COVER INFORMATION Station: WSTRBORK (Code Wb ) Experiment: OH EGOs PtII Exp. Code: EB063C Schedule Version: 1.00 Processed by SCHED version: 11.40 Release 11.4. March 14, 2015 PI: Ross Burns Address: JIVE Postbus 2 7990 AA Dwingeloo The Netherlands Phone: +31-521-596508 EMAIL: burns@jive.eu Fax: Phone during observation: +31-521-596508 Observing mode: Notes: COVER LETTER: OH maser polarisation at L-band. Targets are Extended Green Objects (EGOs) Schedule for WSTRBORK (Code Wb ) Page 2 OH EGOs PtII 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 3 Nov 2017 Day 307 --- ---------- Fringe Finder ---------- Next scan frequencies: 1661.99 1661.99 Next BBC frequencies: 414.99 414.99 Next scan bandwidths: 8.00 8.00 11 34 00 J1800+3848 14 52 04 55.0 94.4 -3.1 0.0 0 0 11 34 00 11 41 30 =1758+388 14 59 35 56.1 96.1 -3.0 0.0 450 4 11 34 01 ---------- Tsys ---------- 11 41 45 J1800+3848 14 59 50 56.2 96.1 -3.0 0.0 4 4 11 41 45 11 42 00 =1758+388 15 00 05 56.2 96.2 -3.0 0.0 15 4 11 41 46 ---------- D-terms for N-S baselines ---------- 11 42 00 OQ208 15 00 05 63.6 206.6 0.9 0.0 -210 4 No stop 11 49 30 --- 15 07 36 63.1 210.1 1.0 0.0 240 7 11 42 01 ---------- Tsys ---------- 11 49 45 OQ208 15 07 51 63.1 210.2 1.0 0.0 4 7 11 49 45 11 50 00 --- 15 08 06 63.0 210.3 1.0 0.0 15 7 11 49 46 11 50 15 G045.47+0.07 15 08 21 25.8 106.4 -4.1 0.0 -251 7 11 50 15 12 02 00 --- 15 20 08 27.5 109.0 -3.9 0.0 454 13 11 50 16 12 02 15 G045.47+0.07 15 20 23 27.5 109.0 -3.9 0.0 4 13 12 02 15 12 14 00 --- 15 32 10 29.2 111.7 -3.7 0.0 705 19 12 02 16 12 14 15 G045.47+0.07 15 32 25 29.2 111.8 -3.7 0.0 4 19 12 14 15 12 26 00 --- 15 44 12 30.9 114.5 -3.5 0.0 705 24 12 14 16 12 26 15 G045.47+0.07 15 44 27 30.9 114.6 -3.5 0.0 4 24 12 26 15 12 38 00 --- 15 56 14 32.5 117.4 -3.3 0.0 705 30 12 26 16 ---------- Pol Cal ---------- 12 38 15 J2202+4216 15 56 29 31.6 60.1 -6.1 D 0.0 -261 30 12 38 15 12 46 00 =VR422201 16 04 15 32.6 61.3 -6.0 0.0 0 34 12 38 16 12 46 15 G045.47+0.07 16 04 30 33.6 119.5 -3.2 0.0 -140 34 12 46 15 12 58 00 --- 16 16 17 35.1 122.4 -3.0 0.0 565 39 12 46 16 12 58 15 G045.47+0.07 16 16 32 35.1 122.5 -3.0 0.0 4 39 12 58 15 13 10 00 --- 16 28 19 36.6 125.6 -2.8 0.0 705 45 12 58 16 Schedule for WSTRBORK (Code Wb ) Page 3 OH EGOs PtII 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 3 Nov 2017 Day 307 --- 13 10 15 G045.47+0.07 16 28 34 36.6 125.6 -2.8 0.0 4 45 13 10 15 13 22 00 --- 16 40 21 38.1 128.8 -2.6 0.0 705 51 13 10 16 13 22 15 G045.47+0.07 16 40 36 38.1 128.9 -2.6 0.0 4 51 13 22 15 13 34 00 --- 16 52 23 39.4 132.2 -2.4 0.0 705 56 13 22 16 ---------- Pol Cal ---------- 13 34 15 J2202+4216 16 52 38 39.2 68.7 -5.2 0.0 -136 56 13 34 15 13 42 00 =VR422201 17 00 25 40.3 69.9 -5.1 0.0 329 60 13 34 16 13 42 15 G045.47+0.07 17 00 40 40.3 134.5 -2.2 0.0 -140 60 13 42 15 13 54 00 --- 17 12 27 41.6 138.0 -2.0 0.0 565 66 13 42 16 13 54 15 G045.47+0.07 17 12 42 41.6 138.1 -2.0 0.0 4 66 13 54 15 14 06 00 --- 17 24 29 42.7 141.6 -1.8 0.0 705 71 13 54 16 14 06 15 G045.47+0.07 17 24 44 42.8 141.7 -1.8 0.0 4 71 14 06 15 14 18 00 --- 17 36 31 43.8 145.4 -1.6 0.0 705 77 14 06 16 14 18 15 G045.47+0.07 17 36 46 43.8 145.5 -1.6 0.0 4 77 14 18 15 14 30 00 --- 17 48 33 44.8 149.3 -1.4 0.0 705 83 14 18 16 ---------- Pol Cal ---------- 14 30 15 J2202+4216 17 48 48 47.3 77.7 -4.2 0.0 -136 83 14 30 15 14 38 00 =VR422201 17 56 34 48.5 78.9 -4.1 0.0 329 86 14 30 16 14 38 15 G045.47+0.07 17 56 49 45.4 152.0 -1.3 0.0 -140 86 14 38 15 14 50 00 --- 18 08 36 46.2 156.0 -1.1 0.0 565 92 14 38 16 14 50 15 G045.47+0.07 18 08 51 46.2 156.1 -1.1 0.0 4 92 14 50 15 15 02 00 --- 18 20 38 46.9 160.2 -0.9 0.0 705 98 14 50 16 15 02 15 G045.47+0.07 18 20 53 46.9 160.3 -0.9 0.0 4 98 15 02 15 15 14 00 --- 18 32 40 47.4 164.5 -0.7 0.0 705 103 15 02 16 15 14 15 G045.47+0.07 18 32 55 47.4 164.6 -0.7 0.0 4 103 15 14 15 15 26 00 --- 18 44 42 47.8 168.8 -0.5 0.0 705 109 15 14 16 ---------- Pol Cal ---------- 15 26 15 J2202+4216 18 44 57 55.7 87.5 -3.3 0.0 -136 109 15 26 15 15 34 00 =VR422201 18 52 43 56.9 89.0 -3.2 0.0 329 113 15 26 16 Schedule for WSTRBORK (Code Wb ) Page 4 OH EGOs PtII 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 3 Nov 2017 Day 307 --- 15 34 15 G045.47+0.07 18 52 58 48.0 171.8 -0.4 0.0 -140 113 15 34 15 15 46 00 --- 19 04 45 48.2 176.1 -0.2 0.0 565 118 15 34 16 15 46 15 G045.47+0.07 19 05 00 48.2 176.2 -0.2 0.0 4 118 15 46 15 15 58 00 --- 19 16 47 48.3 180.6 0.0 0.0 705 124 15 46 16 15 58 15 G045.47+0.07 19 17 02 48.3 180.7 0.0 0.0 4 124 15 58 15 16 10 00 --- 19 28 49 48.2 185.0 0.2 0.0 705 130 15 58 16 16 10 15 G045.47+0.07 19 29 04 48.2 185.1 0.2 0.0 4 130 16 10 15 16 22 00 --- 19 40 51 48.0 189.4 0.4 0.0 705 135 16 10 16 ---------- Pol Cal ---------- 16 22 15 J2202+4216 19 41 06 64.1 99.6 -2.4 0.0 -136 135 16 22 15 16 30 00 =VR422201 19 48 52 65.3 101.6 -2.2 0.0 329 139 16 22 16 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess317.L64 --- 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: 5 Station: WSTRBORK Total bit rate: 64 Format: MARK5B Bits per sample: 2 Sample rate: 16.000 Number of channels: 2 DBE type: DBBC_DDC Speedup factor: 1.00 Disk used to record data. 1st LO= 1247.00 1247.00 Net SB= U U IF SB = U U Pol. = RCP LCP BBC = 1 5 BBC SB= U U IF = A1 B1 The following frequency sets based on these setups were used. Frequency Set: 12 Based on FREQ, BW, and/or DOPPLER in schedule. Used with PCAL = off LO sum= 1661.99 1661.99 BBC fr= 414.99 414.99 Bandwd= 8.00 8.00 Matching frequency sets: 12 Track assignments are: track1= 2, 4 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * G045.47+0.07 19 12 04.370776 * 19 14 25.700000 19 15 14.814050 0.00 11 04 11.16749 * 11 09 26.06000 11 11 35.11578 0.00 From catalog imbedded in main SCHED input file. Doppler based on LSR frame and radio definition. Velocities: 65.00 65.00 * OQ208 14 04 45.615156 * 14 07 00.394414 14 07 46.077195 0.24 J1407+2827 28 41 29.23518 * 28 27 14.69022 28 22 22.39842 0.34 1404+286 /home/guest/rmc/SCHED/sched11.4/catalogs/sources.gsfc J1407+28 GSFC 2015a astro solution, unpublished 67871 observations. Doppler based on other sources. 1758+388 17 58 44.703952 * 18 00 24.765362 18 00 58.756282 0.01 * J1800+3848 38 48 32.47350 * 38 48 30.69749 38 48 52.35225 0.01 J1800+38 /home/guest/rmc/SCHED/sched11.4/catalogs/sources.gsfc GSFC 2015a astro solution, unpublished 4173 observations. Doppler based on other sources. VR422201 22 00 39.362505 * 22 02 43.291372 22 03 27.777924 0.00 * J2202+4216 42 02 08.59077 * 42 16 39.97990 42 22 08.13503 0.00 BLLAC /home/guest/rmc/SCHED/sched11.4/catalogs/sources.gsfc 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 G045.47+0.0sess317.L64 1 3 4 5 6 7 8 11 12 13 3.917 254.674 OQ208 sess317.L64 1 3 4 5 7 8 11 12 13 0.129 3.528 J1800+3848 sess317.L64 1 3 4 5 6 7 8 11 12 13 0.129 5.452 J2202+4216 sess317.L64 1 3 4 5 6 7 8 11 12 13 0.712 29.688 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) G045.47+0.07 74.1 OQ208 44.1 J1800+3848 72.2 J2202+4216 116.3 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