COVER INFORMATION Station: EFLSBERG (Code Ef ) Experiment: e-EVN ToO: second epoch J0948+0022; PI Marcello Giroletti Exp. Code: rg001b Schedule Version: 1.10 Processed by SCHED version: 8.10 Bug fixs and minor enhancements PI: Zsolt Paragi Address: JIVE Postbus 2 7990 AA Dwingeloo The Netherlands Phone: +31 (0)521 596 536 EMAIL: zparagi@jive.nl Fax: Phone during observation: +31 (0)521 596 500 Observing mode: Notes: ########################################################### ########## Please, make sure PHASE CAL is OFF. ############ ########################################################### Schedule for EFLSBERG (Code Ef ) Page 2 e-EVN ToO: second epoch J0948+0022; PI Marcello Giroletti UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Wed 10 Jun 2009 Day 161 --- ---------- ff ---------- Next scan frequencies: 22229.00 22229.00 22229.00 22229.00 22261.00 22261.00 22261.00 22261.00 Next BBC frequencies: 329.00 329.00 329.00 329.00 361.00 361.00 361.00 361.00 Next scan bandwidths: 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 05 59 20 0420-014 23 41 46 11.2 106.1 -4.7 -37.7 0 1 1 0 05 59 20 06 14 20 --- 23 56 49 13.5 109.2 -4.4 -36.9 900 F 1 58 05 59 24 ---------- ff ---------- 06 15 00 0420-014 23 57 29 13.6 109.3 -4.4 -36.9 26 1 1 58 06 15 00 06 29 20 --- 00 11 51 15.7 112.3 -4.2 -36.0 860 F 1 114 06 15 04 ---------- ff ---------- 06 30 00 0420-014 00 12 31 15.8 112.4 -4.2 -36.0 26 1 1 114 06 30 00 06 44 20 --- 00 26 54 17.9 115.5 -3.9 -35.0 860 F 1 169 06 30 04 ---------- ff ---------- 06 45 00 0420-014 00 27 34 18.0 115.6 -3.9 -35.0 26 1 1 169 06 45 00 06 59 20 --- 00 41 56 20.0 118.8 -3.7 -33.9 860 F 1 225 06 45 04 ---------- ff ---------- 07 00 00 0420-014 00 42 36 20.1 118.9 -3.7 -33.8 26 1 1 225 07 00 00 07 14 20 --- 00 56 59 22.1 122.1 -3.4 -32.6 860 F 1 280 07 00 04 ---------- ff ---------- 10 34 20 0736+017 04 17 31 25.2 121.5 -3.4 -32.9 11964 1 1 280 10 34 20 10 49 20 --- 04 32 34 27.2 125.0 -3.1 -31.4 900 F 1 338 10 34 24 ---------- ff ---------- 10 50 00 0736+017 04 33 14 27.2 125.2 -3.1 -31.3 25 1 1 338 10 50 00 11 04 20 --- 04 47 36 29.1 128.7 -2.9 -29.8 860 F 1 394 10 50 04 Schedule for EFLSBERG (Code Ef ) Page 3 e-EVN ToO: second epoch J0948+0022; PI Marcello Giroletti UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Wed 10 Jun 2009 Day 161 --- ---------- ff-ampcal ---------- 11 05 20 0805-077 04 48 37 17.4 127.3 -3.3 -30.7 -27 1 1 394 11 05 20 11 14 20 --- 04 57 38 18.5 129.3 -3.2 -29.8 513 F 1 428 11 05 24 11 15 20 J0948+0022 04 58 38 11.2 103.3 -4.8 -38.2 -32 1 1 428 11 15 20 11 24 20 =0946+006 05 07 40 12.5 105.1 -4.7 -37.9 508 F 1 463 11 15 24 11 25 00 J0948+0022 05 08 20 12.6 105.3 -4.7 -37.8 26 1 1 463 11 25 00 11 34 20 =0946+006 05 17 41 14.1 107.2 -4.5 -37.4 560 F 1 499 11 25 04 11 35 00 J0948+0022 05 18 21 14.2 107.3 -4.5 -37.4 26 1 1 499 11 35 00 11 44 20 =0946+006 05 27 43 15.6 109.2 -4.4 -36.9 560 F 1 535 11 35 04 11 45 00 J0948+0022 05 28 23 15.7 109.4 -4.4 -36.9 26 1 1 535 11 45 00 11 54 20 =0946+006 05 37 45 17.1 111.3 -4.2 -36.3 560 F 1 572 11 45 04 ---------- Ef pointing+flux measurement ---------- 11 54 20 J0948+0022 05 37 45 17.1 111.3 -4.2 -36.3 -9 1 1 572 No stop 12 04 20 =0946+006 05 47 46 18.6 113.5 -4.0 -35.7 591 F 1 610 11 54 24 12 05 00 J0948+0022 05 48 26 18.7 113.6 -4.0 -35.6 26 1 1 610 12 05 00 12 14 20 =0946+006 05 57 48 20.0 115.6 -3.9 -35.0 560 F 1 646 12 05 04 12 15 00 J0948+0022 05 58 28 20.1 115.8 -3.8 -34.9 26 1 1 646 12 15 00 12 24 20 =0946+006 06 07 50 21.4 117.8 -3.7 -34.2 560 F 1 683 12 15 04 12 25 00 J0948+0022 06 08 30 21.5 118.0 -3.7 -34.2 26 1 1 683 12 25 00 12 34 20 =0946+006 06 17 51 22.8 120.1 -3.5 -33.4 560 F 1 719 12 25 04 ---------- ff ---------- 12 35 20 1055+018 06 18 51 13.7 104.7 -4.7 -38.0 -12 1 1 719 12 35 20 12 44 20 --- 06 27 53 15.1 106.6 -4.5 -37.6 528 F 1 754 12 35 24 12 44 20 J0948+0022 06 27 53 24.2 122.4 -3.4 -32.5 -72 1 1 754 No stop 12 54 20 =0946+006 06 37 54 25.5 124.7 -3.2 -31.5 528 F 1 792 12 44 24 12 55 50 J0948+0022 06 39 25 25.7 125.1 -3.2 -31.4 73 1 1 792 12 55 50 13 04 20 =0946+006 06 47 56 26.8 127.1 -3.0 -30.5 510 F 1 825 12 55 54 13 05 00 J0948+0022 06 48 36 26.9 127.3 -3.0 -30.4 25 1 1 825 13 05 00 13 14 20 =0946+006 06 57 58 28.1 129.6 -2.9 -29.3 560 F 1 861 13 05 04 Schedule for EFLSBERG (Code Ef ) Page 4 e-EVN ToO: second epoch J0948+0022; PI Marcello Giroletti UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Wed 10 Jun 2009 Day 161 --- ---------- ff ---------- 13 15 50 1055+018 06 59 28 19.8 113.2 -4.0 -35.8 21 1 1 861 13 15 50 13 19 20 --- 07 02 59 20.3 113.9 -3.9 -35.5 210 F 1 875 13 15 54 13 20 50 J0948+0022 07 04 29 28.8 131.2 -2.7 -28.6 19 1 1 875 13 20 50 13 29 20 =0946+006 07 13 00 29.8 133.3 -2.6 -27.5 510 F 1 908 13 20 54 13 30 00 J0948+0022 07 13 40 29.9 133.5 -2.6 -27.5 25 1 1 908 13 30 00 13 39 20 =0946+006 07 23 02 31.0 135.9 -2.4 -26.2 560 F 1 944 13 30 04 ---------- ff ---------- 13 40 50 1055+018 07 24 32 23.4 118.7 -3.6 -33.9 19 1 1 944 13 40 50 13 44 20 --- 07 28 03 23.9 119.5 -3.5 -33.6 210 F 1 957 13 40 54 13 45 50 J0948+0022 07 29 33 31.7 137.7 -2.3 -25.4 17 1 1 957 13 45 50 13 54 20 =0946+006 07 38 04 32.6 139.9 -2.2 -24.2 510 F 1 990 13 45 54 13 55 00 J0948+0022 07 38 44 32.7 140.1 -2.2 -24.1 25 1 1 990 13 55 00 14 04 20 =0946+006 07 48 06 33.6 142.7 -2.0 -22.7 560 F 1 1026 13 55 04 ---------- ff ---------- 14 05 50 1055+018 07 49 36 26.8 124.5 -3.2 -31.6 17 1 1 1026 14 05 50 14 09 20 --- 07 53 07 27.3 125.4 -3.1 -31.2 210 F 1 1040 14 05 54 ---------- Ef pointing+flux measurement ---------- 14 09 20 1055+018 07 53 07 27.3 125.4 -3.1 -31.2 -9 1 1 1040 No stop 14 19 20 --- 08 03 08 28.5 127.8 -2.9 -30.2 591 F 1 1079 14 09 24 14 21 20 J0948+0022 08 05 09 35.1 147.5 -1.7 -20.0 43 1 1 1079 14 21 20 14 29 20 =0946+006 08 13 10 35.8 149.8 -1.6 -18.6 480 F 1 1110 14 21 24 14 30 00 J0948+0022 08 13 50 35.8 150.0 -1.6 -18.5 25 1 1 1110 14 30 00 14 39 20 =0946+006 08 23 12 36.6 152.8 -1.4 -16.9 560 F 1 1146 14 30 04 ---------- ff-ampcal ---------- 14 41 20 0805-077 08 25 12 31.5 184.8 0.3 3.1 13 1 1 1146 14 41 20 14 44 20 --- 08 28 13 31.4 185.7 0.3 3.6 180 F 1 1157 14 41 24 Schedule for EFLSBERG (Code Ef ) Page 5 e-EVN ToO: second epoch J0948+0022; PI Marcello Giroletti UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Wed 10 Jun 2009 Day 161 --- 14 46 20 J0948+0022 08 30 13 37.1 154.9 -1.3 -15.7 16 1 1 1157 14 46 20 14 54 20 =0946+006 08 38 14 37.6 157.3 -1.2 -14.2 480 F 1 1188 14 46 24 14 55 00 J0948+0022 08 38 54 37.6 157.5 -1.2 -14.1 25 1 1 1188 14 55 00 15 04 20 =0946+006 08 48 16 38.1 160.4 -1.0 -12.3 560 F 1 1224 14 55 04 ---------- ff ---------- 15 06 20 1055+018 08 50 16 33.9 140.1 -2.1 -24.1 41 1 1 1224 15 06 20 15 09 20 --- 08 53 17 34.2 140.9 -2.1 -23.6 180 F 1 1236 15 06 24 15 11 20 J0948+0022 08 55 17 38.5 162.6 -0.9 -11.0 38 1 1 1236 15 11 20 15 19 20 =0946+006 09 03 18 38.9 165.1 -0.8 -9.4 480 F 1 1267 15 11 24 15 20 00 J0948+0022 09 03 58 38.9 165.3 -0.8 -9.3 24 1 1 1267 15 20 00 15 29 20 =0946+006 09 13 20 39.2 168.3 -0.6 -7.4 560 F 1 1303 15 20 04 ---------- Ef pointing+flux measurement ---------- 15 31 20 0805-077 09 15 20 29.8 199.1 1.1 12.1 16 1 1 1303 15 31 20 15 41 20 --- 09 25 22 29.3 201.9 1.3 13.8 600 F 1 1342 15 31 24 15 43 20 J0948+0022 09 27 22 39.6 172.8 -0.4 -4.6 20 1 1 1342 15 43 20 15 51 20 =0946+006 09 35 24 39.7 175.4 -0.2 -2.9 480 F 1 1373 15 43 24 15 52 00 J0948+0022 09 36 04 39.7 175.6 -0.2 -2.8 24 1 1 1373 15 52 00 16 01 20 =0946+006 09 45 25 39.8 178.7 -0.1 -0.8 560 F 1 1409 15 52 04 ---------- ff ---------- 16 03 20 1055+018 09 47 25 38.7 156.8 -1.2 -14.5 38 1 1 1409 16 03 20 16 06 20 --- 09 50 26 38.9 157.8 -1.1 -13.9 180 F 1 1421 16 03 24 16 08 20 J0948+0022 09 52 26 39.8 181.0 0.0 0.6 34 1 1 1421 16 08 20 16 16 20 =0946+006 10 00 28 39.7 183.6 0.2 2.3 480 F 1 1452 16 08 24 16 17 00 J0948+0022 10 01 08 39.7 183.8 0.2 2.4 24 1 1 1452 16 17 00 16 26 20 =0946+006 10 10 29 39.6 186.8 0.4 4.3 560 F 1 1488 16 17 04 ---------- ff-ampcal ---------- 16 28 20 0805-077 10 12 30 25.7 214.4 2.1 21.3 19 1 1 1488 16 28 20 16 31 20 --- 10 15 30 25.5 215.2 2.1 21.7 180 F 1 1499 16 28 24 Schedule for EFLSBERG (Code Ef ) Page 6 e-EVN ToO: second epoch J0948+0022; PI Marcello Giroletti UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Wed 10 Jun 2009 Day 161 --- 16 33 20 J0948+0022 10 17 30 39.4 189.1 0.5 5.8 19 1 1 1499 16 33 20 16 41 20 =0946+006 10 25 32 39.2 191.7 0.6 7.4 480 F 1 1530 16 33 24 16 42 00 J0948+0022 10 26 12 39.2 191.9 0.6 7.5 24 1 1 1530 16 42 00 16 51 20 =0946+006 10 35 33 38.9 194.9 0.8 9.4 560 F 1 1566 16 42 04 ---------- ff ---------- 16 53 20 1055+018 10 37 34 40.8 172.9 -0.4 -4.5 37 1 1 1566 16 53 20 16 56 20 --- 10 40 34 40.8 173.9 -0.3 -3.9 180 F 1 1578 16 53 24 16 58 20 J0948+0022 10 42 35 38.5 197.1 0.9 10.8 35 1 1 1578 16 58 20 17 06 20 =0946+006 10 50 36 38.1 199.6 1.0 12.3 480 F 1 1609 16 58 24 17 07 00 J0948+0022 10 51 16 38.1 199.8 1.0 12.4 25 1 1 1609 17 07 00 17 17 00 =0946+006 11 01 18 37.5 202.9 1.2 14.3 600 F 1 1648 17 07 04 ---------- Ef pointing+flux measurement ---------- 17 17 40 J0948+0022 11 01 58 37.5 203.1 1.2 14.4 25 1 1 1648 17 17 40 17 27 00 =0946+006 11 11 19 36.9 205.9 1.4 16.1 560 F 1 1684 17 17 44 ---------- ff-ampcal ---------- 17 29 00 0805-077 11 13 20 19.3 229.2 3.1 29.1 -3 1 1 1684 17 29 00 17 32 00 --- 11 16 20 18.9 229.9 3.1 29.4 177 F 1 1695 17 29 04 17 34 00 J0948+0022 11 18 20 36.4 208.0 1.5 17.4 -2 1 1 1695 17 34 00 17 42 00 =0946+006 11 26 22 35.7 210.4 1.6 18.8 478 F 1 1726 17 34 04 17 42 40 J0948+0022 11 27 02 35.7 210.6 1.6 18.9 25 1 1 1726 17 42 40 17 52 00 =0946+006 11 36 23 34.9 213.3 1.8 20.4 560 F 1 1762 17 42 44 ---------- ff ---------- 17 54 00 1055+018 11 38 24 40.3 193.0 0.7 8.2 41 1 1 1762 17 54 00 17 57 00 --- 11 41 24 40.2 193.9 0.7 8.8 180 F 1 1774 17 54 04 Schedule for EFLSBERG (Code Ef ) Page 7 e-EVN ToO: second epoch J0948+0022; PI Marcello Giroletti UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Wed 10 Jun 2009 Day 161 --- ---------- Dummy scans ---------- Next scan frequencies: 22229.00 22229.00 22229.00 22229.00 Next BBC frequencies: 329.00 329.00 329.00 329.00 Next scan bandwidths: 16.00 16.00 16.00 16.00 17 58 00 1055+018 11 42 24 40.1 194.3 0.7 9.0 43 1 1 1774 17 58 00 17 59 00 --- 11 43 24 40.1 194.6 0.7 9.2 60 F 1 1776 17 58 28 ---------- Dummy scans ---------- Next scan frequencies: 22229.00 22229.00 Next BBC frequencies: 329.00 329.00 Next scan bandwidths: 16.00 16.00 18 00 00 1055+018 11 44 25 40.1 194.9 0.8 9.4 43 1 1 1776 18 00 00 18 01 00 --- 11 45 25 40.0 195.2 0.8 9.6 60 F 1 1777 18 00 28 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: 512Mbps Matches group ef1cm in ./freq.dat LO from Graham 03Jan97; must be using Low patch Setup group: 35 Station: EFLSBERG Total bit rate: 512 Format: MKIV1:2 Bits per sample: 2 Sample rate: 32.000 Number of channels: 8 Speedup factor: 0.50 Disk used to record data. 1st LO= 21900.00 21900.00 21900.00 21900.00 21900.00 21900.00 21900.00 21900.00 Net SB= L L U U L L U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP BBC = 2 1 2 1 4 3 4 3 BBC SB= L L U U L L U U IF = 2N 1N 2N 1N 2N 1N 2N 1N The following frequency sets based on this setup were used. Frequency Set: 5 Setup file default. LO sum= 22229.00 22229.00 22229.00 22229.00 22261.00 22261.00 22261.00 22261.00 BBC fr= 329.00 329.00 329.00 329.00 361.00 361.00 361.00 361.00 Bandwd= 16.000 16.000 16.000 16.000 16.000 16.000 16.000 16.000 Track assignments are: track1= 2, 10, 18, 26, 3, 11, 19, 27 barrel=roll_off Setup file: 256Mbps Matches group ef1cm in ./freq.dat LO from Graham 03Jan97; must be using Low patch Setup group: 20 Station: EFLSBERG Total bit rate: 256 Format: MKIV1:2 Bits per sample: 2 Sample rate: 32.000 Number of channels: 4 Speedup factor: 0.50 Disk used to record data. 1st LO= 21900.00 21900.00 21900.00 21900.00 Net SB= L L U U Pol. = RCP LCP RCP LCP BBC = 2 1 2 1 BBC SB= L L U U IF = 2N 1N 2N 1N The following frequency sets based on this setup were used. Frequency Set: 20 Setup file default. LO sum= 22229.00 22229.00 22229.00 22229.00 BBC fr= 329.00 329.00 329.00 329.00 Bandwd= 16.000 16.000 16.000 16.000 Track assignments are: track1= 2, 10, 18, 26 barrel=roll_off Setup file: 128Mbps Matches group ef1cm in ./freq.dat LO from Graham 03Jan97; must be using Low patch Setup group: 5 Station: EFLSBERG Total bit rate: 128 Format: MKIV1:2 Bits per sample: 2 Sample rate: 32.000 Number of channels: 2 Speedup factor: 0.50 Disk used to record data. 1st LO= 21900.00 21900.00 Net SB= L L Pol. = RCP LCP BBC = 2 1 BBC SB= L L IF = 2N 1N The following frequency sets based on this setup were used. Frequency Set: 35 Setup file default. LO sum= 22229.00 22229.00 BBC fr= 329.00 329.00 Bandwd= 16.000 16.000 Track assignments are: track1= 2, 10 barrel=roll_off SOURCE LIST -- e-EVN ToO: second epoch J0948+0022; PI Marcello Giroletti 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) J0423-0120 04 20 43.539851 * 04 23 15.800728 04 23 44.110507 0.20 * 0420-014 -01 27 28.70007 *-01 20 33.06537 -01 19 10.89699 0.30 J0423-01 /aps3/sched8.1/catalogs/sources.vlba VLBA Calib Survey - GSFC sols. - created L.Petrov 2008a_astro 3.117 scan hours, 109.282 baseline hours above horizon. J0739+0137 07 36 42.512339 * 07 39 18.033897 07 39 47.154485 0.30 * 0736+017 01 44 00.18089 * 01 37 04.61782 01 35 45.40831 0.21 J0739+01 /aps3/sched8.1/catalogs/sources.vlba VLBA Calib Survey - GSFC sols. - created L.Petrov 2008a_astro 0.489 scan hours, 32.085 baseline hours above horizon. J0808-0751 08 05 49.552837 * 08 08 15.536038 08 08 42.878271 0.21 * 0805-077 -07 42 22.40682 *-07 51 09.88640 -07 52 53.12241 0.32 J0808-07 /aps3/sched8.1/catalogs/sources.vlba VLBA Calib Survey - GSFC sols. - created L.Petrov 2008a_astro 0.700 scan hours, 28.491 baseline hours above horizon. * J0948+0022 09 46 23.258684 * 09 48 57.320118 09 49 26.735158 0.75 0946+006 00 36 25.20246 * 00 22 25.55966 00 19 42.59442 1.53 /aps3/sched8.1/catalogs/sources.vlba VLBA Calib Survey - GSFC sols. - created L.Petrov 2008a_astro 7.164 scan hours, 325.333 baseline hours above horizon. J1058+0133 10 55 55.313730 * 10 58 29.605208 10 58 59.468920 0.30 * 1055+018 01 50 03.53724 * 01 33 58.82374 01 30 51.12170 0.20 J1058+01 /aps3/sched8.1/catalogs/sources.vlba VLBA Calib Survey - GSFC sols. - created L.Petrov 2008a_astro 0.958 scan hours, 46.287 baseline hours above horizon. 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) 0420-014 27.4 0736+017 41.1 0805-077 52.5 J0948+0022 70.2 1055+018 85.7 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