COVER INFORMATION Station: IRBENE (Code Ir ) Experiment: Network Monitoring Experiment Exp. Code: N15L3 Schedule Version: 2.00 Processed by SCHED version: 11.40 Release 11.4. March 14, 2015 PI: Minnie Mao Address: JIVE Postbus 2 7990 AA Dwingeloo The Netherlands Phone: +31-521-596508 EMAIL: mao@jive.eu Fax: Phone during observation: +31-521-596508 Observing mode: Notes: 18cm NME and 4 ftp fringe tests for session 3/2015 512 Mbps, L+R, 2-bit sampling, 8 MHz filters Please send the disk pack by express to JIVE COVER LETTER: This is the schedule for the 18cm NME and ftp fringe-test on 15 October 2015 involving 15 antennas: Ef Wb1 Jb1 On85 Mc Sh T6 Ur Tr Sv Zc Bd Hh Sr Ir. The NME uses a standard 512 Mbps setup. The schedule consists of long integrations on strong calibrators (J1642+3948 aka. 3C345 and J1751+0939) for ftp-fringe tests. At 18cm, 3C345 (J1642+3948) is ~3.5 Jy/beam and J1751+0939 is ~2.9Jy/beam) Four ftp-fringe tests are scheduled throughout the experiment: 11:39:00 (scan 2, 2 sec, J1642+3948) 12:39:00 (scan 8, 2 sec, J1642+3948) 13:04:00 (scan 11, 2 sec, J1751+0939) 14:09:00 (scan 17, 2 sec, J1751+0939) All antennas will participate in at least two FTP fringe tests. Please make sure that the autoftp is set up correctly. Thanks! Good luck with the session and see you on Skype! Minnie Skype account: mini_mintaka Schedule for IRBENE (Code Ir ) Page 2 Network Monitoring Experiment 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 15 Oct 2015 Day 288 --- Next scan frequencies: 1650.49 1650.49 1650.49 1650.49 Next BBC frequencies: 750.49 750.49 750.49 750.49 Next scan bandwidths: 8.00 8.00 8.00 8.00 11 30 00 J1642+3948 14 32 09 62.4-244.2 -2.2 -38.9 0 0 11 30 00 11 34 00 =3C345 14 36 10 62.9-242.9 -2.1 -38.4 240 4 11 30 01 11 36 00 J1642+3948 14 38 10 63.2-242.2 -2.1 -38.1 117 4 11 36 00 11 40 00 =3C345 14 42 11 63.6-240.9 -2.0 -37.6 240 8 11 36 01 11 42 00 J1642+3948 14 44 11 63.9-240.2 -2.0 -37.3 117 8 11 42 00 11 45 00 =3C345 14 47 11 64.2-239.1 -1.9 -36.8 180 11 11 42 01 11 47 00 J1642+3948 14 49 12 64.4-238.4 -1.9 -36.5 117 11 11 47 00 12 00 00 =3C345 15 02 14 65.9-233.5 -1.7 -34.2 780 23 11 47 01 12 02 00 J1642+3948 15 04 14 66.1-232.7 -1.7 -33.8 117 23 12 02 00 12 15 00 =3C345 15 17 16 67.4-227.4 -1.4 -30.9 780 36 12 02 01 12 17 00 J1642+3948 15 19 17 67.6-226.5 -1.4 -30.4 117 36 12 17 00 12 30 00 =3C345 15 32 19 68.8-220.6 -1.2 -27.0 780 48 12 17 01 12 32 00 J1642+3948 15 34 19 69.0-219.6 -1.2 -26.4 117 48 12 32 00 12 34 00 =3C345 15 36 20 69.2-218.7 -1.1 -25.9 120 50 12 32 01 12 36 00 J1642+3948 15 38 20 69.4-217.7 -1.1 -25.3 117 50 12 36 00 12 40 00 =3C345 15 42 21 69.7-215.7 -1.0 -24.0 240 54 12 36 01 12 42 00 J1642+3948 15 44 21 69.8-214.7 -1.0 -23.4 117 54 12 42 00 12 45 00 =3C345 15 47 21 70.1-213.1 -0.9 -22.4 180 57 12 42 01 12 55 00 J1751+0939 15 57 23 37.3-216.5 -1.9 -18.9 580 57 12 55 00 13 00 00 =1749+096 16 02 24 37.6-215.1 -1.8 -18.2 300 62 12 55 01 13 02 00 J1751+0939 16 04 24 37.8-214.5 -1.8 -17.9 117 62 13 02 00 13 05 00 =1749+096 16 07 25 38.0-213.6 -1.7 -17.5 180 64 13 02 01 13 07 00 J1751+0939 16 09 25 38.2-213.0 -1.7 -17.2 117 64 13 07 00 13 15 00 =1749+096 16 17 26 38.7-210.5 -1.6 -16.1 480 72 13 07 01 13 17 00 J1751+0939 16 19 27 38.9-209.9 -1.5 -15.8 117 72 13 17 00 13 30 00 =1749+096 16 32 29 39.7-205.9 -1.3 -13.8 780 85 13 17 01 13 32 00 J1751+0939 16 34 29 39.8-205.3 -1.3 -13.4 117 85 13 32 00 13 45 00 =1749+096 16 47 31 40.5-201.2 -1.1 -11.3 780 97 13 32 01 Schedule for IRBENE (Code Ir ) Page 3 Network Monitoring Experiment 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 15 Oct 2015 Day 288 --- 13 47 00 J1751+0939 16 49 32 40.6-200.6 -1.0 -11.0 117 97 13 47 00 14 00 00 =1749+096 17 02 34 41.1-196.4 -0.8 -8.8 780 110 13 47 01 14 02 00 J1751+0939 17 04 34 41.2-195.7 -0.8 -8.5 117 110 14 02 00 14 04 00 =1749+096 17 06 34 41.3-195.1 -0.8 -8.1 120 112 14 02 01 14 06 00 J1751+0939 17 08 35 41.4-194.4 -0.7 -7.8 117 112 14 06 00 14 10 00 =1749+096 17 12 35 41.5-193.1 -0.7 -7.1 240 115 14 06 01 14 12 00 J1751+0939 17 14 36 41.6-192.5 -0.6 -6.7 117 115 14 12 00 14 15 00 =1749+096 17 17 36 41.6-191.5 -0.6 -6.2 180 118 14 12 01 14 17 00 J1751+0939 17 19 36 41.7-190.8 -0.5 -5.9 117 118 14 17 00 14 30 00 =1749+096 17 32 39 41.9-186.5 -0.3 -3.5 780 131 14 17 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess315.L512 --- 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: 15 Station: IRBENE Total bit rate: 128 Format: MARK5B Bits per sample: 2 Sample rate: 16.000 Number of channels: 4 DBE type: DBBC_DDC Speedup factor: 1.00 Disk used to record data. 1st LO= 900.00 900.00 900.00 900.00 Net SB= L L U U IF SB = U U U U Pol. = RCP LCP RCP LCP BBC = 1 5 1 5 BBC SB= L L U U IF = A1 B1 A1 B1 The following frequency sets based on these setups were used. Frequency Set: 15 Setup file default. Used with PCAL = off LO sum= 1650.49 1650.49 1650.49 1650.49 BBC fr= 750.49 750.49 750.49 750.49 Bandwd= 8.00 8.00 8.00 8.00 Matching frequency sets: 15 Track assignments are: track1= 6, 8, 2, 4 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) 3C345 16 41 17.606228 * 16 42 58.809966 16 43 29.392560 0.76 * J1642+3948 39 54 10.81496 * 39 48 36.99402 39 47 16.25032 0.52 1641+399 /home/guest/rmc/SCHED/sched11.4/catalogs/sources.gsfc J1642+39 GSFC 2015a astro solution, unpublished 53430 observations. 1749+096 17 49 10.387931 * 17 51 32.818574 17 52 17.116205 0.00 * J1751+0939 09 39 42.82591 * 09 39 00.72847 09 39 08.79451 0.00 J1751+09 /home/guest/rmc/SCHED/sched11.4/catalogs/sources.gsfc GSFC 2015a astro solution, unpublished 144578 observations. 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 J1642+3948 sess315.L512 1 2 3 4 5 6 7 8 11 12 13 14 + 0.983 89.483 J1751+0939 sess315.L512 1 2 3 4 5 6 7 8 11 12 13 14 + 1.283 127.351 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) J1642+3948 67.2 J1751+0939 70.0 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