COVER INFORMATION Station: EFLSBERG (Code Ef ) Experiment: Circular Polarization in SS433 Exp. Code: GP036 Schedule Version: 1.00 Processed by SCHED version: Release of 02 July 2002 PI: Zsolt Paragi Address: JIVE Postbus 2 7990 AA Dwingeloo The Netherlands Phone: +31-521-596536 EMAIL: paragi@jive.nl Fax: +31-521-597332 Phone during observation: +31-521-596536 Observing mode: Continuum 18 cm; Recording mode: ???256-4-2 (VLBA/MKIV). Notes: Global VLBI observations at 18cm. Send logs and calibration information to Zsolt Paragi. Schedule for EFLSBERG (Code Ef ) Page 2 Circular Polarization in SS433 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. TPStart: Tape motion start time. Frequencies are LO sum (band edge). ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Sun 23 Feb 2003 Day 54 --- Next scan frequencies: 1650.99 1650.99 1666.99 1666.99 Next BBC frequencies: 140.99 140.99 156.99 156.99 Next scan bandwidths: 16.00 16.00 16.00 16.00 04 00 00 3C286 14 38 06 66.4 218.2 1.1 27.2 0 1 1 0 03 59 40 04 10 40 --- 14 48 48 65.3 223.2 1.3 30.3 640 F 1 8800 04 12 40 OQ208 14 50 48 66.4 204.6 0.7 17.5 49 1 1 8800 04 12 20 04 23 20 --- 15 01 30 65.6 210.1 0.9 21.2 640 F 1 17600 04 30 20 J1832+1357 15 08 31 35.0 112.8 -3.4 -37.2 113 1 2 17600 04 30 00 04 31 00 =1830+139 15 09 11 35.1 112.9 -3.4 -37.1 40 R 1 16800 04 31 00 SS433 15 09 11 22.2 110.3 -4.0 -36.8 -67 1 2 16800 04 31 00 04 36 00 --- 15 14 12 22.9 111.4 -4.0 -36.5 233 R 1 12800 04 36 00 J1832+1357 15 14 12 35.8 114.1 -3.3 -36.7 -67 1 2 12800 04 36 00 04 38 00 =1830+139 15 16 12 36.1 114.6 -3.3 -36.5 53 R 1 11200 04 38 00 SS433 15 16 12 23.2 111.8 -3.9 -36.3 -67 1 2 11200 04 38 00 04 43 00 --- 15 21 13 23.9 112.9 -3.8 -36.0 233 R 1 7200 04 43 00 J1832+1357 15 21 13 36.9 115.8 -3.2 -36.1 -67 1 2 7200 04 43 00 04 45 00 =1830+139 15 23 13 37.1 116.3 -3.2 -36.0 53 R 1 5600 04 45 00 SS433 15 23 13 24.2 113.4 -3.8 -35.9 -67 1 2 5600 04 45 00 04 50 00 --- 15 28 14 25.0 114.5 -3.7 -35.5 233 R 1 1600 04 50 00 J1832+1357 15 28 14 37.9 117.6 -3.1 -35.5 -67 1 2 1600 04 50 00 04 52 00 =1830+139 15 30 14 38.1 118.1 -3.0 -35.3 53 R 1 0 04 59 00 J1832+1357 15 37 16 39.1 119.9 -2.9 -34.6 400 1 3 0 04 58 40 04 59 40 =1830+139 15 37 56 39.2 120.0 -2.9 -34.5 40 F 1 800 04 59 40 SS433 15 37 56 26.3 116.7 -3.6 -34.8 -66 1 3 800 04 59 40 05 04 40 --- 15 42 57 27.1 117.8 -3.5 -34.4 234 F 1 4800 05 04 40 J1832+1357 15 42 57 39.9 121.3 -2.8 -34.0 -66 1 3 4800 05 04 40 05 06 40 =1830+139 15 44 57 40.2 121.9 -2.8 -33.8 54 F 1 6400 05 06 40 SS433 15 44 57 27.3 118.3 -3.5 -34.2 -66 1 3 6400 05 06 40 05 11 40 --- 15 49 58 28.0 119.4 -3.4 -33.8 234 F 1 10400 Schedule for EFLSBERG (Code Ef ) Page 3 Circular Polarization in SS433 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. TPStart: Tape motion start time. Frequencies are LO sum (band edge). ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Sun 23 Feb 2003 Day 54 --- 05 11 40 J1832+1357 15 49 58 40.8 123.2 -2.7 -33.2 -66 1 3 10400 05 11 40 05 13 40 =1830+139 15 51 58 41.1 123.7 -2.7 -33.0 54 F 1 12000 05 13 40 SS433 15 51 58 28.3 119.9 -3.3 -33.6 -66 1 3 12000 05 13 40 05 18 40 --- 15 56 59 29.0 121.1 -3.2 -33.1 234 F 1 16000 05 18 40 J1832+1357 15 56 59 41.8 125.1 -2.6 -32.4 -66 1 3 16000 05 18 40 05 20 40 =1830+139 15 58 59 42.0 125.7 -2.6 -32.2 54 F 1 17600 05 20 40 SS433 15 58 59 29.3 121.6 -3.2 -32.9 -66 1 4 17600 05 20 40 05 25 40 --- 16 04 00 29.9 122.8 -3.1 -32.4 234 R 1 13600 05 25 40 J1832+1357 16 04 00 42.7 127.1 -2.5 -31.5 -66 1 4 13600 05 25 40 05 27 40 =1830+139 16 06 00 42.9 127.6 -2.4 -31.3 54 R 1 12000 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: 256Mbps.set Matches group ef18cm in /aps3/sched/catalogs/freq.dat Prime focus receiver, standard LO Graham 26/1/00 Setup group: 1 Station: EFLSBERG Total bit rate: 256 Format: MKIV1:4 Bits per sample: 2 Sample rate: 32.000 Number of channels: 4 Passes/head pos: 1 Speedup factor: 1.00 Tape speeds: Low density - 270.000 ips, High density - 160.00 ips Time per pass for 17600 ft, High density tapes is: 00:22:00 1st LO= 1510.00 1510.00 1510.00 1510.00 Net SB= L L L L Pol. = RCP LCP RCP LCP BBC = 2 1 4 3 BBC SB= L L L L IF = 2N 1N 2N 1N The following frequency sets based on this setup were used. Frequency Set: 1 Setup file default. No pcal detection. LO sum= 1650.99 1650.99 1666.99 1666.99 BBC fr= 140.99 140.99 156.99 156.99 Bandwd= 16.000 16.000 16.000 16.000 Track assignments are: track1= 2, 18, 3, 19 barrel=roll_off SOURCE LIST -- Circular Polarization in SS433 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). Source Source position (RA/Dec) (B1950) (J2000) (Date) * SS433 19 09 21.270093 * 19 11 49.555000 19 11 57.078958 04 53 53.11612 * 04 58 56.94900 04 59 01.96980 From catalog imbedded in main SCHED input file. J1331+3030 13 28 49.657691 * 13 31 08.287984 13 31 17.298006 1328+307 30 45 58.64021 * 30 30 32.95885 30 29 24.39636 * 3C286 /aps3/sched/catalogs/sources.vlba J1331+30 VLBA Calib. Survey - ICRF Frame - reduced by GSFC group - Aug 2001 J1407+2827 14 04 45.615151 * 14 07 00.394410 14 07 08.954006 1404+286 28 41 29.23495 * 28 27 14.68998 28 26 09.16078 J1407+28 /aps3/sched/catalogs/sources.vlba * OQ208 ICRF - Ext.1 Source - 1998 IERS Annual Report * J1832+1357 18 30 26.112214 * 18 32 43.471123 18 32 50.513392 1830+139 13 55 26.71680 * 13 57 44.40030 13 57 37.34571 /aps3/sched/catalogs/sources.vlba VLBA Calib. Survey - ICRF Frame - reduced by GSFC group - Aug 2001 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) SS433 50.1 3C286 132.0 OQ208 124.7 J1832+1357 62.2 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