COVER INFORMATION Station: VLBA_NL (Code Nl ) Experiment: BM229 VLBA format 7 mm ~ 0200-1800 LST Exp. Code: BM229C Schedule Version: 1.00 Processed by SCHED version: 6.02 July 2005 PI: Alan P. Marscher Address: Dept. of Astronomy, Boston University 725 Commonwealth Ave. Boston, MA 02215 Phone: (617)353-5029 (office) or (508)788-8317 (home) EMAIL: marscher@bu.edu Fax: (617)353-5704 Phone during observation: (617)353-5029 (office) or (508)788-8317 (home) Observing mode: continuum Notes: Use all available antennas Program sources: 3C273, 3C279, 1510-089, BL Lac Calibrators: CTA102, 3C446, 3C454.3 Can use 3C279 or 3C454.3 as a fringe finder Schedule for VLBA_NL (Code Nl ) Page 2 BM229 VLBA format 7 mm ~ 0200-1800 LST 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). SYNC: Time correlator is expected to sync up. 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) SYNC ---------------------------------------------------------------------------------------- --- Sat 27 Aug 2005 Day 239 --- Next scan frequencies: 43201.49 43201.49 43209.49 43209.49 43217.49 43217.49 43225.49 43225.49 Next BBC frequencies: 801.49 801.49 809.49 809.49 817.49 817.49 825.49 825.49 Next scan bandwidths: 8.00 8.00 8.00 8.00 8.00 8.00 8.00 8.00 17 48 14 3C273 10 06 11 38.9 131.3 -2.4 -34.1 0 1 1 0 17 48 14 17 58 12 --- 10 16 11 40.3 134.0 -2.2 -32.5 598 F 1 3989 17 48 27 17 58 12 3C279 10 16 11 30.0 132.3 -2.7 -33.7 -27 1 1 3989 17 58 12 18 08 11 --- 10 26 11 31.4 134.7 -2.5 -32.2 572 F 1 7978 17 58 12 18 08 11 3C273 10 26 11 41.6 136.8 -2.1 -30.7 -26 1 1 7978 18 08 11 18 18 09 --- 10 36 11 42.8 139.8 -1.9 -28.8 572 F 1 11967 18 08 11 18 18 09 3C279 10 36 11 32.7 137.2 -2.3 -30.6 -26 1 1 11967 18 18 09 18 28 07 --- 10 46 11 33.9 139.8 -2.2 -28.9 572 F 1 15956 18 18 09 18 28 07 3C273 10 46 11 44.0 142.8 -1.7 -26.8 -26 1 2 15956 18 28 07 18 38 06 --- 10 56 11 45.1 146.0 -1.6 -24.7 572 R 1 15255 18 28 07 18 38 06 3C279 10 56 11 35.1 142.5 -2.0 -27.2 -26 1 2 15255 18 38 06 18 48 04 --- 11 06 11 36.2 145.2 -1.8 -25.3 572 R 1 11266 18 38 06 18 48 04 3C273 11 06 11 46.1 149.2 -1.4 -22.4 -26 1 2 11266 18 48 04 18 58 03 --- 11 16 11 47.0 152.6 -1.2 -20.1 573 R 1 7276 18 48 04 18 58 03 3C279 11 16 11 37.2 148.0 -1.7 -23.4 -26 1 2 7276 18 58 03 19 08 01 --- 11 26 11 38.1 151.0 -1.5 -21.3 573 R 1 3287 18 58 03 19 08 01 3C273 11 26 11 47.8 156.1 -1.1 -17.6 -25 1 3 3287 19 08 01 19 17 59 --- 11 36 11 48.5 159.7 -0.9 -15.0 573 F 1 702 19 08 01 19 17 59 3C279 11 36 11 39.0 153.9 -1.3 -19.2 -25 1 3 702 19 17 59 19 27 58 --- 11 46 11 39.8 157.0 -1.2 -17.0 573 F 1 4691 19 17 59 19 27 58 3C273 11 46 11 49.1 163.4 -0.7 -12.3 -25 1 3 4691 19 27 58 19 37 56 --- 11 56 11 49.6 167.2 -0.6 -9.6 574 F 1 8680 19 27 58 19 37 56 3C279 11 56 11 40.5 160.1 -1.0 -14.8 -24 1 3 8680 19 37 56 19 47 54 --- 12 06 11 41.0 163.3 -0.8 -12.4 574 F 1 12669 19 37 56 Schedule for VLBA_NL (Code Nl ) Page 3 BM229 VLBA format 7 mm ~ 0200-1800 LST 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). SYNC: Time correlator is expected to sync up. 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) SYNC ---------------------------------------------------------------------------------------- --- Sat 27 Aug 2005 Day 239 --- 19 49 54 3C273 12 08 11 50.0 171.7 -0.4 -6.1 96 1 3 12669 19 49 54 19 55 53 --- 12 14 11 50.1 174.1 -0.3 -4.4 359 F 1 15062 19 50 07 19 55 53 3C279 12 14 11 41.4 165.9 -0.7 -10.5 -23 1 3 15062 19 55 53 20 01 52 --- 12 20 11 41.7 167.9 -0.6 -9.1 336 F 1 17456 19 55 53 20 01 52 1510-089 12 20 11 25.5 131.5 -2.9 -34.5 -38 1 4 17456 20 01 52 20 07 51 --- 12 26 11 26.4 132.8 -2.8 -33.6 321 R 1 15062 20 01 52 20 07 51 3C273 12 26 11 50.2 178.7 -0.1 -0.9 -54 1 4 15062 20 07 51 20 14 50 --- 12 33 11 50.2 181.5 0.1 1.1 365 R 1 12270 20 07 51 20 14 50 3C279 12 33 11 42.1 172.2 -0.4 -5.9 -22 1 4 12270 20 14 50 20 21 49 --- 12 40 11 42.3 174.5 -0.3 -4.1 397 R 1 9478 20 14 50 20 21 49 1510-089 12 40 11 28.2 136.1 -2.5 -31.6 -34 1 4 9478 20 21 49 20 27 48 --- 12 46 11 29.0 137.5 -2.4 -30.7 325 R 1 7084 20 21 49 20 27 48 3C273 12 46 11 50.1 186.5 0.3 4.9 -48 1 4 7084 20 27 48 20 34 47 --- 12 53 11 49.9 189.3 0.4 6.9 371 R 1 4292 20 27 48 20 34 47 3C279 12 53 11 42.4 178.9 -0.1 -0.8 -21 1 4 4292 20 34 47 20 41 46 --- 13 00 11 42.4 181.3 0.1 0.9 398 R 1 1500 20 34 47 20 41 46 1510-089 13 00 11 30.7 141.0 -2.2 -28.4 -33 1 5 1500 20 41 46 20 47 45 --- 13 06 11 31.4 142.5 -2.1 -27.4 326 F 1 894 20 41 46 20 47 45 3C273 13 06 11 49.4 194.2 0.6 10.6 -42 1 5 894 20 47 45 20 54 43 --- 13 13 11 49.1 196.8 0.7 12.5 377 F 1 3686 20 47 45 20 54 43 3C279 13 13 11 42.3 185.6 0.3 4.2 -20 1 5 3686 20 54 43 21 01 42 --- 13 20 11 42.1 188.0 0.4 6.0 399 F 1 6479 20 54 43 21 01 42 1510-089 13 20 11 32.9 146.2 -1.9 -24.9 -34 1 5 6479 21 01 42 21 07 41 --- 13 26 11 33.5 147.8 -1.8 -23.7 325 F 1 8872 21 01 42 21 07 41 3C273 13 26 11 48.3 201.6 0.9 15.9 -42 1 5 8872 21 07 41 21 14 40 --- 13 33 11 47.7 204.1 1.1 17.7 377 F 1 11664 21 07 41 21 14 40 3C279 13 33 11 41.7 192.3 0.6 9.2 -18 1 5 11664 21 14 40 21 21 39 --- 13 40 11 41.4 194.6 0.7 10.9 401 F 1 14457 21 14 40 Schedule for VLBA_NL (Code Nl ) Page 4 BM229 VLBA format 7 mm ~ 0200-1800 LST 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). SYNC: Time correlator is expected to sync up. 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) SYNC ---------------------------------------------------------------------------------------- --- Sat 27 Aug 2005 Day 239 --- 21 21 39 1510-089 13 40 11 34.8 151.7 -1.5 -21.0 -35 1 5 14457 21 21 39 21 27 38 --- 13 46 11 35.3 153.4 -1.4 -19.8 324 F 1 16850 21 21 39 21 27 38 3C273 13 46 11 46.7 208.6 1.3 20.9 -43 1 6 16850 21 27 38 21 34 37 --- 13 53 11 46.0 211.0 1.4 22.6 376 R 1 15557 21 27 38 21 34 37 3C279 13 53 11 40.7 198.7 0.9 13.9 -17 1 6 15557 21 34 37 21 41 36 --- 14 00 11 40.2 201.0 1.1 15.6 402 R 1 12765 21 34 37 21 41 36 1510-089 14 00 11 36.4 157.4 -1.2 -16.9 -35 1 6 12765 21 41 36 21 47 35 --- 14 06 11 36.8 159.2 -1.1 -15.6 324 R 1 10372 21 41 36 21 49 34 3C273 14 08 11 44.5 215.8 1.6 25.9 76 1 6 10372 21 49 34 21 55 33 --- 14 14 11 43.8 217.7 1.7 27.1 359 R 1 7978 21 49 47 21 55 33 3C279 14 14 11 39.2 205.3 1.3 18.7 -15 1 6 7978 21 55 33 22 01 32 --- 14 20 11 38.7 207.1 1.4 20.0 344 R 1 5585 21 55 33 22 01 32 1510-089 14 20 11 37.7 163.4 -0.9 -12.5 -35 1 6 5585 22 01 32 22 07 31 --- 14 26 11 38.0 165.2 -0.8 -11.1 324 R 1 3191 22 01 32 22 07 31 3C273 14 26 11 42.4 221.3 1.9 29.5 -43 1 6 3191 22 07 31 22 14 30 --- 14 33 11 41.5 223.3 2.1 30.8 375 R 1 399 22 07 31 22 14 30 3C279 14 33 11 37.5 210.9 1.6 22.7 -14 1 7 399 22 14 30 22 21 29 --- 14 40 11 36.9 212.9 1.7 24.1 405 F 1 3191 22 14 30 22 21 29 1510-089 14 40 11 38.5 169.6 -0.5 -7.9 -35 1 7 3191 22 21 29 22 27 28 --- 14 46 11 38.7 171.5 -0.4 -6.4 324 F 1 5585 22 21 29 22 27 28 3C273 14 46 11 39.8 227.0 2.3 33.1 -43 1 7 5585 22 27 28 22 34 27 --- 14 53 11 38.8 228.9 2.4 34.2 376 F 1 8377 22 27 28 22 34 27 3C279 14 53 11 35.5 216.6 1.9 26.5 -14 1 7 8377 22 34 27 22 41 26 --- 15 00 11 34.7 218.4 2.1 27.8 405 F 1 11169 22 34 27 22 41 26 1510-089 15 00 11 39.0 175.9 -0.2 -3.1 -34 1 7 11169 22 41 26 22 47 25 --- 15 06 11 39.1 177.8 -0.1 -1.7 325 F 1 13563 22 41 26 22 47 25 3C273 15 06 11 37.0 232.2 2.6 36.1 -42 1 7 13563 22 47 25 22 54 24 --- 15 13 11 35.9 234.0 2.7 37.1 377 F 1 16355 22 47 25 Schedule for VLBA_NL (Code Nl ) Page 5 BM229 VLBA format 7 mm ~ 0200-1800 LST 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). SYNC: Time correlator is expected to sync up. 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) SYNC ---------------------------------------------------------------------------------------- --- Sat 27 Aug 2005 Day 239 --- 22 54 24 3C279 15 13 11 33.1 221.9 2.3 30.0 -14 1 8 16355 22 54 24 23 01 23 --- 15 20 11 32.2 223.6 2.4 31.2 405 R 1 16052 22 54 24 23 01 23 1510-089 15 20 11 39.1 182.2 0.1 1.7 -34 1 8 16052 23 01 23 23 07 22 --- 15 26 11 39.0 184.1 0.2 3.1 325 R 1 13659 23 01 23 23 07 22 3C273 15 26 11 33.9 237.1 2.9 38.8 -41 1 8 13659 23 07 22 23 14 20 --- 15 33 11 32.8 238.7 3.1 39.6 378 R 1 10867 23 07 22 23 14 20 3C279 15 33 11 30.5 226.8 2.6 33.2 -14 1 8 10867 23 14 20 23 21 19 --- 15 40 11 29.5 228.5 2.7 34.2 405 R 1 8074 23 14 20 23 21 19 1510-089 15 40 11 38.7 188.6 0.5 6.5 -33 1 8 8074 23 21 19 23 27 18 --- 15 46 11 38.5 190.5 0.6 7.9 326 R 1 5681 23 21 19 23 27 18 3C273 15 46 11 30.7 241.6 3.3 41.0 -40 1 8 5681 23 27 18 23 34 17 --- 15 53 11 29.5 243.1 3.4 41.7 379 R 1 2888 23 27 18 23 34 17 3C279 15 53 11 27.7 231.5 2.9 35.9 -14 1 8 2888 23 34 17 23 41 16 --- 16 00 11 26.6 233.1 3.1 36.8 405 R 1 96 23 34 17 23 41 16 1510-089 16 00 11 38.0 194.8 0.8 11.1 -32 1 9 96 23 41 16 23 47 15 --- 16 06 11 37.7 196.6 0.9 12.5 327 F 1 2490 23 41 16 23 49 15 3C273 16 08 11 27.0 246.3 3.6 43.1 81 1 9 2490 23 49 15 23 55 14 --- 16 14 11 26.0 247.5 3.7 43.6 359 F 1 4883 23 49 28 --- Start: Sat 27 Aug 2005 Day 239 -- Stop: Sun 28 Aug 2005 Day 240 --- 23 55 14 3C279 16 14 11 24.5 236.2 3.3 38.5 -14 1 9 4883 23 55 14 00 01 13 --- 16 20 11 23.6 237.4 3.4 39.2 345 F 1 7276 23 55 14 00 01 13 1510-089 16 20 11 36.8 200.8 1.1 15.6 -32 1 9 7276 00 01 13 00 07 12 --- 16 26 11 36.4 202.6 1.2 16.9 327 F 1 9670 00 01 13 00 07 12 3C273 16 26 11 23.9 249.9 3.9 44.5 -38 1 9 9670 00 07 12 00 14 11 --- 16 33 11 22.7 251.2 4.1 45.0 381 F 1 12462 00 07 12 00 14 11 3C279 16 33 11 21.5 240.1 3.6 40.5 -13 1 9 12462 00 14 11 00 21 09 --- 16 40 11 20.4 241.5 3.7 41.2 405 F 1 15255 00 14 11 00 21 09 1510-089 16 40 11 35.3 206.7 1.5 19.8 -36 1 10 15255 00 21 09 00 27 08 --- 16 46 11 34.8 208.4 1.6 21.0 323 R 1 17552 00 21 09 Schedule for VLBA_NL (Code Nl ) Page 6 BM229 VLBA format 7 mm ~ 0200-1800 LST 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). SYNC: Time correlator is expected to sync up. 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) SYNC ---------------------------------------------------------------------------------------- --- Sun 28 Aug 2005 Day 240 --- 00 27 08 3C273 16 46 11 20.4 253.7 4.3 45.7 -36 1 10 17552 00 27 08 00 34 07 --- 16 53 11 19.1 255.0 4.4 46.1 383 R 1 14760 00 27 08 00 34 07 3C279 16 53 11 18.2 244.1 3.9 42.4 -13 1 10 14760 00 34 07 00 41 06 --- 17 00 11 17.0 245.4 4.1 43.0 406 R 1 11967 00 34 07 00 41 06 1510-089 17 00 11 33.5 212.2 1.8 23.7 -39 1 10 11967 00 41 06 00 47 05 --- 17 06 11 32.9 213.8 1.9 24.9 320 R 1 9574 00 41 06 00 47 05 3C273 17 06 11 16.8 257.3 4.6 46.7 -38 1 10 9574 00 47 05 00 54 04 --- 17 13 11 15.5 258.6 4.7 47.0 381 R 1 6781 00 47 05 00 54 04 3C279 17 13 11 14.8 247.9 4.3 44.0 -13 1 10 6781 00 54 04 01 01 03 --- 17 20 11 13.6 249.2 4.4 44.5 406 R 1 3989 00 54 04 01 01 03 1510-089 17 20 11 31.4 217.5 2.1 27.4 -42 1 10 3989 01 01 03 01 07 02 --- 17 26 11 30.7 219.0 2.2 28.4 317 R 1 1596 01 01 03 01 07 02 3C273 17 26 11 13.1 260.8 4.9 47.5 -41 1 11 1596 01 07 02 01 14 01 --- 17 33 11 11.8 262.1 5.1 47.7 378 F 1 1197 01 07 02 01 14 01 3C279 17 33 11 11.3 251.5 4.6 45.3 -13 1 11 1197 01 14 01 01 21 00 --- 17 40 11 10.1 252.7 4.7 45.7 406 F 1 3989 01 14 01 01 21 00 1510-089 17 40 11 29.0 222.5 2.5 30.7 -44 1 11 3989 01 21 00 01 26 59 --- 17 46 11 28.2 223.9 2.6 31.6 315 F 1 6383 01 21 00 01 26 59 3C273 17 46 11 9.4 264.3 5.3 47.9 -44 1 11 6383 01 26 59 01 33 58 --- 17 53 11 8.1 265.5 5.4 48.1 375 F 1 9175 01 26 59 01 33 58 3C279 17 53 11 7.7 255.0 4.9 46.4 -13 1 11 9175 01 33 58 01 40 56 --- 18 00 11 6.5 256.2 5.1 46.7 406 F 1 11967 01 33 58 01 40 56 1510-089 18 00 11 26.3 227.2 2.8 33.7 -46 1 11 11967 01 40 56 01 46 55 --- 18 06 11 25.5 228.6 2.9 34.5 313 F 1 14361 01 40 56 01 48 55 BLLAC 18 08 11 47.3 68.7 -3.9 -70.0 7 1 11 14361 01 48 55 01 56 54 --- 18 16 11 48.7 69.5 -3.8 -70.8 479 F 1 17552 01 49 08 01 56 54 1510-089 18 16 11 24.1 230.8 3.1 35.8 -114 1 12 17552 01 56 54 02 06 52 --- 18 26 11 22.6 233.0 3.2 37.1 485 R 1 13563 01 56 54 Schedule for VLBA_NL (Code Nl ) Page 7 BM229 VLBA format 7 mm ~ 0200-1800 LST 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). SYNC: Time correlator is expected to sync up. 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) SYNC ---------------------------------------------------------------------------------------- --- Sun 28 Aug 2005 Day 240 --- 02 06 52 BLLAC 18 26 11 50.4 70.4 -3.6 -71.8 -114 1 12 13563 02 06 52 02 16 50 --- 18 36 11 52.2 71.3 -3.4 -72.8 484 R 1 9574 02 06 52 02 16 50 1510-089 18 36 11 21.1 235.1 3.4 38.3 -115 1 12 9574 02 16 50 02 26 49 --- 18 46 11 19.6 237.1 3.6 39.4 483 R 1 5585 02 16 50 02 26 49 BLLAC 18 46 11 54.0 72.2 -3.3 -73.7 -116 1 12 5585 02 26 49 02 36 47 --- 18 56 11 55.8 73.0 -3.1 -74.7 482 R 1 1596 02 26 49 02 36 47 1510-089 18 56 11 18.0 239.1 3.7 40.4 -117 1 13 1596 02 36 47 02 46 46 --- 19 06 11 16.4 241.1 3.9 41.4 482 F 1 2393 02 36 47 02 46 46 BLLAC 19 06 11 57.5 73.9 -2.9 -75.7 -117 1 13 2393 02 46 46 02 52 45 --- 19 12 11 58.6 74.4 -2.8 -76.3 242 F 1 4787 02 46 46 02 52 45 3C446 19 12 11 25.8 124.0 -3.2 -38.3 -72 1 13 4787 02 52 45 02 55 44 --- 19 15 11 26.3 124.7 -3.2 -38.0 108 F 1 5984 02 52 45 02 55 44 CTA102 19 15 11 37.6 110.1 -3.3 -45.7 -29 1 13 5984 02 55 44 02 58 44 --- 19 18 11 38.2 110.8 -3.2 -45.4 151 F 1 7180 02 55 44 02 58 44 1510-089 19 18 11 14.4 243.3 4.1 42.5 -94 1 13 7180 02 58 44 03 06 42 --- 19 26 11 13.0 244.8 4.2 43.1 384 F 1 10372 02 58 44 03 06 42 BLLAC 19 26 11 61.1 75.6 -2.6 -77.6 -119 1 13 10372 03 06 42 03 12 41 --- 19 32 11 62.2 76.1 -2.5 -78.2 240 F 1 12765 03 06 42 03 12 41 3C446 19 32 11 28.8 128.5 -2.9 -35.9 -73 1 13 12765 03 12 41 03 15 41 --- 19 35 11 29.3 129.2 -2.8 -35.5 107 F 1 13962 03 12 41 03 15 41 CTA102 19 35 11 41.1 114.6 -3.0 -43.8 -30 1 13 13962 03 15 41 03 18 40 --- 19 38 11 41.6 115.3 -2.9 -43.5 150 F 1 15158 03 15 41 03 18 40 1510-089 19 38 11 11.0 247.0 4.4 44.1 -94 1 14 15158 03 18 40 03 26 39 --- 19 46 11 9.6 248.5 4.6 44.6 385 R 1 16850 03 18 40 03 28 39 BLLAC 19 48 11 65.1 77.3 -2.2 -79.7 0 1 14 16850 03 28 39 03 36 37 --- 19 56 11 66.6 78.0 -2.1 -80.5 479 R 1 13659 03 28 52 03 36 37 1510-089 19 56 11 7.9 250.2 4.7 45.3 -123 1 14 13659 03 36 37 03 46 36 --- 20 06 11 6.1 252.0 4.9 45.9 475 R 1 9670 03 36 37 Schedule for VLBA_NL (Code Nl ) Page 8 BM229 VLBA format 7 mm ~ 0200-1800 LST 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). SYNC: Time correlator is expected to sync up. 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) SYNC ---------------------------------------------------------------------------------------- --- Sun 28 Aug 2005 Day 240 --- 03 46 36 BLLAC 20 06 11 68.4 78.7 -1.9 -81.5 -131 1 14 9670 03 46 36 03 52 35 --- 20 12 11 69.5 79.2 -1.8 -82.1 228 R 1 7277 03 46 36 03 52 35 3C446 20 12 11 34.2 138.3 -2.2 -29.8 -77 1 14 7277 03 52 35 03 55 34 --- 20 15 11 34.6 139.1 -2.2 -29.3 103 R 1 6080 03 52 35 03 55 34 CTA102 20 15 11 47.6 124.9 -2.3 -38.7 -32 1 14 6080 03 55 34 03 58 34 --- 20 18 11 48.0 125.7 -2.2 -38.2 148 R 1 4883 03 55 34 03 58 34 1510-089 20 18 11 4.0 254.0 5.1 46.6 -94 1 14 4883 03 58 34 04 06 32 --- 20 26 11 2.5 255.4 5.2 47.0 385 R 1 1692 03 58 34 ----------- Tape Change ------------ 04 06 32 BLLAC 20 26 11 72.1 80.2 -1.6 -83.5 -145 2 1 1692 04 06 32 04 16 31 --- 20 36 11 73.9 80.8 -1.4 -84.6 453 F 1 2297 04 06 32 04 26 29 BLLAC 20 46 11 75.8 81.4 -1.3 -85.7 589 2 1 2297 04 26 29 04 34 28 --- 20 54 11 77.2 81.8 -1.1 -86.6 479 F 1 5489 04 26 42 04 34 28 3C446 20 54 11 38.8 150.0 -1.5 -21.9 -83 2 1 5489 04 34 28 04 38 27 --- 20 58 11 39.2 151.2 -1.5 -21.1 157 F 1 7084 04 34 28 04 38 27 CTA102 20 58 11 53.6 138.6 -1.6 -30.3 -35 2 1 7084 04 38 27 04 42 27 --- 21 02 11 54.0 140.0 -1.5 -29.3 205 F 1 8680 04 38 27 04 42 27 3C454.3 21 02 11 54.9 128.4 -1.9 -37.5 -14 2 1 8680 04 42 27 04 46 26 --- 21 06 11 55.5 129.7 -1.8 -36.7 226 F 1 10275 04 42 27 04 46 26 BLLAC 21 06 11 79.5 82.3 -0.9 -88.1 -54 2 1 10275 04 46 26 04 54 25 --- 21 14 11 80.9 82.5 -0.8 -89.3 425 F 1 13467 04 46 26 04 54 25 3C446 21 14 11 40.5 156.1 -1.2 -17.6 -87 2 1 13467 04 54 25 04 58 24 --- 21 18 11 40.8 157.4 -1.1 -16.7 153 F 1 15062 04 54 25 04 58 24 CTA102 21 18 11 55.8 146.1 -1.2 -25.2 -36 2 1 15062 04 58 24 05 02 23 --- 21 22 11 56.2 147.6 -1.2 -24.1 203 F 1 16658 04 58 24 05 02 23 3C454.3 21 22 11 57.7 135.4 -1.5 -33.0 -14 2 2 16658 05 02 23 05 06 23 --- 21 26 11 58.2 136.9 -1.5 -32.0 225 R 1 16946 05 02 23 05 06 23 BLLAC 21 26 11 83.2 82.5 -0.6 -91.4 -56 2 2 16946 05 06 23 05 14 21 --- 21 34 11 84.6 81.9 -0.5 -93.3 423 R 1 13755 05 06 23 Schedule for VLBA_NL (Code Nl ) Page 9 BM229 VLBA format 7 mm ~ 0200-1800 LST 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). SYNC: Time correlator is expected to sync up. 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) SYNC ---------------------------------------------------------------------------------------- --- Sun 28 Aug 2005 Day 240 --- 05 14 21 3C446 21 34 11 41.8 162.5 -0.9 -13.0 -92 2 2 13755 05 14 21 05 18 21 --- 21 38 11 42.0 163.8 -0.8 -12.0 148 R 1 12160 05 14 21 05 18 21 CTA102 21 38 11 57.7 154.3 -0.9 -19.3 -37 2 2 12160 05 18 21 05 22 20 --- 21 42 11 58.0 156.1 -0.8 -18.0 202 R 1 10564 05 18 21 05 22 20 3C454.3 21 42 11 60.1 143.4 -1.2 -27.6 -14 2 2 10564 05 22 20 05 26 19 --- 21 46 11 60.5 145.2 -1.1 -26.3 225 R 1 8968 05 22 20 05 26 19 BLLAC 21 46 11 86.8 78.9 -0.3 -98.3 -59 2 2 8968 05 26 19 05 34 18 --- 21 54 11 88.3 71.2 -0.1 -107.4 420 R 1 5777 05 26 19 05 34 18 3C446 21 54 11 42.7 169.1 -0.5 -8.1 -97 2 2 5777 05 34 18 05 38 17 --- 21 58 11 42.9 170.5 -0.5 -7.1 142 R 1 4181 05 34 18 05 38 17 CTA102 21 58 11 59.0 163.3 -0.6 -12.6 -38 2 2 4181 05 38 17 05 42 17 --- 22 02 11 59.2 165.2 -0.5 -11.2 201 R 1 2586 05 38 17 05 42 17 3C454.3 22 02 11 62.1 152.5 -0.9 -21.0 -14 2 2 2586 05 42 17 05 46 16 --- 22 06 11 62.4 154.4 -0.8 -19.6 225 R 1 990 05 42 17 05 48 16 BLLAC 22 08 11 88.9 299.3 0.1 118.5 17 2 3 990 05 48 16 05 56 14 --- 22 16 11 87.5 283.4 0.2 101.2 479 F 1 2201 05 48 29 05 56 14 3C446 22 16 11 43.3 176.6 -0.2 -2.5 -94 2 3 2201 05 56 14 05 59 14 --- 22 19 11 43.3 177.6 -0.1 -1.8 85 F 1 3398 05 56 14 05 59 14 CTA102 22 19 11 59.8 173.3 -0.2 -5.1 -39 2 3 3398 05 59 14 06 02 13 --- 22 22 11 59.9 174.8 -0.2 -4.0 140 F 1 4595 05 59 14 06 02 13 3C454.3 22 22 11 63.5 162.5 -0.5 -13.5 -14 2 3 4595 06 02 13 06 06 13 --- 22 26 11 63.7 164.6 -0.5 -11.9 225 F 1 6190 06 02 13 06 06 13 BLLAC 22 26 11 85.7 279.0 0.4 95.1 -82 2 3 6190 06 06 13 06 14 11 --- 22 34 11 84.2 277.9 0.5 92.6 396 F 1 9381 06 06 13 06 14 11 3C446 22 34 11 43.3 182.8 0.1 2.1 -88 2 3 9381 06 14 11 06 18 11 --- 22 38 11 43.2 184.1 0.2 3.1 152 F 1 10977 06 14 11 06 18 11 CTA102 22 38 11 60.0 182.6 0.1 2.0 -39 2 3 10977 06 18 11 06 22 10 --- 22 42 11 59.9 184.5 0.2 3.5 200 F 1 12573 06 18 11 Schedule for VLBA_NL (Code Nl ) Page 10 BM229 VLBA format 7 mm ~ 0200-1800 LST 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). SYNC: Time correlator is expected to sync up. 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) SYNC ---------------------------------------------------------------------------------------- --- Sun 28 Aug 2005 Day 240 --- 06 22 10 3C454.3 22 42 11 64.3 173.3 -0.2 -5.2 -15 2 3 12573 06 22 10 06 26 10 --- 22 46 11 64.3 175.5 -0.1 -3.5 225 F 1 14168 06 22 10 06 26 10 BLLAC 22 46 11 82.0 277.4 0.7 90.2 -74 2 3 14168 06 26 10 06 34 08 --- 22 54 11 80.5 277.5 0.9 88.9 405 F 1 17360 06 26 10 06 34 08 3C446 22 54 11 42.9 189.6 0.5 7.1 -81 2 4 17360 06 34 08 06 38 08 --- 22 58 11 42.7 190.9 0.5 8.1 158 R 1 15764 06 34 08 06 38 08 CTA102 22 58 11 59.5 192.3 0.4 9.3 -39 2 4 15764 06 38 08 06 42 07 --- 23 02 11 59.3 194.1 0.5 10.7 200 R 1 14168 06 38 08 06 42 07 3C454.3 23 02 11 64.4 184.4 0.1 3.4 -16 2 4 14168 06 42 07 06 46 06 --- 23 06 11 64.3 186.6 0.2 5.1 223 R 1 12573 06 42 07 06 46 06 BLLAC 23 06 11 78.3 277.9 1.1 87.3 -67 2 4 12573 06 46 06 06 54 05 --- 23 14 11 76.8 278.3 1.2 86.3 412 R 1 9381 06 46 06 06 54 05 3C446 23 14 11 42.0 196.2 0.8 12.1 -76 2 4 9381 06 54 05 06 58 04 --- 23 18 11 41.8 197.5 0.9 13.0 164 R 1 7786 06 54 05 06 58 04 CTA102 23 18 11 58.4 201.5 0.8 16.2 -39 2 4 7786 06 58 04 07 02 04 --- 23 22 11 58.1 203.3 0.8 17.5 200 R 1 6190 06 58 04 07 02 04 3C454.3 23 22 11 63.7 195.3 0.5 11.8 -17 2 4 6190 07 02 04 07 06 03 --- 23 26 11 63.5 197.4 0.5 13.4 222 R 1 4595 07 02 04 07 06 03 BLLAC 23 26 11 74.6 279.0 1.4 85.0 -60 2 4 4595 07 06 03 07 14 02 --- 23 34 11 73.1 279.5 1.5 84.1 418 R 1 1403 07 06 03 07 14 02 3C446 23 34 11 40.8 202.7 1.1 16.8 -71 2 5 1403 07 14 02 07 18 01 --- 23 38 11 40.5 203.9 1.2 17.7 169 F 1 192 07 14 02 07 18 01 CTA102 23 38 11 56.8 210.1 1.1 22.5 -39 2 5 192 07 18 01 07 22 00 --- 23 42 11 56.4 211.8 1.2 23.6 201 F 1 1788 07 18 01 07 22 00 3C454.3 23 42 11 62.4 205.5 0.8 19.5 -18 2 5 1788 07 22 00 07 26 00 --- 23 46 11 62.1 207.4 0.9 21.0 221 F 1 3384 07 22 00 07 26 00 BLLAC 23 46 11 70.9 280.3 1.7 82.8 -55 2 5 3384 07 26 00 07 33 58 --- 23 54 11 69.4 280.9 1.9 82.0 424 F 1 6575 07 26 00 Schedule for VLBA_NL (Code Nl ) Page 11 BM229 VLBA format 7 mm ~ 0200-1800 LST 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). SYNC: Time correlator is expected to sync up. 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) SYNC ---------------------------------------------------------------------------------------- --- Sun 28 Aug 2005 Day 240 --- 07 33 58 3C446 23 54 11 39.2 208.8 1.5 21.1 -67 2 5 6575 07 33 58 07 37 58 --- 23 58 11 38.8 210.0 1.5 22.0 173 F 1 8171 07 33 58 07 37 58 CTA102 23 58 11 54.7 218.0 1.4 28.0 -38 2 5 8171 07 37 58 07 41 57 --- 00 02 11 54.2 219.5 1.5 29.0 202 F 1 9766 07 37 58 07 41 57 3C454.3 00 02 11 60.5 214.8 1.1 26.3 -19 2 5 9766 07 41 57 07 45 56 --- 00 06 11 60.1 216.5 1.2 27.5 221 F 1 11362 07 41 57 07 47 56 BLLAC 00 08 11 66.9 281.9 2.1 80.7 70 2 5 11362 07 47 56 07 55 55 --- 00 16 11 65.4 282.5 2.2 79.9 479 F 1 14553 07 48 09 07 55 55 3C446 00 16 11 37.0 215.2 1.8 25.6 -63 2 5 14553 07 55 55 07 59 54 --- 00 20 11 36.6 216.3 1.9 26.3 177 F 1 16149 07 55 55 07 59 54 CTA102 00 20 11 51.9 225.8 1.8 33.1 -37 2 6 16149 07 59 54 08 03 53 --- 00 24 11 51.4 227.1 1.9 33.9 203 R 1 17456 07 59 54 08 03 53 3C454.3 00 24 11 57.9 223.8 1.5 32.5 -19 2 6 17456 08 03 53 08 07 53 --- 00 28 11 57.4 225.3 1.6 33.5 220 R 1 15860 08 03 53 08 07 53 BLLAC 00 28 11 63.2 283.5 2.4 78.7 -45 2 6 15860 08 07 53 08 15 51 --- 00 36 11 61.8 284.1 2.6 77.9 434 R 1 12669 08 07 53 08 15 51 3C446 00 36 11 34.7 220.7 2.2 29.2 -60 2 6 12669 08 15 51 08 19 51 --- 00 40 11 34.2 221.7 2.2 29.9 179 R 1 11073 08 15 51 08 19 51 CTA102 00 40 11 49.1 232.1 2.1 36.9 -36 2 6 11073 08 19 51 08 23 50 --- 00 44 11 48.5 233.3 2.2 37.6 204 R 1 9478 08 19 51 08 23 50 3C454.3 00 44 11 55.2 230.9 1.8 37.1 -19 2 6 9478 08 23 50 08 27 50 --- 00 48 11 54.6 232.3 1.9 37.9 220 R 1 7882 08 23 50 08 27 50 BLLAC 00 48 11 59.6 285.1 2.8 76.8 -41 2 6 7882 08 27 50 08 35 48 --- 00 56 11 58.2 285.8 2.9 76.0 437 R 1 4691 08 27 50 08 35 48 3C446 00 56 11 32.2 225.8 2.5 32.4 -58 2 6 4691 08 35 48 08 39 48 --- 01 00 11 31.6 226.8 2.6 33.1 181 R 1 3095 08 35 48 08 39 48 CTA102 01 00 11 46.1 237.8 2.5 40.1 -35 2 6 3095 08 39 48 08 43 47 --- 01 04 11 45.4 238.8 2.5 40.7 204 R 1 1500 08 39 48 Schedule for VLBA_NL (Code Nl ) Page 12 BM229 VLBA format 7 mm ~ 0200-1800 LST 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). SYNC: Time correlator is expected to sync up. 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) SYNC ---------------------------------------------------------------------------------------- --- Sun 28 Aug 2005 Day 240 --- 08 43 47 3C454.3 01 04 11 52.2 237.2 2.2 40.8 -19 2 7 1500 08 43 47 08 47 46 --- 01 08 11 51.5 238.4 2.2 41.4 220 F 1 96 08 43 47 08 47 46 BLLAC 01 08 11 56.0 286.8 3.1 74.9 -38 2 7 96 08 47 46 08 55 45 --- 01 16 11 54.6 287.5 3.2 74.1 440 F 1 3287 08 47 46 08 55 45 3C446 01 16 11 29.4 230.6 2.8 35.3 -56 2 7 3287 08 55 45 08 59 44 --- 01 20 11 28.8 231.5 2.9 35.9 183 F 1 4883 08 55 45 08 59 44 CTA102 01 20 11 42.8 242.9 2.8 42.7 -34 2 7 4883 08 59 44 09 03 44 --- 01 24 11 42.2 243.9 2.9 43.2 205 F 1 6479 08 59 44 09 03 44 3C454.3 01 24 11 48.9 242.8 2.5 43.7 -20 2 7 6479 09 03 44 09 07 43 --- 01 28 11 48.3 243.9 2.6 44.2 220 F 1 8074 09 03 44 09 07 43 BLLAC 01 28 11 52.5 288.6 3.4 72.9 -36 2 7 8074 09 07 43 09 15 42 --- 01 36 11 51.1 289.3 3.6 72.1 443 F 1 11266 09 07 43 09 15 42 3C446 01 36 11 26.4 235.1 3.2 37.9 -55 2 7 11266 09 15 42 09 19 41 --- 01 40 11 25.8 236.0 3.2 38.4 184 F 1 12861 09 15 42 09 19 41 CTA102 01 40 11 39.5 247.6 3.1 44.8 -33 2 7 12861 09 19 41 09 23 40 --- 01 44 11 38.8 248.5 3.2 45.1 206 F 1 14457 09 19 41 09 23 40 3C454.3 01 44 11 45.6 247.9 2.8 46.0 -20 2 7 14457 09 23 40 09 27 40 --- 01 48 11 44.9 248.8 2.9 46.4 220 F 1 16052 09 23 40 09 27 40 BLLAC 01 48 11 49.0 290.4 3.8 71.0 -34 2 8 16052 09 27 40 09 35 38 --- 01 56 11 47.6 291.1 3.9 70.2 445 R 1 15956 09 27 40 09 35 38 3C446 01 56 11 23.3 239.4 3.5 40.1 -55 2 8 15956 09 35 38 09 39 38 --- 02 00 11 22.6 240.2 3.6 40.5 185 R 1 14361 09 35 38 09 39 38 CTA102 02 00 11 36.0 251.9 3.5 46.4 -33 2 8 14361 09 39 38 09 43 37 --- 02 04 11 35.2 252.8 3.5 46.7 207 R 1 12765 09 39 38 09 43 37 3C454.3 02 04 11 42.0 252.4 3.2 47.7 -20 2 8 12765 09 43 37 09 47 36 --- 02 08 11 41.3 253.3 3.2 48.0 220 R 1 11170 09 43 37 SETUP FILE INFORMATION: NOTE: If DOPPLER, FREQ, or BW were used, see the individual scans for the final BBC settings. Setup file: /home/arana/cwalker/sched/setups/v7mm-128-8-1.set Matches group v7mm_c8 in /home/filehost/cwalker/sched/catalogs/freq.dat Setup group: 3 Station: VLBA_NL Total bit rate: 128 Format: VLBA1:4 Bits per sample: 1 Sample rate: 16.000 Number of channels: 8 Passes/head pos: 1 Speedup factor: 2.00 Tape used at high density at 80.000 ips. Time per pass is 44.00 minutes. 1st LO= 42400.00 42400.00 42400.00 42400.00 42400.00 42400.00 42400.00 42400.00 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 VLBA FE= 7mm omit 7mm omit VLBA Synth= 15.4 7.6 11.6 The following frequency sets based on this setup were used. Frequency Set: 3 Setup file default. Used pcal sets: 1 LO sum= 43201.49 43201.49 43209.49 43209.49 43217.49 43217.49 43225.49 43225.49 BBC fr= 801.49 801.49 809.49 809.49 817.49 817.49 825.49 825.49 Bandwd= 8.000 8.000 8.000 8.000 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 S5 S7 S1 S3 S5 S7 PCALXB2= S2 S4 S6 S8 S2 S4 S6 S8 PCALFR1= 510 510 510 510 6510 6510 6510 6510 PCALFR2= 510 510 510 510 6510 6510 6510 6510 Track assignments are: track1= 2, 10, 18, 26, 3, 11, 19, 27 barrel=roll_auto SOURCE LIST -- BM229 VLBA format 7 mm ~ 0200-1800 LST 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) J1229+0203 12 26 33.245835 * 12 29 06.699731 12 29 22.802298 0.30 1226+023 02 19 43.30564 * 02 03 08.59814 02 01 24.19056 0.20 * 3C273 /home/arana/cwalker/sched/catalogs/sources.vlba 3C273B VLBA Calib Srcs - GSFC sols. - catalog 2004f_astro J1229+02 3.042 scan hours, 112.163 baseline hours above horizon. J1256-0547 12 53 35.831289 * 12 56 11.166557 12 56 27.492471 0.20 1253-055 -05 31 07.99581 *-05 47 21.52467 -05 49 06.18799 0.31 * 3C279 /home/arana/cwalker/sched/catalogs/sources.vlba J1256-05 VLBA Calib Srcs - GSFC sols. - catalog 2004f_astro 3.042 scan hours, 116.045 baseline hours above horizon. J1512-0905 15 10 08.900179 * 15 12 50.532927 15 13 08.189398 0.20 * 1510-089 -08 54 47.61955 *-09 05 59.82970 -09 07 16.72395 0.30 J1512-09 /home/arana/cwalker/sched/catalogs/sources.vlba VLBA Calib Srcs - GSFC sols. - catalog 2004f_astro 3.025 scan hours, 96.417 baseline hours above horizon. J2202+4216 22 00 39.362506 * 22 02 43.291373 22 02 58.358851 0.27 2200+420 42 02 08.59079 * 42 16 39.97993 42 18 19.12675 0.40 * BLLAC /home/arana/cwalker/sched/catalogs/sources.vlba J2202+42 VLBA Calib Srcs - GSFC sols. - catalog 2004f_astro VR42220 3.191 scan hours, 117.900 baseline hours above horizon. J2225-0457 22 23 11.077768 * 22 25 47.259295 22 26 05.989206 0.20 2223-052 -05 12 17.79947 *-04 57 01.39083 -04 55 15.02954 0.30 * 3C446 /home/arana/cwalker/sched/catalogs/sources.vlba J2225-04 VLBA Calib Srcs - GSFC sols. - catalog 2004f_astro 1.197 scan hours, 31.156 baseline hours above horizon. J2232+1143 22 30 07.803948 * 22 32 36.408906 22 32 54.161204 0.31 2230+114 11 28 22.81078 * 11 43 50.90406 11 45 38.25252 0.20 * CTA102 /home/arana/cwalker/sched/catalogs/sources.vlba J2232+11 VLBA Calib Srcs - GSFC sols. - catalog 2004f_astro 1.197 scan hours, 44.399 baseline hours above horizon. J2253+1608 22 51 29.519743 * 22 53 57.747942 22 54 15.421108 0.31 2251+158 15 52 54.34803 * 16 08 53.56086 16 10 44.37926 0.20 * 3C454.3 /home/arana/cwalker/sched/catalogs/sources.vlba J2253+16 VLBA Calib Srcs - GSFC sols. - catalog 2004f_astro 1.064 scan hours, 44.276 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) 3C273 31.4 3C279 40.4 1510-089 73.7 BLLAC 127.7 3C446 175.2 CTA102 158.5 3C454.3 153.2 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