COVER INFORMATION Station: JODRELL2 (Code Jb ) Experiment: 6.7GHz CH3OH maser polarization towards massive protostars. II. Exp. Code: ES072H Schedule Version: 1.00 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 1 sources at 6.7 GHz (32 Mb/s Notes: phase-cal OFF source = G28.31-0.39 Schedule for JODRELL2 (Code Jb ) 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 ---------------------------------------------------------------------------------------- --- Thu 12 Jun 2014 Day 163 --- Next scan frequencies: 6666.28 6666.28 6666.28 6666.28 Next BBC frequencies: 146.28 146.28 146.28 146.28 Next scan bandwidths: 2.00 2.00 2.00 2.00 21 30 00 J2202+4216 14 45 17 23.1 49.2 -7.3 -37.8 0 0 21 30 00 21 40 00 =BLLAC 14 55 19 24.2 50.8 -7.1 -38.9 600 2 21 30 04 21 43 50 G28.31-0.39 14 59 10 15.6 120.3 -3.8 -31.2 -1 2 21 43 50 21 53 50 --- 15 09 11 16.9 122.5 -3.6 -30.4 599 5 21 43 54 21 54 20 G28.31-0.39 15 09 41 17.0 122.6 -3.6 -30.4 26 5 21 54 20 22 04 20 --- 15 19 43 18.2 124.9 -3.4 -29.5 600 7 21 54 24 22 04 50 G28.31-0.39 15 20 13 18.3 125.0 -3.4 -29.4 26 7 22 04 50 22 14 50 --- 15 30 15 19.5 127.3 -3.2 -28.5 600 10 22 04 54 22 15 20 G28.31-0.39 15 30 45 19.6 127.4 -3.2 -28.5 26 10 22 15 20 22 25 20 --- 15 40 46 20.7 129.8 -3.1 -27.5 600 12 22 15 24 22 29 20 J2202+4216 15 44 47 30.3 58.5 -6.3 -43.7 3 12 22 29 20 22 39 20 =BLLAC 15 54 49 31.5 60.1 -6.1 -44.6 600 15 22 29 24 22 49 00 J1331+3030 16 04 30 54.2 245.8 2.5 39.3 0 15 22 49 00 22 59 00 =3C286 16 14 32 52.9 248.6 2.7 40.3 600 17 22 49 04 22 59 30 J1331+3030 16 15 02 52.8 248.7 2.7 40.3 25 17 22 59 30 23 09 30 =3C286 16 25 04 51.4 251.4 2.9 41.1 600 19 22 59 34 23 15 20 G28.31-0.39 16 30 55 26.0 142.2 -2.2 -21.6 0 19 23 15 20 23 25 20 --- 16 40 56 26.8 144.8 -2.1 -20.2 600 22 23 15 24 23 25 50 G28.31-0.39 16 41 26 26.9 144.9 -2.1 -20.2 25 22 23 25 50 23 35 50 --- 16 51 28 27.7 147.6 -1.9 -18.8 600 24 23 25 54 23 40 10 J2202+4216 16 55 49 39.8 69.5 -5.1 -49.3 3 24 23 40 10 23 50 10 =BLLAC 17 05 50 41.2 71.1 -5.0 -50.0 600 27 23 40 14 --- Start: Thu 12 Jun 2014 Day 163 -- Stop: Fri 13 Jun 2014 Day 164 --- 23 54 40 G28.31-0.39 17 10 21 29.1 152.7 -1.6 -16.0 2 27 23 54 40 00 04 40 --- 17 20 23 29.8 155.5 -1.4 -14.4 600 29 23 54 44 00 05 10 G28.31-0.39 17 20 53 29.8 155.6 -1.4 -14.4 25 29 00 05 10 00 15 10 --- 17 30 55 30.4 158.4 -1.2 -12.8 600 31 00 05 14 Schedule for JODRELL2 (Code Jb ) 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 13 Jun 2014 Day 164 --- 00 15 40 G28.31-0.39 17 31 25 30.4 158.5 -1.2 -12.7 25 31 00 15 40 00 25 40 --- 17 41 26 30.9 161.4 -1.1 -11.0 600 34 00 15 44 00 26 10 G28.31-0.39 17 41 56 31.0 161.5 -1.1 -11.0 25 34 00 26 10 00 34 10 --- 17 49 58 31.3 163.8 -0.9 -9.6 480 36 00 26 14 00 38 50 J2202+4216 17 54 38 48.3 79.0 -4.1 -52.7 3 36 00 38 50 00 48 50 =BLLAC 18 04 40 49.7 80.7 -4.0 -53.1 600 38 00 38 54 00 53 40 G28.31-0.39 18 09 31 32.0 169.5 -0.6 -6.3 1 38 00 53 40 01 03 40 --- 18 19 32 32.2 172.4 -0.4 -4.5 600 41 00 53 44 01 04 10 G28.31-0.39 18 20 03 32.2 172.6 -0.4 -4.4 25 41 01 04 10 01 14 10 --- 18 30 04 32.4 175.5 -0.3 -2.7 600 43 01 04 14 01 14 40 G28.31-0.39 18 30 34 32.4 175.7 -0.2 -2.6 25 43 01 14 40 01 24 40 --- 18 40 36 32.5 178.7 -0.1 -0.8 600 45 01 14 44 01 25 10 G28.31-0.39 18 41 06 32.5 178.8 -0.1 -0.7 25 45 01 25 10 01 35 10 --- 18 51 08 32.5 181.8 0.1 1.1 600 48 01 25 14 01 40 10 J2202+4216 18 56 08 57.4 90.2 -3.1 -54.1 3 48 01 40 10 01 50 10 =BLLAC 19 06 10 58.9 92.3 -3.0 -54.0 600 50 01 40 14 01 55 20 G28.31-0.39 19 11 21 32.2 187.7 0.4 4.6 1 50 01 55 20 02 05 20 --- 19 21 23 32.0 190.7 0.6 6.4 600 53 01 55 24 02 05 50 G28.31-0.39 19 21 53 32.0 190.8 0.6 6.5 25 53 02 05 50 02 15 50 --- 19 31 54 31.7 193.7 0.8 8.2 600 55 02 05 54 02 16 20 G28.31-0.39 19 32 24 31.6 193.9 0.8 8.3 25 55 02 16 20 02 26 20 --- 19 42 26 31.2 196.8 1.0 10.0 600 58 02 16 24 02 26 50 G28.31-0.39 19 42 56 31.2 196.9 1.0 10.1 25 58 02 26 50 02 36 50 --- 19 52 58 30.7 199.8 1.1 11.7 600 60 02 26 54 02 42 00 J2202+4216 19 58 09 66.6 105.0 -2.1 -51.5 3 60 02 42 00 02 52 00 =BLLAC 20 08 10 68.0 108.0 -1.9 -50.4 600 62 02 42 04 02 54 50 J2136+0041 20 11 01 34.6 153.5 -1.4 -15.5 11 62 02 54 50 03 04 50 =2134+00 20 21 02 35.2 156.4 -1.3 -13.9 600 65 02 54 54 03 07 40 G28.31-0.39 20 23 53 28.9 208.4 1.6 16.6 -9 65 03 07 40 03 17 40 --- 20 33 54 28.1 211.1 1.8 18.1 591 67 03 07 44 Schedule for JODRELL2 (Code Jb ) 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 13 Jun 2014 Day 164 --- 03 18 10 G28.31-0.39 20 34 25 28.1 211.2 1.8 18.1 25 67 03 18 10 03 27 10 --- 20 43 26 27.3 213.6 2.0 19.4 540 69 03 18 14 03 27 40 G28.31-0.39 20 43 56 27.3 213.8 2.0 19.5 25 69 03 27 40 03 36 40 --- 20 52 58 26.5 216.1 2.1 20.7 540 72 03 27 44 03 41 30 J2202+4216 20 57 48 74.6 128.3 -1.1 -39.4 4 72 03 41 30 03 50 10 =BLLAC 21 06 30 75.6 133.3 -0.9 -36.1 520 74 03 41 34 03 55 00 G28.31-0.39 21 11 21 24.8 220.9 2.4 23.1 4 74 03 55 00 04 05 00 --- 21 21 22 23.8 223.4 2.6 24.3 600 76 03 55 04 04 05 30 G28.31-0.39 21 21 52 23.8 223.5 2.6 24.4 26 76 04 05 30 04 15 30 --- 21 31 54 22.7 226.0 2.8 25.6 600 79 04 05 34 04 20 00 J2202+4216 21 36 25 78.2 154.9 -0.4 -20.1 32 79 04 20 00 04 30 00 =BLLAC 21 46 26 78.8 163.8 -0.3 -13.1 600 81 04 20 04 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess214.M32 Matching groups in /aps3/sched10.2/catalogs/freq.dat: j2b5cm Values confirmed by E-mail P.Burgess (JFD 26Oct98) Setup group: 2 Station: JODRELL2 Total bit rate: 32 Format: MKIV1:1 Bits per sample: 2 Sample rate: 4.000 Number of channels: 4 DBE type: Speedup factor: 2.00 Disk used to record data. 1st LO= 6520.00 6520.00 6520.00 6520.00 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: 2 Based on FREQ, BW, and/or DOPPLER in schedule. LO sum= 6666.28 6666.28 6666.28 6666.28 BBC fr= 146.28 146.28 146.28 146.28 Bandwd= 2.00 2.00 2.00 2.00 Matching frequency sets: 2 Track assignments are: track1= 2, 6, 10, 14 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) * G28.31-0.39 18 41 43.283845 * 18 44 22.030000 18 45 09.588575 0.00 -04 20 45.44034 *-04 17 38.30000 -04 16 33.44860 0.00 From catalog imbedded in main SCHED input file. Doppler based on LSR frame and radio definition. Velocities: 81.78 81.78 81.78 81.78 3.767 scan and 79.082 baseline hours in setup: sess214.M32 Frequency sets (dups not shown): 1 2 3 4 5 6 7 * J1331+3030 13 28 49.657778 * 13 31 08.288070 13 31 49.165372 0.20 3C286 30 45 58.64061 * 30 30 32.95925 30 26 14.79872 0.19 1328+307 /aps3/sched10.2/catalogs/sources.vlba J1331+30 rfc_2012b Petrov, 2012, unpublished 542 observations Doppler based on other sources. 0.333 scan and 7.000 baseline hours in setup: sess214.M32 Frequency sets (dups not shown): 1 2 3 4 5 6 7 * J2136+0041 21 34 05.207371 * 21 36 38.586306 21 37 23.936466 0.74 2134+00 00 28 25.08000 * 00 41 54.21282 00 45 55.33196 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 3.484 baseline hours in setup: sess214.M32 Frequency sets (dups not shown): 1 2 3 4 5 6 7 * J2202+4216 22 00 39.362504 * 22 02 43.291371 22 03 20.622345 0.14 BLLAC 42 02 08.59073 * 42 16 39.97987 42 20 45.96867 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. 1.311 scan and 26.533 baseline hours in setup: sess214.M32 Frequency sets (dups not shown): 1 2 3 4 5 6 7 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) G28.31-0.39 152.9 J1331+3030 102.5 J2136+0041 114.3 J2202+4216 88.4 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