COVER INFORMATION Station: SHANGHAI (Code Sh ) Experiment: e-EVN run ET018C: Simultaneous radio/X-ray observations of the XRB Cyg X Exp. Code: et018c Schedule Version: 1.00 Processed by SCHED version: 9.40 Release Jan. 13, 2011. PI: V. Tudose Address: ASTRON Oude Hoogeveensedijk 4 7991 PD Dwingeloo The Netherlands Phone: +31 521 595 285 EMAIL: tudose@astron.nl Fax: Phone during observation: Observing mode: Notes: ########################################################### ########## Please, make sure PHASE CAL is OFF. ############ ########################################################### Schedule for SHANGHAI (Code Sh ) Page 2 e-EVN run ET018C: Simultaneous radio/X-ray observations of the XRB Cyg X 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 ---------------------------------------------------------------------------------------- --- Sun 23 Oct 2011 Day 296 --- Next scan frequencies: 4942.49 4942.49 4942.49 4942.49 4974.49 4974.49 4974.49 4974.49 5006.49 5006.49 5006.49 5006.49 5038.49 5038.49 5038.49 5038.49 Next BBC frequencies: 742.49 742.49 742.49 742.49 774.49 774.49 774.49 774.49 806.49 806.49 806.49 806.49 838.49 838.49 838.49 838.49 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 09 00 00 3C345 19 10 32 59.0 -63.4 2.5 94.7 0 0 08 59 55 09 14 20 --- 19 24 55 56.3 -63.7 2.7 92.1 860 112 08 59 56 09 15 00 3C345 19 25 35 56.1 -63.7 2.7 92.0 38 112 09 14 55 09 29 20 --- 19 39 57 53.4 -63.8 2.9 89.7 860 223 09 14 56 09 30 00 3C345 19 40 37 53.3 -63.8 3.0 89.5 38 223 09 29 55 09 44 20 --- 19 54 59 50.5 -63.7 3.2 87.3 860 335 09 29 56 09 45 00 3C345 19 55 40 50.4 -63.7 3.2 87.2 38 335 09 44 55 09 59 20 --- 20 10 02 47.6 -63.4 3.4 85.2 860 446 09 44 56 10 00 00 3C345 20 10 42 47.5 -63.4 3.5 85.1 38 446 09 59 55 10 14 20 --- 20 25 04 44.7 -63.0 3.7 83.1 860 558 09 59 56 10 15 00 3C345 20 25 45 44.6 -62.9 3.7 83.0 38 558 10 14 55 10 29 20 --- 20 40 07 41.9 -62.4 3.9 81.0 860 670 10 14 56 10 30 00 3C345 20 40 47 41.8 -62.4 4.0 80.9 38 670 10 29 55 10 44 20 --- 20 55 09 39.0 -61.8 4.2 79.0 860 781 10 29 56 10 45 00 3C345 20 55 49 38.9 -61.7 4.2 79.0 38 781 10 44 55 10 59 20 --- 21 10 12 36.2 -61.0 4.4 77.1 860 893 10 44 56 11 00 00 3C345 21 10 52 36.1 -61.0 4.5 77.0 38 893 10 59 55 11 14 20 --- 21 25 14 33.4 -60.2 4.7 75.2 860 1004 10 59 56 11 15 00 3C345 21 25 54 33.3 -60.1 4.7 75.1 38 1004 11 14 55 11 29 20 --- 21 40 17 30.6 -59.2 4.9 73.3 860 1116 11 14 56 11 30 00 3C345 21 40 57 30.5 -59.2 5.0 73.2 38 1116 11 29 55 11 44 20 --- 21 55 19 27.9 -58.2 5.2 71.3 860 1228 11 29 56 Schedule for SHANGHAI (Code Sh ) Page 3 e-EVN run ET018C: Simultaneous radio/X-ray observations of the XRB Cyg X 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 ---------------------------------------------------------------------------------------- --- Sun 23 Oct 2011 Day 296 --- 11 45 00 3C345 21 55 59 27.8 -58.2 5.2 71.3 38 1228 11 44 55 11 59 20 --- 22 10 22 25.2 -57.1 5.4 69.4 860 1339 11 44 56 12 16 20 J1953+3537 22 27 24 57.8 -71.3 2.6 87.0 956 1339 12 16 15 12 19 20 =1951+355 22 30 25 57.2 -71.3 2.6 86.6 180 1363 12 16 16 12 19 20 CYGX-1 22 30 25 58.2 -72.2 2.5 86.5 -6 1363 No stop 12 24 50 --- 22 35 56 57.1 -72.0 2.6 85.8 324 1406 12 19 21 12 24 50 J1953+3537 22 35 56 56.1 -71.1 2.7 85.9 -6 1406 No stop 12 27 50 =1951+355 22 38 56 55.5 -71.1 2.7 85.5 174 1429 12 24 51 12 27 50 CYGX-1 22 38 56 56.5 -72.0 2.7 85.5 -6 1429 No stop 12 33 20 --- 22 44 27 55.3 -71.8 2.8 84.8 324 1472 12 27 51 12 34 10 J1953+3537 22 45 17 54.2 -70.9 2.9 84.8 44 1472 12 34 05 12 36 40 =1951+355 22 47 48 53.7 -70.8 2.9 84.5 150 1492 12 34 06 12 36 40 CYGX-1 22 47 48 54.7 -71.7 2.8 84.4 -6 1492 No stop 12 42 10 --- 22 53 19 53.5 -71.5 2.9 83.8 324 1534 12 36 41 12 42 10 J1953+3537 22 53 19 52.6 -70.6 3.0 83.8 -6 1534 No stop 12 45 10 =1951+355 22 56 19 52.0 -70.5 3.0 83.5 174 1557 12 42 11 12 45 10 CYGX-1 22 56 19 52.9 -71.4 3.0 83.5 -6 1557 No stop 12 50 40 --- 23 01 50 51.8 -71.2 3.1 82.8 324 1600 12 45 11 12 51 30 J1953+3537 23 02 40 50.7 -70.2 3.1 82.7 44 1600 12 51 25 12 54 00 =1951+355 23 05 11 50.2 -70.1 3.2 82.4 150 1620 12 51 26 12 54 00 CYGX-1 23 05 11 51.1 -71.0 3.1 82.5 -6 1620 No stop 12 59 30 --- 23 10 42 50.0 -70.8 3.2 81.9 324 1662 12 54 01 12 59 30 J1953+3537 23 10 42 49.1 -69.9 3.3 81.8 -6 1662 No stop 13 02 30 =1951+355 23 13 42 48.5 -69.8 3.3 81.5 174 1686 12 59 31 13 02 30 CYGX-1 23 13 42 49.4 -70.6 3.2 81.5 -6 1686 No stop 13 08 00 --- 23 19 13 48.3 -70.4 3.3 80.9 324 1728 13 02 31 13 08 50 J1953+3537 23 20 03 47.2 -69.5 3.4 80.8 44 1728 13 08 45 13 11 20 =1951+355 23 22 33 46.7 -69.3 3.5 80.5 150 1748 13 08 46 13 11 20 CYGX-1 23 22 33 47.6 -70.2 3.4 80.6 -6 1748 No stop 13 16 50 --- 23 28 04 46.5 -69.9 3.5 80.0 324 1791 13 11 21 Schedule for SHANGHAI (Code Sh ) Page 4 e-EVN run ET018C: Simultaneous radio/X-ray observations of the XRB Cyg X 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 ---------------------------------------------------------------------------------------- --- Sun 23 Oct 2011 Day 296 --- 13 16 50 J1953+3537 23 28 04 45.6 -69.1 3.6 79.9 -6 1791 No stop 13 19 50 =1951+355 23 31 05 45.0 -68.9 3.6 79.6 174 1814 13 16 51 13 19 50 CYGX-1 23 31 05 45.9 -69.8 3.5 79.7 -6 1814 No stop 13 25 20 --- 23 36 36 44.8 -69.5 3.6 79.1 324 1857 13 19 51 13 26 10 J1953+3537 23 37 26 43.8 -68.6 3.7 78.9 44 1857 13 26 05 13 28 40 =1951+355 23 39 56 43.3 -68.4 3.8 78.6 150 1877 13 26 06 13 30 10 J2002+4725 23 41 27 45.6 -52.1 3.6 91.2 70 1877 13 30 05 13 34 10 =2000+472 23 45 27 45.0 -52.1 3.7 90.5 240 1908 13 30 06 13 35 10 J1953+3537 23 46 27 42.0 -68.1 3.9 77.9 40 1908 13 35 05 13 38 40 =1951+355 23 49 58 41.3 -67.9 3.9 77.5 210 1936 13 35 06 13 38 40 CYGX-1 23 49 58 42.1 -68.7 3.9 77.7 -6 1936 No stop 13 44 10 --- 23 55 29 41.0 -68.4 3.9 77.1 324 1979 13 38 41 13 44 10 J1953+3537 23 55 29 40.2 -67.5 4.0 76.9 -6 1979 No stop 13 47 10 =1951+355 23 58 29 39.6 -67.4 4.1 76.6 174 2002 13 44 11 13 47 10 CYGX-1 23 58 29 40.4 -68.2 4.0 76.8 -5 2002 No stop 13 52 40 --- 00 04 00 39.3 -67.9 4.1 76.2 325 2044 13 47 11 13 53 30 J1953+3537 00 04 50 38.3 -67.0 4.2 75.9 44 2044 13 53 25 13 56 00 =1951+355 00 07 21 37.8 -66.8 4.2 75.7 150 2064 13 53 26 13 56 00 CYGX-1 00 07 21 38.7 -67.6 4.1 75.8 -5 2064 No stop 14 01 30 --- 00 12 52 37.6 -67.3 4.2 75.3 325 2107 13 56 01 14 01 30 J1953+3537 00 12 52 36.7 -66.5 4.3 75.1 -5 2107 No stop 14 04 30 =1951+355 00 15 52 36.2 -66.3 4.4 74.8 175 2130 14 01 31 14 04 30 CYGX-1 00 15 52 37.0 -67.1 4.3 75.0 -5 2130 No stop 14 10 00 --- 00 21 23 35.9 -66.7 4.4 74.4 325 2173 14 04 31 14 10 50 J1953+3537 00 22 13 34.9 -65.8 4.5 74.1 45 2173 14 10 45 14 13 20 =1951+355 00 24 44 34.4 -65.7 4.5 73.8 150 2193 14 10 46 14 13 20 CYGX-1 00 24 44 35.3 -66.5 4.4 74.0 -5 2193 No stop 14 18 50 --- 00 30 15 34.2 -66.1 4.5 73.5 325 2235 14 13 21 14 18 50 J1953+3537 00 30 15 33.3 -65.3 4.6 73.2 -5 2235 No stop 14 21 50 =1951+355 00 33 15 32.8 -65.1 4.7 72.9 175 2259 14 18 51 Schedule for SHANGHAI (Code Sh ) Page 5 e-EVN run ET018C: Simultaneous radio/X-ray observations of the XRB Cyg X 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 ---------------------------------------------------------------------------------------- --- Sun 23 Oct 2011 Day 296 --- 14 21 50 CYGX-1 00 33 15 33.6 -65.9 4.6 73.1 -5 2259 No stop 14 27 20 --- 00 38 46 32.5 -65.5 4.7 72.6 325 2301 14 21 51 14 28 10 J1953+3537 00 39 36 31.5 -64.6 4.8 72.2 45 2301 14 28 05 14 30 40 =1951+355 00 42 07 31.0 -64.4 4.8 71.9 150 2321 14 28 06 14 30 40 CYGX-1 00 42 07 31.9 -65.3 4.7 72.2 -5 2321 No stop 14 36 10 --- 00 47 37 30.8 -64.8 4.8 71.6 325 2364 14 30 41 14 36 10 J1953+3537 00 47 37 30.0 -64.0 4.9 71.3 -5 2364 No stop 14 39 10 =1951+355 00 50 38 29.4 -63.8 4.9 71.0 175 2387 14 36 11 14 39 10 CYGX-1 00 50 38 30.2 -64.6 4.9 71.3 -5 2387 No stop 14 44 40 --- 00 56 09 29.1 -64.2 5.0 70.7 325 2430 14 39 11 14 45 30 J1953+3537 00 56 59 28.2 -63.3 5.1 70.3 45 2430 14 45 25 14 48 00 =1951+355 00 59 29 27.7 -63.1 5.1 70.1 150 2450 14 45 26 14 49 30 J2002+4725 01 01 00 32.3 -50.4 5.0 77.6 73 2450 14 49 25 14 53 30 =2000+472 01 05 00 31.6 -50.3 5.0 76.9 240 2481 14 49 26 14 54 30 J1953+3537 01 06 00 26.5 -62.6 5.2 69.3 44 2481 14 54 25 14 58 00 =1951+355 01 09 31 25.8 -62.3 5.3 68.9 210 2509 14 54 26 14 58 00 CYGX-1 01 09 31 26.6 -63.1 5.2 69.3 -5 2509 No stop 15 03 30 --- 01 15 02 25.5 -62.7 5.3 68.7 325 2551 14 58 01 15 03 30 J1953+3537 01 15 02 24.8 -61.9 5.4 68.3 -5 2551 No stop 15 06 30 =1951+355 01 18 02 24.2 -61.6 5.4 68.0 175 2575 15 03 31 15 06 30 CYGX-1 01 18 02 24.9 -62.4 5.3 68.4 -5 2575 No stop 15 12 00 --- 01 23 33 23.9 -62.0 5.4 67.8 325 2617 15 06 31 15 12 50 J1953+3537 01 24 23 23.0 -61.1 5.5 67.3 45 2617 15 12 45 15 15 20 =1951+355 01 26 54 22.5 -60.9 5.5 67.0 150 2637 15 12 46 15 15 20 CYGX-1 01 26 54 23.3 -61.7 5.5 67.4 -5 2637 No stop 15 20 50 --- 01 32 25 22.2 -61.2 5.6 66.8 325 2680 15 15 21 15 20 50 J1953+3537 01 32 25 21.5 -60.4 5.6 66.4 -5 2680 No stop 15 23 50 =1951+355 01 35 25 20.9 -60.1 5.7 66.0 175 2703 15 20 51 15 23 50 CYGX-1 01 35 25 21.7 -61.0 5.6 66.4 -5 2703 No stop 15 29 20 --- 01 40 56 20.6 -60.5 5.7 65.8 325 2746 15 23 51 Schedule for SHANGHAI (Code Sh ) Page 6 e-EVN run ET018C: Simultaneous radio/X-ray observations of the XRB Cyg X 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 ---------------------------------------------------------------------------------------- --- Sun 23 Oct 2011 Day 296 --- 15 30 10 J1953+3537 01 41 46 19.8 -59.5 5.8 65.3 45 2746 15 30 05 15 32 40 =1951+355 01 44 17 19.3 -59.3 5.8 65.0 150 2766 15 30 06 15 32 40 CYGX-1 01 44 17 20.0 -60.2 5.8 65.4 -5 2766 No stop 15 38 10 --- 01 49 48 19.0 -59.7 5.8 64.8 325 2808 15 32 41 15 38 10 J1953+3537 01 49 48 18.3 -58.8 5.9 64.4 -5 2808 No stop 15 41 10 =1951+355 01 52 48 17.7 -58.5 6.0 64.0 175 2831 15 38 11 15 41 10 CYGX-1 01 52 48 18.4 -59.4 5.9 64.5 -5 2831 No stop 15 46 40 --- 01 58 19 17.4 -58.9 6.0 63.8 325 2874 15 41 11 15 47 30 J1953+3537 01 59 09 16.6 -57.9 6.1 63.3 45 2874 15 47 25 15 50 00 =1951+355 02 01 40 16.1 -57.7 6.1 63.0 150 2894 15 47 26 15 50 00 CYGX-1 02 01 40 16.8 -58.6 6.0 63.4 -5 2894 No stop 15 55 30 --- 02 07 10 15.8 -58.0 6.1 62.8 325 2937 15 50 01 15 55 30 J1953+3537 02 07 10 15.1 -57.2 6.2 62.3 -5 2937 No stop 15 58 30 =1951+355 02 10 11 14.6 -56.9 6.3 62.0 175 2960 15 55 31 15 58 30 CYGX-1 02 10 11 15.3 -57.7 6.2 62.4 -5 2960 No stop 16 04 00 --- 02 15 42 14.3 -57.2 6.3 61.8 325 3002 15 58 31 16 04 50 J1953+3537 02 16 32 13.5 -56.2 6.4 61.2 45 3002 16 04 45 16 07 20 =1951+355 02 19 02 13.0 -56.0 6.4 60.9 150 3022 16 04 46 16 08 50 J2002+4725 02 20 33 19.6 -45.7 6.3 65.0 75 3022 16 08 45 16 12 50 =2000+472 02 24 33 19.0 -45.4 6.4 64.3 240 3054 16 08 46 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: 1024Mbps Matching groups in /aps3/sched9.4/catalogs/freq.dat: sh6cm Update freq. range AnTao 22Mar08 Setup group: 7 Station: SHANGHAI Total bit rate: 1024 Format: MKIV1:2 Bits per sample: 2 Sample rate: 32.000 Number of channels: 16 DBE type: Speedup factor: 0.50 Disk used to record data. 1st LO= 4200.00 4200.00 4200.00 4200.00 4200.00 4200.00 4200.00 4200.00 4200.00 4200.00 4200.00 4200.00 4200.00 4200.00 4200.00 4200.00 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= L L U U L L U U L L U U L L U U IF = C A C A C A C A C A C A C A C A The following frequency sets based on this setup were used. Frequency Set: 8 Setup file default. Used pcal sets: 1 LO sum= 4942.49 4942.49 4942.49 4942.49 4974.49 4974.49 4974.49 4974.49 5006.49 5006.49 5006.49 5006.49 5038.49 5038.49 5038.49 5038.49 BBC fr= 742.49 742.49 742.49 742.49 774.49 774.49 774.49 774.49 806.49 806.49 806.49 806.49 838.49 838.49 838.49 838.49 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 The following pulse cal sets were used with this setup: Pulse cal detection set: 1 PCAL = OFF PCALXB1= S1 S2 S3 S4 S5 S6 S7 S8 PCALXB2= M1 M2 M3 M4 M5 M6 M7 M8 PCALFR1= 0 0 0 0 0 0 0 0 PCALFR2= 0 0 0 0 0 0 0 0 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 -- e-EVN run ET018C: Simultaneous radio/X-ray observations of the XRB Cyg X 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) * CYGX-1 19 56 28.855925 * 19 58 21.672000 19 58 48.959129 0.00 35 03 54.47819 * 35 12 05.71070 35 14 24.18687 0.00 From catalog imbedded in main SCHED input file. 5.683 scan and 126.658 baseline hours in setup: 1024Mbps J0521+1638 05 18 16.514082 * 05 21 09.885964 05 21 52.833658 0.06 0518+165 16 35 26.83419 * 16 38 22.05166 16 39 03.67898 0.06 * 3C138 /aps3/sched9.4/catalogs/sources.vlba J0521+16 GSFC 2010a astro solution 352 Observations 0.217 scan and 0.000 baseline hours in setup: 1024Mbps J0542+4951 05 38 43.517520 * 05 42 36.137897 05 43 33.755221 0.04 0538+498 49 49 42.83710 * 49 51 07.23373 49 51 16.22696 0.03 * 3C147 /aps3/sched9.4/catalogs/sources.vlba J0542+49 GSFC 2010a astro solution 1444 Observations 0.217 scan and 0.000 baseline hours in setup: 1024Mbps J0555+3948 05 52 01.407170 * 05 55 30.805612 05 56 22.496066 0.01 0552+398 39 48 21.94583 * 39 48 49.16498 39 48 46.93200 0.01 * DA193 /aps3/sched9.4/catalogs/sources.vlba J0555+39 GSFC 2010a astro solution 355917 Observations 0.167 scan and 3.290 baseline hours in setup: 1024Mbps J1407+2827 14 04 45.615156 * 14 07 00.394414 14 07 31.522020 0.24 1404+286 28 41 29.23518 * 28 27 14.69021 28 23 55.27541 0.35 J1407+28 /aps3/sched9.4/catalogs/sources.vlba * OQ208 GSFC 2010a astro solution 66201 Observations 0.083 scan and 1.701 baseline hours in setup: 1024Mbps J1642+3948 16 41 17.606228 * 16 42 58.809965 16 43 21.985624 0.81 * 3C345 39 54 10.81494 * 39 48 36.99400 39 47 31.73134 0.54 1641+399 /aps3/sched9.4/catalogs/sources.vlba J1642+39 GSFC 2010a astro solution 52595 Observations 2.867 scan and 80.267 baseline hours in setup: 1024Mbps * J1953+3537 19 51 39.207555 * 19 53 30.875719 19 53 57.849332 0.14 1951+355 35 30 06.66636 * 35 37 59.35930 35 40 13.43250 0.17 J1953+35 /aps3/sched9.4/catalogs/sources.vlba GSFC 2010a astro solution 300 Observations 3.317 scan and 64.174 baseline hours in setup: 1024Mbps * J2002+4725 20 00 39.216072 * 20 02 10.418257 20 02 32.495106 0.01 2000+472 47 17 02.42457 * 47 25 28.77378 47 27 52.79699 0.01 J2002+47 /aps3/sched9.4/catalogs/sources.vlba GSFC 2010a astro solution 8760 Observations 0.467 scan and 10.291 baseline hours in setup: 1024Mbps J2202+4216 22 00 39.362504 * 22 02 43.291371 22 03 14.262816 0.01 * BLLAC 42 02 08.59078 * 42 16 39.97992 42 20 29.38005 0.01 2200+420 /aps3/sched9.4/catalogs/sources.vlba J2202+42 GSFC 2010a astro solution 51107 Observations VR422201 0.083 scan and 1.750 baseline hours in setup: 1024Mbps 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) CYGX-1 98.1 3C138 128.8 3C147 119.1 DA193 119.3 OQ208 40.0 3C345 64.9 J1953+3537 97.2 J2002+4725 100.3 BLLAC 121.9 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