COVER INFORMATION Station: WSTRBORK (Code Wb ) Experiment: 6.7GHz CH3OH maser polarization towards massive protostars. II. Exp. Code: ES072E 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 = G23.44-0.18 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 ---------------------------------------------------------------------------------------- --- Sat 1 Mar 2014 Day 60 --- Next scan frequencies: 6666.26 6666.26 6666.26 6666.26 Next BBC frequencies: 166.26 166.26 166.26 166.26 Next scan bandwidths: 2.00 2.00 2.00 2.00 04 44 10 G23.44-0.18 15 46 22 18.9 135.3 -2.8 0.0 0 0 04 44 10 04 54 10 --- 15 56 24 19.9 137.7 -2.7 0.0 600 2 04 44 14 04 54 40 G23.44-0.18 15 56 54 20.0 137.8 -2.6 0.0 19 2 04 54 40 05 04 40 --- 16 06 55 20.9 140.3 -2.5 0.0 600 5 04 54 44 05 05 10 G23.44-0.18 16 07 25 21.0 140.4 -2.5 0.0 19 5 05 05 10 05 15 10 --- 16 17 27 21.9 142.9 -2.3 0.0 600 7 05 05 14 05 15 40 G23.44-0.18 16 17 57 22.0 143.0 -2.3 0.0 19 7 05 15 40 05 25 40 --- 16 27 59 22.9 145.5 -2.1 0.0 600 10 05 15 44 05 30 00 J2202+4216 16 32 19 36.4 65.7 -5.5 0.0 76 10 05 30 00 05 40 00 =BLLAC 16 42 21 37.8 67.2 -5.3 0.0 600 12 05 30 04 05 50 00 J1331+3030 16 52 23 47.5 258.4 3.3 0.0 155 12 05 50 00 06 00 00 =3C286 17 02 24 46.0 260.7 3.5 0.0 600 15 05 50 04 06 06 00 G23.44-0.18 17 08 25 25.8 156.0 -1.5 0.0 97 15 06 06 00 06 16 00 --- 17 18 27 26.4 158.7 -1.3 0.0 600 17 06 06 04 06 16 30 G23.44-0.18 17 18 57 26.4 158.8 -1.3 0.0 19 17 06 16 30 06 26 30 --- 17 28 59 27.0 161.5 -1.1 0.0 600 19 06 16 34 06 31 00 J2202+4216 17 33 29 45.1 75.2 -4.5 0.0 86 19 06 31 00 06 41 00 =BLLAC 17 43 31 46.6 76.8 -4.3 0.0 600 22 06 31 04 06 46 00 G23.44-0.18 17 48 32 27.8 166.9 -0.8 0.0 111 22 06 46 00 06 56 00 --- 17 58 34 28.1 169.7 -0.6 0.0 600 24 06 46 04 06 56 30 G23.44-0.18 17 59 04 28.1 169.8 -0.6 0.0 19 24 06 56 30 07 06 30 --- 18 09 05 28.3 172.6 -0.4 0.0 600 27 06 56 34 07 07 00 G23.44-0.18 18 09 35 28.3 172.7 -0.4 0.0 19 27 07 07 00 07 17 00 --- 18 19 37 28.5 175.6 -0.3 0.0 600 29 07 07 04 07 17 30 G23.44-0.18 18 20 07 28.5 175.7 -0.3 0.0 19 29 07 17 30 07 25 30 --- 18 28 08 28.6 177.9 -0.1 0.0 480 31 07 17 34 07 30 30 J2202+4216 18 33 09 53.9 85.4 -3.5 0.0 116 31 07 30 30 07 40 30 =BLLAC 18 43 11 55.5 87.2 -3.3 0.0 600 33 07 30 34 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 ---------------------------------------------------------------------------------------- --- Sat 1 Mar 2014 Day 60 --- 07 45 30 G23.44-0.18 18 48 12 28.5 183.6 0.2 0.0 111 33 07 45 30 07 55 30 --- 18 58 13 28.4 186.4 0.4 0.0 600 36 07 45 34 07 56 00 G23.44-0.18 18 58 43 28.4 186.5 0.4 0.0 19 36 07 56 00 08 06 00 --- 19 08 45 28.2 189.4 0.6 0.0 600 38 07 56 04 08 06 30 G23.44-0.18 19 09 15 28.2 189.5 0.6 0.0 19 38 08 06 30 08 16 30 --- 19 19 17 27.9 192.3 0.7 0.0 600 41 08 06 34 08 17 00 G23.44-0.18 19 19 47 27.8 192.4 0.7 0.0 19 41 08 17 00 08 27 00 --- 19 29 48 27.5 195.2 0.9 0.0 600 43 08 17 04 08 32 10 J2202+4216 19 34 59 63.2 98.2 -2.5 0.0 126 43 08 32 10 08 42 10 =BLLAC 19 45 01 64.7 100.7 -2.3 0.0 600 45 08 32 14 08 47 30 G23.44-0.18 19 50 22 26.5 200.8 1.2 0.0 131 45 08 47 30 08 57 30 --- 20 00 23 26.0 203.5 1.4 0.0 600 48 08 47 34 08 58 00 G23.44-0.18 20 00 54 25.9 203.6 1.4 0.0 19 48 08 58 00 09 08 00 --- 20 10 55 25.3 206.3 1.6 0.0 600 50 08 58 04 09 08 30 G23.44-0.18 20 11 25 25.3 206.4 1.6 0.0 19 50 09 08 30 09 18 30 --- 20 21 27 24.6 209.0 1.8 0.0 600 53 09 08 34 09 19 00 G23.44-0.18 20 21 57 24.5 209.2 1.8 0.0 19 53 09 19 00 09 29 00 --- 20 31 59 23.8 211.7 1.9 0.0 600 55 09 19 04 09 34 20 J2202+4216 20 37 20 72.2 117.7 -1.4 0.0 136 55 09 34 20 09 44 20 =BLLAC 20 47 21 73.5 122.2 -1.3 0.0 600 58 09 34 24 09 47 20 J2136+0041 20 50 22 36.9 165.2 -0.8 0.0 28 58 09 47 20 09 57 20 =2134+00 21 00 23 37.3 168.4 -0.6 0.0 600 60 09 47 24 10 00 30 G23.44-0.18 21 03 34 21.0 219.6 2.5 0.0 23 60 10 00 30 10 10 30 --- 21 13 35 20.0 222.1 2.6 0.0 600 62 10 00 34 10 11 00 G23.44-0.18 21 14 06 19.9 222.2 2.6 0.0 19 62 10 11 00 10 20 00 --- 21 23 07 19.0 224.3 2.8 0.0 540 65 10 11 04 10 20 30 G23.44-0.18 21 23 37 19.0 224.5 2.8 0.0 19 65 10 20 30 10 29 30 --- 21 32 39 18.0 226.6 3.0 0.0 540 67 10 20 34 10 34 20 J2202+4216 21 37 29 78.6 155.2 -0.4 0.0 106 67 10 34 20 10 44 20 =BLLAC 21 47 31 79.1 164.4 -0.3 0.0 600 69 10 34 24 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 ---------------------------------------------------------------------------------------- --- Sat 1 Mar 2014 Day 60 --- 10 49 10 G23.44-0.18 21 52 22 15.7 231.1 3.3 0.0 101 69 10 49 10 10 58 00 --- 22 01 13 14.7 233.1 3.4 0.0 530 71 10 49 14 10 58 30 G23.44-0.18 22 01 43 14.6 233.2 3.4 0.0 19 71 10 58 30 11 06 30 --- 22 09 45 13.7 235.0 3.6 0.0 480 73 10 58 34 11 07 00 G23.44-0.18 22 10 15 13.6 235.1 3.6 0.0 19 73 11 07 00 11 15 00 --- 22 18 16 12.6 236.8 3.7 0.0 480 75 11 07 04 11 20 00 J2202+4216 22 23 17 78.9 199.6 0.3 0.0 116 75 11 20 00 11 30 00 =BLLAC 22 33 19 78.3 208.4 0.5 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= 6666.26 6666.26 6666.26 6666.26 BBC fr= 166.26 166.26 166.26 166.26 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) * G23.44-0.18 18 31 55.467465 * 18 34 39.187000 18 35 25.529247 0.00 -08 33 50.47877 *-08 31 25.40500 -08 30 39.43203 0.00 From catalog imbedded in main SCHED input file. Doppler based on LSR frame and radio definition. Velocities: 97.60 97.60 97.60 97.60 3.847 scan and 107.722 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 48.859022 0.20 3C286 30 45 58.64061 * 30 30 32.95925 30 25 57.04839 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 21.379245 0.74 2134+00 00 28 25.08000 * 00 41 54.21282 00 45 44.42681 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 17.605065 0.14 BLLAC 42 02 08.59073 * 42 16 39.97987 42 20 47.47119 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) G23.44-0.18 62.6 J1331+3030 135.5 J2136+0041 19.6 J2202+4216 51.0 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