COVER INFORMATION Station: VLBA_LA (Code La ) Experiment: BN021 - VLBA fmt 6cm phase ref monitoring of LLAGNs Exp. Code: bn021da 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 finder: J0927+3902; else try J1153+4931 Phase-referencing used for all sources This subscript for NGC3998. Run up to 6 times Schedule for VLBA_LA (Code La ) 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) ---------------------------------------------------------------------------------------- --- Thu 23 Jan 2003 Day 23 --- 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 10 03 08 J1148+5254 11 07 30 71.4 20.0 -0.7 -152.7 0 1 1 0 10 03 08 10 05 08 =1146+531 11 09 30 71.5 19.1 -0.7 -153.9 120 F 1 798 10 05 08 J1158+4825 11 09 30 74.5 31.8 -0.8 -139.9 -14 1 1 798 10 05 08 10 06 08 =1155+486 11 10 30 74.6 31.4 -0.8 -140.5 45 F 1 1197 10 06 08 NGC3998 11 10 30 68.7 18.8 -0.8 -152.5 -18 1 1 1197 10 06 08 10 08 08 --- 11 12 30 68.8 18.1 -0.8 -153.6 102 F 1 1995 10 08 08 J1148+5254 11 12 30 71.7 17.8 -0.6 -155.7 -12 1 1 1995 10 08 08 10 09 07 =1146+531 11 13 30 71.8 17.4 -0.6 -156.3 48 F 1 2393 10 09 07 J1158+4825 11 13 30 74.9 29.9 -0.8 -142.5 -14 1 1 2393 10 09 07 10 10 07 =1155+486 11 14 30 75.0 29.4 -0.7 -143.2 46 F 1 2792 10 10 07 NGC3998 11 14 30 69.0 17.4 -0.7 -154.7 -18 1 1 2792 10 10 07 10 12 07 --- 11 16 30 69.1 16.7 -0.7 -155.8 102 F 1 3590 10 12 07 J1148+5254 11 16 30 71.9 16.0 -0.5 -158.2 -12 1 1 3590 10 12 07 10 13 07 =1146+531 11 17 30 72.0 15.6 -0.5 -158.8 48 F 1 3989 10 13 07 J1158+4825 11 17 30 75.3 27.8 -0.7 -145.3 -14 1 1 3989 10 13 07 10 14 07 =1155+486 11 18 30 75.4 27.2 -0.7 -146.0 46 F 1 4388 10 14 07 NGC3998 11 18 30 69.2 16.0 -0.7 -156.9 -18 1 1 4388 10 14 07 10 16 06 --- 11 20 30 69.3 15.2 -0.6 -158.0 101 F 1 5186 10 16 06 J1148+5254 11 20 30 72.2 14.2 -0.5 -160.7 -12 1 1 5186 10 16 06 10 17 06 =1146+531 11 21 30 72.2 13.7 -0.5 -161.4 48 F 1 5585 10 17 06 J1158+4825 11 21 30 75.6 25.6 -0.6 -148.2 -14 1 1 5585 10 17 06 10 18 06 =1155+486 11 22 30 75.7 25.0 -0.6 -148.9 46 F 1 5984 10 18 06 NGC3998 11 22 30 69.4 14.5 -0.6 -159.1 -19 1 1 5984 10 18 06 10 20 06 --- 11 24 30 69.5 13.7 -0.6 -160.2 101 F 1 6781 10 20 06 J1148+5254 11 24 30 72.3 12.3 -0.4 -163.3 -12 1 1 6781 10 20 06 10 21 05 =1146+531 11 25 30 72.4 11.8 -0.4 -164.0 48 F 1 7180 Schedule for VLBA_LA (Code La ) 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) ---------------------------------------------------------------------------------------- --- Thu 23 Jan 2003 Day 23 --- 10 21 05 J1158+4825 11 25 30 76.0 23.2 -0.6 -151.2 -14 1 1 7180 10 21 05 10 22 05 =1155+486 11 26 30 76.1 22.6 -0.5 -151.9 46 F 1 7579 10 22 05 NGC3998 11 26 30 69.6 12.9 -0.5 -161.3 -19 1 1 7579 10 22 05 10 24 05 --- 11 28 30 69.7 12.2 -0.5 -162.5 101 F 1 8377 10 24 05 J1148+5254 11 28 30 72.5 10.4 -0.3 -166.0 -12 1 1 8377 10 24 05 10 25 05 =1146+531 11 29 30 72.5 9.9 -0.3 -166.6 48 F 1 8776 10 25 05 J1158+4825 11 29 30 76.3 20.8 -0.5 -154.3 -13 1 1 8776 10 25 05 10 26 05 =1155+486 11 30 30 76.4 20.1 -0.5 -155.1 46 F 1 9175 10 26 05 J1128+5925 11 30 30 66.4 -0.7 0.0 178.9 -26 1 1 9175 10 26 05 10 27 24 =1125+596 11 31 50 66.4 -1.1 0.1 178.3 54 F 1 9707 10 27 24 J1208+5441 11 31 50 70.0 15.9 -0.6 -157.4 -17 1 1 9707 10 27 24 10 28 24 =1206+549 11 32 50 70.1 15.5 -0.6 -158.0 43 F 1 10106 10 28 24 J1146+5356 11 32 50 71.7 6.6 -0.2 -170.9 -12 1 1 10106 10 28 24 10 29 24 =1144+542 11 33 50 71.7 6.1 -0.2 -171.5 48 F 1 10505 10 29 24 J1153+4931 11 33 50 75.8 13.2 -0.3 -163.4 -14 1 1 10505 10 29 24 10 30 24 =1150+497 11 34 50 75.9 12.5 -0.3 -164.3 46 F 1 10903 10 30 24 J1148+5254 11 34 50 72.7 7.3 -0.2 -170.2 -12 1 1 10903 10 30 24 10 31 24 =1146+531 11 35 50 72.7 6.8 -0.2 -170.9 48 F 1 11302 10 31 24 J1158+4825 11 35 50 76.7 16.6 -0.4 -159.5 -14 1 1 11302 10 31 24 10 32 24 =1155+486 11 36 50 76.8 16.0 -0.4 -160.4 46 F 1 11701 10 32 24 NGC3998 11 36 50 70.0 8.8 -0.4 -167.3 -19 1 1 11701 10 32 24 10 34 23 --- 11 38 50 70.1 8.0 -0.3 -168.5 100 F 1 12499 10 34 23 J1148+5254 11 38 50 72.8 5.3 -0.2 -172.9 -11 1 1 12499 10 34 23 10 35 23 =1146+531 11 39 50 72.8 4.7 -0.2 -173.6 48 F 1 12898 10 35 23 J1158+4825 11 39 50 76.9 13.9 -0.3 -162.9 -14 1 1 12898 10 35 23 10 36 23 =1155+486 11 40 50 77.0 13.2 -0.3 -163.8 46 F 1 13297 10 36 23 NGC3998 11 40 50 70.1 7.2 -0.3 -169.6 -20 1 1 13297 10 36 23 10 38 23 --- 11 42 50 70.2 6.4 -0.3 -170.8 100 F 1 14095 Schedule for VLBA_LA (Code La ) 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) ---------------------------------------------------------------------------------------- --- Thu 23 Jan 2003 Day 23 --- 10 38 23 J1148+5254 11 42 50 72.9 3.2 -0.1 -175.7 -11 1 1 14095 10 38 23 10 39 22 =1146+531 11 43 50 72.9 2.7 -0.1 -176.4 48 F 1 14494 10 39 22 J1158+4825 11 43 50 77.1 11.0 -0.2 -166.5 -14 1 1 14494 10 39 22 10 40 22 =1155+486 11 44 50 77.1 10.3 -0.2 -167.4 45 F 1 14893 10 40 22 NGC3998 11 44 50 70.2 5.6 -0.2 -172.0 -20 1 1 14893 10 40 22 10 42 22 --- 11 46 50 70.2 4.7 -0.2 -173.2 100 F 1 15690 10 42 22 J1148+5254 11 46 50 72.9 1.2 0.0 -178.4 -11 1 1 15690 10 42 22 10 43 22 =1146+531 11 47 50 72.9 0.7 0.0 -179.1 49 F 1 16089 10 43 22 J1158+4825 11 47 50 77.2 8.1 -0.2 -170.1 -15 1 1 16089 10 43 22 10 44 22 =1155+486 11 48 50 77.2 7.4 -0.2 -171.0 45 F 1 16488 10 44 22 NGC3998 11 48 50 70.3 3.9 -0.2 -174.4 -20 1 1 16488 10 44 22 10 46 21 --- 11 50 50 70.3 3.1 -0.1 -175.6 100 F 1 17286 10 46 21 J1148+5254 11 50 50 72.9 -0.9 0.0 178.8 -11 1 2 17286 10 46 21 10 47 21 =1146+531 11 51 50 72.9 -1.4 0.0 178.1 49 R 1 16887 10 47 21 J1158+4825 11 51 50 77.3 5.1 -0.1 -173.7 -15 1 2 16887 10 47 21 10 48 21 =1155+486 11 52 50 77.3 4.4 -0.1 -174.6 45 R 1 16488 10 48 21 NGC3998 11 52 50 70.3 2.2 -0.1 -176.8 -20 1 2 16488 10 48 21 10 50 21 --- 11 54 50 70.3 1.4 -0.1 -178.0 100 R 1 15690 10 50 21 J1148+5254 11 54 50 72.9 -2.9 0.1 176.1 -11 1 2 15690 10 50 21 10 51 20 =1146+531 11 55 50 72.8 -3.4 0.1 175.4 49 R 1 15291 10 51 20 J1158+4825 11 55 50 77.4 2.1 0.0 -177.4 -15 1 2 15291 10 51 20 10 52 20 =1155+486 11 56 50 77.4 1.4 0.0 -178.3 45 R 1 14893 10 52 20 J1128+5925 11 56 50 65.9 -8.9 0.5 165.8 -29 1 2 14893 10 52 20 10 53 40 =1125+596 11 58 10 65.9 -9.3 0.5 165.1 51 R 1 14361 10 53 40 J1208+5441 11 58 10 71.0 4.8 -0.2 -173.2 -16 1 2 14361 10 53 40 10 54 40 =1206+549 11 59 10 71.0 4.4 -0.2 -173.8 44 R 1 13962 10 54 40 J1146+5356 11 59 10 71.7 -5.8 0.2 172.1 -13 1 2 13962 10 54 40 10 55 40 =1144+542 12 00 10 71.7 -6.2 0.2 171.4 47 R 1 13563 Schedule for VLBA_LA (Code La ) 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) ---------------------------------------------------------------------------------------- --- Thu 23 Jan 2003 Day 23 --- 10 55 40 J1153+4931 12 00 10 76.2 -4.5 0.1 174.4 -15 1 2 13563 10 55 40 10 56 40 =1150+497 12 01 10 76.2 -5.2 0.1 173.5 45 R 1 13164 10 58 41 J0927+3902 12 03 12 59.1 -72.1 2.6 83.6 71 1 2 13164 10 58 41 11 01 41 =0923+392 12 06 12 58.5 -72.0 2.6 83.3 180 R 1 11967 11 01 41 J1148+5254 12 06 12 72.6 -8.7 0.3 168.3 -48 1 2 11967 11 01 41 11 04 10 =1146+531 12 08 42 72.5 -9.9 0.3 166.7 101 R 1 10970 11 04 10 J1158+4825 12 08 42 77.2 -7.6 0.2 170.7 -15 1 2 10970 11 04 10 11 05 10 =1155+486 12 09 42 77.2 -8.3 0.2 169.8 44 R 1 10571 11 05 10 NGC3998 12 09 42 70.2 -4.9 0.2 173.0 -20 1 2 10571 11 05 10 11 07 10 --- 12 11 42 70.2 -5.7 0.2 171.8 100 R 1 9773 11 07 10 J1148+5254 12 11 42 72.4 -11.3 0.4 164.7 -10 1 2 9773 11 07 10 11 08 10 =1146+531 12 12 42 72.4 -11.8 0.4 164.0 49 R 1 9374 11 08 10 J1158+4825 12 12 42 77.1 -10.5 0.2 167.1 -15 1 2 9374 11 08 10 11 09 10 =1155+486 12 13 42 77.1 -11.3 0.3 166.2 44 R 1 8975 11 09 10 NGC3998 12 13 42 70.2 -6.5 0.3 170.6 -20 1 2 8975 11 09 10 11 11 09 --- 12 15 42 70.1 -7.3 0.3 169.5 100 R 1 8178 11 11 09 J1148+5254 12 15 42 72.3 -13.2 0.4 162.1 -10 1 2 8178 11 11 09 11 12 09 =1146+531 12 16 42 72.2 -13.7 0.5 161.4 50 R 1 7779 11 12 09 J1158+4825 12 16 42 76.9 -13.4 0.3 163.6 -15 1 2 7779 11 12 09 11 13 09 =1155+486 12 17 42 76.9 -14.1 0.3 162.7 44 R 1 7380 11 13 09 NGC3998 12 17 42 70.1 -8.2 0.3 168.3 -20 1 2 7380 11 13 09 11 15 09 --- 12 19 42 70.0 -9.0 0.4 167.1 100 R 1 6582 11 15 09 J1148+5254 12 19 42 72.1 -15.1 0.5 159.5 -10 1 2 6582 11 15 09 11 16 08 =1146+531 12 20 42 72.0 -15.6 0.5 158.9 50 R 1 6183 11 16 08 J1158+4825 12 20 42 76.7 -16.2 0.4 160.1 -15 1 2 6183 11 16 08 11 17 08 =1155+486 12 21 42 76.7 -16.8 0.4 159.3 44 R 1 5784 11 17 08 NGC3998 12 21 42 69.9 -9.8 0.4 165.9 -19 1 2 5784 11 17 08 11 19 08 --- 12 23 42 69.9 -10.6 0.4 164.8 100 R 1 4986 Schedule for VLBA_LA (Code La ) 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) ---------------------------------------------------------------------------------------- --- Thu 23 Jan 2003 Day 23 --- 11 19 08 J1148+5254 12 23 42 71.8 -16.9 0.6 157.0 -10 1 2 4986 11 19 08 11 20 08 =1146+531 12 24 42 71.8 -17.4 0.6 156.4 50 R 1 4587 11 20 08 J1158+4825 12 24 42 76.5 -18.8 0.4 156.8 -15 1 2 4587 11 20 08 11 21 08 =1155+486 12 25 42 76.4 -19.5 0.5 156.0 44 R 1 4189 11 21 08 NGC3998 12 25 42 69.8 -11.4 0.5 163.6 -19 1 2 4189 11 21 08 11 23 07 --- 12 27 42 69.7 -12.2 0.5 162.5 100 R 1 3391 11 23 07 J1148+5254 12 27 42 71.6 -18.7 0.6 154.5 -10 1 2 3391 11 23 07 11 24 07 =1146+531 12 28 42 71.5 -19.1 0.7 153.9 49 R 1 2992 11 24 07 J1158+4825 12 28 42 76.2 -21.4 0.5 153.5 -15 1 2 2992 11 24 07 11 25 07 =1155+486 12 29 42 76.1 -22.0 0.5 152.8 44 R 1 2593 11 25 07 J1128+5925 12 29 42 64.4 -18.1 1.0 150.3 -30 1 2 2593 11 25 07 11 26 27 =1125+596 12 31 02 64.3 -18.4 1.0 149.7 50 R 1 2061 11 26 27 J1208+5441 12 31 02 70.7 -9.6 0.4 166.4 -19 1 2 2061 11 26 27 11 27 27 =1206+549 12 32 02 70.7 -10.1 0.4 165.8 41 R 1 1662 11 27 27 J1146+5356 12 32 02 70.2 -19.9 0.8 152.0 -13 1 2 1662 11 27 27 11 28 26 =1144+542 12 33 02 70.2 -20.3 0.8 151.5 47 R 1 1263 11 28 26 J1153+4931 12 33 02 74.5 -24.6 0.7 148.7 -15 1 2 1263 11 28 26 11 29 26 =1150+497 12 34 02 74.4 -25.1 0.7 148.0 45 R 1 864 11 29 26 J1148+5254 12 34 02 71.1 -21.3 0.7 150.7 -13 1 2 864 11 29 26 11 30 26 =1146+531 12 35 02 71.1 -21.7 0.8 150.1 47 R 1 465 11 30 26 J1158+4825 12 35 02 75.7 -25.2 0.6 148.7 -15 1 2 465 11 30 26 11 31 26 =1155+486 12 36 02 75.6 -25.7 0.6 147.9 45 R 1 66 11 31 26 NGC3998 12 36 02 69.3 -15.3 0.6 157.8 -19 1 3 66 11 31 26 11 33 26 --- 12 38 02 69.2 -16.1 0.7 156.7 101 F 1 864 11 33 26 J1148+5254 12 38 02 70.8 -22.9 0.8 148.4 -11 1 3 864 11 33 26 11 34 25 =1146+531 12 39 02 70.8 -23.3 0.8 147.9 49 F 1 1263 11 34 25 J1158+4825 12 39 02 75.3 -27.4 0.7 145.8 -15 1 3 1263 11 34 25 11 35 25 =1155+486 12 40 02 75.2 -27.9 0.7 145.1 45 F 1 1662 Schedule for VLBA_LA (Code La ) 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) ---------------------------------------------------------------------------------------- --- Thu 23 Jan 2003 Day 23 --- 11 35 25 NGC3998 12 40 02 69.1 -16.8 0.7 155.6 -18 1 3 1662 11 35 25 11 37 25 --- 12 42 02 69.0 -17.5 0.7 154.5 101 F 1 2460 11 37 25 J1148+5254 12 42 02 70.5 -24.5 0.9 146.2 -11 1 3 2460 11 37 25 11 38 25 =1146+531 12 43 02 70.4 -24.8 0.9 145.6 49 F 1 2859 11 38 25 J1158+4825 12 43 02 75.0 -29.5 0.7 143.0 -15 1 3 2859 11 38 25 11 39 25 =1155+486 12 44 02 74.9 -30.0 0.8 142.3 45 F 1 3258 11 39 25 NGC3998 12 44 02 68.8 -18.2 0.8 153.4 -18 1 3 3258 11 39 25 11 41 24 --- 12 46 02 68.7 -18.9 0.8 152.4 102 F 1 4056 11 41 24 J1148+5254 12 46 02 70.2 -25.9 0.9 144.0 -11 1 3 4056 11 41 24 11 42 24 =1146+531 12 47 02 70.1 -26.3 1.0 143.5 49 F 1 4454 11 42 24 J1158+4825 12 47 02 74.5 -31.5 0.8 140.3 -15 1 3 4454 11 42 24 11 43 24 =1155+486 12 48 02 74.4 -32.0 0.8 139.7 45 F 1 4853 11 43 24 NGC3998 12 48 02 68.6 -19.6 0.8 151.3 -18 1 3 4853 11 43 24 11 45 24 --- 12 50 02 68.4 -20.3 0.9 150.3 102 F 1 5651 11 45 24 J1148+5254 12 50 02 69.8 -27.3 1.0 141.9 -11 1 3 5651 11 45 24 11 46 23 =1146+531 12 51 02 69.7 -27.7 1.0 141.4 49 F 1 6050 11 46 23 J1158+4825 12 51 02 74.1 -33.4 0.9 137.8 -15 1 3 6050 11 46 23 11 47 23 =1155+486 12 52 02 74.0 -33.8 0.9 137.2 45 F 1 6449 11 47 23 NGC3998 12 52 02 68.3 -20.9 0.9 149.3 -17 1 3 6449 11 47 23 11 49 23 --- 12 54 02 68.1 -21.6 0.9 148.2 102 F 1 7247 11 49 23 J1148+5254 12 54 02 69.4 -28.7 1.1 139.8 -11 1 3 7247 11 49 23 11 50 23 =1146+531 12 55 02 69.3 -29.0 1.1 139.3 49 F 1 7646 11 50 23 J1158+4825 12 55 02 73.7 -35.1 0.9 135.4 -15 1 3 7646 11 50 23 11 51 23 =1155+486 12 56 02 73.5 -35.5 1.0 134.8 45 F 1 8045 11 51 23 J1128+5925 12 56 02 62.4 -24.2 1.5 139.2 -28 1 3 8045 11 51 23 11 52 42 =1125+596 12 57 22 62.3 -24.5 1.5 138.6 52 F 1 8577 11 52 42 J1208+5441 12 57 22 69.3 -20.0 0.8 151.3 -20 1 3 8577 11 52 42 11 53 42 =1206+549 12 58 22 69.3 -20.4 0.8 150.7 40 F 1 8975 Schedule for VLBA_LA (Code La ) 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) ---------------------------------------------------------------------------------------- --- Thu 23 Jan 2003 Day 23 --- 11 53 42 J1146+5356 12 58 22 68.0 -28.8 1.2 138.4 -12 1 3 8975 11 53 42 11 54 42 =1144+542 12 59 22 67.9 -29.1 1.2 137.9 48 F 1 9374 11 54 42 J1153+4931 12 59 22 71.8 -36.0 1.1 132.7 -14 1 3 9374 11 54 42 11 55 42 =1150+497 13 00 22 71.7 -36.4 1.1 132.2 46 F 1 9773 11 55 42 J1148+5254 13 00 22 68.8 -30.7 1.2 136.7 -12 1 3 9773 11 55 42 11 56 42 =1146+531 13 01 22 68.7 -31.0 1.2 136.2 48 F 1 10172 11 56 42 J1158+4825 13 01 22 72.9 -37.6 1.0 131.8 -14 1 3 10172 11 56 42 11 57 42 =1155+486 13 02 22 72.8 -38.0 1.1 131.2 45 F 1 10571 11 57 42 NGC3998 13 02 22 67.5 -24.2 1.1 144.1 -17 1 3 10571 11 57 42 11 59 41 --- 13 04 22 67.3 -24.8 1.1 143.2 103 F 1 11369 11 59 41 J1148+5254 13 04 22 68.4 -31.9 1.3 134.8 -11 1 3 11369 11 59 41 12 00 41 =1146+531 13 05 22 68.3 -32.1 1.3 134.3 49 F 1 11768 12 00 41 J1158+4825 13 05 22 72.4 -39.1 1.1 129.6 -14 1 3 11768 12 00 41 12 01 41 =1155+486 13 06 22 72.3 -39.4 1.1 129.1 46 F 1 12167 12 01 41 NGC3998 13 06 22 67.1 -25.4 1.1 142.2 -16 1 3 12167 12 01 41 12 03 41 --- 13 08 22 67.0 -25.9 1.2 141.3 103 F 1 12964 12 03 41 J1148+5254 13 08 22 67.9 -33.0 1.3 132.9 -11 1 3 12964 12 03 41 12 04 40 =1146+531 13 09 22 67.8 -33.3 1.3 132.5 49 F 1 13363 12 04 40 J1158+4825 13 09 22 71.9 -40.4 1.2 127.6 -14 1 3 13363 12 04 40 12 05 40 =1155+486 13 10 22 71.7 -40.7 1.2 127.1 46 F 1 13762 12 05 40 NGC3998 13 10 22 66.8 -26.5 1.2 140.3 -16 1 3 13762 12 05 40 12 07 40 --- 13 12 22 66.6 -27.1 1.2 139.4 104 F 1 14560 12 07 40 J1148+5254 13 12 22 67.5 -34.0 1.4 131.2 -11 1 3 14560 12 07 40 12 08 40 =1146+531 13 13 22 67.4 -34.3 1.4 130.7 49 F 1 14959 12 08 40 J1158+4825 13 13 22 71.3 -41.7 1.2 125.7 -14 1 3 14959 12 08 40 12 09 40 =1155+486 13 14 22 71.2 -42.0 1.3 125.2 46 F 1 15358 12 09 40 NGC3998 13 14 22 66.4 -27.6 1.3 138.5 -16 1 3 15358 12 09 40 12 11 39 --- 13 16 22 66.2 -28.1 1.3 137.6 104 F 1 16156 Schedule for VLBA_LA (Code La ) 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) ---------------------------------------------------------------------------------------- --- Thu 23 Jan 2003 Day 23 --- 12 11 39 J1148+5254 13 16 22 67.0 -35.1 1.5 129.4 -11 1 3 16156 12 11 39 12 12 39 =1146+531 13 17 22 66.9 -35.3 1.5 129.0 49 F 1 16555 12 12 39 J1158+4825 13 17 22 70.8 -42.8 1.3 123.8 -14 1 3 16555 12 12 39 12 13 39 =1155+486 13 18 22 70.7 -43.1 1.3 123.4 46 F 1 16954 12 13 39 NGC3998 13 18 22 66.0 -28.6 1.3 136.7 -16 1 4 16954 12 13 39 12 15 39 --- 13 20 22 65.8 -29.1 1.4 135.9 104 R 1 17449 12 15 39 J1148+5254 13 20 22 66.6 -36.0 1.5 127.8 -11 1 4 17449 12 15 39 12 16 38 =1146+531 13 21 22 66.4 -36.2 1.5 127.3 49 R 1 17050 12 16 38 J1158+4825 13 21 22 70.2 -43.9 1.4 122.1 -14 1 4 17050 12 16 38 12 17 38 =1155+486 13 22 22 70.1 -44.2 1.4 121.6 46 R 1 16651 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) * NGC3998 * 11 55 20.900000 11 57 56.086142 11 58 06.254396 * 55 43 54.99980 55 27 13.26837 55 26 00.76083 From catalog imbedded in main SCHED input file. * J0927+3902 09 23 55.319195 * 09 27 03.013916 09 27 15.192077 0923+392 39 15 23.56655 * 39 02 20.85195 39 01 31.28823 4C39.25 /home/filehost/cwalker/sched/catalogs/sources.vlba J0927+39 ICRF - Ext.1 Source - 1998 IERS Annual Report * J1128+5925 11 25 23.181659 * 11 28 13.340684 11 28 24.806895 1125+596 59 41 46.14452 * 59 25 14.79921 59 24 04.19679 J1128+59 /home/filehost/cwalker/sched/catalogs/sources.vlba ICRF - Ext.1 Source - 1998 IERS Annual Report * J1146+5356 11 44 04.579651 * 11 46 44.204327 11 46 54.648979 1144+542 54 13 22.89875 * 53 56 43.08305 53 55 31.44465 J1146+53 /home/filehost/cwalker/sched/catalogs/sources.vlba VLBA Calib. Survey - ICRF Frame - reduced by GSFC group - Aug 2001 * J1148+5254 11 46 18.018988 * 11 48 56.569015 11 49 06.894402 1146+531 53 11 05.71107 * 52 54 25.32333 52 53 13.65288 /home/filehost/cwalker/sched/catalogs/sources.vlba VLBA Calib. Survey - ICRF Frame - reduced by GSFC group - Aug 2001 * J1153+4931 11 50 47.999842 * 11 53 24.466625 11 53 34.522268 1150+497 49 47 50.09411 * 49 31 08.83014 49 29 57.30879 J1153+49 /home/filehost/cwalker/sched/catalogs/sources.vlba ICRF - Ext.1 Source - 1998 IERS Annual Report * J1158+4825 11 55 52.072738 * 11 58 26.769514 11 58 36.655351 1155+486 48 41 58.01330 * 48 25 16.22922 48 24 04.58330 /home/filehost/cwalker/sched/catalogs/sources.vlba VLBA Calib. Survey - ICRF Frame - reduced by GSFC group - Aug 2001 * J1208+5441 12 06 23.662549 * 12 08 54.256393 12 09 04.042127 1206+549 54 58 39.44535 * 54 41 58.16477 54 40 45.21274 /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) NGC3998 126.0 J0927+3902 155.8 J1128+5925 128.0 J1146+5356 128.0 J1148+5254 128.1 J1153+4931 128.4 J1158+4825 127.9 J1208+5441 124.7 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