COVER INFORMATION Station: SHANGHAI (Code Sh ) Experiment: Exploring the obscured nucleus of the Sy2 IRAS15480-0344 Exp. Code: EC047B Schedule Version: 1.00 Processed by SCHED version: 11.30 Release of April 4, 2014 PI: Paola Castangia Address: INAF-Osservatorio Astronomico di Cagliari Via della Scienza 5 09047 - Selargius (CA) Italy Phone: +39 070 71180230 EMAIL: pcastang@oa-cagliari.inaf.it Fax: +39 070 71180222 Phone during observation: Observing mode: 6cm, continuum Notes: This is a PHASE REF experiment, DO NOT INTERRUPT SCAN SEQUENCE Schedule for SHANGHAI (Code Sh ) Page 2 Exploring the obscured nucleus of the Sy2 IRAS15480-0344 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 ---------------------------------------------------------------------------------------- --- Wed 11 Mar 2015 Day 70 --- Next scan frequencies: 4942.49 4942.49 4942.49 4942.49 4974.49 4974.49 4974.49 4974.49 5006.49 5006.49 5006.49 5006.49 5038.49 5038.49 5038.49 5038.49 Next BBC frequencies: 742.49 742.49 742.49 742.49 774.49 774.49 774.49 774.49 806.49 806.49 806.49 806.49 838.49 838.49 838.49 838.49 Next scan bandwidths: 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 01 00 00 3C345 20 18 19 46.1 -63.2 3.6 84.0 0 0 01 00 00 01 05 00 --- 20 23 20 45.1 -63.0 3.7 83.3 300 38 01 00 01 01 05 30 J1555-0326 20 23 50 17.7 254.5 4.5 W 55.8 -292 38 01 05 30 01 09 00 =1552-033 20 27 21 17.0 255.0 4.5 W 56.0 0 65 01 05 31 01 09 00 IRAS15480 20 27 21 15.7 255.3 4.6 56.1 -6 65 No stop 01 12 00 --- 20 30 21 15.1 255.8 4.6 56.3 174 88 01 09 01 01 12 30 J1555-0326 20 30 51 16.3 255.5 4.6 56.2 24 88 01 12 30 01 14 30 =1552-033 20 32 52 15.8 255.8 4.6 56.3 120 104 01 12 31 01 14 30 IRAS15480 20 32 52 14.6 256.1 4.7 56.4 -6 104 No stop 01 17 30 --- 20 35 52 14.0 256.5 4.7 56.6 174 127 01 14 31 01 17 30 J1555-0326 20 35 52 15.2 256.2 4.7 56.4 -6 127 No stop 01 19 30 =1552-033 20 37 52 14.8 256.5 4.7 56.5 114 142 01 17 31 01 19 30 IRAS15480 20 37 52 13.6 256.8 4.8 56.7 -6 142 No stop 01 22 30 --- 20 40 53 12.9 257.3 4.8 56.8 174 165 01 19 31 01 23 00 J1555-0326 20 41 23 14.1 257.0 4.8 56.7 24 165 01 23 00 01 25 00 =1552-033 20 43 23 13.6 257.3 4.8 56.8 120 181 01 23 01 01 25 00 IRAS15480 20 43 23 12.4 257.6 4.9 57.0 -6 181 No stop 01 28 00 --- 20 46 24 11.8 258.0 4.9 57.1 174 204 01 25 01 01 28 00 J1555-0326 20 46 24 13.0 257.7 4.8 57.0 -6 204 No stop 01 30 00 =1552-033 20 48 24 12.6 258.0 4.9 57.1 114 219 01 28 01 01 30 00 IRAS15480 20 48 24 11.3 258.3 4.9 57.2 -6 219 No stop 01 33 00 --- 20 51 25 10.7 258.7 5.0 57.3 174 242 01 30 01 01 33 30 J1555-0326 20 51 55 11.9 258.5 4.9 57.2 24 242 01 33 30 01 35 30 =1552-033 20 53 55 11.4 258.8 5.0 57.3 120 258 01 33 31 01 35 30 IRAS15480 20 53 55 10.2 259.1 5.0 57.4 -6 258 No stop 01 38 30 --- 20 56 56 9.6 259.5 5.1 57.5 174 281 01 35 31 Schedule for SHANGHAI (Code Sh ) Page 3 Exploring the obscured nucleus of the Sy2 IRAS15480-0344 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 ---------------------------------------------------------------------------------------- --- Wed 11 Mar 2015 Day 70 --- 01 38 30 J1555-0326 20 56 56 10.8 259.2 5.0 57.4 -6 281 No stop 01 40 30 =1552-033 20 58 56 10.4 259.5 5.0 57.5 114 296 01 38 31 01 40 30 IRAS15480 20 58 56 9.1 259.7 5.1 57.6 -6 296 No stop 01 43 30 --- 21 01 56 8.5 260.1 5.2 57.7 174 319 01 40 31 01 44 00 J1555-0326 21 02 26 9.7 259.9 5.1 57.6 24 319 01 44 00 01 46 00 =1552-033 21 04 27 9.2 260.2 5.1 57.7 120 335 01 44 01 01 46 00 IRAS15480 21 04 27 8.0 260.5 5.2 57.8 -6 335 No stop 01 49 00 --- 21 07 27 7.3 260.9 5.3 57.9 174 358 01 46 01 01 49 00 J1555-0326 21 07 27 8.6 260.6 5.2 57.8 -6 358 No stop 01 51 00 =1552-033 21 09 28 8.2 260.9 5.2 57.9 114 373 01 49 01 01 51 00 IRAS15480 21 09 28 6.9 261.1 5.3 58.0 -6 373 No stop 01 54 00 --- 21 12 28 6.3 261.5 5.3 58.1 174 396 01 51 01 01 54 30 J1555-0326 21 12 58 7.4 261.4 5.3 58.0 24 396 01 54 30 01 56 30 =1552-033 21 14 59 7.0 261.6 5.3 58.1 120 412 01 54 31 01 56 30 IRAS15480 21 14 59 5.7 261.9 5.4 58.2 -6 412 No stop 01 59 30 --- 21 17 59 5.1 262.3 5.4 58.3 174 435 01 56 31 01 59 30 J1555-0326 21 17 59 6.4 262.0 5.4 58.2 -6 435 No stop 02 01 30 =1552-033 21 19 59 5.9 262.3 5.4 58.2 114 450 01 59 31 02 05 00 J1555-0326 21 23 30 5.2 262.7 5.5 58.3 208 450 02 05 00 02 07 00 =1552-033 21 25 30 4.8 263.0 5.5 D 58.4 0 465 02 05 01 03 20 00 J1751+0939 22 38 42 20.7 268.9 4.8 60.3 4324 465 03 20 00 03 25 00 =1749+096 22 43 43 19.6 269.6 4.9 60.3 300 504 03 20 01 05 32 30 J2005+7752 00 51 34 34.2 346.1 4.8 100.8 7566 504 05 32 30 05 39 00 =2007+777 00 58 05 33.8 346.0 4.9 99.2 390 554 05 32 31 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. ======== Setup file: sess115.C1024 Matching groups in /home/atarchi/sched11.3/catalogs/freq_RDBE.dat: sh6cm Update freq. range AnTao 22Mar08 Setup group: 7 Station: SHANGHAI Total bit rate: 1024 Format: MARK5B Bits per sample: 2 Sample rate: 32.000 Number of channels: 16 DBE type: Speedup factor: 1.00 Disk used to record data. 1st LO= 4200.00 4200.00 4200.00 4200.00 4200.00 4200.00 4200.00 4200.00 4200.00 4200.00 4200.00 4200.00 4200.00 4200.00 4200.00 4200.00 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 2 1 2 3 4 3 4 5 6 5 6 7 8 7 8 BBC SB= L L U U L L U U L L U U L L U U IF = C A C A C A C A C A C A C A C A The following frequency sets based on these setups were used. Frequency Set: 13 Setup file default. Used with PCAL = off LO sum= 4942.49 4942.49 4942.49 4942.49 4974.49 4974.49 4974.49 4974.49 5006.49 5006.49 5006.49 5006.49 5038.49 5038.49 5038.49 5038.49 BBC fr= 742.49 742.49 742.49 742.49 774.49 774.49 774.49 774.49 806.49 806.49 806.49 806.49 838.49 838.49 838.49 838.49 Bandwd= 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 Matching frequency sets: 13 Track assignments are: track1= 18, 20, 2, 4, 22, 24, 6, 8, 26, 28, 10, 12, 30, 32, 14, 16 barrel=roll_off POSITIONS OF SOURCES USED IN RECORDING SCANS Source Source position (RA/Dec) Error (B1950) (J2000) (Date) (mas) * IRAS15480 15 48 03.967267 * 15 50 41.498000 15 51 30.074602 0.00 -03 44 17.32904 *-03 53 18.05000 -03 56 00.72773 0.00 From catalog imbedded in main SCHED input file. Severgnini et al. (2012) * J1555-0326 15 52 53.605530 * 15 55 30.748133 15 56 19.176439 0.18 1552-033 -03 18 06.67875 *-03 26 49.51953 -03 29 26.75820 0.36 /home/atarchi/sched11.3/catalogs/sources.vlba rfc_2012b Petrov, 2012, unpublished 81 observations J1642+3948 16 41 17.606228 * 16 42 58.809965 16 43 29.755859 0.77 * 3C345 39 54 10.81496 * 39 48 36.99402 39 46 46.31309 0.52 1641+399 /home/atarchi/sched11.3/catalogs/sources.vlba J1642+39 GSFC 2011B astro solution 52621 Observations * J1751+0939 17 49 10.387929 * 17 51 32.818572 17 52 16.066169 0.10 1749+096 09 39 42.82574 * 09 39 00.72829 09 38 47.42777 0.10 J1751+09 /home/atarchi/sched11.3/catalogs/sources.vlba rfc_2012b Petrov, 2012, unpublished 133560 observations * J2005+7752 20 07 20.430170 * 20 05 30.998498 20 04 53.919919 0.48 2007+777 77 43 58.12300 * 77 52 43.24753 77 55 14.26147 0.10 J2005+77 /home/atarchi/sched11.3/catalogs/sources.vlba rfc_2012b Petrov, 2012, unpublished 16337 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 IRAS15480 sess115.C1024 1 2 3 4 5 6 7 8 10 12 13 3.100 149.375 J1555-0326 sess115.C1024 1 2 3 4 5 6 7 8 10 12 13 2.125 105.622 3C345 sess115.C1024 1 2 3 4 5 6 7 8 10 12 13 0.083 6.500 J1751+0939 sess115.C1024 1 2 3 4 5 6 7 8 10 12 13 0.083 6.429 J2005+7752 sess115.C1024 1 2 3 4 5 6 7 8 10 12 13 0.108 7.002 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) IRAS15480 112.8 J1555-0326 111.6 3C345 100.3 J1751+0939 83.7 J2005+7752 86.0 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