5 145.3 -1.7 0.0 172 767 15 02 24 15 06 20 J1025+1253 08 43 25 45.0 143.2 -1.7 0.0 22 767 15 06 20 15 08 20 =1023+131 08 45 25 45.1 143.8 -1.7 0.0 120 774 15 06 24 15 13 05 J1310+3220 08 50 11 39.8 87.1 -4.3 0.0 137 774 15 13 05 15 20 00 =1308+326 08 57 07 40.8 88.4 -4.2 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: wb18cm E-mail Foley 22Jan97 MFFE, must be using Low patch Setup group: 1 Station: WSTRBORK 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: 2 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 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