COVER INFORMATION Station: IRBENE (Code Ir ) Experiment: Network Monitoring Experiment Exp. Code: N17C1 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: +31-521-596507 EMAIL: burns@jive.eu Fax: Phone during observation: +31-521-596507 Observing mode: Notes: 6cm NME and ftp fringe test for session 1/2017 (512 Mbps, L+R, 2-bit sampling, 2 MHz filters) Please send the disk pack by express to JIVE COVER LETTER: This is the schedule for the 6cm NME and ftp fringe-test on 28th Feb 2017 involving antennas: Jb1, Wb, Ef, Mc, Nt, On85, T6, Ur, Tr, Ys, Sv, Zc, Bd, Hh, Ir The NME uses a standard setup with 512 Mbps. The schedule consists of: - long integrations on calibrators J0319+4130 and J0237+2848 for ftp-fringe tests; The following ftp-fringe tests are scheduled throughout the experiment: 13:15:00 (scan 2, 2 sec, J0319+4130 (AKA 3C84)) 13:45:00 (scan 6, 2 sec, J0319+4130) 14:15:00 (scan 9, 2 sec, J0237+2848) 14:45:00 (scan 13, 2 sec, J0237+2848) 15:15:00 (scan 16, 2 sec, J0319+4130) 15:45:00 (scan 20, 2 sec, J0319+4130) Good luck with the session! Ross Skype account: jive.support.scientist 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 ---------------------------------------------------------------------------------------- --- Tue 28 Feb 2017 Day 59 --- Next scan frequencies: 4966.49 4966.49 4966.49 4966.49 4982.49 4982.49 4982.49 4982.49 4998.49 4998.49 4998.49 4998.49 5014.49 5014.49 5014.49 5014.49 Next BBC frequencies: 866.49 866.49 866.49 866.49 882.49 882.49 882.49 882.49 898.49 898.49 898.49 898.49 914.49 914.49 914.49 914.49 Next scan bandwidths: 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 13 00 00 J0319+4130 01 01 35 62.8-249.2 -2.3 -42.1 0 0 13 00 00 13 10 00 =3C84 01 11 36 64.0-246.1 -2.2 -41.0 600 39 13 00 01 13 12 00 J0319+4130 01 13 37 64.3-245.4 -2.1 -40.7 117 39 13 12 00 13 17 00 =3C84 01 18 37 64.9-243.8 -2.0 -40.0 300 58 13 12 01 13 18 00 J0319+4130 01 19 38 65.0-243.4 -2.0 -39.9 57 58 13 18 00 13 25 00 =3C84 01 26 39 65.8-241.0 -1.9 -38.8 420 85 13 18 01 13 26 00 J0319+4130 01 27 39 66.0-240.6 -1.9 -38.7 57 85 13 26 00 13 33 00 =3C84 01 34 40 66.8-238.0 -1.8 -37.5 420 112 13 26 01 13 34 00 J0319+4130 01 35 40 66.9-237.7 -1.8 -37.3 57 112 13 34 00 13 41 00 =3C84 01 42 41 67.7-234.9 -1.6 -35.9 420 139 13 34 01 13 43 00 J0319+4130 01 44 42 67.9-234.1 -1.6 -35.5 117 139 13 43 00 13 47 00 =3C84 01 48 42 68.3-232.5 -1.5 -34.7 240 155 13 43 01 13 50 00 J0319+4130 01 51 43 68.6-231.2 -1.5 -34.0 177 155 13 50 00 14 00 00 =3C84 02 01 44 69.7-226.8 -1.3 -31.5 600 193 13 50 01 14 01 00 J0237+2848 02 02 45 60.6-196.3 -0.6 -9.9 42 193 14 01 00 14 10 00 =0234+285 02 11 46 60.9-192.3 -0.5 -7.5 540 228 14 01 01 14 12 00 J0237+2848 02 13 46 61.0-191.4 -0.4 -6.9 117 228 14 12 00 14 17 00 =0234+285 02 18 47 61.1-189.1 -0.3 -5.6 300 247 14 12 01 14 18 00 J0237+2848 02 19 47 61.1-188.7 -0.3 -5.3 57 247 14 18 00 14 25 00 =0234+285 02 26 49 61.2-185.5 -0.2 -3.4 420 274 14 18 01 14 26 00 J0237+2848 02 27 49 61.3-185.0 -0.2 -3.1 57 274 14 26 00 14 33 00 =0234+285 02 34 50 61.3-181.8 -0.1 -1.1 420 301 14 26 01 14 34 00 J0237+2848 02 35 50 61.3-181.4 -0.1 -0.8 57 301 14 34 00 14 41 00 =0234+285 02 42 51 61.3-178.2 0.1 1.1 420 328 14 34 01 14 43 00 J0237+2848 02 44 52 61.3-177.3 0.1 1.7 117 328 14 43 00 14 47 00 =0234+285 02 48 52 61.3-175.4 0.2 2.8 240 344 14 43 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 ---------------------------------------------------------------------------------------- --- Tue 28 Feb 2017 Day 59 --- 14 50 00 J0237+2848 02 51 53 61.2-174.1 0.2 3.6 177 344 14 50 00 15 00 00 =0234+285 03 01 54 61.0-169.5 0.4 6.4 600 383 14 50 01 15 01 00 J0319+4130 03 02 54 73.8-192.1 -0.3 -8.7 45 383 15 01 00 15 10 00 =3C84 03 11 56 74.0-186.1 -0.1 -4.4 540 417 15 01 01 15 12 00 J0319+4130 03 13 56 74.0-184.7 -0.1 -3.4 117 417 15 12 00 15 17 00 =3C84 03 18 57 74.0-181.3 -0.0 -1.0 300 437 15 12 01 15 18 00 J0319+4130 03 19 57 74.0-180.7 -0.0 -0.5 57 437 15 18 00 15 25 00 =3C84 03 26 58 74.0-175.9 0.1 2.9 420 464 15 18 01 15 26 00 J0319+4130 03 27 59 74.0-175.2 0.1 3.4 57 464 15 26 00 15 33 00 =3C84 03 35 00 73.9-170.5 0.2 6.8 420 491 15 26 01 15 34 00 J0319+4130 03 36 00 73.8-169.8 0.3 7.3 57 491 15 34 00 15 41 00 =3C84 03 43 01 73.6-165.2 0.4 10.6 420 518 15 34 01 15 43 00 J0319+4130 03 45 01 73.6-163.9 0.4 11.5 117 518 15 43 00 15 47 00 =3C84 03 49 02 73.4-161.3 0.5 13.3 240 533 15 43 01 15 50 00 J0319+4130 03 52 03 73.3-159.4 0.5 14.6 177 533 15 50 00 16 00 00 =3C84 04 02 04 72.7-153.3 0.7 18.8 600 572 15 50 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess117.C512nme --- 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: 13 Station: IRBENE Total bit rate: 512 Format: VDIF Bits per sample: 2 Sample rate: 16.000 Number of channels: 16 DBE type: DBBC_DDC Speedup factor: 1.00 Disk used to record data. 1st LO= 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 4100.00 Net SB= L L U U L L U U L L U U L L U U IF SB = U U U U U U U U U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 9 1 9 3 11 3 11 5 13 5 13 7 15 7 15 BBC SB= L L U U L L U U L L U U L L U U IF = A1 C1 A1 C1 A1 C1 A1 C1 B1 D1 B1 D1 B1 D1 B1 D1 The following frequency sets based on these setups were used. Frequency Set: 6 Setup file default. Used with PCAL = off LO sum= 4966.49 4966.49 4966.49 4966.49 4982.49 4982.49 4982.49 4982.49 4998.49 4998.49 4998.49 4998.49 5014.49 5014.49 5014.49 5014.49 BBC fr= 866.49 866.49 866.49 866.49 882.49 882.49 882.49 882.49 898.49 898.49 898.49 898.49 914.49 914.49 914.49 914.49 Bandwd= 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 Matching frequency sets: 6 15 Track assignments are: track1= 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) 0234+285 02 34 55.589590 * 02 37 52.405677 02 38 52.258213 0.00 * J0237+2848 28 35 11.40776 * 28 48 08.99001 28 52 28.35649 0.00 J0237+28 /home/guest/rmc/SCHED/sched11.4/catalogs/sources.gsfc GSFC 2015a astro solution, unpublished 54650 observations. 3C84 03 16 29.567263 * 03 19 48.160094 03 20 55.734227 1.30 * J0319+4130 41 19 51.91701 * 41 30 42.10413 41 34 21.40159 2.69 0316+413 /home/guest/rmc/SCHED/sched11.4/catalogs/sources.gsfc J0319+41 GSFC 2015a astro solution, unpublished 10208 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 J0237+2848 sess117.C512nme 1 2 3 4 5 6 7 8 9 10 11 14 + 0.817 92.080 J0319+4130 sess117.C512nme 1 2 3 4 5 6 7 8 9 10 11 14 + 1.650 178.984 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) J0237+2848 66.7 J0319+4130 79.5 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