COVER INFORMATION Station: NT_DBBC (Code Nd ) 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 NT_DBBC (Code Nd ) 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 00 00 J1800+3848 16 13 40 68.8 76.6 -1.8 -86.8 0 0 22 00 00 22 08 00 =1758+388 16 21 42 70.4 76.8 -1.7 -87.9 480 31 22 00 01 22 08 30 J1848+3219 16 22 12 59.7 87.6 -2.4 -71.1 7 31 22 08 30 22 10 30 =1846+322 16 24 12 60.1 87.9 -2.4 -71.1 120 39 22 08 31 22 11 00 J1849+3024 16 24 42 59.3 91.3 -2.4 -68.0 23 39 22 11 00 22 13 00 =1847+303 16 26 42 59.7 91.7 -2.4 -68.0 120 46 22 11 01 22 13 30 J1848+3219 16 27 12 60.7 88.3 -2.4 -71.1 23 46 22 13 30 22 15 30 =1846+322 16 29 13 61.1 88.6 -2.3 -71.2 120 54 22 13 31 22 16 00 J1849+3024 16 29 43 60.3 92.2 -2.3 -68.0 23 54 22 16 00 22 18 00 =1847+303 16 31 43 60.7 92.5 -2.3 -67.9 120 62 22 16 01 22 20 00 J1800+3848 16 33 44 72.7 76.9 -1.5 -89.6 95 62 22 20 00 22 28 00 =1758+388 16 41 45 74.3 76.9 -1.3 -90.9 480 93 22 20 01 22 28 30 J1848+3219 16 42 15 63.7 90.5 -2.1 -71.2 7 93 22 28 30 22 30 30 =1846+322 16 44 15 64.1 90.8 -2.1 -71.2 120 101 22 28 31 22 31 00 J1849+3024 16 44 45 63.3 94.7 -2.1 -67.6 23 101 22 31 00 22 33 00 =1847+303 16 46 46 63.7 95.1 -2.1 -67.5 120 108 22 31 01 22 33 30 J1848+3219 16 47 16 64.7 91.3 -2.0 -71.2 23 108 22 33 30 22 35 30 =1846+322 16 49 16 65.1 91.6 -2.0 -71.1 120 116 22 33 31 22 36 00 J1849+3024 16 49 46 64.3 95.7 -2.0 -67.4 22 116 22 36 00 22 38 00 =1847+303 16 51 46 64.7 96.1 -2.0 -67.3 120 124 22 36 01 22 40 00 J1800+3848 16 53 47 76.6 76.6 -1.1 -93.1 91 124 22 40 00 22 48 00 =1758+388 17 01 48 78.2 76.1 -1.0 -94.8 480 155 22 40 01 22 48 30 J1848+3219 17 02 18 67.7 93.8 -1.8 -70.8 3 155 22 48 30 22 50 30 =1846+322 17 04 19 68.1 94.2 -1.7 -70.8 120 163 22 48 31 22 51 00 J1849+3024 17 04 49 67.3 98.8 -1.8 -66.5 22 163 22 51 00 22 53 00 =1847+303 17 06 49 67.7 99.2 -1.7 -66.3 120 170 22 51 01 Schedule for NT_DBBC (Code Nd ) 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 --- 22 53 30 J1848+3219 17 07 19 68.7 94.8 -1.7 -70.6 22 170 22 53 30 22 55 30 =1846+322 17 09 19 69.1 95.2 -1.7 -70.5 120 178 22 53 31 22 56 00 J1849+3024 17 09 49 68.3 99.9 -1.7 -66.0 21 178 22 56 00 22 58 00 =1847+303 17 11 50 68.7 100.4 -1.6 -65.8 120 186 22 56 01 23 00 00 J1800+3848 17 13 50 80.5 74.7 -0.8 -98.1 82 186 23 00 00 23 08 00 =1758+388 17 21 51 82.1 73.0 -0.7 -101.1 480 217 23 00 01 23 08 30 J1848+3219 17 22 21 71.7 97.9 -1.4 -69.7 -7 217 23 08 30 23 10 30 =1846+322 17 24 22 72.1 98.4 -1.4 -69.5 113 225 23 08 31 23 11 00 J1849+3024 17 24 52 71.2 103.9 -1.4 -64.2 21 225 23 11 00 23 13 00 =1847+303 17 26 52 71.6 104.5 -1.4 -63.9 120 232 23 11 01 23 13 30 J1848+3219 17 27 22 72.7 99.2 -1.4 -69.2 20 232 23 13 30 23 15 30 =1846+322 17 29 23 73.1 99.7 -1.3 -69.0 120 240 23 13 31 23 16 00 J1849+3024 17 29 53 72.2 105.4 -1.3 -63.4 20 240 23 16 00 23 18 00 =1847+303 17 31 53 72.6 106.0 -1.3 -63.1 120 248 23 16 01 23 20 00 J1800+3848 17 33 53 84.3 68.0 -0.5 -107.8 66 248 23 20 00 23 28 00 =1758+388 17 41 55 85.8 61.3 -0.3 D -115.8 0 279 23 20 01 23 28 30 J1848+3219 17 42 25 75.6 103.5 -1.1 -67.0 -31 279 23 28 30 23 30 30 =1846+322 17 44 25 76.0 104.2 -1.1 -66.6 89 286 23 28 31 23 31 00 J1849+3024 17 44 55 75.0 110.8 -1.1 -60.1 19 286 23 31 00 23 33 00 =1847+303 17 46 56 75.4 111.7 -1.0 -59.5 120 294 23 31 01 23 33 30 J1848+3219 17 47 26 76.6 105.3 -1.0 -66.0 19 294 23 33 30 23 35 30 =1846+322 17 49 26 77.0 106.0 -1.0 -65.5 120 302 23 33 31 23 36 00 J1849+3024 17 49 56 76.0 113.0 -1.0 -58.6 18 302 23 36 00 23 38 00 =1847+303 17 51 56 76.3 114.0 -1.0 -57.9 120 310 23 36 01 23 48 30 J1848+3219 18 02 28 79.4 112.0 -0.8 -61.4 618 310 23 48 30 23 50 30 =1846+322 18 04 28 79.8 113.2 -0.7 -60.5 120 317 23 48 31 23 51 00 J1849+3024 18 04 58 78.7 121.4 -0.7 -52.3 17 317 23 51 00 23 53 00 =1847+303 18 06 59 79.0 122.8 -0.7 -51.2 120 325 23 51 01 23 53 30 J1848+3219 18 07 29 80.3 115.0 -0.7 -59.1 17 325 23 53 30 23 55 30 =1846+322 18 09 29 80.7 116.4 -0.7 -58.0 120 333 23 53 31 Schedule for NT_DBBC (Code Nd ) Page 4 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 56 00 J1849+3024 18 09 59 79.5 125.0 -0.7 -49.4 16 333 23 56 00 23 58 00 =1847+303 18 12 00 79.8 126.6 -0.6 -48.1 120 341 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 --- 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: NT_DBBC 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 5 1 5 2 6 2 6 3 7 3 7 4 8 4 8 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: 12 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: 12 13 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