COVER INFORMATION Station: VLBA_MK (Code Mk ) Experiment: Circular Polarization in SS433 Exp. Code: GP036 Schedule Version: 2.00 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 VLBA_MK (Code Mk ) 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: 1640.99 1640.99 1656.99 1656.99 Next BBC frequencies: 759.01 759.01 743.01 743.01 Next scan bandwidths: 16.00 16.00 16.00 16.00 12 58 40 NRAO512 12 48 53 36.9 54.6 -3.9 -94.2 0 1 1 0 12 58 10 13 03 40 --- 12 53 54 37.9 54.5 -3.8 -95.1 300 F 1 4400 13 05 40 J1832+1357 12 55 54 10.0 78.6 -5.6 -71.9 58 1 1 4400 13 05 10 13 10 40 =1830+139 13 00 55 11.1 79.0 -5.5 -72.1 300 F 1 8800 13 12 40 3C345 13 02 55 39.1 54.3 -3.7 -96.3 58 1 1 8800 13 12 10 13 23 10 --- 13 13 27 41.1 53.9 -3.5 -98.2 630 F 1 17600 13 26 10 OQ208 13 16 28 75.6 50.8 -0.8 -124.0 105 1 2 17600 13 25 40 13 31 10 --- 13 21 28 76.5 48.1 -0.8 -127.2 300 R 1 13200 13 34 10 J2002+4725 13 24 29 8.3 42.4 -6.6 -69.7 38 1 2 13200 13 33 40 13 39 10 =2000+472 13 29 30 9.1 42.7 -6.5 -70.6 300 R 1 8800 13 40 40 SS433 13 31 00 6.2 86.9 -5.7 -70.6 55 1 2 8800 13 40 10 13 51 10 --- 13 41 32 8.6 87.8 -5.5 -70.7 630 R 1 0 13 53 10 NRAO512 13 43 32 47.3 52.3 -3.0 -104.6 37 1 3 0 13 52 40 13 58 10 --- 13 48 33 48.2 51.9 -2.9 -105.6 300 F 1 4400 14 00 10 SS433 13 50 33 10.8 88.5 -5.4 -70.8 39 1 3 4400 13 59 40 14 10 40 --- 14 01 05 13.2 89.4 -5.2 -70.8 630 F 1 13200 14 11 40 J1832+1357 14 02 05 25.4 83.5 -4.5 -74.4 30 1 3 13200 14 11 10 14 16 40 =1830+139 14 07 06 26.5 83.9 -4.4 -74.6 300 F 1 17600 14 19 10 SS433 14 09 36 15.2 90.1 -5.0 -70.8 121 1 4 17600 14 18 40 14 40 40 --- 14 31 10 20.3 92.0 -4.7 -70.7 1290 R 1 0 14 42 40 OQ208 14 33 10 79.5 -33.2 0.4 144.1 -4 1 5 0 14 42 10 14 47 40 --- 14 38 11 78.8 -37.8 0.5 139.0 296 F 1 4400 14 49 40 J2002+4725 14 40 11 20.8 45.5 -5.4 -82.9 -2 1 5 4400 14 49 10 14 54 40 =2000+472 14 45 12 21.6 45.6 -5.3 -83.8 298 F 1 8800 14 56 10 NRAO512 14 46 42 58.5 44.5 -1.9 -120.9 10 1 5 8800 14 55 40 15 01 10 --- 14 51 43 59.3 43.5 -1.8 -122.6 300 F 1 13200 Schedule for VLBA_MK (Code Mk ) 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 --- 15 03 40 J1832+1357 14 54 14 37.6 87.3 -3.6 -75.6 101 1 5 13200 15 03 10 15 08 40 =1830+139 14 59 14 38.8 87.7 -3.6 -75.6 300 F 1 17600 15 10 40 3C345 15 01 15 60.4 42.0 -1.7 -125.0 71 1 6 17600 15 10 10 15 15 40 --- 15 06 15 61.2 40.8 -1.6 -126.8 300 R 1 13200 15 17 40 SS433 15 08 16 29.0 95.4 -4.1 -70.1 50 1 6 13200 15 17 10 15 33 40 --- 15 24 18 32.8 97.0 -3.8 -69.6 960 R 1 0 15 36 10 SS433 15 26 49 33.3 97.3 -3.8 -69.5 143 1 7 0 15 35 40 15 41 10 --- 15 31 50 34.5 97.8 -3.7 -69.3 300 F 1 4400 15 41 40 J1832+1357 15 32 20 46.5 90.4 -3.0 -75.8 0 1 7 4400 15 41 10 15 46 40 =1830+139 15 37 21 47.7 90.9 -2.9 -75.8 300 F 1 8800 15 47 10 NRAO512 15 37 51 65.9 30.6 -1.0 -141.4 -16 1 7 8800 15 46 40 15 52 10 --- 15 42 51 66.5 28.7 -1.0 -144.0 284 F 1 13200 15 54 40 J2002+4725 15 45 22 31.8 45.8 -4.3 -94.9 75 1 7 13200 15 54 10 15 59 40 =2000+472 15 50 23 32.6 45.7 -4.2 -95.8 300 F 1 17600 16 00 40 SS433 15 51 23 39.1 100.0 -3.3 -68.5 18 1 8 17600 16 00 10 16 22 10 --- 16 12 56 44.0 102.7 -3.0 -67.1 1290 R 1 0 16 37 10 OQ208 16 27 59 56.9 -68.0 2.3 97.2 780 1 9 0 16 36 40 16 42 10 --- 16 33 00 55.8 -68.3 2.4 96.4 300 F 1 4400 16 44 10 J2002+4725 16 35 00 40.0 44.0 -3.5 -105.1 39 1 9 4400 16 43 40 16 49 10 =2000+472 16 40 01 40.8 43.7 -3.4 -106.2 300 F 1 8800 16 50 10 NRAO512 16 41 01 70.0 -0.2 0.0 179.7 -4 1 9 8800 16 49 40 16 55 10 --- 16 46 02 70.0 -3.1 0.1 176.3 296 F 1 13200 16 56 10 J1832+1357 16 47 02 64.1 98.9 -1.8 -73.3 -14 1 9 13200 16 55 40 17 01 10 =1830+139 16 52 03 65.2 99.7 -1.7 -72.9 286 F 1 17600 17 02 10 3C345 16 53 03 69.9 -5.6 0.2 173.2 -16 1 10 17600 17 01 40 17 07 10 --- 16 58 04 69.7 -8.3 0.2 169.8 284 R 1 13200 17 08 10 SS433 16 59 04 54.4 110.2 -2.2 -62.4 -25 1 10 13200 17 07 40 17 24 10 --- 17 15 07 57.9 113.6 -1.9 -59.9 935 R 1 0 17 26 40 SS433 17 17 37 58.5 114.2 -1.9 -59.4 143 1 11 0 17 26 10 17 48 10 --- 17 39 11 63.0 120.2 -1.5 -54.7 1290 F 1 17600 Schedule for VLBA_MK (Code Mk ) Page 4 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 --- 17 50 10 J2002+4725 17 41 11 50.3 37.7 -2.4 -121.8 59 1 12 17600 17 49 40 18 00 40 =2000+472 17 51 43 51.8 36.1 -2.2 -124.9 630 R 1 8800 18 02 10 NRAO512 17 53 13 64.7 -34.0 1.2 136.7 37 1 12 8800 18 01 40 18 07 10 --- 17 58 14 64.0 -35.6 1.3 134.5 300 R 1 4400 18 07 40 J1832+1357 17 58 44 80.0 124.3 -0.6 -53.2 -83 1 12 4400 18 07 10 18 12 40 =1830+139 18 03 45 80.9 128.9 -0.5 -49.0 217 R 1 0 18 13 40 SS433 18 04 45 67.9 130.0 -1.1 -46.4 28 1 13 0 18 13 10 18 35 10 --- 18 26 18 71.5 141.6 -0.8 -35.9 1290 F 1 17600 18 37 10 SS433 18 28 19 71.8 142.9 -0.7 -34.7 113 1 14 17600 18 36 40 18 53 10 --- 18 44 21 73.7 154.7 -0.5 -23.8 960 R 1 4400 18 53 10 J1832+1357 18 44 21 83.5 205.7 0.2 24.8 -40 1 14 4400 18 53 10 18 58 40 =1830+139 18 49 52 82.9 215.5 0.3 34.3 290 R 1 0 ----------- Tape Change ------------ 18 59 40 3C345 18 50 52 56.1 313.2 2.1 116.7 -11 2 1 0 18 59 10 19 10 10 --- 19 01 24 54.3 311.7 2.3 113.8 619 F 1 8800 19 10 10 J2002+4725 19 01 24 59.7 380.6 -1.0 -150.7 -52 2 1 8800 19 10 10 19 15 10 =2000+472 19 06 25 60.1 379.1 -0.9 -152.9 248 F 1 12800 19 15 10 NRAO512 19 06 25 53.0 310.7 2.4 111.8 -52 2 1 12800 19 15 10 19 20 10 --- 19 11 26 52.1 310.1 2.5 110.6 248 F 1 16800 19 21 10 SS433 19 12 26 75.2 180.5 0.0 0.4 -32 2 2 17600 19 20 40 19 42 40 --- 19 33 59 74.2 200.6 0.4 19.4 1258 R 1 0 19 45 10 SS433 19 36 30 74.0 202.8 0.4 21.4 143 2 3 0 19 44 40 20 06 40 --- 19 58 03 71.4 218.6 0.8 36.1 1290 F 1 17600 20 07 40 J1832+1357 19 59 03 68.6 257.5 1.4 71.2 28 2 4 17600 20 07 10 20 18 10 =1830+139 20 09 35 66.2 259.6 1.6 72.5 630 R 1 8800 20 19 10 3C345 20 10 35 41.5 306.2 3.5 98.6 5 2 4 8800 20 18 40 20 29 40 --- 20 21 07 39.5 305.8 3.6 96.7 630 R 1 0 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 v20cm_2 in /aps3/sched/catalogs/freq.dat FD filtered above 1760. SC filtered above 1740. Setup group: 10 Station: VLBA Total bit rate: 256 Format: VLBA1:4 Bits per sample: 2 Sample rate: 32.000 Number of channels: 4 Passes/head pos: 1 Speedup factor: 1.00 Tape speeds: Low density - 266.660 ips, High density - 160.00 ips Time per pass for 17600 ft, High density tapes is: 00:22:00 1st LO= 2400.00 2400.00 2400.00 2400.00 Net SB= L L L L Pol. = RCP LCP RCP LCP BBC = 1 2 3 4 BBC SB= U U U U IF = A C A C VLBA FE= 20cm omit 20cm omit VLBA Synth= 15.4 2.4 15.4 The following frequency sets based on this setup were used. Frequency Set: 10 Setup file default. Used pcal sets: 1 LO sum= 1640.99 1640.99 1656.99 1656.99 BBC fr= 759.01 759.01 743.01 743.01 Bandwd= 16.000 16.000 16.000 16.000 The following pulse cal sets were used with this setup: Pulse cal detection set: 1 PCAL = 1MHZ PCALXB1= S1 S3 S1 S3 S1 S2 S3 S4 PCALXB2= S2 S4 S2 S4 M1 M2 M3 M4 PCALFR1= 990 990 13990 13990 0 0 0 0 PCALFR2= 990 990 13990 13990 0 0 0 0 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 57.078955 04 53 53.11612 * 04 58 56.94900 04 59 01.96981 From catalog imbedded in main SCHED input file. J1331+3030 13 28 49.657691 * 13 31 08.287984 13 31 17.298003 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 08.954003 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 J1640+3946 16 38 48.169686 * 16 40 29.632771 16 40 35.257945 1638+398 39 52 30.08673 * 39 46 46.02854 39 46 04.53065 J1640+39 /aps3/sched/catalogs/sources.vlba * NRAO512 ICRF - Ext.1 Source - 1998 IERS Annual Report J1642+3948 16 41 17.606214 * 16 42 58.809952 16 43 04.399778 1641+399 39 54 10.81489 * 39 48 36.99395 39 47 56.08187 * 3C345 /aps3/sched/catalogs/sources.vlba J1642+39 ICRF - Ext.1 Source - 1998 IERS Annual Report * J1832+1357 18 30 26.112214 * 18 32 43.471123 18 32 50.513388 1830+139 13 55 26.71680 * 13 57 44.40030 13 57 37.34572 /aps3/sched/catalogs/sources.vlba VLBA Calib. Survey - ICRF Frame - reduced by GSFC group - Aug 2001 * J2002+4725 20 00 39.216105 * 20 02 10.418290 20 02 13.826696 2000+472 47 17 02.42419 * 47 25 28.77340 47 25 41.85474 /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 50.4 3C286 132.2 OQ208 125.0 NRAO512 93.4 3C345 92.9 J1832+1357 62.4 J2002+4725 65.5 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