COVER INFORMATION Station: ZELENCHK (Code Zc ) Experiment: Network Monitoring Experiment Exp. Code: N13X2 Schedule Version: 1.00 Processed by SCHED version: 10.20 Release of about July 12, 2012 PI: Jun YANG Address: JIVE Postbus 2 7990 AA Dwingeloo The Netherlands Phone: +31-521-596507 EMAIL: yang@jive.nl Fax: Phone during observation: +31-521-596507 Observing mode: Notes: 3.6cm NME for session 2/2013 512 Mbps, 2-bit sampling, 8 MHz filters **** No FTP Fringe Test **** Schedule for ZELENCHK (Code Zc ) 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 ---------------------------------------------------------------------------------------- --- Sun 9 Jun 2013 Day 160 --- Next scan frequencies: 8391.49 8391.49 8391.49 8391.49 8407.49 8407.49 8407.49 8407.49 8423.49 8423.49 8423.49 8423.49 8439.49 8439.49 8439.49 8439.49 Next BBC frequencies: 311.49 311.49 311.49 311.49 327.49 327.49 327.49 327.49 343.49 343.49 343.49 343.49 359.49 359.49 359.49 359.49 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 22 08 30 J1848+3219 18 08 30 76.1 502.0 -0.7 -31.8 0 0 22 08 30 22 10 30 =1846+322 18 10 30 76.3 503.5 -0.6 -30.6 120 8 22 08 31 22 11 00 J1849+3024 18 11 00 74.6 506.8 -0.6 -27.3 9 8 22 11 00 22 13 00 =1847+303 18 13 01 74.8 508.3 -0.6 -26.1 120 15 22 11 01 22 13 30 J1848+3219 18 13 31 76.6 505.9 -0.6 -28.7 10 15 22 13 30 22 15 30 =1846+322 18 15 31 76.8 507.5 -0.6 -27.3 120 23 22 13 31 22 16 00 J1849+3024 18 16 01 75.0 510.5 -0.6 -24.3 10 23 22 16 00 22 18 00 =1847+303 18 18 01 75.2 512.1 -0.5 -23.1 120 31 22 16 01 22 28 30 J1848+3219 18 28 33 77.9 519.1 -0.3 -17.7 612 31 22 28 30 22 30 30 =1846+322 18 30 34 78.0 521.0 -0.3 -16.1 120 39 22 28 31 22 31 00 J1849+3024 18 31 04 76.1 522.8 -0.3 -14.3 13 39 22 31 00 22 33 00 =1847+303 18 33 04 76.2 524.6 -0.3 -12.8 120 46 22 31 01 22 33 30 J1848+3219 18 33 34 78.2 524.0 -0.3 -13.6 13 46 22 33 30 22 35 30 =1846+322 18 35 34 78.3 526.0 -0.2 -11.9 120 54 22 33 31 22 36 00 J1849+3024 18 36 04 76.4 527.3 -0.2 -10.6 13 54 22 36 00 22 38 00 =1847+303 18 38 05 76.4 529.1 -0.2 -9.1 120 62 22 36 01 22 40 00 J1800+3848 18 40 05 81.1 599.2 0.7 D 52.8 28 62 22 40 00 22 48 00 =1758+388 18 48 06 79.8 604.7 0.8 56.9 0 93 22 40 01 22 48 30 J1848+3219 18 48 36 78.5 539.7 -0.0 -0.3 -56 93 22 48 30 22 50 30 =1846+322 18 50 37 78.5 541.8 0.0 1.6 64 101 22 48 31 22 51 00 J1849+3024 18 51 07 76.6 541.1 0.0 1.0 13 101 22 51 00 22 53 00 =1847+303 18 53 07 76.6 543.0 0.1 2.5 120 108 22 51 01 22 53 30 J1848+3219 18 53 37 78.5 545.0 0.1 4.3 13 108 22 53 30 22 55 30 =1846+322 18 55 38 78.5 547.1 0.1 6.1 120 116 22 53 31 22 56 00 J1849+3024 18 56 08 76.6 545.8 0.1 4.9 13 116 22 56 00 22 58 00 =1847+303 18 58 08 76.5 547.7 0.1 6.4 120 124 22 56 01 Schedule for ZELENCHK (Code Zc ) 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 ---------------------------------------------------------------------------------------- --- Sun 9 Jun 2013 Day 160 --- 23 00 00 J1800+3848 19 00 08 77.8 610.9 1.0 61.1 35 124 23 00 00 23 08 00 =1758+388 19 08 10 76.5 614.2 1.1 63.1 480 155 23 00 01 23 08 30 J1848+3219 19 08 40 77.9 560.3 0.3 17.3 -46 155 23 08 30 23 10 30 =1846+322 19 10 40 77.8 562.2 0.4 18.9 74 163 23 08 31 23 11 00 J1849+3024 19 11 10 76.0 559.3 0.4 16.0 9 163 23 11 00 23 13 00 =1847+303 19 13 10 75.9 561.0 0.4 17.4 120 170 23 11 01 23 13 30 J1848+3219 19 13 41 77.6 565.0 0.4 21.2 7 170 23 13 30 23 15 30 =1846+322 19 15 41 77.4 566.8 0.4 22.7 120 178 23 13 31 23 16 00 J1849+3024 19 16 11 75.7 563.5 0.4 19.5 8 178 23 16 00 23 18 00 =1847+303 19 18 11 75.5 565.1 0.5 20.8 120 186 23 16 01 23 20 00 J1800+3848 19 20 12 74.3 618.3 1.3 65.1 44 186 23 20 00 23 28 00 =1758+388 19 28 13 72.9 620.6 1.5 66.1 480 217 23 20 01 23 28 30 J1848+3219 19 28 43 76.1 577.6 0.7 31.4 -36 217 23 28 30 23 30 30 =1846+322 19 30 43 75.9 579.1 0.7 32.6 84 225 23 28 31 23 31 00 J1849+3024 19 31 13 74.3 574.9 0.7 28.6 7 225 23 31 00 23 33 00 =1847+303 19 33 14 74.1 576.3 0.7 29.7 120 232 23 31 01 23 33 30 J1848+3219 19 33 44 75.6 581.2 0.7 34.3 5 232 23 33 30 23 35 30 =1846+322 19 35 44 75.3 582.6 0.8 35.3 120 240 23 33 31 23 36 00 J1849+3024 19 36 14 73.8 578.3 0.8 31.3 6 240 23 36 00 23 38 00 =1847+303 19 38 15 73.6 579.6 0.8 32.3 120 248 23 36 01 23 40 00 J1800+3848 19 40 15 70.8 623.6 1.7 67.0 53 248 23 40 00 23 48 00 =1758+388 19 48 16 69.3 625.3 1.8 67.4 480 279 23 40 01 23 48 30 J1848+3219 19 48 46 73.6 590.7 1.0 41.4 -29 279 23 48 30 23 50 30 =1846+322 19 50 47 73.3 591.8 1.0 42.2 91 286 23 48 31 23 51 00 J1849+3024 19 51 17 71.9 587.4 1.0 38.0 6 286 23 51 00 23 53 00 =1847+303 19 53 17 71.7 588.5 1.1 38.8 120 294 23 51 01 23 53 30 J1848+3219 19 53 47 72.9 593.4 1.1 43.3 5 294 23 53 30 23 55 30 =1846+322 19 55 47 72.6 594.4 1.1 44.0 120 302 23 53 31 23 56 00 J1849+3024 19 56 18 71.3 590.1 1.1 39.9 6 302 23 56 00 23 58 00 =1847+303 19 58 18 71.0 591.1 1.1 40.6 120 310 23 56 01 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess213.X512 Matching groups in /aps3/sched10.2/catalogs/freq.dat: kvzr_x Added by Des Small, 24 February 2012 Setup group: 7 Station: ZELENCHK Total bit rate: 512 Format: MARK5B Bits per sample: 2 Sample rate: 16.000 Number of channels: 16 DBE type: Speedup factor: 1.00 Disk used to record data. 1st LO= 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 8080.00 Net SB= L L U U L L U U L L U U L L U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 9 1 9 2 10 2 10 3 11 3 11 4 12 4 12 BBC SB= L L U U L L U U L L U U L L U U IF = A B A B A B A B A B A B A B A B The following frequency sets based on these setups were used. Frequency Set: 7 Setup file default. LO sum= 8391.49 8391.49 8391.49 8391.49 8407.49 8407.49 8407.49 8407.49 8423.49 8423.49 8423.49 8423.49 8439.49 8439.49 8439.49 8439.49 BBC fr= 311.49 311.49 311.49 311.49 327.49 327.49 327.49 327.49 343.49 343.49 343.49 343.49 359.49 359.49 359.49 359.49 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: 7 8 15 Track assignments are: track1= 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32 barrel=roll_off SOURCES USED IN RECORDING SCANS -- Network Monitoring Experiment Catalog positions marked with *. Precession of date coordinates is based on stop time of first scan. Names used in schedule marked with *. Short names used in VLA and SNAP files marked with +. Observation date used in B1950/J2000 coordinate conversion (PRECDATE): 1979.900 No adjustments are made for rates (DRA, DDEC). Scan hours are for recording scans only. Baseline hours are only counted for scans above horizon at both ends. Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * J1800+3848 17 58 44.703952 * 18 00 24.765361 18 00 53.821924 0.13 1758+388 38 48 32.47341 * 38 48 30.69739 38 48 35.05194 0.10 J1800+38 /aps3/sched10.2/catalogs/sources.vlba rfc_2012b Petrov, 2012, unpublished 2965 observations 0.800 scan and 71.200 baseline hours in setup: sess213.X512 Frequency sets (dups not shown): 1 2 3 4 5 6 7 9 10 11 12 14 * J1848+3219 18 46 29.612036 * 18 48 22.088579 18 48 54.373824 0.12 1846+322 32 15 36.66028 * 32 19 02.60368 32 20 01.82764 0.10 /aps3/sched10.2/catalogs/sources.vlba rfc_2012b Petrov, 2012, unpublished 6645 observations 0.400 scan and 39.345 baseline hours in setup: sess213.X512 Frequency sets (dups not shown): 1 2 3 4 5 6 7 9 10 11 12 14 * J1849+3024 18 47 24.599820 * 18 49 20.103406 18 49 53.181190 0.19 1847+303 30 20 44.26585 * 30 24 14.23712 30 25 14.74499 0.34 /aps3/sched10.2/catalogs/sources.vlba rfc_2012b Petrov, 2012, unpublished 126 observations 0.400 scan and 41.988 baseline hours in setup: sess213.X512 Frequency sets (dups not shown): 1 2 3 4 5 6 7 9 10 11 12 14 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) J1800+3848 117.2 J1848+3219 120.1 J1849+3024 121.8 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