COVER INFORMATION Station: YEBES40M (Code Ys ) Experiment: 6.7GHz CH3OH maser polarization towards massive protostars. II. Exp. Code: ES072P Schedule Version: 3.00 Processed by SCHED version: 11.40 Release 11.4. March 14, 2015 PI: G. Surcis Address: Joint Institute for VLBI ERIC 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 source at 6.7 GHz (32 Mb/s) Notes: phase-cal OFF source = G69.52-0.97 (ON1) Schedule for YEBES40M (Code Ys ) 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 22 Oct 2015 Day 295 --- Next scan frequencies: 6667.28 6667.28 6667.28 6667.28 Next BBC frequencies: 757.28 757.28 757.28 757.28 Next scan bandwidths: 2.00 2.00 2.00 2.00 13 00 00 J2202+4216 14 50 14 15.2 46.6 -7.2 -48.4 0 0 13 00 00 13 10 00 =VR422201 15 00 15 16.6 47.9 -7.1 -49.7 600 2 13 00 01 13 11 50 G69.52-0.97 15 02 06 29.0 71.7 -5.1 -57.9 71 2 13 11 50 13 21 50 --- 15 12 07 30.8 73.0 -5.0 -58.6 600 5 13 11 51 13 22 20 G69.52-0.97 15 12 37 30.9 73.0 -5.0 -58.6 15 5 13 22 20 13 32 20 --- 15 22 39 32.7 74.3 -4.8 -59.2 600 7 13 22 21 13 32 50 G69.52-0.97 15 23 09 32.8 74.4 -4.8 -59.2 15 7 13 32 50 13 42 50 --- 15 33 11 34.6 75.7 -4.6 -59.8 600 10 13 32 51 13 43 20 G69.52-0.97 15 33 41 34.7 75.8 -4.6 -59.9 15 10 13 43 20 13 53 20 --- 15 43 42 36.6 77.1 -4.5 -60.4 600 12 13 43 21 13 55 10 J2202+4216 15 45 33 23.2 53.3 -6.3 -55.5 71 12 13 55 10 14 05 10 =VR422201 15 55 34 24.7 54.4 -6.1 -56.8 600 14 13 55 11 14 14 50 J1331+3030 16 05 16 57.5 264.2 2.6 61.3 356 14 14 14 50 14 24 50 =3C286 16 15 18 55.6 266.1 2.7 61.6 600 17 14 14 51 14 25 20 J1331+3030 16 15 48 55.5 266.2 2.7 61.6 15 17 14 25 20 14 35 20 =3C286 16 25 49 53.6 267.9 2.9 61.8 600 19 14 25 21 14 43 30 G69.52-0.97 16 34 01 46.0 83.9 -3.6 -62.5 290 19 14 43 30 14 53 20 --- 16 43 52 47.8 85.3 -3.4 -62.8 590 22 14 43 31 14 53 50 G69.52-0.97 16 44 22 47.9 85.4 -3.4 -62.8 15 22 14 53 50 15 03 50 --- 16 54 24 49.8 86.8 -3.3 -63.0 600 24 14 53 51 15 05 50 J2202+4216 16 56 24 34.5 60.8 -5.1 -63.9 79 24 15 05 50 15 15 50 =VR422201 17 06 26 36.2 61.8 -4.9 -65.0 600 26 15 05 51 15 18 00 G69.52-0.97 17 08 36 52.5 89.0 -3.0 -63.1 88 26 15 18 00 15 28 00 --- 17 18 38 54.4 90.6 -2.9 -63.2 600 29 15 18 01 15 28 30 G69.52-0.97 17 19 08 54.5 90.7 -2.9 -63.1 15 29 15 28 30 15 38 30 --- 17 29 10 56.4 92.4 -2.7 -63.1 600 31 15 28 31 15 39 00 G69.52-0.97 17 29 40 56.5 92.5 -2.7 -63.0 15 31 15 39 00 15 49 00 --- 17 39 41 58.4 94.3 -2.5 -62.8 600 34 15 39 01 Schedule for YEBES40M (Code Ys ) 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 ---------------------------------------------------------------------------------------- --- Thu 22 Oct 2015 Day 295 --- 15 49 30 G69.52-0.97 17 40 12 58.5 94.4 -2.5 -62.8 15 34 15 49 30 15 59 30 --- 17 50 13 60.4 96.4 -2.3 -62.5 600 36 15 49 31 16 01 50 J2202+4216 17 52 34 44.1 66.0 -4.2 -70.0 95 36 16 01 50 16 11 50 =VR422201 18 02 35 45.8 66.9 -4.0 -71.1 600 38 16 01 51 16 14 20 G69.52-0.97 18 05 06 63.2 99.5 -2.1 -61.6 103 38 16 14 20 16 24 20 --- 18 15 07 65.1 101.9 -1.9 -60.8 600 41 16 14 21 16 24 50 G69.52-0.97 18 15 37 65.2 102.0 -1.9 -60.8 15 41 16 24 50 16 34 50 --- 18 25 39 67.1 104.6 -1.8 -59.7 600 43 16 24 51 16 35 20 G69.52-0.97 18 26 09 67.1 104.7 -1.7 -59.6 15 43 16 35 20 16 45 20 --- 18 36 11 69.0 107.7 -1.6 -58.2 600 46 16 35 21 16 45 50 G69.52-0.97 18 36 41 69.1 107.8 -1.6 -58.1 15 46 16 45 50 16 55 50 --- 18 46 42 70.9 111.2 -1.4 -56.3 600 48 16 45 51 16 58 40 J2202+4216 18 49 33 54.1 70.7 -3.2 -76.1 114 48 16 58 40 17 08 40 =VR422201 18 59 35 55.9 71.4 -3.1 -77.2 600 50 16 58 41 17 11 50 G69.52-0.97 19 02 45 73.6 117.8 -1.1 -52.1 130 50 17 11 50 17 21 50 --- 19 12 47 75.3 122.9 -1.0 -48.5 600 53 17 11 51 17 22 20 G69.52-0.97 19 13 17 75.4 123.2 -1.0 -48.3 15 53 17 22 20 17 32 20 --- 19 23 18 76.9 129.3 -0.8 -43.6 600 55 17 22 21 17 32 50 G69.52-0.97 19 23 49 77.0 129.7 -0.8 -43.4 15 55 17 32 50 17 42 50 --- 19 33 50 78.4 137.3 -0.6 -37.2 600 58 17 32 51 17 43 20 G69.52-0.97 19 34 20 78.4 137.7 -0.6 -36.9 15 58 17 43 20 17 53 20 --- 19 44 22 79.6 147.2 -0.4 -28.9 600 60 17 43 21 17 57 10 J2202+4216 19 48 13 64.8 74.6 -2.3 -82.7 142 60 17 57 10 18 07 10 =VR422201 19 58 14 66.6 75.1 -2.1 -83.9 600 62 17 57 11 18 10 10 J2136+0041 20 01 15 44.7 145.0 -1.6 -25.8 96 62 18 10 10 18 20 10 =2134+00 20 11 16 45.7 148.3 -1.4 -23.6 600 65 18 10 11 18 22 40 G69.52-0.97 20 13 47 81.0 184.1 0.0 3.7 100 65 18 22 40 18 32 40 --- 20 23 48 80.7 197.4 0.2 15.5 600 67 18 22 41 18 33 10 G69.52-0.97 20 24 18 80.6 198.0 0.2 16.0 15 67 18 33 10 18 43 10 --- 20 34 20 79.9 209.8 0.4 26.3 600 70 18 33 11 Schedule for YEBES40M (Code Ys ) 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 ---------------------------------------------------------------------------------------- --- Thu 22 Oct 2015 Day 295 --- 18 43 40 G69.52-0.97 20 34 50 79.8 210.3 0.4 26.8 15 70 18 43 40 18 53 40 --- 20 44 52 78.7 220.2 0.6 35.2 600 72 18 43 41 18 57 40 J2202+4216 20 48 52 75.9 76.4 -1.2 -91.2 81 72 18 57 40 19 06 20 =VR422201 20 57 34 77.5 76.1 -1.1 -92.9 520 74 18 57 41 19 10 10 G69.52-0.97 21 01 25 76.4 232.7 0.8 45.2 59 74 19 10 10 19 20 10 --- 21 11 26 74.9 238.6 1.0 49.6 600 77 19 10 11 19 20 40 G69.52-0.97 21 11 56 74.8 238.8 1.0 49.8 15 77 19 20 40 19 30 40 --- 21 21 58 73.1 243.6 1.2 53.1 600 79 19 20 41 19 31 10 G69.52-0.97 21 22 28 73.0 243.9 1.2 53.2 15 79 19 31 10 19 41 10 --- 21 32 30 71.3 247.9 1.4 55.8 600 81 19 31 11 19 41 40 G69.52-0.97 21 33 00 71.2 248.1 1.4 55.9 15 81 19 41 40 19 46 00 --- 21 37 20 70.4 249.7 1.4 56.8 260 82 19 41 41 19 50 00 J2202+4216 21 41 21 85.5 64.2 -0.4 -112.1 40 82 19 50 00 20 00 00 =VR422201 21 51 23 87.1 49.8 -0.2 -128.2 600 85 19 50 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess315.M32 --- WARNING --- This group does not match an entry in the frequency catalog. This might be ok because the catalog is not complete. But be very careful to be sure that the setup is correct. Setup group: 7 Station: YEBES40M Total bit rate: 32 Format: MARK5B Bits per sample: 2 Sample rate: 4.000 Number of channels: 4 DBE type: DBBC_DDC Speedup factor: 1.00 Disk used to record data. 1st LO= 5910.00 5910.00 5910.00 5910.00 Net SB= U U U U IF SB = U U U U Pol. = RCP LCP RCP LCP BBC = 1 9 2 10 BBC SB= U U U U IF = A1 C1 A1 C1 The following frequency sets based on these setups were used. Frequency Set: 7 Based on FREQ, BW, and/or DOPPLER in schedule. Used with PCAL = off LO sum= 6667.28 6667.28 6667.28 6667.28 BBC fr= 757.28 757.28 757.28 757.28 Bandwd= 2.00 2.00 2.00 2.00 Matching frequency sets: 7 Track assignments are: track1= 2, 6, 4, 8 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * G69.52-0.97 20 08 09.824095 * 20 10 09.070000 20 10 46.903224 0.00 31 22 39.10382 * 31 31 34.40000 31 34 48.57086 0.00 From catalog imbedded in main SCHED input file. Doppler based on LSR frame and radio definition. Velocities: 10.00 10.00 10.00 10.00 3C286 13 28 49.657758 * 13 31 08.288051 13 31 50.183384 0.18 * J1331+3030 30 45 58.64059 * 30 30 32.95924 30 25 49.73892 0.17 1328+307 ../sources.gsfc.2015feb J1331+30 GSFC 2015a astro solution, unpublished 225 observations. Doppler based on other sources. 2134+00 21 34 05.207371 * 21 36 38.586306 21 37 27.443375 0.73 * J2136+0041 00 28 25.07998 * 00 41 54.21280 00 46 23.45979 1.22 2134+004 ../sources.gsfc.2015feb J2136+00 GSFC 2015a astro solution, unpublished 27867 observations. Doppler based on other sources. VR422201 22 00 39.362505 * 22 02 43.291372 22 03 23.752957 0.00 * J2202+4216 42 02 08.59077 * 42 16 39.97990 42 21 36.92723 0.00 BLLAC ../sources.gsfc.2015feb 2200+420 GSFC 2015a astro solution, unpublished 51226 observations. J2202+42 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 G69.52-0.97sess315.M32 1 2 3 4 5 6 7 10 4.069 183.039 J1331+3030 sess315.M32 1 2 3 4 5 6 7 10 0.333 14.996 J2136+0041 sess315.M32 1 2 3 4 5 6 7 10 0.167 7.085 J2202+4216 sess315.M32 1 2 3 4 5 6 7 10 1.311 56.122 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) G69.52-0.97 100.7 J1331+3030 41.7 J2136+0041 117.1 J2202+4216 122.3 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