COVER INFORMATION Station: GBT_VLBA (Code Gb ) Experiment: Jet and counter-jet emission in NGC315 Exp. Code: BG170A Schedule Version: 3.00 Processed by SCHED version: 6.05 June 2006 PI: Gabriele Giovannini Address: Istituto di Radioastronomia Via Gobetti 101 I-40129 Bologna Italy Phone: +39 051 639 9415 EMAIL: ggiovann@ira.inaf.it Fax: +39 051 639 9431 Phone during observation: +39 051 639 9415 Observing mode: Continuum Notes: Contact person in Socorro is Joan Wrobel Please verify frequency setup, ***particularly at Eb, VLA27*** We would like to use Y27 data to obtain also a VLA only image Schedule for GBT_VLBA (Code Gb ) Page 2 Jet and counter-jet emission in NGC315 UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Sun 2 Dec 2007 Day 336 --- Next scan frequencies: 4958.49 4958.49 4974.49 4974.49 4990.49 4990.49 5006.49 5006.49 Next BBC frequencies: 641.51 641.51 625.51 625.51 609.51 609.51 593.51 593.51 Next scan bandwidths: 16.00 16.00 16.00 16.00 16.00 16.00 16.00 16.00 22 45 00 NGC0315 22 11 13 54.9 90.4 -2.8 -65.3 0 1 1 0 22 45 00 22 54 53 --- 22 21 08 56.9 92.0 -2.6 -65.2 593 F 1 38 22 45 18 22 54 53 NGC0315 22 21 08 56.9 92.0 -2.6 -65.2 -20 1 1 38 22 54 53 23 04 53 --- 22 31 09 58.8 93.7 -2.5 -65.0 580 F 1 77 22 54 53 23 04 53 J2253+1608 22 31 09 67.2 165.5 -0.4 -11.8 -152 1 1 77 23 04 53 23 14 53 =2251+158 22 41 11 67.6 171.7 -0.2 -6.8 448 F 1 116 23 04 53 23 14 53 J0136+4751 22 41 11 57.0 58.8 -2.9 -90.1 -220 1 1 116 23 14 53 23 19 53 =0133+476 22 46 12 57.8 58.8 -2.9 -91.0 80 F 1 135 23 14 53 23 19 53 3C48 22 46 12 55.1 85.1 -2.9 -68.9 -76 1 1 135 23 19 53 23 24 53 --- 22 51 13 56.0 85.8 -2.8 -69.0 224 F 1 154 23 19 53 23 24 53 NGC0315 22 51 13 62.7 97.5 -2.1 -64.2 -51 1 1 154 23 24 53 23 59 53 --- 23 26 18 69.5 106.1 -1.5 -60.8 2049 F 1 290 23 24 53 --- Start: Sun 2 Dec 2007 Day 336 -- Stop: Mon 3 Dec 2007 Day 337 --- 23 59 53 3C48 23 26 18 62.9 90.9 -2.2 -69.4 -57 1 1 290 23 59 53 00 04 53 --- 23 31 19 63.9 91.8 -2.1 -69.4 243 F 1 309 23 59 53 00 04 53 J0136+4751 23 31 19 65.3 57.2 -2.1 -100.9 -90 1 1 309 00 04 53 00 09 53 =0133+476 23 36 20 66.2 56.8 -2.0 -102.2 210 F 1 329 00 04 53 00 09 53 NGC0315 23 36 20 71.3 109.3 -1.4 -59.0 -120 1 1 329 00 09 53 00 44 53 --- 00 11 26 77.5 126.3 -0.8 -47.0 1980 F 1 464 00 09 53 00 44 53 J0136+4751 00 11 26 71.8 51.8 -1.4 -113.4 -156 1 1 464 00 44 53 00 49 53 =0133+476 00 16 27 72.5 50.7 -1.4 -115.4 144 F 1 483 00 44 53 00 49 53 3C48 00 16 27 72.7 101.3 -1.4 -66.6 -116 1 1 483 00 49 53 00 54 53 --- 00 21 27 73.6 102.8 -1.3 -65.9 184 F 1 503 00 49 53 Schedule for GBT_VLBA (Code Gb ) Page 3 Jet and counter-jet emission in NGC315 UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Mon 3 Dec 2007 Day 337 --- 00 54 53 NGC0315 00 21 27 79.0 133.9 -0.6 -40.9 -84 1 1 503 00 54 53 01 29 53 --- 00 56 33 82.0 177.4 0.0 -2.4 2016 F 1 638 00 54 53 01 29 53 3C48 00 56 33 80.1 118.7 -0.7 -55.2 -130 1 1 638 01 29 53 01 34 53 --- 01 01 34 80.9 122.4 -0.6 -52.2 170 F 1 658 01 29 53 01 34 53 J0136+4751 01 01 34 78.5 31.7 -0.6 -142.2 -183 1 1 658 01 34 53 01 39 53 =0133+476 01 06 35 79.0 28.2 -0.5 -146.5 117 F 1 677 01 34 53 ---------- GBT pointing scan. ---------- Next scan frequencies: 22196.49 22196.49 22212.49 22212.49 22228.49 22228.49 22244.49 22244.49 Next BBC frequencies: 696.49 696.49 712.49 712.49 728.49 728.49 744.49 744.49 01 49 53 3C48 01 16 36 83.2 138.5 -0.4 -38.3 384 1 1 677 Stopped 01 57 53 --- 01 24 38 84.1 151.3 -0.2 -26.7 480 S 1 708 01 57 53 NGC0315 01 24 38 80.3 216.0 0.4 32.3 -140 1 1 708 01 57 53 02 32 53 --- 01 59 44 75.0 242.2 1.0 53.4 1960 F 1 843 01 58 11 02 33 17 NGC0315 02 00 07 75.0 242.4 1.0 53.6 0 1 1 843 02 33 17 02 35 47 --- 02 02 38 74.5 243.6 1.1 54.4 150 F 1 853 02 33 35 02 36 18 3C48 02 03 10 82.7 226.0 0.4 42.3 -30 1 1 853 02 36 18 02 41 18 --- 02 08 10 82.0 231.6 0.5 47.2 270 F 1 872 02 36 36 02 44 34 J0136+4751 02 11 26 78.7 329.7 0.6 143.8 0 1 1 872 02 44 34 02 47 04 =0133+476 02 13 57 78.4 328.0 0.6 141.7 150 F 1 882 02 44 52 02 47 04 J0136+4751 02 13 57 78.4 328.0 0.6 141.7 -20 1 1 882 02 47 04 02 52 04 =0133+476 02 18 58 77.9 324.8 0.7 137.7 280 F 1 901 02 47 04 02 55 31 3C84 02 22 25 78.5 429.8 -1.0 -100.9 0 1 1 901 02 55 31 02 58 01 --- 02 24 55 78.9 429.3 -0.9 -101.8 150 F 1 911 02 55 49 02 58 01 3C84 02 24 55 78.9 429.3 -0.9 -101.8 -20 1 1 911 02 58 01 03 06 01 --- 02 32 57 80.4 427.3 -0.8 -105.0 460 F 1 942 02 58 01 ---------- GBT pointing scan. ---------- 03 11 26 3C48 02 38 23 76.7 251.4 1.0 62.5 0 1 1 942 Stopped 03 19 26 --- 02 46 24 75.2 254.5 1.1 64.4 480 S 1 973 Schedule for GBT_VLBA (Code Gb ) Page 4 Jet and counter-jet emission in NGC315 UP: D => Below limits; H => Below horizon mask. blank => Up. Early: Seconds between end of slew and start. Dwell: On source seconds. Tapes: Drive, Index, Start footage / Direction, Head Group, End footage. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) SYNC ---------------------------------------------------------------------------------------- --- Mon 3 Dec 2007 Day 337 --- 03 19 26 NGC0315 02 46 24 66.4 258.3 1.8 62.8 -55 1 1 973 03 19 26 03 44 26 --- 03 11 28 61.6 263.8 2.2 64.5 1445 F 1 1070 03 19 44 03 44 48 NGC0315 03 11 51 61.5 263.8 2.2 64.5 0 1 1 1070 03 44 48 03 47 18 --- 03 14 21 61.0 264.3 2.3 64.7 150 F 1 1079 03 45 06 03 50 34 3C48 03 17 37 69.2 263.0 1.7 68.3 142 1 1 1079 03 50 34 03 54 34 --- 03 21 38 68.5 263.9 1.7 68.6 240 F 1 1095 03 50 52 03 56 33 J0136+4751 03 23 38 68.6 304.8 1.8 106.4 19 1 1 1095 03 56 33 03 59 03 =0133+476 03 26 08 68.2 304.5 1.8 105.7 150 F 1 1105 03 56 51 04 00 23 J0136+4751 03 27 28 68.0 304.4 1.8 105.3 56 1 1 1105 04 00 23 04 04 23 =0133+476 03 31 29 67.3 303.9 1.9 104.1 240 F 1 1120 04 00 41 04 04 23 NGC0315 03 31 29 57.6 267.4 2.6 65.1 -93 1 1 1120 04 04 23 04 27 08 --- 03 54 18 53.2 271.0 2.9 65.2 1272 F 1 1208 04 04 23 04 27 31 NGC0315 03 54 40 53.1 271.1 2.9 65.2 0 1 1 1208 04 27 31 04 30 01 --- 03 57 11 52.6 271.5 3.0 65.2 150 F 1 1218 04 27 49 04 32 07 J0136+4751 03 59 17 62.7 301.9 2.4 97.1 44 1 1 1218 04 32 07 04 36 07 =0133+476 04 03 18 62.1 301.7 2.4 96.2 240 F 1 1233 04 32 25 04 38 30 3C48 04 05 41 59.8 271.5 2.5 69.4 60 1 1 1233 04 38 30 04 41 00 --- 04 08 12 59.4 271.8 2.5 69.3 150 F 1 1243 04 38 48 04 41 00 3C48 04 08 12 59.4 271.8 2.5 69.3 -20 1 1 1243 04 41 00 04 45 00 --- 04 12 12 58.6 272.4 2.6 69.3 220 F 1 1259 04 41 00 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: my6cm.set Matches group gbt6cm in /home/arana/cwalker/sched/catalogs/freq.dat LO1=7.850, LO2=12.75, LO3=10.5 Setup group: 11 Station: GBT_VLBA Total bit rate: 512 Format: VLBA1:4 Bits per sample: 2 Sample rate: 32.000 Number of channels: 8 Speedup factor: 1.00 Disk used to record data. 1st LO= 5600.00 5600.00 5600.00 5600.00 5600.00 5600.00 5600.00 5600.00 Net SB= U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 2 3 4 5 6 7 8 BBC SB= L L L L L L L L IF = A C A C A C A C The following frequency sets based on this setup were used. Frequency Set: 10 Setup file default. Used pcal sets: 1 LO sum= 4958.49 4958.49 4974.49 4974.49 4990.49 4990.49 5006.49 5006.49 BBC fr= 641.51 641.51 625.51 625.51 609.51 609.51 593.51 593.51 Bandwd= 16.000 16.000 16.000 16.000 16.000 16.000 16.000 16.000 The following pulse cal sets were used with this setup: Pulse cal detection set: 1 PCAL = 1MHZ PCALXB1= S1 S3 S5 S7 S1 S3 S5 S7 PCALXB2= S2 S4 S6 S8 S2 S4 S6 S8 PCALFR1= 510 510 510 510 13510 13510 13510 13510 PCALFR2= 510 510 510 510 13510 13510 13510 13510 Track assignments are: track1= 2, 18, 3, 19, 66, 82, 67, 83 barrel=roll_off Setup file: my1cm.set Matches group gbt1cm_b3 in /home/arana/cwalker/sched/catalogs/freq.dat LO1=16.25, LO2=15.75, LO3=10.5 Setup group: 24 Station: GBT_VLBA Total bit rate: 512 Format: VLBA1:4 Bits per sample: 2 Sample rate: 32.000 Number of channels: 8 Speedup factor: 1.00 Disk used to record data. 1st LO= 21500.00 21500.00 21500.00 21500.00 21500.00 21500.00 21500.00 21500.00 Net SB= U U U U U U U U Pol. = RCP LCP RCP LCP RCP LCP RCP LCP BBC = 1 2 3 4 5 6 7 8 BBC SB= U U U U U U U U IF = A C A C A C A C The following frequency sets based on this setup were used. Frequency Set: 27 Setup file default. Used pcal sets: 1 LO sum= 22196.49 22196.49 22212.49 22212.49 22228.49 22228.49 22244.49 22244.49 BBC fr= 696.49 696.49 712.49 712.49 728.49 728.49 744.49 744.49 Bandwd= 16.000 16.000 16.000 16.000 16.000 16.000 16.000 16.000 The following pulse cal sets were used with this setup: Pulse cal detection set: 1 PCAL = 1MHZ PCALXB1= S1 S3 S5 S7 S1 S3 S5 S7 PCALXB2= S2 S4 S6 S8 S2 S4 S6 S8 PCALFR1= 510 510 510 510 13510 13510 13510 13510 PCALFR2= 510 510 510 510 13510 13510 13510 13510 Track assignments are: track1= 2, 18, 3, 19, 66, 82, 67, 83 barrel=roll_off SOURCE LIST -- Jet and counter-jet emission in NGC315 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) J0057+3021 00 55 05.631044 * 00 57 48.883349 00 58 15.809282 0.24 0055+300 30 04 57.07689 * 30 21 08.81201 30 23 58.32595 0.41 J0057+30 /home/arana/cwalker/sched/catalogs/sources.vlba * NGC0315 VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro 3.754 scan hours, 256.843 baseline hours above horizon. * J0136+4751 01 33 55.103062 * 01 36 58.594807 01 37 29.137842 0.30 0133+476 47 36 12.85368 * 47 51 29.10007 47 54 12.70916 0.40 J0136+47 /home/arana/cwalker/sched/catalogs/sources.vlba VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro 0.800 scan hours, 45.676 baseline hours above horizon. J0137+3309 01 34 49.826430 * 01 37 41.299496 01 38 09.801746 0.90 0134+329 32 54 20.25964 * 33 09 35.13382 33 12 16.01262 0.91 * 3C48 /home/arana/cwalker/sched/catalogs/sources.vlba J0137+33 VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro 0.700 scan hours, 42.139 baseline hours above horizon. J0319+4130 03 16 29.567289 * 03 19 48.160119 03 20 21.662350 0.28 0316+413 41 19 51.91677 * 41 30 42.10389 41 32 39.05222 0.41 * 3C84 /home/arana/cwalker/sched/catalogs/sources.vlba J0319+41 VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro 0.175 scan hours, 12.995 baseline hours above horizon. * J2253+1608 22 51 29.519744 * 22 53 57.747943 22 54 21.538224 0.31 2251+158 15 52 54.34806 * 16 08 53.56089 16 11 34.66505 0.20 3C454.3 /home/arana/cwalker/sched/catalogs/sources.vlba J2253+16 VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro 0.167 scan hours, 10.986 baseline hours above horizon. 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) NGC0315 131.0 J0136+4751 136.2 3C48 139.4 3C84 154.9 J2253+1608 100.2 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