COVER INFORMATION Station: URUMQI (Code Ur ) 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 URUMQI (Code Ur ) 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: 334.49 334.49 334.49 334.49 350.49 350.49 350.49 350.49 366.49 366.49 366.49 366.49 382.49 382.49 382.49 382.49 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 10 05 46 81.6 241.1 0.6 54.8 0 0 18 00 00 18 07 00 =0923+392 10 12 47 80.4 245.9 0.7 58.4 420 27 18 00 04 18 12 30 J1025+1253 10 18 18 59.3 176.0 -0.1 -2.9 254 27 18 12 30 18 14 30 =1023+131 10 20 18 59.3 177.0 -0.1 -2.2 120 35 18 12 34 18 14 30 J1022+1001 10 20 18 56.5 178.5 -0.1 -1.1 -9 35 No stop 18 22 45 --- 10 28 35 56.5 182.2 0.1 1.6 486 67 18 14 34 18 23 30 J1025+1253 10 29 20 59.4 181.3 0.0 1.0 36 67 18 23 30 18 25 00 =1023+131 10 30 50 59.4 182.0 0.1 1.5 90 73 18 23 34 18 25 00 J1022+1001 10 30 50 56.5 183.2 0.1 2.4 -9 73 No stop 18 28 15 --- 10 34 06 56.4 184.7 0.2 3.4 186 85 18 25 04 18 29 00 J1025+1253 10 34 51 59.3 184.0 0.1 2.9 36 85 18 29 00 18 30 30 =1023+131 10 36 21 59.3 184.7 0.2 3.5 90 91 18 29 04 18 30 30 J1022+1001 10 36 21 56.4 185.7 0.2 4.2 -9 91 No stop 18 33 45 --- 10 39 36 56.3 187.1 0.3 5.2 186 104 18 30 34 18 33 45 J1025+1253 10 39 36 59.2 186.2 0.2 4.6 -9 104 No stop 18 35 15 =1023+131 10 41 07 59.2 186.9 0.2 5.2 81 109 18 33 49 18 35 15 J1022+1001 10 41 07 56.3 187.8 0.3 5.7 -9 109 No stop 18 38 30 --- 10 44 22 56.2 189.2 0.3 6.8 186 122 18 35 19 18 39 15 J1025+1253 10 45 07 59.1 188.8 0.3 6.6 36 122 18 39 15 18 40 45 =1023+131 10 46 38 59.1 189.5 0.3 7.1 90 128 18 39 19 18 40 45 J1022+1001 10 46 38 56.1 190.2 0.4 7.5 -9 128 No stop 18 44 00 --- 10 49 53 56.0 191.6 0.4 8.5 186 140 18 40 49 Schedule for URUMQI (Code Ur ) 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 10 49 53 59.0 191.1 0.4 8.2 -9 140 No stop 18 45 30 =1023+131 10 51 23 58.9 191.8 0.4 8.7 81 146 18 44 04 18 45 30 J1022+1001 10 51 23 56.0 192.3 0.5 9.0 -9 146 No stop 18 48 45 --- 10 54 39 55.8 193.7 0.5 10.1 186 159 18 45 34 18 49 30 J1025+1253 10 55 24 58.7 193.6 0.5 10.1 36 159 18 49 30 18 51 00 =1023+131 10 56 54 58.7 194.3 0.5 10.6 90 165 18 49 34 18 51 00 J1022+1001 10 56 54 55.7 194.7 0.6 10.8 -9 165 No stop 18 54 15 --- 11 00 10 55.6 196.1 0.6 11.8 186 177 18 51 04 18 54 15 J1025+1253 11 00 10 58.5 195.8 0.6 11.7 -9 177 No stop 18 55 45 =1023+131 11 01 40 58.4 196.5 0.6 12.2 81 183 18 54 19 18 55 45 J1022+1001 11 01 40 55.5 196.7 0.6 12.2 -9 183 No stop 18 59 00 --- 11 04 56 55.3 198.1 0.7 13.2 186 195 18 55 49 18 59 45 J1025+1253 11 05 41 58.2 198.3 0.7 13.5 36 195 18 59 45 19 01 15 =1023+131 11 07 11 58.1 199.0 0.7 14.0 90 201 18 59 49 19 01 15 J1022+1001 11 07 11 55.2 199.0 0.7 13.9 -9 201 No stop 19 04 30 --- 11 10 26 55.0 200.4 0.8 14.9 186 214 19 01 19 19 04 30 J1025+1253 11 10 26 57.9 200.5 0.7 15.1 -9 214 No stop 19 06 00 =1023+131 11 11 57 57.8 201.1 0.8 15.6 81 220 19 04 34 19 06 00 J1022+1001 11 11 57 54.9 201.0 0.8 15.3 -9 220 No stop 19 09 15 --- 11 15 12 54.7 202.4 0.9 16.3 186 232 19 06 04 19 10 00 J1025+1253 11 15 57 57.6 202.9 0.8 16.8 36 232 19 10 00 19 12 00 =1023+131 11 17 58 57.4 203.7 0.9 17.4 120 240 19 10 04 19 15 55 J0927+3902 11 21 53 68.2 268.0 1.9 68.9 167 240 19 15 55 19 23 15 =0923+392 11 29 15 66.9 269.3 2.0 69.0 440 268 19 15 59 19 27 05 J1025+1253 11 33 05 56.2 210.1 1.1 21.9 166 268 19 27 05 19 29 05 =1023+131 11 35 06 56.0 210.9 1.1 22.5 120 276 19 27 09 19 29 05 J1022+1001 11 35 06 53.1 210.2 1.2 21.8 -9 276 No stop 19 32 20 --- 11 38 21 52.8 211.4 1.2 22.6 186 289 19 29 09 19 33 05 J1025+1253 11 39 06 55.6 212.5 1.2 23.6 36 289 19 33 05 19 34 35 =1023+131 11 40 36 55.5 213.1 1.2 24.0 90 294 19 33 09 Schedule for URUMQI (Code Ur ) 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 11 40 36 52.6 212.3 1.3 23.2 -9 294 No stop 19 37 50 --- 11 43 52 52.2 213.5 1.3 24.0 186 307 19 34 39 19 37 50 J1025+1253 11 43 52 55.1 214.4 1.3 24.8 -9 307 No stop 19 39 20 =1023+131 11 45 22 55.0 214.9 1.3 25.2 81 313 19 37 54 19 39 20 J1022+1001 11 45 22 52.1 214.0 1.4 24.4 -9 313 No stop 19 42 35 --- 11 48 38 51.7 215.2 1.4 25.1 186 325 19 39 24 19 43 20 J1025+1253 11 49 23 54.6 216.5 1.4 26.3 36 325 19 43 20 19 44 50 =1023+131 11 50 53 54.4 217.0 1.4 26.6 90 331 19 43 24 19 44 50 J1022+1001 11 50 53 51.5 216.0 1.5 25.7 -9 331 No stop 19 48 05 --- 11 54 09 51.2 217.2 1.5 26.4 186 344 19 44 54 19 48 05 J1025+1253 11 54 09 54.0 218.2 1.5 27.4 -9 344 No stop 19 49 35 =1023+131 11 55 39 53.9 218.8 1.5 27.8 81 350 19 48 09 19 49 35 J1022+1001 11 55 39 51.0 217.7 1.5 26.8 -9 350 No stop 19 52 50 --- 11 58 54 50.6 218.8 1.6 27.5 186 362 19 49 39 19 53 35 J1025+1253 11 59 40 53.4 220.3 1.6 28.7 36 362 19 53 35 19 55 05 =1023+131 12 01 10 53.2 220.8 1.6 29.1 90 368 19 53 39 19 55 05 J1022+1001 12 01 10 50.4 219.6 1.6 28.0 -9 368 No stop 19 58 20 --- 12 04 25 50.0 220.7 1.7 28.7 186 381 19 55 09 19 58 20 J1025+1253 12 04 25 52.8 221.9 1.6 29.8 -9 381 No stop 19 59 50 =1023+131 12 05 56 52.7 222.5 1.7 30.2 81 386 19 58 24 19 59 50 J1022+1001 12 05 56 49.8 221.2 1.7 29.0 -9 386 No stop 20 03 05 --- 12 09 11 49.4 222.3 1.8 29.7 186 399 19 59 54 20 03 50 J1025+1253 12 09 56 52.2 223.8 1.7 31.0 36 399 20 03 50 20 05 20 =1023+131 12 11 26 52.0 224.4 1.7 31.4 90 405 20 03 54 20 05 20 J1022+1001 12 11 26 49.1 223.0 1.8 30.2 -9 405 No stop 20 08 35 --- 12 14 42 48.7 224.1 1.9 30.8 186 417 20 05 24 20 08 35 J1025+1253 12 14 42 51.5 225.4 1.8 32.0 -9 417 No stop 20 10 05 =1023+131 12 16 12 51.4 225.9 1.8 32.3 81 423 20 08 39 20 10 05 J1022+1001 12 16 12 48.5 224.6 1.9 31.1 -9 423 No stop 20 13 20 --- 12 19 28 48.1 225.6 1.9 31.8 186 436 20 10 09 Schedule for URUMQI (Code Ur ) 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 12 20 13 50.8 227.3 1.9 33.1 36 436 20 14 05 20 15 35 =1023+131 12 21 43 50.6 227.7 1.9 33.4 90 442 20 14 09 20 15 35 J1022+1001 12 21 43 47.8 226.3 2.0 32.2 -9 442 No stop 20 18 50 --- 12 24 59 47.4 227.3 2.0 32.8 186 454 20 15 39 20 18 50 J1025+1253 12 24 59 50.2 228.8 2.0 34.0 -9 454 No stop 20 20 20 =1023+131 12 26 29 50.0 229.2 2.0 34.3 81 460 20 18 54 20 20 20 J1022+1001 12 26 29 47.2 227.8 2.0 33.1 -9 460 No stop 20 23 35 --- 12 29 44 46.7 228.7 2.1 33.6 186 473 20 20 24 20 24 20 J1025+1253 12 30 30 49.4 230.5 2.1 35.0 36 473 20 24 20 20 25 50 =1023+131 12 32 00 49.2 230.9 2.1 35.3 90 478 20 24 24 20 25 50 J1022+1001 12 32 00 46.4 229.4 2.1 34.0 -9 478 No stop 20 29 05 --- 12 35 15 46.0 230.4 2.2 34.6 186 491 20 25 54 20 29 05 J1025+1253 12 35 15 48.7 231.9 2.1 35.9 -8 491 No stop 20 30 35 =1023+131 12 36 46 48.5 232.4 2.2 36.1 82 497 20 29 09 20 30 35 J1022+1001 12 36 46 45.8 230.8 2.2 34.8 -9 497 No stop 20 33 50 --- 12 40 01 45.3 231.7 2.3 35.4 186 509 20 30 39 20 34 35 J1025+1253 12 40 46 47.9 233.6 2.2 36.8 37 509 20 34 35 20 36 05 =1023+131 12 42 17 47.7 234.0 2.3 37.0 90 515 20 34 39 20 36 05 J1022+1001 12 42 17 45.0 232.4 2.3 35.7 -9 515 No stop 20 39 20 --- 12 45 32 44.5 233.3 2.4 36.2 186 528 20 36 09 20 39 20 J1025+1253 12 45 32 47.2 234.9 2.3 37.5 -8 528 No stop 20 40 50 =1023+131 12 47 02 47.0 235.4 2.3 37.8 82 534 20 39 24 20 40 50 J1022+1001 12 47 02 44.3 233.7 2.4 36.4 -8 534 No stop 20 44 05 --- 12 50 18 43.8 234.6 2.4 36.9 187 546 20 40 54 20 44 50 J1025+1253 12 51 03 46.4 236.5 2.4 38.4 37 546 20 44 50 20 46 20 =1023+131 12 52 33 46.2 236.9 2.4 38.6 90 552 20 44 54 20 46 20 J1022+1001 12 52 33 43.5 235.2 2.5 37.2 -8 552 No stop 20 49 35 --- 12 55 49 43.0 236.1 2.5 37.7 187 564 20 46 24 20 49 35 J1025+1253 12 55 49 45.7 237.8 2.5 39.0 -8 564 No stop 20 51 05 =1023+131 12 57 19 45.5 238.2 2.5 39.2 82 570 20 49 39 Schedule for URUMQI (Code Ur ) 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 12 57 19 42.8 236.5 2.6 37.9 -8 570 No stop 20 54 20 --- 13 00 35 42.3 237.4 2.6 38.4 187 583 20 51 09 20 55 05 J1025+1253 13 01 20 44.8 239.3 2.6 39.8 37 583 20 55 05 20 56 35 =1023+131 13 02 50 44.6 239.7 2.6 40.0 90 589 20 55 09 20 56 35 J1022+1001 13 02 50 41.9 237.9 2.7 38.6 -8 589 No stop 20 59 50 --- 13 06 05 41.4 238.8 2.7 39.1 187 601 20 56 39 20 59 50 J1025+1253 13 06 05 44.1 240.5 2.7 40.4 -8 601 No stop 21 01 20 =1023+131 13 07 36 43.9 240.9 2.7 40.6 82 607 20 59 54 21 01 20 J1022+1001 13 07 36 41.2 239.2 2.7 39.2 -8 607 No stop 21 04 35 --- 13 10 51 40.7 240.0 2.8 39.6 187 620 21 01 24 21 05 20 J1025+1253 13 11 36 43.2 241.9 2.8 41.0 37 620 21 05 20 21 06 50 =1023+131 13 13 07 43.0 242.3 2.8 41.2 90 625 21 05 24 21 06 50 J1022+1001 13 13 07 40.3 240.5 2.8 39.9 -8 625 No stop 21 10 05 --- 13 16 22 39.8 241.3 2.9 40.3 187 638 21 06 54 21 10 05 J1025+1253 13 16 22 42.5 243.1 2.8 41.6 -8 638 No stop 21 11 35 =1023+131 13 17 52 42.2 243.5 2.9 41.8 82 644 21 10 09 21 11 35 J1022+1001 13 17 52 39.6 241.7 2.9 40.5 -8 644 No stop 21 14 50 --- 13 21 08 39.0 242.5 3.0 40.8 187 656 21 11 39 21 15 35 J1025+1253 13 21 53 41.6 244.5 2.9 42.2 37 656 21 15 35 21 17 05 =1023+131 13 23 23 41.3 244.8 2.9 42.3 90 662 21 15 39 21 17 05 J1022+1001 13 23 23 38.7 243.0 3.0 41.1 -8 662 No stop 21 20 20 --- 13 26 39 38.2 243.8 3.1 41.4 187 675 21 17 09 21 20 20 J1025+1253 13 26 39 40.8 245.6 3.0 42.7 -8 675 No stop 21 21 50 =1023+131 13 28 09 40.5 245.9 3.0 42.8 82 681 21 20 24 21 21 50 J1022+1001 13 28 09 37.9 244.2 3.1 41.5 -8 681 No stop 21 25 05 --- 13 31 25 37.4 244.9 3.1 41.9 187 693 21 21 54 21 25 50 J1025+1253 13 32 10 39.9 246.9 3.1 43.2 37 693 21 25 50 21 27 20 =1023+131 13 33 40 39.6 247.2 3.1 43.3 90 699 21 25 54 21 27 20 J1022+1001 13 33 40 37.0 245.4 3.2 42.1 -8 699 No stop 21 30 35 --- 13 36 55 36.5 246.2 3.2 42.4 187 712 21 27 24 Schedule for URUMQI (Code Ur ) 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 13 36 55 39.1 248.0 3.2 43.6 -8 712 No stop 21 32 05 =1023+131 13 38 26 38.8 248.3 3.2 43.8 82 717 21 30 39 21 32 05 J1022+1001 13 38 26 36.2 246.5 3.2 42.5 -8 717 No stop 21 35 20 --- 13 41 41 35.7 247.2 3.3 42.8 187 730 21 32 09 21 36 05 J1025+1253 13 42 26 38.1 249.2 3.3 44.1 37 730 21 36 05 21 37 35 =1023+131 13 43 57 37.9 249.5 3.3 44.2 90 736 21 36 09 21 37 35 J1022+1001 13 43 57 35.3 247.7 3.3 43.0 -8 736 No stop 21 40 50 --- 13 47 12 34.7 248.5 3.4 43.3 187 748 21 37 39 21 40 50 J1025+1253 13 47 12 37.3 250.3 3.3 44.5 -8 748 No stop 21 42 20 =1023+131 13 48 42 37.1 250.6 3.4 44.6 82 754 21 40 54 21 42 20 J1022+1001 13 48 42 34.5 248.8 3.4 43.4 -8 754 No stop 21 45 35 --- 13 51 58 33.9 249.5 3.5 43.6 187 767 21 42 24 21 46 20 J1025+1253 13 52 43 36.4 251.5 3.4 44.9 37 767 21 46 20 21 48 20 =1023+131 13 54 43 36.0 251.9 3.5 45.0 120 774 21 46 24 21 53 05 J1310+3220 13 59 29 75.3 224.4 0.8 36.9 203 774 21 53 05 22 00 00 =1308+326 14 06 25 74.4 228.8 0.9 40.2 415 801 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: ur18cm update L.Xiang 9Feb05 Setup group: 8 Station: URUMQI 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= 1300.00 1300.00 1300.00 1300.00 1300.00 1300.00 1300.00 1300.00 1300.00 1300.00 1300.00 1300.00 1300.00 1300.00 1300.00 1300.00 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: 8 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= 334.49 334.49 334.49 334.49 350.49 350.49 350.49 350.49 366.49 366.49 366.49 366.49 382.49 382.49 382.49 382.49 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