COVER INFORMATION Station: PICKMERE (Code Pi ) Experiment: Network Monitoring Experiment Exp. Code: N20M3 Schedule Version: 1.00 Processed by SCHED version: 11.60 Release 11.6; April 2020 PI: Olga Bayandina Address: JIVE Postbus 2 7990 AA Dwingeloo The Netherlands Phone: +31-521-596507 EMAIL: bayandina@jive.eu Fax: Phone during observation: +31-521-596507 Observing mode: Notes: 5cm NME and ftp fringe test for Session 3 2020 (256 Mbps, L+R, 2-bit sampling, 4 MHz filters; with a 2Gbps mode via 32 MHz filters at the end) COVER LETTER: This is the schedule for the 5cm NME and ftp fringe-test on 2020, October 15 involving antennas: Jb2, Wb, Ef, Mc, Nt, On85, T6, Tr, Ys, Ir, Sr, Km, Cm, Da, De, Kn, Pi. The NME uses a standard setup with 256 Mbps (and 2Gbps mode at the end); both as will follow in user experiments. The schedule consists of long integrations on calibrators 3C345, J2031+1219, and J2139+1423 for ftp-fringe tests. The following ftp-fringe tests are scheduled throughout the experiment (UT times): 256 Mbps 12:18:00 (scan 2, 2 sec, 3C345) 12:38:00 (scan 4, 2 sec, 3C345) 12:58:00 (scan 6, 2 sec, 3C345) 13:18:00 (scan 8, 2 sec, J2031+1219) 13:38:00 (scan 10, 2 sec, J2031+1219) 13:58:00 (scan 12, 2 sec, J2031+1219) 2Gbps 14:18:00 (scan 14, 2 sec, J2139+1423) 14:38:00 (scan 16, 2 sec, J2139+1423) 14:58:00 (scan 18, 2 sec, J2139+1423) Good luck with the session! Olga Bayandina Mattermost: coms.evlbi.org Schedule for PICKMERE (Code Pi ) 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 2020 Day 289 --- Next scan frequencies: 6635.49 6635.49 Next BBC frequencies: 788.51 788.51 Next scan bandwidths: 64.00 64.00 12 00 00 3C345 13 28 09 54.6 92.2 -3.3 -51.0 0 0 12 00 00 12 10 00 --- 13 38 10 56.1 94.4 -3.1 -50.9 600 39 12 00 01 12 11 00 3C345 13 39 10 56.2 94.6 -3.1 -50.8 55 39 12 11 00 12 20 00 --- 13 48 12 57.6 96.6 -2.9 -50.6 540 73 12 11 01 12 21 00 3C345 13 49 12 57.7 96.8 -2.9 -50.6 55 73 12 21 00 12 30 00 --- 13 58 14 59.1 99.0 -2.8 -50.2 540 108 12 21 01 12 31 00 3C345 13 59 14 59.2 99.2 -2.7 -50.2 55 108 12 31 00 12 40 00 --- 14 08 15 60.5 101.4 -2.6 -49.7 540 143 12 31 01 12 41 00 3C345 14 09 15 60.7 101.7 -2.6 -49.6 55 143 12 41 00 12 50 00 --- 14 18 17 62.0 104.0 -2.4 -49.0 540 178 12 41 01 12 51 00 3C345 14 19 17 62.1 104.3 -2.4 -48.9 55 178 12 51 00 13 00 00 --- 14 28 18 63.4 106.8 -2.3 -48.1 540 213 12 51 01 13 09 00 J2031+1219 14 37 20 10.6 83.4 -5.9 -37.4 356 213 13 09 00 13 10 00 =2029+121 14 38 20 10.7 83.6 -5.9 -37.5 60 216 13 09 01 13 11 00 J2031+1219 14 39 20 10.9 83.8 -5.9 -37.5 56 216 13 11 00 13 20 00 =2029+121 14 48 22 12.2 85.6 -5.7 -37.6 540 251 13 11 01 13 21 00 J2031+1219 14 49 22 12.4 85.8 -5.7 -37.6 56 251 13 21 00 13 30 00 =2029+121 14 58 23 13.7 87.6 -5.6 -37.7 540 286 13 21 01 13 31 00 J2031+1219 14 59 24 13.9 87.8 -5.6 -37.7 56 286 13 31 00 13 40 00 =2029+121 15 08 25 15.2 89.6 -5.4 -37.7 540 321 13 31 01 13 41 00 J2031+1219 15 09 25 15.4 89.8 -5.4 -37.7 56 321 13 41 00 13 50 00 =2029+121 15 18 27 16.7 91.6 -5.2 -37.7 540 356 13 41 01 13 51 00 J2031+1219 15 19 27 16.9 91.8 -5.2 -37.7 56 356 13 51 00 14 00 00 =2029+121 15 28 28 18.2 93.6 -5.1 -37.7 540 390 13 51 01 Next scan frequencies: 6648.49 6648.49 Next BBC frequencies: 775.51 775.51 14 04 00 J2139+1423 15 32 29 10.5 79.7 -6.1 -37.4 174 390 14 04 00 14 10 00 =2136+141 15 38 30 11.3 80.9 -6.0 -37.6 360 414 14 04 01 Schedule for PICKMERE (Code Pi ) 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 2020 Day 289 --- 14 11 00 J2139+1423 15 39 30 11.5 81.1 -6.0 -37.6 56 414 14 11 00 14 20 00 =2136+141 15 48 32 12.8 82.9 -5.9 -37.8 540 448 14 11 01 14 21 00 J2139+1423 15 49 32 13.0 83.1 -5.8 -37.8 56 448 14 21 00 14 30 00 =2136+141 15 58 33 14.3 84.9 -5.7 -37.9 540 483 14 21 01 14 31 00 J2139+1423 15 59 33 14.5 85.1 -5.7 -38.0 56 483 14 31 00 14 40 00 =2136+141 16 08 35 15.8 86.8 -5.5 -38.1 540 518 14 31 01 14 41 00 J2139+1423 16 09 35 16.0 87.0 -5.5 -38.1 56 518 14 41 00 14 50 00 =2136+141 16 18 36 17.3 88.8 -5.4 -38.1 540 553 14 41 01 14 51 00 J2139+1423 16 19 37 17.5 89.0 -5.3 -38.1 56 553 14 51 00 15 00 00 =2136+141 16 28 38 18.8 90.8 -5.2 -38.1 540 587 14 51 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess320.M256 --- 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: 16 Station: PICKMERE Total bit rate: 512 Format: VDIF Bits per sample: 2 Sample rate:128.000 Number of channels: 2 DBE type: Speedup factor: 1.00 Disk used to record data. 1st LO= 7424.00 7424.00 Net SB= U U IF SB = L L Pol. = RCP LCP BBC = 1 9 BBC SB= L L IF = A1 B1 The following frequency sets based on these setups were used. Frequency Set: 13 Setup file default. Used with PCAL = off LO sum= 6635.49 6635.49 BBC fr= 788.51 788.51 Bandwd= 64.00 64.00 Matching frequency sets: 13 14 15 16 17 Track assignments are: track1= 1, 2 barrel=roll_off ======== Setup file: sess320.M2048 --- 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: 33 Station: PICKMERE Total bit rate: 512 Format: VDIF Bits per sample: 2 Sample rate:128.000 Number of channels: 2 DBE type: Speedup factor: 1.00 Disk used to record data. 1st LO= 7424.00 7424.00 Net SB= U U IF SB = L L Pol. = RCP LCP BBC = 1 9 BBC SB= L L IF = A1 B1 The following frequency sets based on these setups were used. Frequency Set: 30 Setup file default. Used with PCAL = off LO sum= 6648.49 6648.49 BBC fr= 775.51 775.51 Bandwd= 64.00 64.00 Matching frequency sets: 30 31 32 33 34 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) * 3C345 16 41 17.606229 * 16 42 58.809967 16 43 39.015698 0.79 J1642+3948 39 54 10.81492 * 39 48 36.99399 39 46 35.45561 0.59 1641+399 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc J1642+39 GSFC 2016a X/S astro solution, 53724 observations. 2029+121 20 29 32.681260 * 20 31 54.994267 20 32 53.370948 0.01 * J2031+1219 12 09 28.75299 * 12 19 41.34015 12 24 03.92963 0.02 J2031+12 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 4314 observations. 2136+141 21 36 37.412147 * 21 39 01.309269 21 40 00.702923 0.00 * J2139+1423 14 10 00.62101 * 14 23 35.99216 14 29 21.27720 0.00 J2139+14 /home/guest/rmc/SCHED/sched11.6/catalogs/sources.gsfc GSFC 2016a X/S astro solution, 53632 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 3C345 sess320.M256 1 2 3 4 5 6 7 8 12 13 0.917 124.667 J2031+1219 sess320.M256 1 2 3 4 5 6 7 8 12 13 0.767 104.000 J2139+1423 sess320.M2048 18 19 20 21 22 23 24 25 29 + 0.850 114.000 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) 3C345 67.0 J2031+1219 108.6 J2139+1423 125.0 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