COVER INFORMATION Station: WSTRBORK (Code Wb ) Experiment: 6.7GHz CH3OH maser polarization towards massive protostars. II. Exp. Code: ES072F Schedule Version: 2.00 Processed by SCHED version: 10.20 Release of about July 12, 2012 PI: G. Surcis Address: Joint Institute for VLBI in Europe Postbus 2 7990 AA Dwingeloo The Netherlands Phone: +31 (0)521-596508 EMAIL: surcis@jive.nl Fax: +31 (0)521-596539 Phone during observation: +31 (0)521-596508 Observing mode: Polarization observations of 3 sources at 6.7 GHz (32 Mb/s Notes: phase-cal OFF source = G25.83-0.18 Schedule for WSTRBORK (Code Wb ) Page 2 6.7GHz CH3OH maser polarization towards massive protostars. II. 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 2 Mar 2014 Day 61 --- Next scan frequencies: 6666.40 6666.40 6666.40 6666.40 Next BBC frequencies: 166.40 166.40 166.40 166.40 Next scan bandwidths: 2.00 2.00 2.00 2.00 04 44 10 G25.83-0.18 15 50 18 20.7 134.3 -2.8 0.0 0 0 04 44 10 04 54 10 --- 16 00 20 21.8 136.7 -2.7 0.0 600 2 04 44 14 04 54 40 G25.83-0.18 16 00 50 21.8 136.8 -2.6 0.0 19 2 04 54 40 05 04 40 --- 16 10 52 22.8 139.3 -2.5 0.0 600 5 04 54 44 05 05 10 G25.83-0.18 16 11 22 22.9 139.4 -2.5 0.0 19 5 05 05 10 05 15 10 --- 16 21 24 23.9 141.9 -2.3 0.0 600 7 05 05 14 05 15 40 G25.83-0.18 16 21 54 23.9 142.0 -2.3 0.0 19 7 05 15 40 05 25 40 --- 16 31 55 24.8 144.6 -2.1 0.0 600 10 05 15 44 05 29 50 J2202+4216 16 36 06 36.9 66.2 -5.5 0.0 70 10 05 29 50 05 39 50 =BLLAC 16 46 08 38.3 67.8 -5.3 0.0 600 12 05 29 54 05 49 40 J1331+3030 16 55 59 47.0 259.3 3.4 0.0 145 12 05 49 40 05 59 40 =3C286 17 06 01 45.5 261.5 3.6 0.0 600 15 05 49 44 06 05 30 G25.83-0.18 17 11 52 27.8 155.1 -1.5 0.0 84 15 06 05 30 06 15 30 --- 17 21 53 28.4 157.9 -1.3 0.0 600 17 06 05 34 06 16 00 G25.83-0.18 17 22 24 28.5 158.0 -1.3 0.0 19 17 06 16 00 06 26 00 --- 17 32 25 29.0 160.8 -1.1 0.0 600 19 06 16 04 06 30 30 J2202+4216 17 36 56 45.6 75.8 -4.4 0.0 90 19 06 30 30 06 40 30 =BLLAC 17 46 58 47.1 77.4 -4.3 0.0 600 22 06 30 34 06 44 40 G25.83-0.18 17 51 08 29.8 166.0 -0.8 0.0 65 22 06 44 40 06 54 40 --- 18 01 10 30.1 168.9 -0.6 0.0 600 24 06 44 44 06 55 10 G25.83-0.18 18 01 40 30.1 169.0 -0.6 0.0 19 24 06 55 10 07 05 10 --- 18 11 42 30.4 171.9 -0.5 0.0 600 27 06 55 14 07 05 40 G25.83-0.18 18 12 12 30.4 172.0 -0.5 0.0 19 27 07 05 40 07 15 40 --- 18 22 13 30.6 174.9 -0.3 0.0 600 29 07 05 44 07 16 10 G25.83-0.18 18 22 43 30.6 175.1 -0.3 0.0 19 29 07 16 10 07 24 10 --- 18 30 45 30.7 177.4 -0.2 0.0 480 31 07 16 14 07 28 55 J2202+4216 18 35 30 54.3 85.8 -3.5 0.0 105 31 07 28 55 07 38 55 =BLLAC 18 45 32 55.8 87.7 -3.3 0.0 600 33 07 28 59 Schedule for WSTRBORK (Code Wb ) Page 3 6.7GHz CH3OH maser polarization towards massive protostars. II. 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 2 Mar 2014 Day 61 --- 07 43 55 G25.83-0.18 18 50 33 30.7 183.1 0.2 0.0 115 33 07 43 55 07 53 55 --- 19 00 35 30.5 186.0 0.3 0.0 600 36 07 43 59 07 54 25 G25.83-0.18 19 01 05 30.5 186.1 0.4 0.0 19 36 07 54 25 08 04 25 --- 19 11 06 30.3 189.0 0.5 0.0 600 38 07 54 29 08 04 55 G25.83-0.18 19 11 36 30.3 189.2 0.5 0.0 19 38 08 04 55 08 14 55 --- 19 21 38 30.0 192.0 0.7 0.0 600 41 08 04 59 08 15 25 G25.83-0.18 19 22 08 30.0 192.2 0.7 0.0 19 41 08 15 25 08 25 25 --- 19 32 10 29.7 195.0 0.9 0.0 600 43 08 15 29 08 30 35 J2202+4216 19 37 21 63.6 98.8 -2.4 0.0 130 43 08 30 35 08 40 35 =BLLAC 19 47 22 65.1 101.3 -2.3 0.0 600 45 08 30 39 08 45 55 G25.83-0.18 19 52 43 28.7 200.8 1.2 0.0 135 45 08 45 55 08 55 55 --- 20 02 45 28.1 203.5 1.4 0.0 600 48 08 45 59 08 56 25 G25.83-0.18 20 03 15 28.1 203.6 1.4 0.0 19 48 08 56 25 09 06 25 --- 20 13 17 27.5 206.4 1.6 0.0 600 50 08 56 29 09 06 55 G25.83-0.18 20 13 47 27.4 206.5 1.6 0.0 19 50 09 06 55 09 16 55 --- 20 23 48 26.7 209.2 1.7 0.0 600 53 09 06 59 09 17 25 G25.83-0.18 20 24 18 26.7 209.3 1.7 0.0 19 53 09 17 25 09 27 25 --- 20 34 20 25.9 212.0 1.9 0.0 600 55 09 17 29 09 32 35 J2202+4216 20 39 31 72.5 118.7 -1.4 0.0 130 55 09 32 35 09 42 35 =BLLAC 20 49 32 73.8 123.2 -1.2 0.0 600 58 09 32 39 09 45 35 J2136+0041 20 52 33 37.0 165.9 -0.7 0.0 28 58 09 45 35 09 55 35 =2134+00 21 02 35 37.3 169.0 -0.6 0.0 600 60 09 45 39 09 58 35 G25.83-0.18 21 05 35 23.2 219.9 2.4 0.0 17 60 09 58 35 10 08 35 --- 21 15 37 22.2 222.4 2.6 0.0 600 62 09 58 39 10 09 05 G25.83-0.18 21 16 07 22.1 222.5 2.6 0.0 19 62 10 09 05 10 18 05 --- 21 25 08 21.2 224.7 2.8 0.0 540 65 10 09 09 10 18 35 G25.83-0.18 21 25 38 21.1 224.9 2.8 0.0 19 65 10 18 35 10 27 35 --- 21 34 40 20.1 227.0 2.9 0.0 540 67 10 18 39 10 32 25 J2202+4216 21 39 31 78.7 157.0 -0.4 0.0 110 67 10 32 25 10 42 25 =BLLAC 21 49 32 79.2 166.3 -0.2 0.0 600 69 10 32 29 Schedule for WSTRBORK (Code Wb ) Page 4 6.7GHz CH3OH maser polarization towards massive protostars. II. 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 2 Mar 2014 Day 61 --- 10 47 15 G25.83-0.18 21 54 23 17.9 231.6 3.2 0.0 105 69 10 47 15 10 56 05 --- 22 03 15 16.8 233.6 3.4 0.0 530 71 10 47 19 10 56 35 G25.83-0.18 22 03 45 16.8 233.7 3.4 0.0 19 71 10 56 35 11 05 35 --- 22 12 46 15.7 235.8 3.5 0.0 540 74 10 56 39 11 06 05 G25.83-0.18 22 13 16 15.6 235.9 3.6 0.0 19 74 11 06 05 11 15 05 --- 22 22 18 14.5 237.9 3.7 0.0 540 76 11 06 09 11 20 00 J2202+4216 22 27 13 78.7 203.1 0.4 0.0 115 76 11 20 00 11 30 00 =BLLAC 22 37 15 78.0 211.7 0.6 0.0 600 78 11 20 04 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess114.M32 Matching groups in /aps3/sched10.2/catalogs/freq.dat: wb5a Best estimates for now Setup group: 1 Station: WSTRBORK Total bit rate: 32 Format: MARK5B Bits per sample: 2 Sample rate: 4.000 Number of channels: 4 DBE type: Speedup factor: 1.00 Disk used to record data. 1st LO= 6500.00 6500.00 6500.00 6500.00 Net SB= U U U U Pol. = RCP LCP RCP LCP BBC = 2 1 4 3 BBC SB= U U U U IF = 2N 1N 2N 1N The following frequency sets based on these setups were used. Frequency Set: 8 Based on FREQ, BW, and/or DOPPLER in schedule. LO sum= 6666.40 6666.40 6666.40 6666.40 BBC fr= 166.40 166.40 166.40 166.40 Bandwd= 2.00 2.00 2.00 2.00 Matching frequency sets: 8 Track assignments are: track1= 2, 4, 6, 8 barrel=roll_off SOURCES USED IN RECORDING SCANS -- 6.7GHz CH3OH maser polarization towards massive protostars. II. 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) * G25.83-0.18 18 36 22.419070 * 18 39 03.630000 18 39 49.256663 0.00 -06 26 55.40644 *-06 24 11.20000 -06 23 20.50834 0.00 From catalog imbedded in main SCHED input file. Doppler based on LSR frame and radio definition. Velocities: 91.30 91.30 91.30 91.30 3.881 scan and 108.605 baseline hours in setup: sess114.M32 Frequency sets (dups not shown): 1 2 3 4 5 6 7 8 * J1331+3030 13 28 49.657778 * 13 31 08.288070 13 31 48.878095 0.20 3C286 30 45 58.64061 * 30 30 32.95925 30 25 57.13531 0.19 1328+307 /aps3/sched10.2/catalogs/sources.vlba J1331+30 rfc_2012b Petrov, 2012, unpublished 542 observations Doppler based on other sources. 0.167 scan and 4.667 baseline hours in setup: sess114.M32 Frequency sets (dups not shown): 1 2 3 4 5 6 7 8 * J2136+0041 21 34 05.207371 * 21 36 38.586306 21 37 21.386989 0.74 2134+00 00 28 25.08000 * 00 41 54.21282 00 45 44.36257 1.25 2134+004 /aps3/sched10.2/catalogs/sources.vlba J2136+00 GSFC 2011A astro solution 26937 Observations Doppler based on other sources. 0.167 scan and 4.667 baseline hours in setup: sess114.M32 Frequency sets (dups not shown): 1 2 3 4 5 6 7 8 * J2202+4216 22 00 39.362504 * 22 02 43.291371 22 03 17.610575 0.14 BLLAC 42 02 08.59073 * 42 16 39.97987 42 20 47.19084 0.10 2200+420 /aps3/sched10.2/catalogs/sources.vlba J2202+42 rfc_2012b Petrov, 2012, unpublished 59418 observations VR422201 Doppler based on other sources. 1.333 scan and 36.167 baseline hours in setup: sess114.M32 Frequency sets (dups not shown): 1 2 3 4 5 6 7 8 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) G25.83-0.18 62.6 J1331+3030 136.1 J2136+0041 20.3 J2202+4216 50.8 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