COVER INFORMATION Station: WSTRBORK (Code Wb ) Experiment: 6.7GHz CH3OH maser polarization towards massive protostars. II. Exp. Code: ES072M Schedule Version: 1.00 Processed by SCHED version: 11.00 Release of Feb. 15, 2013 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 1 sources at 6.7 GHz (32 Mb/s Notes: phase-cal OFF source = G30.76-0.05 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 ---------------------------------------------------------------------------------------- --- Fri 17 Oct 2014 Day 290 --- Next scan frequencies: 6665.24 6665.24 6665.24 6665.24 Next BBC frequencies: 165.24 165.24 165.24 165.24 Next scan bandwidths: 2.00 2.00 2.00 2.00 13 28 50 G30.76-0.05 15 39 16 22.4 127.4 -3.2 0.0 0 0 13 28 50 13 38 50 --- 15 49 17 23.6 129.8 -3.0 0.0 600 2 13 28 54 13 39 20 G30.76-0.05 15 49 48 23.7 129.9 -3.0 0.0 19 2 13 39 20 13 49 20 --- 15 59 49 24.8 132.4 -2.8 0.0 600 5 13 39 24 13 49 50 G30.76-0.05 16 00 19 24.9 132.5 -2.8 0.0 19 5 13 49 50 13 59 50 --- 16 10 21 26.0 135.0 -2.6 0.0 600 7 13 49 54 14 00 20 G30.76-0.05 16 10 51 26.0 135.1 -2.6 0.0 19 7 14 00 20 14 10 20 --- 16 20 53 27.1 137.6 -2.5 0.0 600 10 14 00 24 14 14 20 J2202+4216 16 24 53 35.4 64.5 -5.6 0.0 67 10 14 14 20 14 24 20 =BLLAC 16 34 55 36.8 66.0 -5.5 0.0 600 12 14 14 24 14 34 10 J1331+3030 16 44 47 48.6 256.7 3.2 0.0 145 12 14 34 10 14 44 00 =3C286 16 54 38 47.2 259.0 3.4 0.0 590 14 14 34 14 14 44 30 J1331+3030 16 55 08 47.1 259.1 3.4 0.0 19 14 14 44 30 14 54 30 =3C286 17 05 10 45.6 261.4 3.6 0.0 600 17 14 44 34 15 00 30 G30.76-0.05 17 11 11 31.5 151.2 -1.6 0.0 87 17 15 00 30 15 10 20 --- 17 21 02 32.2 153.9 -1.5 0.0 590 19 15 00 34 15 10 50 G30.76-0.05 17 21 33 32.2 154.1 -1.4 0.0 19 19 15 10 50 15 20 50 --- 17 31 34 32.8 157.0 -1.3 0.0 600 22 15 10 54 15 25 10 J2202+4216 17 35 55 45.4 75.6 -4.5 0.0 87 22 15 25 10 15 35 10 =BLLAC 17 45 57 46.9 77.2 -4.3 0.0 600 24 15 25 14 15 39 40 G30.76-0.05 17 50 27 33.8 162.5 -1.0 0.0 92 24 15 39 40 15 49 40 --- 18 00 29 34.2 165.5 -0.8 0.0 600 26 15 39 44 15 50 10 G30.76-0.05 18 00 59 34.3 165.6 -0.8 0.0 19 26 15 50 10 16 00 10 --- 18 11 01 34.6 168.6 -0.6 0.0 600 29 15 50 14 16 00 40 G30.76-0.05 18 11 31 34.6 168.8 -0.6 0.0 19 29 16 00 40 16 10 40 --- 18 21 32 34.9 171.8 -0.4 0.0 600 31 16 00 44 16 11 10 G30.76-0.05 18 22 02 34.9 172.0 -0.4 0.0 19 31 16 11 10 16 19 10 --- 18 30 04 35.0 174.4 -0.3 0.0 480 33 16 11 14 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 ---------------------------------------------------------------------------------------- --- Fri 17 Oct 2014 Day 290 --- 16 23 50 J2202+4216 18 34 45 54.2 85.6 -3.5 0.0 107 33 16 23 50 16 33 50 =BLLAC 18 44 46 55.7 87.5 -3.3 0.0 600 35 16 23 54 16 38 40 G30.76-0.05 18 49 37 35.1 180.4 0.0 0.0 112 35 16 38 40 16 48 40 --- 18 59 39 35.1 183.4 0.2 0.0 600 38 16 38 44 16 49 10 G30.76-0.05 19 00 09 35.1 183.6 0.2 0.0 19 38 16 49 10 16 59 10 --- 19 10 10 35.0 186.6 0.4 0.0 600 40 16 49 14 16 59 40 G30.76-0.05 19 10 40 35.0 186.8 0.4 0.0 19 40 16 59 40 17 09 40 --- 19 20 42 34.7 189.8 0.5 0.0 600 43 16 59 44 17 10 10 G30.76-0.05 19 21 12 34.7 190.0 0.5 0.0 19 43 17 10 10 17 20 10 --- 19 31 14 34.4 193.0 0.7 0.0 600 45 17 10 14 17 25 10 J2202+4216 19 36 15 63.4 98.5 -2.5 0.0 127 45 17 25 10 17 35 10 =BLLAC 19 46 16 64.9 101.0 -2.3 0.0 600 48 17 25 14 17 40 20 G30.76-0.05 19 51 27 33.6 199.0 1.1 0.0 132 48 17 40 20 17 50 20 --- 20 01 29 33.0 201.9 1.2 0.0 600 50 17 40 24 17 50 50 G30.76-0.05 20 01 59 33.0 202.1 1.2 0.0 19 50 17 50 50 18 00 50 --- 20 12 00 32.4 205.0 1.4 0.0 600 52 17 50 54 18 01 20 G30.76-0.05 20 12 31 32.4 205.1 1.4 0.0 19 52 18 01 20 18 11 20 --- 20 22 32 31.7 208.0 1.6 0.0 600 55 18 01 24 18 11 50 G30.76-0.05 20 23 02 31.7 208.1 1.6 0.0 19 55 18 11 50 18 21 50 --- 20 33 04 30.9 210.9 1.7 0.0 600 57 18 11 54 18 27 00 J2202+4216 20 38 15 72.3 118.1 -1.4 0.0 137 57 18 27 00 18 37 00 =BLLAC 20 48 16 73.6 122.6 -1.3 0.0 600 60 18 27 04 18 40 00 J2136+0041 20 51 17 37.0 165.5 -0.8 0.0 28 60 18 40 00 18 49 50 =2134+00 21 01 09 37.3 168.6 -0.6 0.0 590 62 18 40 04 18 52 50 G30.76-0.05 21 04 09 28.2 219.3 2.3 0.0 24 62 18 52 50 19 02 40 --- 21 14 01 27.3 221.8 2.4 0.0 590 64 18 52 54 19 03 10 G30.76-0.05 21 14 31 27.2 222.0 2.4 0.0 19 64 19 03 10 19 12 10 --- 21 23 32 26.3 224.3 2.6 0.0 540 66 19 03 14 19 12 40 G30.76-0.05 21 24 02 26.2 224.4 2.6 0.0 19 66 19 12 40 19 21 40 --- 21 33 04 25.3 226.7 2.7 0.0 540 69 19 12 44 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 ---------------------------------------------------------------------------------------- --- Fri 17 Oct 2014 Day 290 --- 19 26 30 J2202+4216 21 37 55 78.6 155.5 -0.4 0.0 117 69 19 26 30 19 35 10 =BLLAC 21 46 36 79.1 163.4 -0.3 0.0 520 71 19 26 34 19 40 00 G30.76-0.05 21 51 27 23.2 231.2 3.1 0.0 112 71 19 40 00 19 50 00 --- 22 01 28 22.0 233.5 3.2 0.0 600 73 19 40 04 19 50 30 G30.76-0.05 22 01 58 21.9 233.7 3.2 0.0 19 73 19 50 30 20 00 30 --- 22 12 00 20.7 236.0 3.4 0.0 600 75 19 50 34 20 05 00 J2202+4216 22 16 31 79.2 193.1 0.2 0.0 97 75 20 05 00 20 15 00 =BLLAC 22 26 33 78.8 202.5 0.4 0.0 600 78 20 05 04 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess314.M32 Matching groups in /aps3/sched11.0/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 IF 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: 7 Based on FREQ, BW, and/or DOPPLER in schedule. LO sum= 6665.24 6665.24 6665.24 6665.24 BBC fr= 165.24 165.24 165.24 165.24 Bandwd= 2.00 2.00 2.00 2.00 Matching frequency sets: 7 Track assignments are: track1= 2, 4, 6, 8 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * G30.76-0.05 18 45 03.674701 * 18 47 39.730000 18 48 25.841264 0.00 -02 00 43.37142 *-01 57 22.00000 -01 56 04.91662 0.00 From catalog imbedded in main SCHED input file. Doppler based on LSR frame and radio definition. Velocities: 92.00 92.00 92.00 92.00 * J1331+3030 13 28 49.657778 * 13 31 08.288070 13 31 47.738015 0.20 3C286 30 45 58.64061 * 30 30 32.95925 30 26 07.03464 0.19 1328+307 /aps3/sched11.0/catalogs/sources.vlba J1331+30 rfc_2012b Petrov, 2012, unpublished 542 observations Doppler based on other sources. * J2136+0041 21 34 05.207371 * 21 36 38.586306 21 37 24.813866 0.74 2134+00 00 28 25.08000 * 00 41 54.21282 00 46 08.91788 1.25 2134+004 /aps3/sched11.0/catalogs/sources.vlba J2136+00 GSFC 2011B astro solution 26937 Observations Doppler based on other sources. * J2202+4216 22 00 39.362504 * 22 02 43.291371 22 03 21.636287 0.14 BLLAC 42 02 08.59073 * 42 16 39.97987 42 21 20.62699 0.10 2200+420 /aps3/sched11.0/catalogs/sources.vlba J2202+42 rfc_2012b Petrov, 2012, unpublished 59418 observations VR422201 Doppler based on other sources. SOURCE SCAN SUMMARY FOR SOURCES LISTED ABOVE Scan hours are for recording scans only. Baseline hours are only counted for scans above horizon at both ends. Source Setup file Frequency sets Observing hours (duplicates not shown) Scan Baseline G30.76-0.05sess314.M32 1 2 3 4 5 6 7 3.761 78.983 J1331+3030 sess314.M32 1 2 3 4 5 6 7 0.331 6.942 J2136+0041 sess314.M32 1 2 3 4 5 6 7 0.164 3.442 J2202+4216 sess314.M32 1 2 3 4 5 6 7 1.311 26.533 EFFECT OF SOLAR CORONA 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) G30.76-0.05 79.5 J1331+3030 39.8 J2136+0041 121.6 J2202+4216 124.3 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