COVER INFORMATION Station: VLBA_MK (Code Mk ) Experiment: BN021 - VLBA fmt 6cm phase ref monitoring of LLAGNs Exp. Code: bn021ae Schedule Version: 1.00 Processed by SCHED version: Release of 18 Sept. 2003 PI: Neil Nagar Address: Postbus 800 9700 AV Groningen The Netherlands Phone: 1 EMAIL: nagar@astro.rug.nl Fax: Phone during observation: 1 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_MK (Code Mk ) 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) ---------------------------------------------------------------------------------------- --- Wed 24 Dec 2003 Day 358 --- 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 18 01 04 J1751+0939 13 50 39 31.1 90.5 -4.0 -72.6 0 1 1 0 18 01 04 18 03 03 =1749+096 13 52 39 31.6 90.7 -4.0 -72.6 120 F 1 798 18 03 03 J1752+1734 13 52 39 33.4 81.5 -4.0 -77.5 -12 1 1 798 18 03 03 18 04 03 =1750+175 13 53 39 33.6 81.6 -4.0 -77.5 48 F 1 1197 18 04 03 NGC6500 13 53 39 33.0 80.5 -4.0 -77.9 -7 1 1 1197 18 04 03 18 06 03 --- 13 55 39 33.5 80.6 -4.0 -78.0 113 F 1 1995 18 06 03 J1751+0939 13 55 39 32.3 91.0 -3.9 -72.6 -13 1 1 1995 18 06 03 18 07 03 =1749+096 13 56 39 32.5 91.1 -3.9 -72.6 47 F 1 2393 18 07 03 J1752+1734 13 56 39 34.3 81.8 -3.9 -77.6 -12 1 1 2393 18 07 03 18 08 03 =1750+175 13 57 39 34.5 81.9 -3.9 -77.7 48 F 1 2792 18 08 03 NGC6500 13 57 39 33.9 80.7 -4.0 -78.0 -7 1 1 2792 18 08 03 18 10 02 --- 13 59 39 34.4 80.9 -3.9 -78.1 113 F 1 3590 18 10 02 J1751+0939 13 59 39 33.2 91.3 -3.9 -72.6 -13 1 1 3590 18 10 02 18 11 02 =1749+096 14 00 39 33.5 91.4 -3.9 -72.6 47 F 1 3989 18 11 02 J1752+1734 14 00 39 35.2 82.0 -3.9 -77.8 -12 1 1 3989 18 11 02 18 12 02 =1750+175 14 01 39 35.5 82.1 -3.9 -77.8 48 F 1 4388 18 12 02 NGC6500 14 01 39 34.9 81.0 -3.9 -78.2 -7 1 1 4388 18 12 02 18 14 02 --- 14 03 39 35.3 81.1 -3.9 -78.3 113 F 1 5186 18 14 02 J1751+0939 14 03 39 34.2 91.7 -3.8 -72.5 -13 1 1 5186 18 14 02 18 15 02 =1749+096 14 04 39 34.4 91.8 -3.8 -72.5 47 F 1 5585 18 15 02 J1752+1734 14 04 39 36.2 82.3 -3.8 -78.0 -12 1 1 5585 18 15 02 18 16 01 =1750+175 14 05 39 36.4 82.3 -3.8 -78.0 48 F 1 5984 18 16 01 NGC6500 14 05 39 35.8 81.2 -3.8 -78.4 -7 1 1 5984 18 16 01 18 18 01 --- 14 07 39 36.3 81.3 -3.8 -78.5 113 F 1 6781 18 18 01 J1751+0939 14 07 39 35.1 92.0 -3.7 -72.5 -13 1 1 6781 18 18 01 18 19 01 =1749+096 14 08 39 35.4 92.1 -3.7 -72.5 47 F 1 7180 Schedule for VLBA_MK (Code Mk ) 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) ---------------------------------------------------------------------------------------- --- Wed 24 Dec 2003 Day 358 --- 18 19 01 J1752+1734 14 08 39 37.1 82.5 -3.7 -78.1 -12 1 1 7180 18 19 01 18 20 01 =1750+175 14 09 39 37.3 82.6 -3.7 -78.1 47 F 1 7579 18 20 01 NGC6500 14 09 39 36.7 81.5 -3.8 -78.6 -7 1 1 7579 18 20 01 18 22 00 --- 14 11 39 37.2 81.6 -3.7 -78.7 113 F 1 8377 18 22 00 J1751+0939 14 11 39 36.1 92.4 -3.7 -72.5 -13 1 1 8377 18 22 00 18 23 00 =1749+096 14 12 39 36.3 92.5 -3.7 -72.5 47 F 1 8776 18 23 00 J1752+1734 14 12 39 38.0 82.8 -3.7 -78.3 -12 1 1 8776 18 23 00 18 24 00 =1750+175 14 13 39 38.3 82.8 -3.7 -78.3 47 F 1 9175 18 24 00 NGC6500 14 13 39 37.7 81.7 -3.7 -78.8 -7 1 1 9175 18 24 00 18 26 00 --- 14 15 39 38.1 81.8 -3.7 -78.8 113 F 1 9973 18 26 00 J1751+0939 14 15 39 37.0 92.8 -3.6 -72.4 -13 1 1 9973 18 26 00 18 27 00 =1749+096 14 16 39 37.2 92.9 -3.6 -72.4 47 F 1 10372 18 27 00 J1752+1734 14 16 39 39.0 83.0 -3.6 -78.4 -13 1 1 10372 18 27 00 18 27 59 =1750+175 14 17 39 39.2 83.1 -3.6 -78.4 47 F 1 10771 18 27 59 NGC6500 14 17 39 38.6 81.9 -3.6 -78.9 -7 1 1 10771 18 27 59 18 29 59 --- 14 19 39 39.1 82.0 -3.6 -79.0 113 F 1 11568 18 29 59 J1751+0939 14 19 39 37.9 93.1 -3.5 -72.4 -13 1 1 11568 18 29 59 18 30 59 =1749+096 14 20 39 38.2 93.2 -3.5 -72.3 46 F 1 11967 18 30 59 J1752+1734 14 20 39 39.9 83.3 -3.5 -78.6 -13 1 1 11967 18 30 59 18 31 59 =1750+175 14 21 39 40.1 83.3 -3.5 -78.6 47 F 1 12366 18 31 59 J1759+2343 14 21 39 39.6 75.1 -3.6 -83.3 -11 1 1 12366 18 31 59 18 32 59 =1756+237 14 22 39 39.9 75.1 -3.6 -83.4 48 F 1 12765 18 32 59 J1745+1814 14 22 39 42.1 82.9 -3.4 -79.5 -11 1 1 12765 18 32 59 18 33 58 =1743+182 14 23 39 42.3 83.0 -3.4 -79.5 49 F 1 13164 18 33 58 J1745+1720 14 23 39 42.2 84.2 -3.4 -78.7 -7 1 1 13164 18 33 58 18 34 58 =1743+173 14 24 39 42.5 84.3 -3.4 -78.7 53 F 1 13563 18 34 58 J1728+1215 14 24 39 45.4 92.5 -3.1 -74.1 -12 1 1 13563 18 34 58 18 35 58 =1725+123 14 25 39 45.6 92.6 -3.0 -74.1 48 F 1 13962 Schedule for VLBA_MK (Code Mk ) 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) ---------------------------------------------------------------------------------------- --- Wed 24 Dec 2003 Day 358 --- 18 37 59 J1751+0939 14 27 40 39.8 93.9 -3.4 -72.2 103 1 1 13962 18 37 59 18 38 59 =1749+096 14 28 40 40.1 94.0 -3.4 -72.2 60 F 1 14361 18 38 59 J1752+1734 14 28 40 41.8 83.8 -3.4 -78.8 -13 1 1 14361 18 38 59 18 39 58 =1750+175 14 29 40 42.0 83.8 -3.4 -78.9 47 F 1 14760 18 39 58 NGC6500 14 29 40 41.4 82.6 -3.4 -79.4 -7 1 1 14760 18 39 58 18 41 58 --- 14 31 40 41.9 82.7 -3.4 -79.5 113 F 1 15557 18 41 58 J1751+0939 14 31 40 40.8 94.3 -3.3 -72.1 -14 1 1 15557 18 41 58 18 42 58 =1749+096 14 32 40 41.0 94.4 -3.3 -72.1 46 F 1 15956 18 42 58 J1752+1734 14 32 40 42.7 84.0 -3.3 -79.0 -13 1 1 15956 18 42 58 18 43 58 =1750+175 14 33 40 42.9 84.1 -3.3 -79.0 47 F 1 16355 18 43 58 NGC6500 14 33 40 42.3 82.9 -3.4 -79.6 -7 1 1 16355 18 43 58 18 45 57 --- 14 35 40 42.8 83.0 -3.3 -79.7 113 F 1 17153 18 45 57 J1751+0939 14 35 40 41.7 94.7 -3.3 -72.0 -14 1 2 17153 18 45 57 18 46 57 =1749+096 14 36 40 41.9 94.8 -3.3 -72.0 46 R 1 16754 18 46 57 J1752+1734 14 36 40 43.6 84.3 -3.3 -79.1 -13 1 2 16754 18 46 57 18 47 57 =1750+175 14 37 40 43.9 84.3 -3.3 -79.1 47 R 1 16355 18 47 57 NGC6500 14 37 40 43.3 83.1 -3.3 -79.7 -7 1 2 16355 18 47 57 18 49 57 --- 14 39 40 43.7 83.2 -3.3 -79.8 113 R 1 15557 18 49 57 J1751+0939 14 39 40 42.6 95.1 -3.2 -71.9 -14 1 2 15557 18 49 57 18 50 57 =1749+096 14 40 40 42.9 95.2 -3.2 -71.9 46 R 1 15159 18 50 57 J1752+1734 14 40 40 44.6 84.5 -3.2 -79.2 -13 1 2 15159 18 50 57 18 51 56 =1750+175 14 41 40 44.8 84.6 -3.2 -79.3 47 R 1 14760 18 51 56 NGC6500 14 41 40 44.2 83.3 -3.2 -79.9 -7 1 2 14760 18 51 56 18 53 56 --- 14 43 40 44.7 83.4 -3.2 -80.0 113 R 1 13962 18 53 56 J1751+0939 14 43 40 43.6 95.5 -3.1 -71.8 -14 1 2 13962 18 53 56 18 54 56 =1749+096 14 44 40 43.8 95.7 -3.1 -71.8 46 R 1 13563 18 54 56 J1752+1734 14 44 40 45.5 84.8 -3.1 -79.4 -13 1 2 13563 18 54 56 18 55 56 =1750+175 14 45 40 45.7 84.8 -3.1 -79.4 47 R 1 13164 Schedule for VLBA_MK (Code Mk ) 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) ---------------------------------------------------------------------------------------- --- Wed 24 Dec 2003 Day 358 --- 18 55 56 NGC6500 14 45 40 45.1 83.6 -3.2 -80.0 -7 1 2 13164 18 55 56 18 57 55 --- 14 47 40 45.6 83.7 -3.1 -80.1 113 R 1 12366 18 57 55 J1751+0939 14 47 40 44.5 96.0 -3.1 -71.7 -14 1 2 12366 18 57 55 18 58 55 =1749+096 14 48 40 44.7 96.1 -3.1 -71.6 46 R 1 11967 18 58 55 J1752+1734 14 48 40 46.4 85.0 -3.1 -79.5 -13 1 2 11967 18 58 55 18 59 55 =1750+175 14 49 40 46.7 85.1 -3.1 -79.5 46 R 1 11568 18 59 55 J1759+2343 14 49 40 46.0 75.9 -3.2 -85.6 -12 1 2 11568 18 59 55 19 00 55 =1756+237 14 50 40 46.3 76.0 -3.1 -85.6 48 R 1 11169 19 00 55 J1745+1814 14 50 40 48.6 84.6 -2.9 -80.5 -12 1 2 11169 19 00 55 19 01 55 =1743+182 14 51 40 48.9 84.6 -2.9 -80.5 48 R 1 10771 19 01 55 J1745+1720 14 51 40 48.8 86.0 -2.9 -79.5 -7 1 2 10771 19 01 55 19 02 55 =1743+173 14 52 40 49.0 86.1 -2.9 -79.5 53 R 1 10372 19 02 55 J1728+1215 14 52 40 51.9 95.4 -2.6 -73.4 -12 1 2 10372 19 02 55 19 03 54 =1725+123 14 53 40 52.2 95.5 -2.6 -73.4 48 R 1 9973 19 05 55 J1642+3948 14 55 41 59.5 43.2 -1.8 -123.1 80 1 2 9973 19 05 55 19 08 55 =1641+399 14 58 41 60.0 42.5 -1.7 -124.1 180 R 1 8776 19 08 55 J1751+0939 14 58 41 47.1 97.2 -2.9 -71.2 -42 1 2 8776 19 08 55 19 11 24 =1749+096 15 01 11 47.7 97.5 -2.8 -71.1 107 R 1 7779 19 11 24 J1752+1734 15 01 11 49.4 85.8 -2.9 -79.8 -14 1 2 7779 19 11 24 19 12 24 =1750+175 15 02 11 49.6 85.9 -2.8 -79.9 46 R 1 7380 19 12 24 NGC6500 15 02 11 49.0 84.5 -2.9 -80.6 -7 1 2 7380 19 12 24 19 14 24 --- 15 04 11 49.5 84.6 -2.9 -80.7 113 R 1 6582 19 14 24 J1751+0939 15 04 11 48.4 97.9 -2.8 -71.0 -15 1 2 6582 19 14 24 19 15 24 =1749+096 15 05 11 48.6 98.0 -2.8 -70.9 45 R 1 6183 19 15 24 J1752+1734 15 05 11 50.3 86.1 -2.8 -79.9 -14 1 2 6183 19 15 24 19 16 23 =1750+175 15 06 11 50.6 86.1 -2.8 -80.0 46 R 1 5784 19 16 23 NGC6500 15 06 11 49.9 84.8 -2.8 -80.8 -7 1 2 5784 19 16 23 19 18 23 --- 15 08 11 50.4 84.9 -2.8 -80.8 113 R 1 4986 Schedule for VLBA_MK (Code Mk ) 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) ---------------------------------------------------------------------------------------- --- Wed 24 Dec 2003 Day 358 --- 19 18 23 J1751+0939 15 08 11 49.3 98.4 -2.7 -70.8 -15 1 2 4986 19 18 23 19 19 23 =1749+096 15 09 11 49.5 98.5 -2.7 -70.7 45 R 1 4587 19 19 23 J1752+1734 15 09 11 51.3 86.3 -2.7 -80.0 -14 1 2 4587 19 19 23 19 20 23 =1750+175 15 10 11 51.5 86.4 -2.7 -80.1 46 R 1 4189 19 20 23 NGC6500 15 10 11 50.9 85.0 -2.8 -80.9 -7 1 2 4189 19 20 23 19 22 22 --- 15 12 11 51.3 85.1 -2.7 -81.0 112 R 1 3391 19 22 22 J1751+0939 15 12 11 50.2 98.9 -2.7 -70.6 -15 1 2 3391 19 22 22 19 23 22 =1749+096 15 13 11 50.5 99.0 -2.6 -70.5 45 R 1 2992 19 23 22 J1752+1734 15 13 11 52.2 86.6 -2.7 -80.1 -14 1 2 2992 19 23 22 19 24 22 =1750+175 15 14 11 52.4 86.7 -2.6 -80.1 46 R 1 2593 19 24 22 NGC6500 15 14 11 51.8 85.2 -2.7 -81.0 -7 1 2 2593 19 24 22 19 26 22 --- 15 16 11 52.3 85.4 -2.7 -81.1 112 R 1 1795 19 26 22 J1751+0939 15 16 11 51.2 99.4 -2.6 -70.3 -15 1 2 1795 19 26 22 19 27 22 =1749+096 15 17 11 51.4 99.5 -2.6 -70.3 44 R 1 1396 19 27 22 J1752+1734 15 17 11 53.1 86.9 -2.6 -80.2 -14 1 2 1396 19 27 22 19 28 21 =1750+175 15 18 11 53.4 86.9 -2.6 -80.2 45 R 1 997 19 28 21 NGC6500 15 18 11 52.7 85.5 -2.6 -81.2 -7 1 2 997 19 28 21 19 30 21 --- 15 20 11 53.2 85.6 -2.6 -81.2 112 R 1 199 19 30 21 J1751+0939 15 20 11 52.1 99.9 -2.5 -70.1 -16 1 3 199 19 30 21 19 31 21 =1749+096 15 21 11 52.3 100.1 -2.5 -70.0 44 F 1 598 19 31 21 J1752+1734 15 21 11 54.1 87.1 -2.5 -80.3 -15 1 3 598 19 31 21 19 32 21 =1750+175 15 22 11 54.3 87.2 -2.5 -80.3 45 F 1 997 19 32 21 NGC6500 15 22 11 53.7 85.7 -2.6 -81.3 -7 1 3 997 19 32 21 19 34 20 --- 15 24 11 54.1 85.8 -2.5 -81.3 112 F 1 1795 19 34 20 J1751+0939 15 24 11 53.0 100.5 -2.5 -69.8 -16 1 3 1795 19 34 20 19 35 20 =1749+096 15 25 11 53.2 100.6 -2.4 -69.7 44 F 1 2194 19 35 20 J1752+1734 15 25 11 55.0 87.4 -2.5 -80.4 -15 1 3 2194 19 35 20 19 36 20 =1750+175 15 26 11 55.2 87.5 -2.4 -80.4 45 F 1 2593 Schedule for VLBA_MK (Code Mk ) 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) ---------------------------------------------------------------------------------------- --- Wed 24 Dec 2003 Day 358 --- 19 36 20 NGC6500 15 26 11 54.6 86.0 -2.5 -81.4 -7 1 3 2593 19 36 20 19 38 20 --- 15 28 11 55.1 86.1 -2.5 -81.4 112 F 1 3391 19 38 20 J1751+0939 15 28 11 53.9 101.1 -2.4 -69.5 -16 1 3 3391 19 38 20 19 39 20 =1749+096 15 29 11 54.2 101.2 -2.4 -69.4 44 F 1 3790 19 39 20 J1752+1734 15 29 11 56.0 87.7 -2.4 -80.4 -15 1 3 3790 19 39 20 19 40 19 =1750+175 15 30 11 56.2 87.8 -2.4 -80.5 45 F 1 4189 19 40 19 J1759+2343 15 30 11 55.3 76.6 -2.5 -89.1 -13 1 3 4189 19 40 19 19 41 19 =1756+237 15 31 11 55.5 76.6 -2.5 -89.2 46 F 1 4587 19 41 19 J1745+1814 15 31 11 58.1 87.1 -2.2 -81.6 -13 1 3 4587 19 41 19 19 42 19 =1743+182 15 32 11 58.4 87.1 -2.2 -81.7 47 F 1 4986 19 42 19 J1745+1720 15 32 11 58.3 88.9 -2.2 -80.2 -7 1 3 4986 19 42 19 19 43 19 =1743+173 15 33 11 58.5 89.0 -2.2 -80.2 53 F 1 5385 19 43 19 J1728+1215 15 33 11 61.4 100.9 -1.9 -71.0 -14 1 3 5385 19 43 19 19 44 19 =1725+123 15 34 11 61.6 101.1 -1.9 -70.9 46 F 1 5784 19 44 19 J1751+0939 15 34 11 55.3 102.0 -2.3 -69.0 -19 1 3 5784 19 44 19 19 45 19 =1749+096 15 35 11 55.5 102.1 -2.3 -68.9 41 F 1 6183 19 45 19 J1752+1734 15 35 11 57.4 88.1 -2.3 -80.5 -15 1 3 6183 19 45 19 19 46 19 =1750+175 15 36 11 57.6 88.2 -2.3 -80.5 45 F 1 6582 19 46 19 NGC6500 15 36 11 57.0 86.6 -2.3 -81.7 -7 1 3 6582 19 46 19 19 48 18 --- 15 38 11 57.4 86.7 -2.3 -81.7 112 F 1 7380 19 48 18 J1751+0939 15 38 11 56.2 102.6 -2.2 -68.7 -17 1 3 7380 19 48 18 19 49 18 =1749+096 15 39 11 56.5 102.8 -2.2 -68.6 43 F 1 7779 19 49 18 J1752+1734 15 39 11 58.3 88.4 -2.2 -80.6 -16 1 3 7779 19 49 18 19 50 18 =1750+175 15 40 11 58.5 88.5 -2.2 -80.6 44 F 1 8178 19 50 18 NGC6500 15 40 11 57.9 86.8 -2.3 -81.8 -7 1 3 8178 19 50 18 19 52 18 --- 15 42 11 58.4 87.0 -2.2 -81.8 112 F 1 8975 19 52 18 J1751+0939 15 42 11 57.2 103.3 -2.2 -68.3 -17 1 3 8975 19 52 18 19 53 17 =1749+096 15 43 11 57.4 103.4 -2.1 -68.2 43 F 1 9374 Schedule for VLBA_MK (Code Mk ) 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) ---------------------------------------------------------------------------------------- --- Wed 24 Dec 2003 Day 358 --- 19 53 17 J1752+1734 15 43 11 59.2 88.7 -2.2 -80.6 -16 1 3 9374 19 53 17 19 54 17 =1750+175 15 44 11 59.5 88.8 -2.1 -80.6 44 F 1 9773 19 54 17 NGC6500 15 44 11 58.8 87.1 -2.2 -81.9 -7 1 3 9773 19 54 17 19 56 17 --- 15 46 11 59.3 87.2 -2.2 -81.9 112 F 1 10571 19 56 17 J1751+0939 15 46 11 58.1 103.9 -2.1 -67.9 -17 1 3 10571 19 56 17 19 57 17 =1749+096 15 47 11 58.3 104.1 -2.1 -67.7 43 F 1 10970 19 57 17 J1752+1734 15 47 11 60.2 89.0 -2.1 -80.7 -16 1 3 10970 19 57 17 19 58 17 =1750+175 15 48 11 60.4 89.1 -2.1 -80.7 44 F 1 11369 19 58 17 NGC6500 15 48 11 59.8 87.4 -2.1 -81.9 -7 1 3 11369 19 58 17 20 00 16 --- 15 50 11 60.2 87.5 -2.1 -82.0 112 F 1 12167 20 00 16 J1751+0939 15 50 11 59.0 104.7 -2.0 -67.4 -17 1 3 12167 20 00 16 20 01 16 =1749+096 15 51 11 59.2 104.8 -2.0 -67.3 42 F 1 12566 20 01 16 J1752+1734 15 51 11 61.1 89.3 -2.0 -80.7 -16 1 3 12566 20 01 16 20 02 16 =1750+175 15 52 11 61.4 89.4 -2.0 -80.7 43 F 1 12964 20 02 16 NGC6500 15 52 11 60.7 87.6 -2.1 -82.0 -7 1 3 12964 20 02 16 20 04 16 --- 15 54 11 61.2 87.8 -2.0 -82.1 112 F 1 13762 20 04 16 J1751+0939 15 54 11 59.9 105.4 -2.0 -66.9 -18 1 3 13762 20 04 16 20 05 15 =1749+096 15 55 11 60.1 105.6 -1.9 -66.8 42 F 1 14161 20 05 15 J1752+1734 15 55 11 62.1 89.7 -2.0 -80.7 -17 1 3 14161 20 05 15 20 06 15 =1750+175 15 56 11 62.3 89.7 -1.9 -80.7 43 F 1 14560 20 06 15 J1759+2343 15 56 11 61.2 76.5 -2.0 -91.8 -15 1 3 14560 20 06 15 20 07 15 =1756+237 15 57 11 61.5 76.5 -2.0 -91.9 45 F 1 14959 20 07 15 J1745+1814 15 57 11 64.2 88.9 -1.8 -82.1 -14 1 3 14959 20 07 15 20 08 15 =1743+182 15 58 11 64.5 89.0 -1.8 -82.1 46 F 1 15358 20 08 15 J1745+1720 15 58 11 64.4 91.1 -1.8 -80.2 -7 1 3 15358 20 08 15 20 09 15 =1743+173 15 59 11 64.7 91.2 -1.8 -80.2 52 F 1 15757 20 09 15 J1728+1215 15 59 11 67.3 106.1 -1.5 -67.7 -16 1 3 15757 20 09 15 20 10 15 =1725+123 16 00 11 67.6 106.3 -1.5 -67.5 44 F 1 16156 Schedule for VLBA_MK (Code Mk ) 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) ---------------------------------------------------------------------------------------- --- Wed 24 Dec 2003 Day 358 --- 20 10 15 J1751+0939 16 00 11 61.2 106.6 -1.9 -66.1 -19 1 3 16156 20 10 15 20 11 14 =1749+096 16 01 11 61.5 106.8 -1.8 -66.0 41 F 1 16555 20 11 14 J1752+1734 16 01 11 63.5 90.2 -1.9 -80.7 -17 1 3 16555 20 11 14 20 12 14 =1750+175 16 02 11 63.7 90.3 -1.8 -80.7 43 F 1 16954 20 12 14 NGC6500 16 02 11 63.1 88.3 -1.9 -82.2 -7 1 4 16954 20 12 14 20 14 14 --- 16 04 11 63.5 88.5 -1.9 -82.2 112 R 1 17449 20 14 14 J1751+0939 16 04 11 62.1 107.5 -1.8 -65.6 -19 1 4 17449 20 14 14 20 15 14 =1749+096 16 05 11 62.4 107.7 -1.8 -65.4 41 R 1 17050 20 15 14 J1752+1734 16 05 11 64.4 90.5 -1.8 -80.7 -17 1 4 17050 20 15 14 20 16 14 =1750+175 16 06 11 64.7 90.6 -1.8 -80.7 42 R 1 16651 20 16 14 NGC6500 16 06 11 64.0 88.6 -1.8 -82.3 -7 1 4 16651 20 16 14 20 18 13 --- 16 08 11 64.5 88.7 -1.8 -82.3 112 R 1 15853 20 18 13 J1751+0939 16 08 11 63.0 108.4 -1.7 -64.9 -19 1 4 15853 20 18 13 20 19 13 =1749+096 16 09 11 63.3 108.6 -1.7 -64.8 41 R 1 15454 20 19 13 J1752+1734 16 09 11 65.4 90.9 -1.7 -80.7 -18 1 4 15454 20 19 13 20 20 13 =1750+175 16 10 11 65.6 91.0 -1.7 -80.7 42 R 1 15055 20 20 13 NGC6500 16 10 11 64.9 88.9 -1.8 -82.3 -7 1 4 15055 20 20 13 20 22 13 --- 16 12 11 65.4 89.0 -1.7 -82.3 112 R 1 14257 20 22 13 J1751+0939 16 12 11 63.9 109.3 -1.7 -64.2 -20 1 4 14257 20 22 13 20 23 12 =1749+096 16 13 11 64.2 109.6 -1.6 -64.1 40 R 1 13858 20 23 12 J1752+1734 16 13 11 66.3 91.3 -1.7 -80.6 -18 1 4 13858 20 23 12 20 24 12 =1750+175 16 14 11 66.5 91.4 -1.6 -80.6 42 R 1 13460 20 24 12 NGC6500 16 14 11 65.9 89.2 -1.7 -82.4 -7 1 4 13460 20 24 12 20 26 12 --- 16 16 11 66.4 89.4 -1.7 -82.4 112 R 1 12662 20 26 12 J1751+0939 16 16 11 64.8 110.3 -1.6 -63.5 -20 1 4 12662 20 26 12 20 27 12 =1749+096 16 17 11 65.0 110.6 -1.6 -63.3 40 R 1 12263 20 27 12 J1752+1734 16 17 11 67.2 91.7 -1.6 -80.6 -19 1 4 12263 20 27 12 20 28 12 =1750+175 16 18 11 67.5 91.8 -1.6 -80.6 41 R 1 11864 Schedule for VLBA_MK (Code Mk ) 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) ---------------------------------------------------------------------------------------- --- Wed 24 Dec 2003 Day 358 --- 20 28 12 NGC6500 16 18 11 66.8 89.5 -1.6 -82.4 -7 1 4 11864 20 28 12 20 30 11 --- 16 20 11 67.3 89.7 -1.6 -82.4 112 R 1 11066 20 30 11 J1751+0939 16 20 11 65.7 111.4 -1.5 -62.7 -20 1 4 11066 20 30 11 20 31 11 =1749+096 16 21 11 65.9 111.7 -1.5 -62.5 39 R 1 10667 20 31 11 J1752+1734 16 21 11 68.2 92.1 -1.5 -80.5 -19 1 4 10667 20 31 11 20 32 11 =1750+175 16 22 11 68.4 92.2 -1.5 -80.5 41 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 08.154019 18 20 39.91157 * 18 20 17.66100 18 20 10.15199 From catalog imbedded in main SCHED input file. * J1642+3948 16 41 17.606214 * 16 42 58.809952 16 43 04.787276 1641+399 39 54 10.81489 * 39 48 36.99395 39 48 01.93129 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 16.074102 1725+123 12 18 03.42295 * 12 15 39.48600 12 15 22.53997 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 43.697869 1743+173 17 21 09.18610 * 17 20 01.42341 17 19 50.26497 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 04.321983 1743+182 18 15 56.63458 * 18 14 50.42224 18 14 39.35387 /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 42.052490 1749+096 09 39 42.82596 * 09 39 00.72851 09 38 51.87520 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 54.457997 1750+175 17 34 56.75234 * 17 34 20.35028 17 34 11.71458 /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 08.133465 1756+237 23 43 55.77912 * 23 43 46.95379 23 43 40.43806 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 41.9 J1642+3948 66.5 J1728+1215 37.2 J1745+1720 41.2 J1745+1814 42.1 J1751+0939 33.4 J1752+1734 41.2 J1759+2343 47.2 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