COVER INFORMATION Station: VLBA_HN (Code Hn ) Experiment: BN021 - VLBA fmt 6cm phase ref monitoring of LLAGNs Exp. Code: bn021aa Schedule Version: 1.00 Processed by SCHED version: Release of 02 July 2002 PI: Neil Nagar Address: Arcetri Observatory Largo E. Fermi 5 Firenze 50125 Italy Phone: +39 55 2752277 EMAIL: neil@arcetri.astro.it Fax: Phone during observation: +39 55 2752277 Observing mode: continuum Notes: Target coordinates from previous VLBA observations Fringe finders: J1642+3948, can also use J1751+0939 Phase-referencing used for all sources This subscript for NGC6500. Run up to 6 times Schedule for VLBA_HN (Code Hn ) Page 2 BN021 - VLBA fmt 6cm phase ref monitoring of LLAGNs 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. TPStart: Tape motion start time. Frequencies are LO sum (band edge). Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Mon 3 Feb 2003 Day 34 --- Next scan frequencies: 4971.49 4979.49 4987.49 4995.49 Next BBC frequencies: 871.49 879.49 887.49 895.49 Next scan bandwidths: 8.00 8.00 8.00 8.00 15 18 54 J1751+0939 19 24 32 51.0 218.2 1.5 27.3 0 1 1 0 15 18 54 15 20 54 =1749+096 19 26 32 50.8 218.9 1.6 27.8 120 F 1 798 15 20 54 J1752+1734 19 26 32 57.8 225.3 1.6 33.1 -20 1 1 798 15 20 54 15 21 54 =1750+175 19 27 32 57.7 225.7 1.6 33.3 40 F 1 1197 15 21 54 NGC6500 19 27 32 58.7 225.3 1.5 33.2 -8 1 1 1197 15 21 54 15 23 54 --- 19 29 32 58.5 226.0 1.6 33.7 112 F 1 1995 15 23 54 J1751+0939 19 29 32 50.5 219.9 1.6 28.4 -22 1 1 1995 15 23 54 15 24 53 =1749+096 19 30 32 50.3 220.2 1.6 28.7 38 F 1 2393 15 24 53 J1752+1734 19 30 32 57.3 226.8 1.6 34.0 -20 1 1 2393 15 24 53 15 25 53 =1750+175 19 31 32 57.1 227.1 1.6 34.3 40 F 1 2792 15 25 53 NGC6500 19 31 32 58.2 226.8 1.6 34.2 -8 1 1 2792 15 25 53 15 27 53 --- 19 33 32 57.9 227.5 1.6 34.7 112 F 1 3590 15 27 53 J1751+0939 19 33 32 50.0 221.2 1.7 29.3 -22 1 1 3590 15 27 53 15 28 53 =1749+096 19 34 32 49.9 221.6 1.7 29.5 38 F 1 3989 15 28 53 J1752+1734 19 34 32 56.7 228.2 1.7 34.9 -20 1 1 3989 15 28 53 15 29 53 =1750+175 19 35 32 56.6 228.6 1.7 35.2 40 F 1 4388 15 29 53 NGC6500 19 35 32 57.7 228.2 1.7 35.1 -8 1 1 4388 15 29 53 15 31 52 --- 19 37 32 57.4 229.0 1.7 35.6 112 F 1 5186 15 31 52 J1751+0939 19 37 32 49.5 222.6 1.8 30.2 -22 1 1 5186 15 31 52 15 32 52 =1749+096 19 38 32 49.4 222.9 1.8 30.4 38 F 1 5585 15 32 52 J1752+1734 19 38 32 56.2 229.6 1.8 35.8 -20 1 1 5585 15 32 52 15 33 52 =1750+175 19 39 32 56.0 230.0 1.8 36.0 40 F 1 5984 15 33 52 NGC6500 19 39 32 57.1 229.7 1.7 36.0 -8 1 1 5984 15 33 52 15 35 52 --- 19 41 32 56.8 230.4 1.8 36.4 112 F 1 6781 15 35 52 J1751+0939 19 41 32 49.0 223.9 1.8 31.0 -22 1 1 6781 15 35 52 15 36 51 =1749+096 19 42 32 48.9 224.2 1.8 31.2 38 F 1 7180 Schedule for VLBA_HN (Code Hn ) Page 3 BN021 - VLBA fmt 6cm phase ref monitoring of LLAGNs 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. TPStart: Tape motion start time. Frequencies are LO sum (band edge). Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Mon 3 Feb 2003 Day 34 --- 15 36 51 J1752+1734 19 42 32 55.6 231.0 1.8 36.6 -19 1 1 7180 15 36 51 15 37 51 =1750+175 19 43 32 55.5 231.3 1.8 36.8 40 F 1 7579 15 37 51 NGC6500 19 43 32 56.5 231.1 1.8 36.9 -8 1 1 7579 15 37 51 15 39 51 --- 19 45 32 56.3 231.7 1.8 37.3 112 F 1 8377 15 39 51 J1751+0939 19 45 32 48.5 225.1 1.9 31.8 -22 1 1 8377 15 39 51 15 40 51 =1749+096 19 46 32 48.3 225.5 1.9 32.0 38 F 1 8776 15 40 51 J1752+1734 19 46 32 55.0 232.3 1.9 37.4 -19 1 1 8776 15 40 51 15 41 51 =1750+175 19 47 32 54.9 232.7 1.9 37.6 40 F 1 9175 15 41 51 NGC6500 19 47 32 56.0 232.4 1.9 37.7 -8 1 1 9175 15 41 51 15 43 50 --- 19 49 32 55.7 233.1 1.9 38.1 112 F 1 9973 15 43 50 J1751+0939 19 49 32 47.9 226.4 2.0 32.5 -21 1 1 9973 15 43 50 15 44 50 =1749+096 19 50 32 47.8 226.7 2.0 32.7 38 F 1 10372 15 44 50 J1752+1734 19 50 32 54.5 233.6 2.0 38.2 -19 1 1 10372 15 44 50 15 45 50 =1750+175 19 51 32 54.3 234.0 2.0 38.4 41 F 1 10771 15 45 50 NGC6500 19 51 32 55.4 233.7 1.9 38.5 -8 1 1 10771 15 45 50 15 47 50 --- 19 53 32 55.1 234.4 2.0 38.8 112 F 1 11568 15 47 50 J1751+0939 19 53 32 47.4 227.6 2.0 33.3 -21 1 1 11568 15 47 50 15 48 49 =1749+096 19 54 32 47.3 227.9 2.0 33.5 38 F 1 11967 15 48 49 J1752+1734 19 54 32 53.9 234.9 2.0 38.9 -19 1 1 11967 15 48 49 15 49 49 =1750+175 19 55 32 53.7 235.2 2.0 39.1 41 F 1 12366 15 49 49 J1759+2343 19 55 32 59.3 240.7 1.9 44.2 -17 1 1 12366 15 49 49 15 50 49 =1756+237 19 56 32 59.1 241.0 2.0 44.4 43 F 1 12765 15 50 49 J1745+1814 19 56 32 53.0 238.3 2.2 41.0 -18 1 1 12765 15 50 49 15 51 49 =1743+182 19 57 32 52.9 238.6 2.2 41.2 42 F 1 13164 15 51 49 J1745+1720 19 57 32 52.1 237.8 2.2 40.4 -7 1 1 13164 15 51 49 15 52 49 =1743+173 19 58 32 52.0 238.1 2.2 40.6 52 F 1 13563 15 52 49 J1728+1215 19 58 32 45.4 238.0 2.5 39.5 -19 1 1 13563 15 52 49 15 53 49 =1725+123 19 59 32 45.2 238.3 2.5 39.6 41 F 1 13962 Schedule for VLBA_HN (Code Hn ) Page 4 BN021 - VLBA fmt 6cm phase ref monitoring of LLAGNs 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. TPStart: Tape motion start time. Frequencies are LO sum (band edge). Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Mon 3 Feb 2003 Day 34 --- 15 55 49 J1751+0939 20 01 33 46.3 230.0 2.2 34.7 109 1 1 13962 15 55 49 15 56 49 =1749+096 20 02 33 46.2 230.3 2.2 34.9 60 F 1 14361 15 56 49 J1752+1734 20 02 33 52.6 237.4 2.2 40.3 -19 1 1 14361 15 56 49 15 57 49 =1750+175 20 03 33 52.5 237.7 2.2 40.5 41 F 1 14760 15 57 49 NGC6500 20 03 33 53.6 237.5 2.1 40.6 -8 1 1 14760 15 57 49 15 59 49 --- 20 05 33 53.3 238.1 2.2 40.9 112 F 1 15557 15 59 49 J1751+0939 20 05 33 45.7 231.2 2.2 35.4 -21 1 1 15557 15 59 49 16 00 48 =1749+096 20 06 33 45.6 231.5 2.2 35.5 39 F 1 15956 16 00 48 J1752+1734 20 06 33 52.0 238.6 2.2 40.9 -19 1 1 15956 16 00 48 16 01 48 =1750+175 20 07 33 51.9 238.8 2.2 41.1 41 F 1 16355 16 01 48 NGC6500 20 07 33 52.9 238.7 2.2 41.2 -8 1 1 16355 16 01 48 16 03 48 --- 20 09 33 52.6 239.3 2.2 41.6 112 F 1 17153 16 03 48 J1751+0939 20 09 33 45.2 232.3 2.3 36.0 -21 1 2 17153 16 03 48 16 04 48 =1749+096 20 10 33 45.0 232.6 2.3 36.2 39 R 1 16754 16 04 48 J1752+1734 20 10 33 51.4 239.7 2.3 41.5 -19 1 2 16754 16 04 48 16 05 48 =1750+175 20 11 33 51.2 240.0 2.3 41.7 41 R 1 16355 16 05 48 NGC6500 20 11 33 52.3 239.9 2.3 41.9 -8 1 2 16355 16 05 48 16 07 47 --- 20 13 33 52.0 240.5 2.3 42.2 112 R 1 15557 16 07 47 J1751+0939 20 13 33 44.6 233.4 2.4 36.6 -21 1 2 15557 16 07 47 16 08 47 =1749+096 20 14 33 44.4 233.7 2.4 36.8 39 R 1 15159 16 08 47 J1752+1734 20 14 33 50.8 240.8 2.4 42.1 -19 1 2 15159 16 08 47 16 09 47 =1750+175 20 15 33 50.6 241.1 2.4 42.3 41 R 1 14760 16 09 47 NGC6500 20 15 33 51.7 241.0 2.3 42.4 -8 1 2 14760 16 09 47 16 11 47 --- 20 17 33 51.4 241.6 2.4 42.7 112 R 1 13962 16 11 47 J1751+0939 20 17 33 44.0 234.5 2.4 37.2 -21 1 2 13962 16 11 47 16 12 47 =1749+096 20 18 33 43.8 234.8 2.4 37.4 39 R 1 13563 16 12 47 J1752+1734 20 18 33 50.1 242.0 2.4 42.7 -19 1 2 13563 16 12 47 16 13 46 =1750+175 20 19 33 49.9 242.2 2.4 42.8 41 R 1 13164 Schedule for VLBA_HN (Code Hn ) Page 5 BN021 - VLBA fmt 6cm phase ref monitoring of LLAGNs 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. TPStart: Tape motion start time. Frequencies are LO sum (band edge). Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Mon 3 Feb 2003 Day 34 --- 16 13 46 NGC6500 20 19 33 51.0 242.2 2.4 43.0 -8 1 2 13164 16 13 46 16 15 46 --- 20 21 33 50.7 242.7 2.4 43.3 112 R 1 12366 16 15 46 J1751+0939 20 21 33 43.4 235.6 2.5 37.8 -21 1 2 12366 16 15 46 16 16 46 =1749+096 20 22 33 43.2 235.9 2.5 37.9 39 R 1 11967 16 16 46 J1752+1734 20 22 33 49.5 243.0 2.5 43.2 -18 1 2 11967 16 16 46 16 17 46 =1750+175 20 23 33 49.3 243.3 2.5 43.3 41 R 1 11568 16 17 46 J1759+2343 20 23 33 54.6 248.8 2.4 48.2 -17 1 2 11568 16 17 46 16 18 46 =1756+237 20 24 33 54.5 249.1 2.4 48.3 43 R 1 11169 16 18 46 J1745+1814 20 24 33 48.5 246.0 2.6 44.8 -18 1 2 11169 16 18 46 16 19 45 =1743+182 20 25 33 48.3 246.3 2.7 44.9 42 R 1 10771 16 19 45 J1745+1720 20 25 33 47.6 245.4 2.7 44.2 -7 1 2 10771 16 19 45 16 20 45 =1743+173 20 26 33 47.4 245.7 2.7 44.3 52 R 1 10372 16 20 45 J1728+1215 20 26 33 40.9 245.1 3.0 42.8 -19 1 2 10372 16 20 45 16 21 45 =1725+123 20 27 33 40.7 245.3 3.0 42.9 41 R 1 9973 16 23 46 J1642+3948 20 29 34 48.2 285.7 3.8 66.5 88 1 2 9973 16 23 46 16 26 45 =1641+399 20 32 34 47.7 286.1 3.8 66.3 180 R 1 8776 16 26 45 J1751+0939 20 32 34 41.7 238.5 2.7 39.3 -38 1 2 8776 16 26 45 16 29 15 =1749+096 20 35 04 41.3 239.1 2.7 39.6 112 R 1 7779 16 29 15 J1752+1734 20 35 04 47.4 246.3 2.7 44.7 -18 1 2 7779 16 29 15 16 30 15 =1750+175 20 36 04 47.2 246.5 2.7 44.8 42 R 1 7380 16 30 15 NGC6500 20 36 04 48.3 246.5 2.7 45.0 -8 1 2 7380 16 30 15 16 32 14 --- 20 38 04 48.0 247.0 2.7 45.2 112 R 1 6582 16 32 14 J1751+0939 20 38 04 40.8 239.9 2.8 40.0 -20 1 2 6582 16 32 14 16 33 14 =1749+096 20 39 04 40.7 240.1 2.8 40.1 40 R 1 6183 16 33 14 J1752+1734 20 39 04 46.7 247.3 2.8 45.1 -18 1 2 6183 16 33 14 16 34 14 =1750+175 20 40 04 46.5 247.5 2.8 45.2 42 R 1 5784 16 34 14 NGC6500 20 40 04 47.6 247.5 2.7 45.5 -8 1 2 5784 16 34 14 16 36 14 --- 20 42 04 47.3 248.0 2.8 45.7 112 R 1 4986 Schedule for VLBA_HN (Code Hn ) Page 6 BN021 - VLBA fmt 6cm phase ref monitoring of LLAGNs 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. TPStart: Tape motion start time. Frequencies are LO sum (band edge). Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Mon 3 Feb 2003 Day 34 --- 16 36 14 J1751+0939 20 42 04 40.2 240.9 2.8 40.5 -20 1 2 4986 16 36 14 16 37 14 =1749+096 20 43 04 40.0 241.1 2.9 40.6 40 R 1 4587 16 37 14 J1752+1734 20 43 04 46.0 248.2 2.8 45.5 -18 1 2 4587 16 37 14 16 38 13 =1750+175 20 44 04 45.9 248.5 2.9 45.6 42 R 1 4189 16 38 13 NGC6500 20 44 04 47.0 248.5 2.8 45.9 -8 1 2 4189 16 38 13 16 40 13 --- 20 46 04 46.6 249.0 2.8 46.0 112 R 1 3391 16 40 13 J1751+0939 20 46 04 39.6 241.9 2.9 40.9 -20 1 2 3391 16 40 13 16 41 13 =1749+096 20 47 04 39.4 242.1 2.9 41.0 40 R 1 2992 16 41 13 J1752+1734 20 47 04 45.4 249.2 2.9 45.9 -18 1 2 2992 16 41 13 16 42 13 =1750+175 20 48 04 45.2 249.4 2.9 46.0 42 R 1 2593 16 42 13 NGC6500 20 48 04 46.3 249.4 2.9 46.2 -8 1 2 2593 16 42 13 16 44 12 --- 20 50 04 45.9 249.9 2.9 46.4 112 R 1 1795 16 44 12 J1751+0939 20 50 04 38.9 242.8 3.0 41.3 -20 1 2 1795 16 44 12 16 45 12 =1749+096 20 51 04 38.7 243.1 3.0 41.5 40 R 1 1396 16 45 12 J1752+1734 20 51 04 44.7 250.1 3.0 46.2 -18 1 2 1396 16 45 12 16 46 12 =1750+175 20 52 04 44.5 250.4 3.0 46.3 42 R 1 997 16 46 12 NGC6500 20 52 04 45.6 250.4 2.9 46.6 -8 1 2 997 16 46 12 16 48 12 --- 20 54 04 45.2 250.9 3.0 46.8 112 R 1 199 16 48 12 J1751+0939 20 54 04 38.3 243.8 3.0 41.8 -20 1 3 199 16 48 12 16 49 12 =1749+096 20 55 04 38.1 244.0 3.1 41.9 40 F 1 598 16 49 12 J1752+1734 20 55 04 44.0 251.0 3.0 46.6 -18 1 3 598 16 49 12 16 50 11 =1750+175 20 56 04 43.8 251.3 3.1 46.7 42 F 1 997 16 50 11 NGC6500 20 56 04 44.9 251.3 3.0 46.9 -8 1 3 997 16 50 11 16 52 11 --- 20 58 04 44.5 251.8 3.0 47.1 112 F 1 1795 16 52 11 J1751+0939 20 58 04 37.6 244.7 3.1 42.2 -20 1 3 1795 16 52 11 16 53 11 =1749+096 20 59 04 37.4 244.9 3.1 42.3 40 F 1 2194 16 53 11 J1752+1734 20 59 04 43.3 251.9 3.1 46.9 -18 1 3 2194 16 53 11 16 54 11 =1750+175 21 00 04 43.1 252.2 3.1 47.0 42 F 1 2593 Schedule for VLBA_HN (Code Hn ) Page 7 BN021 - VLBA fmt 6cm phase ref monitoring of LLAGNs 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. TPStart: Tape motion start time. Frequencies are LO sum (band edge). Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Mon 3 Feb 2003 Day 34 --- 16 54 11 NGC6500 21 00 04 44.2 252.2 3.1 47.3 -8 1 3 2593 16 54 11 16 56 10 --- 21 02 04 43.8 252.7 3.1 47.4 112 F 1 3391 16 56 10 J1751+0939 21 02 04 36.9 245.6 3.2 42.6 -20 1 3 3391 16 56 10 16 57 10 =1749+096 21 03 04 36.8 245.8 3.2 42.7 40 F 1 3790 16 57 10 J1752+1734 21 03 04 42.6 252.8 3.2 47.2 -18 1 3 3790 16 57 10 16 58 10 =1750+175 21 04 04 42.4 253.1 3.2 47.3 42 F 1 4189 16 58 10 J1759+2343 21 04 04 47.5 258.3 3.1 51.6 -16 1 3 4189 16 58 10 16 59 10 =1756+237 21 05 04 47.4 258.5 3.1 51.6 44 F 1 4587 16 59 10 J1745+1814 21 05 04 41.5 255.4 3.3 48.2 -18 1 3 4587 16 59 10 17 00 10 =1743+182 21 06 04 41.3 255.6 3.3 48.3 42 F 1 4986 17 00 10 J1745+1720 21 06 04 40.6 254.8 3.3 47.7 -7 1 3 4986 17 00 10 17 01 10 =1743+173 21 07 04 40.5 255.0 3.4 47.8 52 F 1 5385 17 01 10 J1728+1215 21 07 04 33.9 254.0 3.6 46.1 -19 1 3 5385 17 01 10 17 02 09 =1725+123 21 08 04 33.7 254.2 3.7 46.1 41 F 1 5784 17 02 09 J1751+0939 21 08 04 35.9 247.0 3.3 43.1 -11 1 3 5784 17 02 09 17 03 09 =1749+096 21 09 04 35.8 247.2 3.3 43.2 49 F 1 6183 17 03 09 J1752+1734 21 09 04 41.5 254.1 3.3 47.6 -18 1 3 6183 17 03 09 17 04 09 =1750+175 21 10 04 41.4 254.3 3.3 47.7 42 F 1 6582 17 04 09 NGC6500 21 10 04 42.4 254.4 3.2 48.0 -8 1 3 6582 17 04 09 17 06 09 --- 21 12 04 42.1 254.8 3.3 48.1 112 F 1 7380 17 06 09 J1751+0939 21 12 04 35.2 247.8 3.3 43.5 -20 1 3 7380 17 06 09 17 07 09 =1749+096 21 13 04 35.1 248.1 3.4 43.5 40 F 1 7779 17 07 09 J1752+1734 21 13 04 40.8 255.0 3.3 47.9 -18 1 3 7779 17 07 09 17 08 08 =1750+175 21 14 04 40.7 255.2 3.4 47.9 42 F 1 8178 17 08 08 NGC6500 21 14 04 41.7 255.3 3.3 48.2 -8 1 3 8178 17 08 08 17 10 08 --- 21 16 04 41.4 255.7 3.3 48.4 112 F 1 8975 17 10 08 J1751+0939 21 16 04 34.6 248.7 3.4 43.8 -20 1 3 8975 17 10 08 17 11 08 =1749+096 21 17 04 34.4 248.9 3.4 43.9 40 F 1 9374 Schedule for VLBA_HN (Code Hn ) Page 8 BN021 - VLBA fmt 6cm phase ref monitoring of LLAGNs 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. TPStart: Tape motion start time. Frequencies are LO sum (band edge). Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Mon 3 Feb 2003 Day 34 --- 17 11 08 J1752+1734 21 17 04 40.1 255.8 3.4 48.1 -17 1 3 9374 17 11 08 17 12 08 =1750+175 21 18 04 39.9 256.0 3.4 48.2 42 F 1 9773 17 12 08 NGC6500 21 18 04 41.0 256.1 3.4 48.5 -8 1 3 9773 17 12 08 17 14 07 --- 21 20 04 40.7 256.5 3.4 48.6 112 F 1 10571 17 14 07 J1751+0939 21 20 04 33.9 249.6 3.5 44.1 -20 1 3 10571 17 14 07 17 15 07 =1749+096 21 21 04 33.7 249.8 3.5 44.2 40 F 1 10970 17 15 07 J1752+1734 21 21 04 39.4 256.7 3.5 48.3 -17 1 3 10970 17 15 07 17 16 07 =1750+175 21 22 04 39.2 256.9 3.5 48.4 42 F 1 11369 17 16 07 NGC6500 21 22 04 40.3 256.9 3.4 48.7 -8 1 3 11369 17 16 07 17 18 07 --- 21 24 04 40.0 257.4 3.5 48.8 112 F 1 12167 17 18 07 J1751+0939 21 24 04 33.2 250.4 3.5 44.4 -20 1 3 12167 17 18 07 17 19 07 =1749+096 21 25 04 33.0 250.6 3.6 44.5 40 F 1 12566 17 19 07 J1752+1734 21 25 04 38.7 257.5 3.5 48.6 -17 1 3 12566 17 19 07 17 20 06 =1750+175 21 26 04 38.5 257.7 3.6 48.6 42 F 1 12964 17 20 06 NGC6500 21 26 04 39.6 257.8 3.5 48.9 -8 1 3 12964 17 20 06 17 22 06 --- 21 28 04 39.2 258.2 3.5 49.0 112 F 1 13762 17 22 06 J1751+0939 21 28 04 32.5 251.3 3.6 44.7 -19 1 3 13762 17 22 06 17 23 06 =1749+096 21 29 04 32.3 251.5 3.6 44.8 40 F 1 14161 17 23 06 J1752+1734 21 29 04 38.0 258.3 3.6 48.8 -17 1 3 14161 17 23 06 17 24 06 =1750+175 21 30 04 37.8 258.5 3.6 48.8 43 F 1 14560 17 24 06 J1759+2343 21 30 04 42.8 263.5 3.5 52.6 -16 1 3 14560 17 24 06 17 25 06 =1756+237 21 31 04 42.7 263.7 3.5 52.6 44 F 1 14959 17 25 06 J1745+1814 21 31 04 36.8 260.6 3.8 49.5 -18 1 3 14959 17 25 06 17 26 05 =1743+182 21 32 04 36.7 260.8 3.8 49.6 42 F 1 15358 17 26 05 J1745+1720 21 32 04 36.0 260.0 3.8 49.1 -7 1 3 15358 17 26 05 17 27 05 =1743+173 21 33 04 35.8 260.2 3.8 49.1 53 F 1 15757 17 27 05 J1728+1215 21 33 04 29.3 259.1 4.1 47.4 -19 1 3 15757 17 27 05 17 28 05 =1725+123 21 34 04 29.1 259.3 4.1 47.4 41 F 1 16156 Schedule for VLBA_HN (Code Hn ) Page 9 BN021 - VLBA fmt 6cm phase ref monitoring of LLAGNs 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. TPStart: Tape motion start time. Frequencies are LO sum (band edge). Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Mon 3 Feb 2003 Day 34 --- 17 28 05 J1751+0939 21 34 04 31.5 252.5 3.7 45.1 -11 1 3 16156 17 28 05 17 29 05 =1749+096 21 35 04 31.3 252.7 3.7 45.2 49 F 1 16555 17 29 05 J1752+1734 21 35 04 36.9 259.5 3.7 49.0 -17 1 3 16555 17 29 05 17 30 05 =1750+175 21 36 04 36.7 259.6 3.7 49.1 43 F 1 16954 17 30 05 NGC6500 21 36 04 37.8 259.7 3.7 49.4 -8 1 4 16954 17 30 05 17 32 04 --- 21 38 04 37.4 260.1 3.7 49.5 112 R 1 17449 17 32 04 J1751+0939 21 38 04 30.8 253.3 3.8 45.3 -19 1 4 17449 17 32 04 17 33 04 =1749+096 21 39 04 30.6 253.5 3.8 45.4 40 R 1 17050 17 33 04 J1752+1734 21 39 04 36.2 260.2 3.8 49.2 -17 1 4 17050 17 33 04 17 34 04 =1750+175 21 40 04 36.0 260.4 3.8 49.2 43 R 1 16651 17 34 04 NGC6500 21 40 04 37.1 260.5 3.7 49.5 -8 1 4 16651 17 34 04 17 36 04 --- 21 42 04 36.7 260.9 3.8 49.6 112 R 1 15853 17 36 04 J1751+0939 21 42 04 30.1 254.1 3.8 45.6 -19 1 4 15853 17 36 04 17 37 04 =1749+096 21 43 04 29.9 254.3 3.9 45.6 41 R 1 15454 17 37 04 J1752+1734 21 43 04 35.5 261.0 3.8 49.3 -17 1 4 15454 17 37 04 17 38 04 =1750+175 21 44 04 35.3 261.2 3.9 49.4 43 R 1 15055 17 38 04 NGC6500 21 44 04 36.4 261.3 3.8 49.7 -8 1 4 15055 17 38 04 17 40 03 --- 21 46 04 36.0 261.7 3.8 49.7 112 R 1 14257 17 40 03 J1751+0939 21 46 04 29.4 254.9 3.9 45.8 -19 1 4 14257 17 40 03 17 41 03 =1749+096 21 47 04 29.2 255.1 3.9 45.9 41 R 1 13858 17 41 03 J1752+1734 21 47 04 34.7 261.8 3.9 49.5 -17 1 4 13858 17 41 03 17 42 03 =1750+175 21 48 04 34.6 261.9 3.9 49.5 43 R 1 13460 17 42 03 NGC6500 21 48 04 35.6 262.0 3.9 49.8 -8 1 4 13460 17 42 03 17 44 03 --- 21 50 04 35.3 262.4 3.9 49.9 112 R 1 12662 17 44 03 J1751+0939 21 50 04 28.6 255.7 4.0 46.0 -19 1 4 12662 17 44 03 17 45 02 =1749+096 21 51 04 28.5 255.9 4.0 46.1 41 R 1 12263 17 45 02 J1752+1734 21 51 04 34.0 262.5 4.0 49.6 -17 1 4 12263 17 45 02 17 46 02 =1750+175 21 52 04 33.8 262.7 4.0 49.6 43 R 1 11864 Schedule for VLBA_HN (Code Hn ) Page 10 BN021 - VLBA fmt 6cm phase ref monitoring of LLAGNs 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. TPStart: Tape motion start time. Frequencies are LO sum (band edge). Automatic tape allocation specified. Tape positions are just estimates. ---------------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes TPStart Stop UT LST EL AZ HA UP ParA Dwell (see above) ---------------------------------------------------------------------------------------- --- Mon 3 Feb 2003 Day 34 --- 17 46 02 NGC6500 21 52 04 34.9 262.8 3.9 49.9 -8 1 4 11864 17 46 02 17 48 02 --- 21 54 04 34.5 263.2 4.0 50.0 112 R 1 11066 17 48 02 J1751+0939 21 54 04 27.9 256.5 4.0 46.2 -19 1 4 11066 17 48 02 17 49 02 =1749+096 21 55 04 27.8 256.6 4.1 46.3 41 R 1 10667 17 49 02 J1752+1734 21 55 04 33.3 263.2 4.0 49.7 -17 1 4 10667 17 49 02 17 50 02 =1750+175 21 56 04 33.1 263.4 4.1 49.7 43 R 1 10268 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: /home/filehost/cwalker/sched/setups/v6cm-128-4-2-L.set Matches group v6cm_2 in /home/filehost/cwalker/sched/catalogs/freq.dat Setup group: 1 Station: VLBA Total bit rate: 128 Format: VLBA1:4 Bits per sample: 2 Sample rate: 16.000 Number of channels: 4 Passes/head pos: 1 Speedup factor: 2.00 Tape speeds: Low density - 133.330 ips, High density - 80.00 ips Time per pass for 17600 ft, High density tapes is: 00:44:00 1st LO= 4100.00 4100.00 4100.00 4100.00 Net SB= U U U U Pol. = LCP LCP LCP LCP BBC = 1 2 3 4 BBC SB= U U U U IF = C C C C VLBA FE= 6cm omit 6cm omit VLBA Synth= 15.4 4.1 15.4 The following frequency sets based on this setup were used. Frequency Set: 1 Setup file default. Used pcal sets: 1 LO sum= 4971.49 4979.49 4987.49 4995.49 BBC fr= 871.49 879.49 887.49 895.49 Bandwd= 8.000 8.000 8.000 8.000 The following pulse cal sets were used with this setup: Pulse cal detection set: 1 PCAL = 1MHZ PCALXB1= S1 S3 S1 S3 S1 S2 S3 S4 PCALXB2= S2 S4 S2 S4 M1 M2 M3 M4 PCALFR1= 510 510 6510 6510 0 0 0 0 PCALFR2= 510 510 6510 6510 0 0 0 0 Track assignments are: track1= 2, 18, 3, 19 barrel=roll_auto SOURCE LIST -- BN021 - VLBA fmt 6cm phase ref monitoring of LLAGNs 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). Source Source position (RA/Dec) (B1950) (J2000) (Date) * NGC6500 17 53 48.136637 * 17 55 59.782400 17 56 06.160134 18 20 39.91157 * 18 20 17.66100 18 20 03.03869 From catalog imbedded in main SCHED input file. * J1642+3948 16 41 17.606214 * 16 42 58.809952 16 43 03.731657 1641+399 39 54 10.81489 * 39 48 36.99395 39 47 59.08007 3C345 /home/filehost/cwalker/sched/catalogs/sources.vlba J1642+39 ICRF - Ext.1 Source - 1998 IERS Annual Report * J1728+1215 17 25 47.656534 * 17 28 07.051218 17 28 14.021405 1725+123 12 18 03.42295 * 12 15 39.48600 12 15 18.91779 J1728+12 /home/filehost/cwalker/sched/catalogs/sources.vlba VLBA Calib. Survey - ICRF Frame - reduced by GSFC group - Aug 2001 * J1745+1720 17 43 22.235912 * 17 45 35.208179 17 45 41.714173 1743+173 17 21 09.18610 * 17 20 01.42341 17 19 44.24487 J1745+17 /home/filehost/cwalker/sched/catalogs/sources.vlba ICRF - Ext.1 Source - 1998 IERS Annual Report * J1745+1814 17 43 44.129548 * 17 45 55.927483 17 46 02.360905 1743+182 18 15 56.63458 * 18 14 50.42224 18 14 33.14812 /home/filehost/cwalker/sched/catalogs/sources.vlba VLBA Calib. Survey - ICRF Frame - reduced by GSFC group - Aug 2001 * J1751+0939 17 49 10.387930 * 17 51 32.818573 17 51 39.860572 1749+096 09 39 42.82596 * 09 39 00.72851 09 38 46.73713 J1751+09 /home/filehost/cwalker/sched/catalogs/sources.vlba ICRF - Ext.1 Source - 1998 IERS Annual Report * J1752+1734 17 50 33.364393 * 17 52 46.002907 17 52 52.455620 1750+175 17 34 56.75234 * 17 34 20.35028 17 34 05.01941 /home/filehost/cwalker/sched/catalogs/sources.vlba VLBA Calib. Survey - ICRF Frame - reduced by GSFC group - Aug 2001 * J1759+2343 17 56 55.937407 * 17 59 00.358091 17 59 06.276670 1756+237 23 43 55.77912 * 23 43 46.95379 23 43 32.16005 J1759+23 /home/filehost/cwalker/sched/catalogs/sources.vlba VLBA Calib. Survey - ICRF Frame - reduced by GSFC group - Aug 2001 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) NGC6500 58.6 J1642+3948 83.3 J1728+1215 61.4 J1745+1720 60.1 J1745+1814 60.6 J1751+0939 55.1 J1752+1734 58.8 J1759+2343 61.1 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