COVER INFORMATION Station: JODRELL2 (Code Jb ) 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 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 ---------------------------------------------------------------------------------------- --- Sat 1 Mar 2014 Day 60 --- Next scan frequencies: 6666.26 6666.26 6666.26 6666.26 Next BBC frequencies: 146.26 146.26 146.26 146.26 Next scan bandwidths: 2.00 2.00 2.00 2.00 04 30 00 J2202+4216 14 56 25 24.4 51.0 -7.1 -39.0 0 0 04 30 00 04 40 00 =BLLAC 15 06 26 25.5 52.6 -6.9 -40.0 600 2 04 30 04 04 44 10 G23.44-0.18 15 10 37 14.6 127.2 -3.4 -28.8 3 2 04 44 10 04 54 10 --- 15 20 39 15.8 129.5 -3.2 -27.9 600 5 04 44 14 04 54 40 G23.44-0.18 15 21 09 15.9 129.6 -3.2 -27.8 26 5 04 54 40 05 04 40 --- 15 31 10 17.0 131.9 -3.1 -26.8 600 7 04 54 44 05 05 10 G23.44-0.18 15 31 40 17.0 132.0 -3.1 -26.7 26 7 05 05 10 05 15 10 --- 15 41 42 18.1 134.3 -2.9 -25.7 600 10 05 05 14 05 15 40 G23.44-0.18 15 42 12 18.2 134.4 -2.9 -25.6 26 10 05 15 40 05 25 40 --- 15 52 14 19.2 136.8 -2.7 -24.5 600 12 05 15 44 05 30 00 J2202+4216 15 56 34 31.8 60.3 -6.1 -44.7 8 12 05 30 00 05 40 00 =BLLAC 16 06 36 33.1 61.9 -5.9 -45.6 600 15 05 30 04 05 50 00 J1331+3030 16 16 38 52.6 249.1 2.7 40.4 16 15 05 50 00 06 00 00 =3C286 16 26 39 51.2 251.8 2.9 41.3 600 17 05 50 04 06 06 00 G23.44-0.18 16 32 40 23.0 146.8 -2.0 -19.4 22 17 06 06 00 06 16 00 --- 16 42 42 23.8 149.3 -1.9 -18.0 600 19 06 06 04 06 16 30 G23.44-0.18 16 43 12 23.8 149.4 -1.9 -17.9 26 19 06 16 30 06 26 30 --- 16 53 14 24.6 152.0 -1.7 -16.5 600 22 06 16 34 06 31 00 J2202+4216 16 57 44 40.1 69.8 -5.1 -49.5 1 22 06 31 00 06 41 00 =BLLAC 17 07 46 41.5 71.4 -4.9 -50.1 600 24 06 31 04 06 46 00 G23.44-0.18 17 12 47 25.8 157.2 -1.4 -13.6 20 24 06 46 00 06 56 00 --- 17 22 49 26.4 159.9 -1.2 -12.0 600 27 06 46 04 06 56 30 G23.44-0.18 17 23 19 26.4 160.0 -1.2 -11.9 25 27 06 56 30 07 06 30 --- 17 33 20 26.9 162.7 -1.0 -10.3 600 29 06 56 34 07 07 00 G23.44-0.18 17 33 50 26.9 162.9 -1.0 -10.3 25 29 07 07 00 07 17 00 --- 17 43 52 27.3 165.6 -0.9 -8.6 600 31 07 07 04 07 17 30 G23.44-0.18 17 44 22 27.3 165.8 -0.9 -8.6 25 31 07 17 30 07 25 30 --- 17 52 23 27.6 168.0 -0.7 -7.2 480 33 07 17 34 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 ---------------------------------------------------------------------------------------- --- Sat 1 Mar 2014 Day 60 --- 07 30 30 J2202+4216 17 57 24 48.7 79.5 -4.1 -52.8 12 33 07 30 30 07 40 30 =BLLAC 18 07 26 50.1 81.2 -3.9 -53.2 600 36 07 30 34 07 45 30 G23.44-0.18 18 12 27 28.1 173.6 -0.4 -3.9 0 36 07 45 30 07 55 30 --- 18 22 28 28.2 176.4 -0.2 -2.2 600 38 07 45 34 07 56 00 G23.44-0.18 18 22 58 28.2 176.5 -0.2 -2.1 25 38 07 56 00 08 06 00 --- 18 33 00 28.3 179.3 -0.0 -0.4 600 41 07 56 04 08 06 30 G23.44-0.18 18 33 30 28.3 179.5 -0.0 -0.3 25 41 08 06 30 08 16 30 --- 18 43 32 28.2 182.3 0.1 1.4 600 43 08 06 34 08 17 00 G23.44-0.18 18 44 02 28.2 182.4 0.1 1.5 25 43 08 17 00 08 27 00 --- 18 54 04 28.1 185.2 0.3 3.2 600 45 08 17 04 08 32 10 J2202+4216 18 59 14 57.9 90.9 -3.1 -54.1 4 45 08 32 10 08 42 10 =BLLAC 19 09 16 59.4 93.0 -2.9 -54.0 600 48 08 32 14 08 47 30 G23.44-0.18 19 14 37 27.7 191.0 0.7 6.6 3 48 08 47 30 08 57 30 --- 19 24 39 27.4 193.7 0.8 8.3 600 50 08 47 34 08 58 00 G23.44-0.18 19 25 09 27.4 193.9 0.8 8.3 25 50 08 58 00 09 08 00 --- 19 35 10 27.0 196.6 1.0 10.0 600 53 08 58 04 09 08 30 G23.44-0.18 19 35 40 26.9 196.8 1.0 10.0 25 53 09 08 30 09 18 30 --- 19 45 42 26.5 199.5 1.2 11.6 600 55 09 08 34 09 19 00 G23.44-0.18 19 46 12 26.4 199.6 1.2 11.7 25 55 09 19 00 09 29 00 --- 19 56 14 25.9 202.3 1.3 13.3 600 58 09 19 04 09 34 20 J2202+4216 20 01 35 67.1 106.0 -2.0 -51.1 8 58 09 34 20 09 44 20 =BLLAC 20 11 36 68.5 109.1 -1.9 -49.9 600 60 09 34 24 09 47 20 J2136+0041 20 14 37 34.8 154.5 -1.4 -14.9 21 60 09 47 20 09 57 20 =2134+00 20 24 38 35.4 157.5 -1.2 -13.2 600 62 09 47 24 10 00 30 G23.44-0.18 20 27 49 23.8 210.6 1.9 17.9 8 62 10 00 30 10 10 30 --- 20 37 51 23.0 213.2 2.0 19.3 600 65 10 00 34 10 11 00 G23.44-0.18 20 38 21 23.0 213.3 2.0 19.4 26 65 10 11 00 10 20 00 --- 20 47 22 22.2 215.6 2.2 20.6 540 67 10 11 04 10 20 30 G23.44-0.18 20 47 52 22.2 215.7 2.2 20.7 26 67 10 20 30 10 29 30 --- 20 56 54 21.4 217.9 2.4 21.8 540 69 10 20 34 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 ---------------------------------------------------------------------------------------- --- Sat 1 Mar 2014 Day 60 --- 10 34 20 J2202+4216 21 01 44 75.0 130.5 -1.0 -38.0 5 69 10 34 20 10 44 20 =BLLAC 21 11 46 76.1 136.6 -0.9 -33.8 600 72 10 34 24 10 49 10 G23.44-0.18 21 16 37 19.4 222.7 2.7 24.2 9 72 10 49 10 10 58 00 --- 21 25 28 18.5 224.8 2.8 25.3 530 74 10 49 14 10 58 30 G23.44-0.18 21 25 58 18.5 224.9 2.8 25.3 26 74 10 58 30 11 06 30 --- 21 34 00 17.6 226.8 3.0 26.2 480 76 10 58 34 11 07 00 G23.44-0.18 21 34 30 17.6 226.9 3.0 26.2 26 76 11 07 00 11 15 00 --- 21 42 31 16.7 228.8 3.1 27.1 480 78 11 07 04 11 20 00 J2202+4216 21 47 32 78.8 164.8 -0.3 -12.2 81 78 11 20 00 11 30 00 =BLLAC 21 57 34 79.1 174.4 -0.1 -4.5 600 80 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: 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= 6666.26 6666.26 6666.26 6666.26 BBC fr= 146.26 146.26 146.26 146.26 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) * 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