COVER INFORMATION Station: SHANGHAI (Code Sh ) Experiment: PSR B1257+12 planetary system studies with EVN Exp. Code: EY013E Schedule Version: 1.00 Processed by SCHED version: 10.10 Release of about Feb. 14, 2012 PI: Zhen Yan Address: Shanghai Astronomical Observatory NO.80 Nandan Road Shanghai China Phone: 86-13402136110 EMAIL: yanzhen@shao.ac.cn Fax: 86-21-64281104 Phone during observation: 86-13402136110 Observing mode: Phase-referencing of a source at 18cm (1024 Mb/s) Notes: Target source: PSR B1257+12, s=2mJy(1.4GHz) Phase calibrator: J1300+141A Fringe finde J0927+3902, J1310+3220, J1522+3144 Use SCHED version 10.1 Schedule for SHANGHAI (Code Sh ) Page 2 PSR B1257+12 planetary system studies with EVN 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 ---------------------------------------------------------------------------------------- --- Tue 12 Jun 2012 Day 164 --- Next scan frequencies: 1610.49 1610.49 1610.49 1610.49 1642.49 1642.49 1642.49 1642.49 1674.49 1674.49 1674.49 1674.49 1706.49 1706.49 1706.49 1706.49 Next BBC frequencies: 689.51 689.51 689.51 689.51 657.51 657.51 657.51 657.51 625.51 625.51 625.51 625.51 593.51 593.51 593.51 593.51 Next scan bandwidths: 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 14 00 00 J0927+3902 15 29 59 18.6 -55.1 6.0 64.6 0 0 14 00 00 14 08 00 =0923+392 15 38 00 17.2 -54.4 6.2 63.6 480 62 14 00 01 14 13 30 J1300+141A 15 43 31 49.2 255.0 2.7 58.5 17 62 14 13 30 14 15 30 =1257+145 15 45 31 48.8 255.3 2.7 58.7 120 77 14 13 31 14 15 30 1257+12 15 45 31 47.9 253.4 2.7 57.2 -6 77 No stop 14 25 30 --- 15 55 33 45.8 255.3 2.9 58.1 594 155 14 15 31 14 26 10 J1300+141A 15 56 13 46.5 257.3 2.9 59.5 34 155 14 26 10 14 27 50 =1257+145 15 57 53 46.2 257.6 2.9 59.6 100 168 14 26 11 14 27 50 1257+12 15 57 53 45.3 255.7 3.0 58.2 -6 168 No stop 14 31 10 --- 16 01 14 44.6 256.3 3.0 58.5 194 194 14 27 51 14 31 50 J1300+141A 16 01 54 45.4 258.3 3.0 59.9 34 194 14 31 50 14 33 20 =1257+145 16 03 24 45.0 258.6 3.0 60.0 90 205 14 31 51 14 33 20 1257+12 16 03 24 44.2 256.7 3.0 58.6 -6 205 No stop 14 36 40 --- 16 06 45 43.5 257.3 3.1 58.9 194 231 14 33 21 14 36 40 J1300+141A 16 06 45 44.3 259.1 3.1 60.2 -6 231 No stop 14 38 10 =1257+145 16 08 15 44.0 259.4 3.1 60.3 84 243 14 36 41 14 38 10 1257+12 16 08 15 43.1 257.5 3.1 59.0 -6 243 No stop 14 41 30 --- 16 11 36 42.4 258.1 3.2 59.2 194 268 14 38 11 14 42 10 J1300+141A 16 12 16 43.2 260.1 3.2 60.5 34 268 14 42 10 14 43 40 =1257+145 16 13 46 42.9 260.3 3.2 60.5 90 280 14 42 11 14 43 40 1257+12 16 13 46 42.0 258.5 3.2 59.3 -6 280 No stop 14 47 00 --- 16 17 07 41.3 259.0 3.3 59.5 194 306 14 43 41 Schedule for SHANGHAI (Code Sh ) Page 3 PSR B1257+12 planetary system studies with EVN 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 ---------------------------------------------------------------------------------------- --- Tue 12 Jun 2012 Day 164 --- 14 47 00 J1300+141A 16 17 07 42.2 260.8 3.3 60.7 -6 306 No stop 14 48 30 =1257+145 16 18 37 41.8 261.1 3.3 60.8 84 317 14 47 01 14 48 30 1257+12 16 18 37 41.0 259.3 3.3 59.6 -6 317 No stop 14 51 50 --- 16 21 57 40.3 259.8 3.4 59.7 194 343 14 48 31 14 52 30 J1300+141A 16 22 38 41.0 261.7 3.4 60.9 34 343 14 52 30 14 54 00 =1257+145 16 24 08 40.7 262.0 3.4 61.0 90 355 14 52 31 14 54 00 1257+12 16 24 08 39.8 260.2 3.4 59.8 -6 355 No stop 14 57 20 --- 16 27 28 39.1 260.7 3.4 60.0 194 381 14 54 01 14 57 20 J1300+141A 16 27 28 40.0 262.5 3.4 61.1 -6 381 No stop 14 58 50 =1257+145 16 28 59 39.6 262.7 3.5 61.2 84 392 14 57 21 14 58 50 1257+12 16 28 59 38.8 260.9 3.5 60.1 -6 392 No stop 15 02 10 --- 16 32 19 38.1 261.5 3.5 60.2 194 418 14 58 51 15 02 50 J1300+141A 16 32 59 38.8 263.3 3.5 61.3 34 418 15 02 50 15 04 20 =1257+145 16 34 29 38.5 263.5 3.6 61.4 90 430 15 02 51 15 04 20 1257+12 16 34 29 37.6 261.8 3.6 60.3 -6 430 No stop 15 07 40 --- 16 37 50 36.9 262.3 3.6 60.4 194 455 15 04 21 15 07 40 J1300+141A 16 37 50 37.8 264.0 3.6 61.5 -6 455 No stop 15 09 10 =1257+145 16 39 20 37.4 264.2 3.6 61.5 84 467 15 07 41 15 09 10 1257+12 16 39 20 36.6 262.5 3.6 60.5 -6 467 No stop 15 12 30 --- 16 42 41 35.9 263.0 3.7 60.6 194 493 15 09 11 15 13 10 J1300+141A 16 43 21 36.6 264.8 3.7 61.6 34 493 15 13 10 15 14 40 =1257+145 16 44 51 36.3 265.0 3.7 61.6 90 504 15 13 11 15 14 40 1257+12 16 44 51 35.4 263.3 3.7 60.6 -6 504 No stop 15 18 00 --- 16 48 12 34.7 263.8 3.8 60.7 194 530 15 14 41 15 18 00 J1300+141A 16 48 12 35.5 265.5 3.8 61.7 -6 530 No stop 15 19 30 =1257+145 16 49 42 35.2 265.7 3.8 61.7 84 542 15 18 01 15 19 30 1257+12 16 49 42 34.4 264.0 3.8 60.8 -6 542 No stop 15 22 50 --- 16 53 02 33.7 264.5 3.9 60.9 194 568 15 19 31 15 23 30 J1300+141A 16 53 43 34.4 266.3 3.9 61.8 34 568 15 23 30 15 25 00 =1257+145 16 55 13 34.0 266.5 3.9 61.8 90 579 15 23 31 Schedule for SHANGHAI (Code Sh ) Page 4 PSR B1257+12 planetary system studies with EVN 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 ---------------------------------------------------------------------------------------- --- Tue 12 Jun 2012 Day 164 --- 15 25 00 1257+12 16 55 13 33.2 264.8 3.9 60.9 -6 579 No stop 15 28 20 --- 16 58 33 32.5 265.3 4.0 61.0 194 605 15 25 01 15 28 20 J1300+141A 16 58 33 33.3 266.9 4.0 61.9 -6 605 No stop 15 29 50 =1257+145 17 00 04 33.0 267.1 4.0 61.9 84 617 15 28 21 15 29 50 1257+12 17 00 04 32.2 265.5 4.0 61.0 -6 617 No stop 15 33 10 --- 17 03 24 31.5 266.0 4.0 61.1 194 643 15 29 51 15 33 50 J1300+141A 17 04 04 32.2 267.7 4.1 62.0 34 643 15 33 50 15 35 20 =1257+145 17 05 35 31.8 267.9 4.1 62.0 90 654 15 33 51 15 35 20 1257+12 17 05 35 31.0 266.3 4.1 61.1 -6 654 No stop 15 38 40 --- 17 08 55 30.3 266.7 4.1 61.2 194 680 15 35 21 15 38 40 J1300+141A 17 08 55 31.1 268.3 4.1 62.0 -6 680 No stop 15 40 10 =1257+145 17 10 25 30.8 268.5 4.2 62.0 84 692 15 38 41 15 40 10 1257+12 17 10 25 30.0 266.9 4.2 61.2 -6 692 No stop 15 43 30 --- 17 13 46 29.3 267.4 4.2 61.2 194 717 15 40 11 15 44 10 J1300+141A 17 14 26 29.9 269.1 4.2 62.0 34 717 15 44 10 15 45 40 =1257+145 17 15 56 29.6 269.3 4.2 62.0 90 729 15 44 11 15 45 40 1257+12 17 15 56 28.8 267.7 4.3 61.3 -6 729 No stop 15 49 00 --- 17 19 17 28.1 268.1 4.3 61.3 194 755 15 45 41 15 49 00 J1300+141A 17 19 17 28.9 269.7 4.3 62.0 -6 755 No stop 15 50 30 =1257+145 17 20 47 28.6 269.9 4.3 62.0 84 766 15 49 01 15 50 30 1257+12 17 20 47 27.8 268.3 4.3 61.3 -6 766 No stop 15 53 50 --- 17 24 08 27.0 268.8 4.4 61.3 194 792 15 50 31 15 54 30 J1300+141A 17 24 48 27.7 270.4 4.4 62.0 34 792 15 54 30 15 56 00 =1257+145 17 26 18 27.4 270.6 4.4 62.0 90 804 15 54 31 15 56 00 1257+12 17 26 18 26.6 269.1 4.4 61.3 -6 804 No stop 15 59 20 --- 17 29 38 25.9 269.5 4.5 61.3 194 830 15 56 01 15 59 20 J1300+141A 17 29 38 26.7 271.0 4.5 62.0 -6 830 No stop 16 00 50 =1257+145 17 31 09 26.4 271.2 4.5 62.0 84 841 15 59 21 16 00 50 1257+12 17 31 09 25.5 269.7 4.5 61.3 -5 841 No stop 16 04 10 --- 17 34 29 24.8 270.1 4.6 61.3 195 867 16 00 51 Schedule for SHANGHAI (Code Sh ) Page 5 PSR B1257+12 planetary system studies with EVN 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 ---------------------------------------------------------------------------------------- --- Tue 12 Jun 2012 Day 164 --- 16 04 50 J1300+141A 17 35 09 25.5 271.7 4.6 62.0 34 867 16 04 50 16 06 20 =1257+145 17 36 40 25.2 271.9 4.6 62.0 90 879 16 04 51 16 06 20 1257+12 17 36 40 24.4 270.4 4.6 61.3 -5 879 No stop 16 09 40 --- 17 40 00 23.6 270.8 4.7 61.3 195 904 16 06 21 16 09 40 J1300+141A 17 40 00 24.5 272.3 4.7 62.0 -5 904 No stop 16 11 10 =1257+145 17 41 30 24.1 272.5 4.7 61.9 85 916 16 09 41 16 11 10 1257+12 17 41 30 23.3 271.0 4.7 61.3 -5 916 No stop 16 14 30 --- 17 44 51 22.6 271.4 4.7 61.3 195 942 16 11 11 16 15 10 J1300+141A 17 45 31 23.3 273.0 4.7 61.9 35 942 16 15 10 16 16 40 =1257+145 17 47 01 23.0 273.2 4.8 61.9 90 953 16 15 11 16 16 40 1257+12 17 47 01 22.1 271.7 4.8 61.3 -5 953 No stop 16 20 00 --- 17 50 22 21.4 272.1 4.8 61.3 195 979 16 16 41 16 20 00 J1300+141A 17 50 22 22.3 273.6 4.8 61.8 -5 979 No stop 16 21 30 =1257+145 17 51 52 21.9 273.8 4.8 61.8 85 991 16 20 01 16 21 30 1257+12 17 51 52 21.1 272.3 4.9 61.3 -5 991 No stop 16 24 50 --- 17 55 13 20.4 272.7 4.9 61.2 195 1017 16 21 31 16 25 30 J1300+141A 17 55 53 21.1 274.3 4.9 61.7 35 1017 16 25 30 16 27 00 =1257+145 17 57 23 20.8 274.5 4.9 61.7 90 1028 16 25 31 16 27 00 1257+12 17 57 23 19.9 273.0 4.9 61.2 -5 1028 No stop 16 30 20 --- 18 00 44 19.2 273.4 5.0 61.1 195 1054 16 27 01 16 30 20 J1300+141A 18 00 44 20.0 274.9 5.0 61.7 -5 1054 No stop 16 31 50 =1257+145 18 02 14 19.7 275.1 5.0 61.6 85 1066 16 30 21 16 31 50 1257+12 18 02 14 18.9 273.6 5.0 61.1 -5 1066 No stop 16 35 10 --- 18 05 34 18.2 274.0 5.1 61.1 195 1092 16 31 51 16 35 50 J1300+141A 18 06 14 18.9 275.6 5.1 61.5 35 1092 16 35 50 16 37 20 =1257+145 18 07 45 18.5 275.8 5.1 61.5 90 1103 16 35 51 16 37 20 1257+12 18 07 45 17.7 274.3 5.1 61.0 -5 1103 No stop 16 40 40 --- 18 11 05 17.0 274.7 5.2 61.0 195 1129 16 37 21 16 40 40 J1300+141A 18 11 05 17.8 276.2 5.2 61.4 -5 1129 No stop 16 42 10 =1257+145 18 12 36 17.5 276.3 5.2 61.4 85 1141 16 40 41 Schedule for SHANGHAI (Code Sh ) Page 6 PSR B1257+12 planetary system studies with EVN 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 ---------------------------------------------------------------------------------------- --- Tue 12 Jun 2012 Day 164 --- 16 42 10 1257+12 18 12 36 16.7 274.9 5.2 61.0 -5 1141 No stop 16 45 30 --- 18 15 56 16.0 275.3 5.3 60.9 195 1166 16 42 11 16 46 10 J1300+141A 18 16 36 16.7 276.8 5.3 61.3 35 1166 16 46 10 16 48 10 =1257+145 18 18 37 16.2 277.1 5.3 61.2 120 1182 16 46 11 16 51 30 J1310+3220 18 21 57 25.5 293.8 5.2 67.9 179 1182 16 51 30 16 59 05 =1308+326 18 29 33 24.0 294.5 5.3 67.2 455 1241 16 51 31 17 02 25 J1300+141A 18 32 54 13.2 278.8 5.5 60.8 179 1241 17 02 25 17 04 25 =1257+145 18 34 54 12.8 279.1 5.6 60.7 120 1256 17 02 26 17 04 25 1257+12 18 34 54 11.9 277.7 5.6 60.4 -6 1256 No stop 17 14 25 --- 18 44 56 9.8 278.9 5.7 60.1 594 1333 17 04 26 17 15 05 J1300+141A 18 45 36 10.5 280.4 5.7 60.3 35 1333 17 15 05 17 16 35 =1257+145 18 47 06 10.2 280.5 5.8 60.3 90 1345 17 15 06 17 16 35 1257+12 18 47 06 9.3 279.2 5.8 60.0 -6 1345 No stop 17 19 55 --- 18 50 27 8.6 279.6 5.8 59.9 194 1371 17 16 36 17 20 35 J1300+141A 18 51 07 9.4 281.0 5.8 60.1 35 1371 17 20 35 17 22 05 =1257+145 18 52 37 9.0 281.2 5.9 60.1 90 1382 17 20 36 17 22 05 1257+12 18 52 37 8.2 279.8 5.9 59.8 -6 1382 No stop 17 25 25 --- 18 55 58 7.5 280.3 5.9 59.7 194 1408 17 22 06 17 25 25 J1300+141A 18 55 58 8.3 281.6 5.9 59.9 -6 1408 No stop 17 26 55 =1257+145 18 57 28 8.0 281.8 5.9 59.8 84 1420 17 25 26 17 26 55 1257+12 18 57 28 7.2 280.4 5.9 59.6 -6 1420 No stop 17 30 15 --- 19 00 48 6.5 280.9 6.0 59.5 194 1446 17 26 56 17 30 55 J1300+141A 19 01 29 7.2 282.3 6.0 59.7 34 1446 17 30 55 17 32 25 =1257+145 19 02 59 6.9 282.5 6.0 59.6 90 1457 17 30 56 17 32 25 1257+12 19 02 59 6.0 281.1 6.0 59.4 -6 1457 No stop 17 35 45 --- 19 06 19 5.3 281.6 6.1 59.3 194 1483 17 32 26 17 35 45 J1300+141A 19 06 19 6.2 282.9 6.1 59.4 -6 1483 No stop 17 37 15 =1257+145 19 07 50 5.9 283.1 6.1 59.4 84 1495 17 35 46 17 41 15 J1300+141A 19 11 50 5.0 283.6 6.2 59.2 238 1495 17 41 15 17 42 45 =1257+145 19 13 20 4.7 283.8 6.2 D 59.1 0 1506 17 41 16 Schedule for SHANGHAI (Code Sh ) Page 7 PSR B1257+12 planetary system studies with EVN 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 ---------------------------------------------------------------------------------------- --- Tue 12 Jun 2012 Day 164 --- 19 52 00 J1522+3144 21 22 57 15.7 297.9 6.0 62.8 7690 1506 19 52 00 20 00 00 =1520+319 21 30 58 14.2 298.7 6.1 62.0 480 1568 19 52 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess212.L1024 Matching groups in /psr/soft/sched10.1/catalogs/freq.dat: sh18cm Huang Xinyong 27Sept05 ****** Only 244.98 of 256.00 MHz total bandwidth is within the IFs in the setup file before any FREQ or DOPPLER shifts. Setup group: 5 Station: SHANGHAI Total bit rate: 1024 Format: MARK5B Bits per sample: 2 Sample rate: 32.000 Number of channels: 16 DBE type: Speedup factor: 1.00 Disk used to record data. 1st LO= 2300.00 2300.00 2300.00 2300.00 2300.00 2300.00 2300.00 2300.00 2300.00 2300.00 2300.00 2300.00 2300.00 2300.00 2300.00 2300.00 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 = 1 2 1 2 3 4 3 4 5 6 5 6 7 8 7 8 BBC SB= U U L L U U L L U U L L U U L L IF = C A C A C A C A C A C A C A C A The following frequency sets based on these setups were used. Frequency Set: 10 Setup file default. Used pcal sets: 1 LO sum= 1610.49 1610.49 1610.49 1610.49 1642.49 1642.49 1642.49 1642.49 1674.49 1674.49 1674.49 1674.49 1706.49 1706.49 1706.49 1706.49 BBC fr= 689.51 689.51 689.51 689.51 657.51 657.51 657.51 657.51 625.51 625.51 625.51 625.51 593.51 593.51 593.51 593.51 Bandwd= 16.000 16.000 16.000 16.000 16.000 16.000 16.000 16.000 16.000 16.000 16.000 16.000 16.000 16.000 16.000 16.000 Matching frequency sets: 10 The following pulse cal sets were used with this setup: Pulse cal detection set: 1 PCAL = 1MHZ PCALXB1= S1 S3 S5 S7 S9 S11 S13 S15 PCALXB2= S2 S4 S6 S8 S10 S12 S14 S16 PCALFR1= 490 510 490 510 490 510 490 510 PCALFR2= 490 510 490 510 490 510 490 510 Track assignments are: track1= 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32 barrel=roll_off SOURCES USED IN RECORDING SCANS -- PSR B1257+12 planetary system studies with EVN 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) * 1257+12 12 57 33.179926 * 13 00 03.089483 13 00 41.777629 0.00 B1257+12 12 57 04.86453 * 12 40 55.64224 12 36 52.96210 0.00 From catalog imbedded in main SCHED input file. 3.444 scan and 222.178 baseline hours in setup: sess212.L1024 Frequency sets (dups not shown): 1 2 3 4 5 6 7 10 11 13 * J0927+3902 09 23 55.319213 * 09 27 03.013934 09 27 49.689870 0.29 0923+392 39 15 23.56646 * 39 02 20.85186 38 59 07.16754 0.16 4C39.25 From catalog imbedded in main SCHED input file. J0927+39 GSFC 2010a astro solution 231732 Observations 0.133 scan and 8.800 baseline hours in setup: sess212.L1024 Frequency sets (dups not shown): 1 2 3 4 5 6 7 10 11 13 * J1300+141A 12 57 51.534337 * 13 00 20.918821 13 00 59.466942 0.05 J1300+1417 14 33 27.40940 * 14 17 18.53162 14 13 16.45455 0.07 1257+145 From catalog imbedded in main SCHED input file. J1300+14 GSFC 2010a astro solution 713 Observations 1.536 scan and 92.425 baseline hours in setup: sess212.L1024 Frequency sets (dups not shown): 1 2 3 4 5 6 7 10 11 13 * J1310+3220 13 08 07.560130 * 13 10 28.663849 13 11 05.107600 0.22 1308+326 32 36 40.23886 * 32 20 43.78293 32 16 50.38245 0.20 J1310+32 From catalog imbedded in main SCHED input file. GSFC 2010a astro solution 113439 Observations 0.126 scan and 9.858 baseline hours in setup: sess212.L1024 Frequency sets (dups not shown): 1 2 3 4 5 6 7 10 11 13 * J1522+3144 15 20 08.107590 * 15 22 09.991733 15 22 42.296715 0.02 1520+319 31 54 54.51271 * 31 44 14.38197 31 41 40.15204 0.02 J1522+31 From catalog imbedded in main SCHED input file. GSFC 2010a astro solution 2331 Observations 0.133 scan and 10.400 baseline hours in setup: sess212.L1024 Frequency sets (dups not shown): 1 2 3 4 5 6 7 10 11 13 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) 1257+12 106.0 J0927+3902 53.2 J1300+141A 105.3 J1310+3220 97.7 J1522+3144 117.7 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