COVER INFORMATION Station: IRBENE (Code Ir ) Experiment: OH EGOs PtII Exp. Code: EB063B 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 IRBENE (Code Ir ) 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 ---------------------------------------------------------------------------------------- --- Thu 2 Nov 2017 Day 306 --- ---------- R-L phase difference ---------- Next scan frequencies: 1662.07 1662.07 Next BBC frequencies: 447.07 447.07 Next scan bandwidths: 8.00 8.00 11 30 00 J2202+4216 15 45 09 32.5-299.2 -6.3 -39.3 0 0 11 30 00 11 34 00 =VR422201 15 49 10 33.0-298.5 -6.2 -39.7 240 2 11 30 01 ---------- Fringe Finder ---------- 11 34 00 J1800+3848 15 49 10 61.6-243.1 -2.2 -37.9 -31 2 No stop 11 41 30 =1758+388 15 56 41 62.5-240.6 -2.1 -36.8 419 6 11 34 01 ---------- Tsys ---------- 11 41 45 J1800+3848 15 56 56 62.5-240.5 -2.1 -36.8 12 6 11 41 45 11 42 00 =1758+388 15 57 11 62.6-240.4 -2.1 -36.8 15 6 11 41 46 ---------- D-terms for N-S baselines ---------- 11 42 00 OQ208 15 57 11 55.1-135.0 1.8 25.5 -56 6 No stop 11 49 30 --- 16 04 42 54.4-132.4 1.9 26.7 394 9 11 42 01 ---------- Tsys ---------- 11 49 45 OQ208 16 04 57 54.4-132.4 2.0 26.8 12 9 11 49 45 11 50 00 --- 16 05 12 54.3-132.3 2.0 26.8 15 9 11 49 46 11 50 15 G035.03+00.3 16 05 27 25.2-228.1 -2.8 -23.6 -36 9 11 50 15 12 02 00 --- 16 17 14 26.4-225.1 -2.6 -22.3 669 15 11 50 16 12 02 15 G035.03+00.3 16 17 29 26.4-225.0 -2.6 -22.3 12 15 12 02 15 12 14 00 --- 16 29 16 27.5-222.0 -2.4 -21.0 705 21 12 02 16 12 14 15 G035.03+00.3 16 29 31 27.5-221.9 -2.4 -21.0 12 21 12 14 15 12 26 00 --- 16 41 18 28.5-218.8 -2.2 -19.6 705 26 12 14 16 12 26 15 G035.03+00.3 16 41 33 28.6-218.7 -2.2 -19.6 12 26 12 26 15 12 38 00 --- 16 53 20 29.5-215.5 -2.0 -18.2 705 32 12 26 16 ---------- Pol Cal ---------- 12 38 15 J2202+4216 16 53 35 40.9-287.4 -5.2 -43.9 -24 32 12 38 15 12 46 00 =VR422201 17 01 21 41.9-286.0 -5.0 -44.3 441 36 12 38 16 Schedule for IRBENE (Code Ir ) 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 ---------------------------------------------------------------------------------------- --- Thu 2 Nov 2017 Day 306 --- 12 46 15 G035.03+00.3 17 01 37 30.1-213.2 -1.9 -17.1 -24 36 12 46 15 12 58 00 --- 17 13 23 31.0-210.0 -1.7 -15.6 681 42 12 46 16 12 58 15 G035.03+00.3 17 13 38 31.0-209.9 -1.7 -15.5 12 42 12 58 15 13 10 00 --- 17 25 25 31.7-206.6 -1.5 -13.9 705 47 12 58 16 13 10 15 G035.03+00.3 17 25 40 31.8-206.5 -1.5 -13.9 12 47 13 10 15 13 22 00 --- 17 37 27 32.4-203.1 -1.3 -12.2 705 53 13 10 16 13 22 15 G035.03+00.3 17 37 42 32.4-203.0 -1.3 -12.1 12 53 13 22 15 13 34 00 --- 17 49 29 33.0-199.6 -1.1 -10.4 705 59 13 22 16 ---------- Pol Cal ---------- 13 34 15 J2202+4216 17 49 44 48.2-277.1 -4.2 -46.1 -27 59 13 34 15 13 42 00 =VR422201 17 57 31 49.3-275.6 -4.1 -46.3 438 62 13 34 16 13 42 15 G035.03+00.3 17 57 46 33.4-197.2 -1.0 -9.1 -27 62 13 42 15 13 54 00 --- 18 09 33 33.8-193.7 -0.8 -7.3 678 68 13 42 16 13 54 15 G035.03+00.3 18 09 48 33.8-193.6 -0.8 -7.2 12 68 13 54 15 14 06 00 --- 18 21 35 34.1-190.1 -0.6 -5.4 705 74 13 54 16 14 06 15 G035.03+00.3 18 21 50 34.1-190.0 -0.6 -5.3 12 74 14 06 15 14 18 00 --- 18 33 37 34.3-186.4 -0.4 -3.5 705 79 14 06 16 14 18 15 G035.03+00.3 18 33 52 34.3-186.4 -0.4 -3.4 12 79 14 18 15 14 30 00 --- 18 45 39 34.5-182.8 -0.2 -1.5 705 85 14 18 16 ---------- Pol Cal ---------- 14 30 15 J2202+4216 18 45 54 55.8-265.5 -3.3 -46.4 -29 85 14 30 15 14 38 00 =VR422201 18 53 40 56.8-263.7 -3.2 -46.2 436 89 14 30 16 14 38 15 G035.03+00.3 18 53 55 34.5-180.3 -0.0 -0.2 -30 89 14 38 15 14 50 00 --- 19 05 42 34.5-176.7 0.2 1.8 675 94 14 38 16 14 50 15 G035.03+00.3 19 05 57 34.5-176.6 0.2 1.8 12 94 14 50 15 15 02 00 --- 19 17 44 34.3-173.1 0.4 3.7 705 100 14 50 16 15 02 15 G035.03+00.3 19 17 59 34.3-173.0 0.4 3.7 12 100 15 02 15 15 14 00 --- 19 29 46 34.1-169.5 0.6 5.6 705 106 15 02 16 15 14 15 G035.03+00.3 19 30 01 34.1-169.4 0.6 5.7 12 106 15 14 15 15 26 00 --- 19 41 48 33.7-165.9 0.8 7.5 705 111 15 14 16 Schedule for IRBENE (Code Ir ) 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 ---------------------------------------------------------------------------------------- --- Thu 2 Nov 2017 Day 306 --- ---------- Pol Cal ---------- 15 26 15 J2202+4216 19 42 03 63.1-251.0 -2.4 -43.4 -31 111 15 26 15 15 34 00 =VR422201 19 49 49 64.1-248.7 -2.2 -42.6 434 115 15 26 16 15 34 15 G035.03+00.3 19 50 04 33.4-163.4 0.9 8.8 -31 115 15 34 15 15 46 00 --- 20 01 51 32.9-159.9 1.1 10.6 674 121 15 34 16 15 46 15 G035.03+00.3 20 02 06 32.9-159.9 1.1 10.6 12 121 15 46 15 15 58 00 --- 20 13 53 32.3-156.4 1.3 12.4 705 127 15 46 16 15 58 15 G035.03+00.3 20 14 08 32.3-156.4 1.3 12.4 12 127 15 58 15 16 10 00 --- 20 25 55 31.6-153.0 1.5 14.1 705 132 15 58 16 16 10 15 G035.03+00.3 20 26 10 31.6-152.9 1.5 14.1 12 132 16 10 15 16 22 00 --- 20 37 57 30.9-149.6 1.7 15.8 705 138 16 10 16 ---------- Pol Cal ---------- 16 22 15 J2202+4216 20 38 12 69.7-230.8 -1.4 -34.2 -28 138 16 22 15 16 30 00 =VR422201 20 45 58 70.5-227.2 -1.3 -32.2 437 142 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: 12 Station: IRBENE Total bit rate: 64 Format: VDIF 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= 1215.00 1215.00 Net SB= U U IF SB = U U Pol. = RCP LCP BBC = 1 9 BBC SB= U U IF = A1 C1 The following frequency sets based on these setups were used. Frequency Set: 11 Based on FREQ, BW, and/or DOPPLER in schedule. Used with PCAL = off LO sum= 1662.07 1662.07 BBC fr= 447.07 447.07 Bandwd= 8.00 8.00 Matching frequency sets: 11 Track assignments are: track1= 1, 2 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * G035.03+00.3 18 51 29.002698 * 18 54 00.530000 18 54 53.127658 0.00 01 57 31.63323 * 02 01 20.27000 02 02 56.71918 0.00 From catalog imbedded in main SCHED input file. Doppler based on LSR frame and radio definition. Velocities: 48.00 48.00 * OQ208 14 04 45.615156 * 14 07 00.394414 14 07 46.072799 0.24 J1407+2827 28 41 29.23518 * 28 27 14.69022 28 22 22.63806 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 58.777373 0.01 * J1800+3848 38 48 32.47350 * 38 48 30.69749 38 48 52.51616 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 27.801874 0.00 * J2202+4216 42 02 08.59077 * 42 16 39.97990 42 22 08.07699 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 G035.03+00.sess317.L64 1 3 4 5 6 7 8 11 12 13 3.917 239.312 OQ208 sess317.L64 1 3 4 5 7 8 11 12 13 0.129 3.563 J1800+3848 sess317.L64 1 3 4 5 6 7 8 11 12 13 0.129 5.460 J2202+4216 sess317.L64 1 3 4 5 6 7 8 11 12 13 0.712 28.780 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) G035.03+00.3 67.2 OQ208 43.7 J1800+3848 72.6 J2202+4216 116.9 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