COVER INFORMATION Station: VLBA_FD (Code Fd ) Experiment: BM229 VLBA format 7 mm ~ 0200-1800 LST Exp. Code: BM229I Schedule Version: 1.00 Processed by SCHED version: 6.04 March 2006 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_FD (Code Fd ) 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. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. 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 ---------------------------------------------------------------------------------------- --- Mon 10 Apr 2006 Day 100 --- 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 02 59 38 3C273 09 16 42 36.2 112.5 -3.2 -52.7 0 1 1 0 02 59 38 03 09 37 --- 09 26 42 38.2 114.5 -3.0 -51.6 598 F 1 10 03 00 01 03 09 37 3C279 09 26 42 28.0 116.7 -3.5 -50.6 -26 1 1 10 03 09 37 03 19 35 --- 09 36 42 29.9 118.5 -3.3 -49.5 572 F 1 19 03 09 37 03 19 35 3C273 09 36 42 40.2 116.5 -2.9 -50.4 -26 1 1 19 03 19 35 03 29 34 --- 09 46 42 42.1 118.6 -2.7 -49.1 572 F 1 29 03 19 35 03 29 34 3C279 09 46 42 31.8 120.4 -3.2 -48.2 -27 1 1 29 03 29 34 03 39 32 --- 09 56 42 33.6 122.4 -3.0 -46.9 572 F 1 39 03 29 34 03 39 32 3C273 09 56 42 43.9 120.9 -2.5 -47.6 -27 1 1 39 03 39 32 03 49 30 --- 10 06 42 45.8 123.3 -2.4 -46.0 572 F 1 48 03 39 32 03 49 30 3C279 10 06 42 35.4 124.5 -2.8 -45.5 -27 1 1 48 03 49 30 03 59 29 --- 10 16 42 37.2 126.7 -2.7 -43.9 572 F 1 58 03 49 30 03 59 29 3C273 10 16 42 47.5 125.9 -2.2 -44.2 -27 1 1 58 03 59 29 04 09 27 --- 10 26 42 49.2 128.6 -2.0 -42.3 572 F 1 68 03 59 29 04 09 27 3C279 10 26 42 38.9 129.0 -2.5 -42.2 -27 1 1 68 04 09 27 04 19 25 --- 10 36 42 40.5 131.4 -2.3 -40.4 572 F 1 77 04 09 27 04 19 25 3C273 10 36 42 50.9 131.6 -1.9 -40.1 -27 1 1 77 04 19 25 04 29 24 --- 10 46 42 52.5 134.7 -1.7 -37.7 572 F 1 87 04 19 25 04 29 24 3C279 10 46 42 42.1 134.0 -2.2 -38.5 -27 1 1 87 04 29 24 04 39 22 --- 10 56 42 43.6 136.7 -2.0 -36.4 572 F 1 97 04 29 24 04 39 22 3C273 10 56 42 53.9 138.1 -1.5 -35.1 -27 1 1 97 04 39 22 04 49 20 --- 11 06 42 55.3 141.6 -1.4 -32.3 572 F 1 106 04 39 22 04 49 20 3C279 11 06 42 45.1 139.5 -1.8 -34.2 -27 1 1 106 04 49 20 04 59 19 --- 11 16 42 46.4 142.5 -1.7 -31.8 572 F 1 116 04 49 20 Schedule for VLBA_FD (Code Fd ) 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. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. 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 ---------------------------------------------------------------------------------------- --- Mon 10 Apr 2006 Day 100 --- 05 01 18 3C273 11 18 42 56.8 146.3 -1.2 -28.6 93 1 1 116 05 01 18 05 07 18 --- 11 24 42 57.5 148.7 -1.1 -26.5 359 F 1 122 05 01 41 05 07 18 3C279 11 24 42 47.4 145.0 -1.5 -29.7 -26 1 1 122 05 07 18 05 13 17 --- 11 30 42 48.2 146.9 -1.4 -28.2 333 F 1 127 05 07 18 05 13 17 1510-089 11 30 42 23.5 117.3 -3.7 -50.8 -55 1 1 127 05 13 17 05 19 16 --- 11 36 42 24.6 118.3 -3.6 -50.1 304 F 1 133 05 13 17 05 19 16 3C273 11 36 42 58.8 153.9 -0.9 -22.3 -74 1 1 133 05 19 16 05 26 14 --- 11 43 42 59.4 157.1 -0.8 -19.6 345 F 1 140 05 19 16 05 26 14 3C279 11 43 42 49.6 151.3 -1.2 -24.5 -26 1 1 140 05 26 14 05 33 13 --- 11 50 42 50.3 153.8 -1.1 -22.4 393 F 1 147 05 26 14 05 33 13 1510-089 11 50 42 27.3 120.8 -3.4 -48.4 -52 1 1 147 05 33 13 05 39 12 --- 11 56 42 28.4 122.0 -3.3 -47.7 307 F 1 152 05 33 13 05 39 12 3C273 11 56 42 60.3 163.3 -0.5 -14.3 -70 1 1 152 05 39 12 05 46 11 --- 12 03 42 60.7 166.7 -0.4 -11.4 349 F 1 159 05 39 12 05 46 11 3C279 12 03 42 51.4 158.6 -0.9 -18.4 -25 1 1 159 05 46 11 05 53 10 --- 12 10 42 51.9 161.3 -0.8 -16.1 394 F 1 166 05 46 11 05 53 10 1510-089 12 10 42 30.9 124.7 -3.0 -45.8 -48 1 1 166 05 53 10 05 59 09 --- 12 16 42 31.9 125.9 -2.9 -44.9 311 F 1 172 05 53 10 05 59 09 3C273 12 16 42 61.2 173.4 -0.2 -5.7 -65 1 1 172 05 59 09 06 06 08 --- 12 23 42 61.3 177.0 -0.1 -2.6 354 F 1 179 05 59 09 06 06 08 3C279 12 23 42 52.7 166.4 -0.5 -11.7 -23 1 1 179 06 06 08 06 13 07 --- 12 30 42 53.0 169.3 -0.4 -9.3 396 F 1 185 06 06 08 06 13 07 1510-089 12 30 42 34.3 128.9 -2.7 -42.7 -43 1 1 185 06 13 07 06 19 06 --- 12 36 42 35.3 130.2 -2.6 -41.7 316 F 1 191 06 13 07 06 19 06 3C273 12 36 42 61.3 183.8 0.1 3.2 -58 1 1 191 06 19 06 06 26 05 --- 12 43 42 61.2 187.4 0.2 6.4 361 F 1 198 06 19 06 06 26 05 3C279 12 43 42 53.4 174.6 -0.2 -4.6 -22 1 1 198 06 26 05 06 33 03 --- 12 50 42 53.5 177.6 -0.1 -2.1 397 F 1 205 06 26 05 Schedule for VLBA_FD (Code Fd ) 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. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. 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 ---------------------------------------------------------------------------------------- --- Mon 10 Apr 2006 Day 100 --- 06 33 03 1510-089 12 50 42 37.6 133.5 -2.4 -39.2 -38 1 1 205 06 33 03 06 39 02 --- 12 56 42 38.5 135.0 -2.3 -38.1 321 F 1 210 06 33 03 06 39 02 3C273 12 56 42 60.7 194.0 0.5 12.0 -50 1 1 210 06 39 02 06 46 01 --- 13 03 42 60.3 197.4 0.6 15.0 369 F 1 217 06 39 02 06 46 01 3C279 13 03 42 53.5 183.0 0.1 2.6 -20 1 1 217 06 46 01 06 53 00 --- 13 10 42 53.4 185.9 0.2 5.1 399 F 1 224 06 46 01 06 53 00 1510-089 13 10 42 40.6 138.5 -2.0 -35.2 -38 1 1 224 06 53 00 06 58 59 --- 13 16 42 41.4 140.2 -1.9 -33.9 321 F 1 230 06 53 00 07 00 59 3C273 13 18 42 59.1 204.5 0.8 20.9 71 1 1 230 07 00 59 07 06 58 --- 13 24 42 58.5 207.2 0.9 23.2 359 F 1 235 07 01 22 07 06 58 3C279 13 24 42 52.9 191.7 0.5 10.1 -17 1 1 235 07 06 58 07 12 57 --- 13 30 42 52.6 194.1 0.6 12.2 342 F 1 241 07 06 58 07 12 57 1510-089 13 30 42 43.2 144.1 -1.7 -30.7 -39 1 1 241 07 12 57 07 18 56 --- 13 36 42 44.0 145.9 -1.6 -29.3 320 F 1 247 07 12 57 07 18 56 3C273 13 36 42 57.3 212.3 1.1 27.4 -50 1 1 247 07 18 56 07 25 55 --- 13 43 42 56.4 215.1 1.2 29.7 369 F 1 254 07 18 56 07 25 55 3C279 13 43 42 51.8 199.2 0.8 16.5 -17 1 1 254 07 25 55 07 32 54 --- 13 50 42 51.3 201.9 0.9 18.8 402 F 1 261 07 25 55 07 32 54 1510-089 13 50 42 45.6 150.2 -1.4 -25.7 -40 1 1 261 07 32 54 07 38 53 --- 13 56 42 46.2 152.1 -1.3 -24.0 319 F 1 266 07 32 54 07 38 53 3C273 13 56 42 54.7 220.0 1.5 33.6 -51 1 1 266 07 38 53 07 45 51 --- 14 03 42 53.7 222.5 1.6 35.5 368 F 1 273 07 38 53 07 45 51 3C279 14 03 42 50.2 206.7 1.1 22.8 -17 1 1 273 07 45 51 07 52 50 --- 14 10 42 49.4 209.1 1.2 24.9 402 F 1 280 07 45 51 07 52 50 1510-089 14 10 42 47.5 156.8 -1.0 -20.1 -41 1 1 280 07 52 50 07 58 49 --- 14 16 42 48.0 158.9 -0.9 -18.3 318 F 1 286 07 52 50 07 58 49 3C273 14 16 42 51.8 226.7 1.8 38.8 -51 1 1 286 07 58 49 08 05 48 --- 14 23 42 50.6 228.9 1.9 40.4 368 F 1 292 07 58 49 Schedule for VLBA_FD (Code Fd ) 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. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. 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 ---------------------------------------------------------------------------------------- --- Mon 10 Apr 2006 Day 100 --- 08 05 48 3C279 14 23 42 48.0 213.5 1.5 28.5 -16 1 1 292 08 05 48 08 12 47 --- 14 30 42 47.1 215.7 1.6 30.3 403 F 1 299 08 05 48 08 12 47 1510-089 14 30 42 49.0 163.9 -0.7 -14.0 -41 1 1 299 08 12 47 08 18 46 --- 14 36 42 49.3 166.1 -0.6 -12.1 318 F 1 305 08 12 47 08 18 46 3C273 14 36 42 48.5 232.6 2.1 43.2 -50 1 1 305 08 18 46 08 25 45 --- 14 43 42 47.3 234.5 2.2 44.5 369 F 1 312 08 18 46 08 25 45 3C279 14 43 42 45.4 219.7 1.8 33.5 -16 1 1 312 08 25 45 08 32 44 --- 14 50 42 44.4 221.7 1.9 35.2 403 F 1 318 08 25 45 08 32 44 1510-089 14 50 42 49.9 171.4 -0.4 -7.5 -40 1 1 318 08 32 44 08 38 43 --- 14 56 42 50.0 173.7 -0.3 -5.5 319 F 1 324 08 32 44 08 38 43 3C273 14 56 42 44.9 237.8 2.5 46.7 -49 1 1 324 08 38 43 08 45 42 --- 15 03 42 43.7 239.4 2.6 47.8 370 F 1 331 08 38 43 08 45 42 3C279 15 03 42 42.5 225.3 2.1 38.0 -15 1 1 331 08 45 42 08 52 40 --- 15 10 42 41.4 227.2 2.2 39.4 403 F 1 338 08 45 42 08 52 40 1510-089 15 10 42 50.2 179.0 0.0 -0.8 -38 1 1 338 08 52 40 08 58 39 --- 15 16 42 50.2 181.4 0.1 1.2 321 F 1 344 08 52 40 09 00 39 3C273 15 18 42 40.8 242.8 2.8 50.0 73 1 1 344 09 00 39 09 06 38 --- 15 24 42 39.7 244.0 2.9 50.7 359 F 1 349 09 01 02 09 06 38 3C279 15 24 42 39.2 230.6 2.5 42.0 -15 1 1 349 09 06 38 09 12 37 --- 15 30 42 38.2 232.0 2.6 43.0 344 F 1 355 09 06 38 09 12 37 1510-089 15 30 42 50.0 186.7 0.3 5.9 -36 1 1 355 09 12 37 09 18 36 --- 15 36 42 49.8 189.0 0.4 7.8 323 F 1 361 09 12 37 09 18 36 3C273 15 36 42 37.3 246.4 3.1 52.1 -44 1 1 361 09 18 36 09 25 35 --- 15 43 42 35.9 247.7 3.2 52.8 375 F 1 368 09 18 36 09 25 35 3C279 15 43 42 35.9 234.9 2.8 45.1 -15 1 1 368 09 25 35 09 32 34 --- 15 50 42 34.7 236.4 2.9 46.1 404 F 1 374 09 25 35 09 32 34 1510-089 15 50 42 49.2 194.3 0.6 12.4 -35 1 1 374 09 32 34 09 38 33 --- 15 56 42 48.9 196.5 0.7 14.3 324 F 1 380 09 32 34 Schedule for VLBA_FD (Code Fd ) 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. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. 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 ---------------------------------------------------------------------------------------- --- Mon 10 Apr 2006 Day 100 --- 09 38 33 3C273 15 56 42 33.3 250.1 3.5 54.0 -42 1 1 380 09 38 33 09 45 32 --- 16 03 42 31.9 251.3 3.6 54.6 377 F 1 387 09 38 33 09 45 32 3C279 16 03 42 32.3 239.1 3.1 47.9 -14 1 1 387 09 45 32 09 52 31 --- 16 10 42 31.0 240.4 3.2 48.8 405 F 1 394 09 45 32 09 52 31 1510-089 16 10 42 47.9 201.5 1.0 18.6 -40 1 1 394 09 52 31 09 58 30 --- 16 16 42 47.4 203.5 1.1 20.4 319 F 1 400 09 52 31 09 58 30 3C273 16 16 42 29.3 253.5 3.8 55.6 -42 1 1 400 09 58 30 10 05 29 --- 16 23 42 27.8 254.6 3.9 56.1 377 F 1 406 09 58 30 10 05 29 3C279 16 23 42 28.5 242.8 3.5 50.3 -14 1 1 406 10 05 29 10 12 27 --- 16 30 42 27.2 244.1 3.6 51.1 405 F 1 413 10 05 29 10 12 27 1510-089 16 30 42 46.1 208.2 1.3 24.3 -44 1 1 413 10 12 27 10 18 26 --- 16 36 42 45.5 210.1 1.4 25.9 315 F 1 419 10 12 27 10 18 26 3C273 16 36 42 25.1 256.6 4.1 56.9 -47 1 1 419 10 18 26 10 25 25 --- 16 43 42 23.6 257.6 4.2 57.2 372 F 1 426 10 18 26 10 25 25 3C279 16 43 42 24.7 246.3 3.8 52.4 -14 1 1 426 10 25 25 10 32 24 --- 16 50 42 23.3 247.5 3.9 53.0 405 F 1 432 10 25 25 10 32 24 1510-089 16 50 42 43.9 214.4 1.6 29.5 -47 1 1 432 10 32 24 10 38 23 --- 16 56 42 43.1 216.2 1.7 31.0 312 F 1 438 10 32 24 10 38 23 3C273 16 56 42 20.9 259.5 4.5 57.8 -50 1 1 438 10 38 23 10 45 22 --- 17 03 42 19.4 260.5 4.6 58.1 368 F 1 445 10 38 23 10 45 22 3C279 17 03 42 20.7 249.5 4.1 54.1 -13 1 1 445 10 45 22 10 52 21 --- 17 10 42 19.2 250.6 4.2 54.7 406 F 1 452 10 45 22 10 52 21 1510-089 17 10 42 41.3 220.1 2.0 34.2 -50 1 1 452 10 52 21 10 58 20 --- 17 16 42 40.4 221.7 2.1 35.4 309 F 1 457 10 52 21 11 00 20 BLLAC 17 18 42 33.3 56.9 -4.7 -76.9 4 1 1 457 11 00 20 11 08 18 --- 17 26 42 34.8 57.2 -4.6 -78.1 479 F 1 465 11 00 43 11 08 18 1510-089 17 26 42 38.9 224.3 2.2 37.5 -117 1 1 465 11 08 18 11 18 17 --- 17 36 42 37.4 226.8 2.4 39.4 481 F 1 475 11 08 18 Schedule for VLBA_FD (Code Fd ) 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. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. 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 ---------------------------------------------------------------------------------------- --- Mon 10 Apr 2006 Day 100 --- 11 18 17 BLLAC 17 36 42 36.6 57.7 -4.4 -79.5 -119 1 1 475 11 18 17 11 28 15 --- 17 46 42 38.4 58.1 -4.3 -80.9 480 F 1 484 11 18 17 11 28 15 1510-089 17 46 42 35.8 229.1 2.6 41.2 -120 1 1 484 11 28 15 11 38 13 --- 17 56 42 34.2 231.3 2.7 42.9 478 F 1 494 11 28 15 11 38 13 BLLAC 17 56 42 40.2 58.4 -4.1 -82.4 -121 1 1 494 11 38 13 11 48 12 --- 18 06 42 42.1 58.7 -3.9 -83.9 477 F 1 504 11 38 13 11 48 12 1510-089 18 06 42 32.5 233.5 2.9 44.5 -123 1 1 504 11 48 12 11 58 10 --- 18 16 42 30.7 235.5 3.1 45.9 476 F 1 513 11 48 12 11 58 10 BLLAC 18 16 42 43.9 59.0 -3.8 -85.4 -124 1 1 513 11 58 10 12 04 09 --- 18 22 42 45.0 59.1 -3.7 -86.3 235 F 1 519 11 58 10 12 04 09 3C446 18 22 42 22.0 110.3 -4.1 -54.1 -52 1 1 519 12 04 09 12 07 09 --- 18 25 42 22.6 110.7 -4.0 -53.9 127 F 1 522 12 04 09 12 07 09 CTA102 18 25 42 30.1 94.0 -4.1 -61.3 -21 1 1 522 12 07 09 12 10 08 --- 18 28 42 30.8 94.4 -4.1 -61.2 158 F 1 525 12 07 09 12 10 08 1510-089 18 28 42 28.5 237.9 3.3 47.5 -102 1 1 525 12 10 08 12 18 07 --- 18 36 42 27.1 239.3 3.4 48.6 377 F 1 533 12 10 08 12 18 07 BLLAC 18 36 42 47.6 419.2 -3.4 -88.6 -126 1 1 533 12 18 07 12 24 06 --- 18 42 42 48.7 419.3 -3.3 -89.6 233 F 1 538 12 18 07 12 24 06 3C446 18 42 42 25.9 113.5 -3.7 -52.4 -210 1 1 538 12 24 06 12 27 05 --- 18 45 42 26.5 114.0 -3.7 -52.1 -30 F 1 541 12 24 06 12 27 05 CTA102 18 45 42 34.4 96.8 -3.8 -60.8 -22 1 1 541 12 27 05 12 30 05 --- 18 48 42 35.0 97.2 -3.7 -60.7 158 F 1 544 12 27 05 12 30 05 1510-089 18 48 42 24.8 241.5 3.6 50.0 -102 1 1 544 12 30 05 12 38 03 --- 18 56 42 23.3 242.9 3.7 50.9 377 F 1 552 12 30 05 12 40 03 BLLAC 18 58 42 51.7 419.2 -3.1 -92.3 -4 1 1 552 12 40 03 12 48 02 --- 19 06 42 53.2 419.1 -2.9 -93.8 475 F 1 560 12 40 26 12 48 02 1510-089 19 06 42 21.4 244.5 3.9 51.9 -122 1 1 560 12 48 02 12 58 00 --- 19 16 42 19.4 246.1 4.1 52.8 476 F 1 569 12 48 02 Schedule for VLBA_FD (Code Fd ) 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. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. 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 ---------------------------------------------------------------------------------------- --- Mon 10 Apr 2006 Day 100 --- 12 58 00 BLLAC 19 16 42 55.0 418.8 -2.8 -95.6 -121 1 1 569 12 58 00 13 03 59 --- 19 22 42 56.1 418.6 -2.7 -96.8 238 F 1 575 12 58 00 13 03 59 3C446 19 22 42 33.6 120.9 -3.1 -47.8 -204 1 1 575 13 03 59 13 06 59 --- 19 25 42 34.2 121.5 -3.0 -47.4 -25 F 1 578 13 03 59 13 06 59 CTA102 19 25 42 42.9 103.1 -3.1 -58.9 -23 1 1 578 13 06 59 13 09 58 --- 19 28 42 43.5 103.6 -3.1 -58.7 156 F 1 581 13 06 59 13 09 58 1510-089 19 28 42 17.1 248.0 4.3 53.9 -102 1 1 581 13 09 58 13 17 57 --- 19 36 42 15.5 249.2 4.4 54.6 376 F 1 589 13 09 58 13 17 57 BLLAC 19 36 42 58.7 417.9 -2.4 -99.8 -118 1 1 589 13 17 57 13 27 55 --- 19 46 42 60.5 417.2 -2.3 -102.0 480 F 1 598 13 17 57 13 27 55 1510-089 19 46 42 13.4 250.7 4.6 55.3 -117 1 1 598 13 27 55 13 37 54 --- 19 56 42 11.4 252.1 4.7 56.0 481 F 1 608 13 27 55 13 37 54 BLLAC 19 56 42 62.3 416.3 -2.1 -104.5 -115 1 1 608 13 37 54 13 45 52 --- 20 04 42 63.7 415.4 -2.0 -106.6 363 F 1 616 13 37 54 13 45 52 3C446 20 04 42 41.0 130.2 -2.4 -41.2 -196 1 1 616 13 45 52 13 49 52 --- 20 08 42 41.6 131.2 -2.3 -40.5 43 F 1 620 13 45 52 13 49 52 CTA102 20 08 42 51.7 111.6 -2.4 -54.8 -26 1 1 620 13 49 52 13 53 51 --- 20 12 42 52.5 112.5 -2.3 -54.3 213 F 1 623 13 49 52 13 53 51 3C454.3 20 12 42 50.5 102.1 -2.7 -61.2 -13 1 1 623 13 53 51 13 57 50 --- 20 16 42 51.3 102.8 -2.6 -60.9 226 F 1 627 13 53 51 13 57 50 BLLAC 20 16 42 65.8 53.8 -1.8 -110.1 -39 1 1 627 13 57 50 14 05 49 --- 20 24 42 67.2 52.5 -1.6 -112.7 440 F 1 635 13 57 50 14 05 49 3C446 20 24 42 44.1 135.5 -2.0 -37.3 -61 1 1 635 14 05 49 14 09 48 --- 20 28 42 44.7 136.6 -2.0 -36.4 178 F 1 639 14 05 49 14 09 48 CTA102 20 28 42 55.6 116.5 -2.1 -51.8 -28 1 1 639 14 09 48 14 13 48 --- 20 32 42 56.4 117.6 -2.0 -51.1 211 F 1 643 14 09 48 14 13 48 3C454.3 20 32 42 54.7 106.0 -2.4 -59.5 -14 1 1 643 14 13 48 14 17 47 --- 20 36 42 55.5 106.8 -2.3 -59.0 226 F 1 647 14 13 48 Schedule for VLBA_FD (Code Fd ) 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. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. 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 ---------------------------------------------------------------------------------------- --- Mon 10 Apr 2006 Day 100 --- 14 17 47 BLLAC 20 36 42 69.2 49.9 -1.4 -117.1 -44 1 1 647 14 17 47 14 25 46 --- 20 44 42 70.5 47.9 -1.3 -120.4 435 F 1 654 14 17 47 14 25 46 3C446 20 44 42 47.0 141.3 -1.7 -32.7 -68 1 1 654 14 25 46 14 29 45 --- 20 48 42 47.5 142.6 -1.6 -31.7 171 F 1 658 14 25 46 14 29 45 CTA102 20 48 42 59.4 122.4 -1.7 -47.9 -30 1 1 658 14 29 45 14 33 44 --- 20 52 42 60.1 123.7 -1.7 -47.0 210 F 1 662 14 29 45 14 33 44 3C454.3 20 52 42 58.7 110.6 -2.0 -57.0 -15 1 1 662 14 33 44 14 37 44 --- 20 56 42 59.5 111.6 -2.0 -56.4 225 F 1 666 14 33 44 14 37 44 BLLAC 20 56 42 72.4 44.1 -1.1 -126.0 -51 1 1 666 14 37 44 14 45 42 --- 21 04 42 73.5 40.9 -1.0 -130.3 428 F 1 674 14 37 44 14 45 42 3C446 21 04 42 49.5 147.8 -1.4 -27.4 -77 1 1 674 14 45 42 14 49 42 --- 21 08 42 49.9 149.2 -1.3 -26.3 162 F 1 677 14 45 42 14 49 42 CTA102 21 08 42 62.9 129.5 -1.4 -42.7 -32 1 1 677 14 49 42 14 53 41 --- 21 12 42 63.5 131.1 -1.3 -41.4 207 F 1 681 14 49 42 14 53 41 3C454.3 21 12 42 62.7 116.2 -1.7 -53.5 -16 1 1 681 14 53 41 14 57 41 --- 21 16 42 63.5 117.4 -1.6 -52.7 223 F 1 685 14 53 41 14 59 40 BLLAC 21 18 42 75.4 34.2 -0.7 -139.2 58 1 1 685 14 59 40 15 07 39 --- 21 26 42 76.3 29.4 -0.6 -145.2 479 F 1 693 15 00 03 15 07 39 3C446 21 26 42 51.7 155.7 -1.0 -20.8 -90 1 1 693 15 07 39 15 10 38 --- 21 29 42 52.0 156.8 -0.9 -19.9 89 F 1 696 15 07 39 15 10 38 CTA102 21 29 42 66.1 138.8 -1.1 -35.4 -34 1 1 696 15 10 38 15 13 38 --- 21 32 42 66.5 140.3 -1.0 -34.1 145 F 1 699 15 10 38 15 13 38 3C454.3 21 32 42 66.4 123.2 -1.4 -48.6 -17 1 1 699 15 13 38 15 17 37 --- 21 36 42 67.1 124.8 -1.3 -47.3 222 F 1 703 15 13 38 15 17 37 BLLAC 21 36 42 77.2 22.4 -0.4 -153.6 -74 1 1 703 15 17 37 15 25 36 --- 21 44 42 77.8 16.1 -0.3 -161.1 404 F 1 710 15 17 37 15 25 36 3C446 21 44 42 53.1 162.7 -0.7 -14.9 -104 1 1 710 15 25 36 15 29 35 --- 21 48 42 53.3 164.3 -0.6 -13.5 136 F 1 714 15 25 36 Schedule for VLBA_FD (Code Fd ) 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. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. 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 ---------------------------------------------------------------------------------------- --- Mon 10 Apr 2006 Day 100 --- 15 29 35 CTA102 21 48 42 68.5 149.2 -0.7 -26.8 -36 1 1 714 15 29 35 15 33 35 --- 21 52 42 69.0 151.6 -0.7 -24.7 203 F 1 718 15 29 35 15 33 35 3C454.3 21 52 42 69.8 132.3 -1.0 -41.5 -19 1 1 718 15 33 35 15 37 34 --- 21 56 42 70.5 134.5 -1.0 -39.7 221 F 1 722 15 33 35 15 37 34 BLLAC 21 56 42 78.3 5.7 -0.1 -173.4 -92 1 1 722 15 37 34 15 45 33 --- 22 04 42 78.3 -1.6 0.0 178.1 387 F 1 730 15 37 34 15 45 33 3C446 22 04 42 54.1 170.9 -0.4 -7.9 -121 1 1 730 15 45 33 15 49 32 --- 22 08 42 54.2 172.6 -0.3 -6.4 118 F 1 733 15 45 33 15 49 32 CTA102 22 08 42 70.3 162.2 -0.4 -15.6 -38 1 1 733 15 49 32 15 53 31 --- 22 12 42 70.6 165.0 -0.3 -13.1 201 F 1 737 15 49 32 15 53 31 3C454.3 22 12 42 72.7 144.4 -0.7 -31.5 -20 1 1 737 15 53 31 15 57 31 --- 22 16 42 73.2 147.2 -0.6 -29.0 220 F 1 741 15 53 31 15 57 31 BLLAC 22 16 42 78.0 -12.3 0.2 165.6 -112 1 1 741 15 57 31 16 05 29 --- 22 24 42 77.5 -19.0 0.4 157.8 366 F 1 749 15 57 31 16 05 29 3C446 22 24 42 54.4 179.4 0.0 -0.5 -138 1 1 749 16 05 29 16 09 29 --- 22 28 42 54.4 181.1 0.0 1.0 101 F 1 753 16 05 29 16 09 29 CTA102 22 28 42 71.1 176.8 -0.1 -2.8 -39 1 1 753 16 09 29 16 13 28 --- 22 32 42 71.1 179.8 0.0 -0.1 200 F 1 757 16 09 29 16 13 28 3C454.3 22 32 42 74.7 160.0 -0.4 -17.9 -19 1 1 757 16 13 28 16 17 27 --- 22 36 42 75.0 163.5 -0.3 -14.7 220 F 1 760 16 13 28 16 17 27 BLLAC 22 36 42 76.5 332.3 0.6 147.2 -118 1 1 760 16 17 27 16 25 26 --- 22 44 42 75.7 327.3 0.7 141.0 360 F 1 768 16 17 27 16 25 26 3C446 22 44 42 54.2 187.9 0.3 6.8 -99 1 1 768 16 25 26 16 29 25 --- 22 48 42 54.0 189.6 0.4 8.3 140 F 1 772 16 25 26 16 29 25 CTA102 22 48 42 70.8 191.8 0.3 10.4 -39 1 1 772 16 29 25 16 33 25 --- 22 52 42 70.6 194.7 0.3 12.9 200 F 1 776 16 29 25 16 33 25 3C454.3 22 52 42 75.5 178.5 0.0 -1.3 -17 1 1 776 16 33 25 16 37 24 --- 22 56 42 75.5 182.4 0.0 2.1 223 F 1 780 16 33 25 Schedule for VLBA_FD (Code Fd ) 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. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. 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 ---------------------------------------------------------------------------------------- --- Mon 10 Apr 2006 Day 100 --- 16 37 24 BLLAC 22 56 42 74.1 321.0 0.9 133.0 -98 1 1 780 16 37 24 16 45 23 --- 23 04 42 73.0 317.6 1.0 128.4 380 F 1 787 16 37 24 16 45 23 3C446 23 04 42 53.3 196.2 0.6 14.0 -87 1 1 787 16 45 23 16 49 22 --- 23 08 42 53.0 197.8 0.7 15.3 152 F 1 791 16 45 23 16 49 22 CTA102 23 08 42 69.4 205.6 0.6 22.3 -39 1 1 791 16 49 22 16 53 22 --- 23 12 42 69.0 208.2 0.7 24.5 201 F 1 795 16 49 22 16 53 22 3C454.3 23 12 42 74.9 197.3 0.3 15.4 -18 1 1 795 16 53 22 16 57 21 --- 23 16 42 74.7 200.8 0.4 18.5 221 F 1 799 16 53 22 16 59 21 BLLAC 23 18 42 70.9 312.8 1.3 121.5 39 1 1 799 16 59 21 17 07 19 --- 23 26 42 69.6 310.7 1.4 118.1 479 F 1 807 16 59 44 17 07 19 3C446 23 26 42 51.6 204.8 1.0 21.2 -77 1 1 807 17 07 19 17 11 19 --- 23 30 42 51.2 206.3 1.1 22.5 163 F 1 811 17 07 19 17 11 19 CTA102 23 30 42 66.9 218.4 1.0 33.1 -37 1 1 811 17 11 19 17 15 18 --- 23 34 42 66.3 220.5 1.0 34.8 202 F 1 814 17 11 19 17 15 18 3C454.3 23 34 42 72.8 214.9 0.7 30.8 -19 1 1 814 17 15 18 17 19 17 --- 23 38 42 72.3 217.6 0.7 33.1 220 F 1 818 17 15 18 17 19 17 BLLAC 23 38 42 67.6 308.0 1.6 113.6 -66 1 1 818 17 19 17 17 27 16 --- 23 46 42 66.2 306.6 1.7 110.9 412 F 1 826 17 19 17 17 27 16 3C446 23 46 42 49.6 211.9 1.3 27.2 -69 1 1 826 17 27 16 17 31 15 --- 23 50 42 49.1 213.3 1.4 28.3 170 F 1 830 17 27 16 17 31 15 CTA102 23 50 42 63.9 227.9 1.3 40.7 -36 1 1 830 17 31 15 17 35 15 --- 23 54 42 63.3 229.5 1.4 41.9 204 F 1 834 17 31 15 17 35 15 3C454.3 23 54 42 70.0 227.1 1.0 41.0 -19 1 1 834 17 35 15 17 39 14 --- 23 58 42 69.4 229.2 1.1 42.7 220 F 1 838 17 35 15 17 39 14 BLLAC 23 58 42 64.1 304.9 1.9 107.3 -56 1 1 838 17 39 14 17 47 13 --- 00 06 42 62.7 303.9 2.1 105.2 422 F 1 845 17 39 14 17 47 13 3C446 00 06 42 47.1 218.4 1.7 32.5 -63 1 1 845 17 47 13 17 51 12 --- 00 10 42 46.5 219.7 1.7 33.5 176 F 1 849 17 47 13 Schedule for VLBA_FD (Code Fd ) 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. For disks, the footages are really the GBytes TPStart: Tape motion start time. Frequencies are LO sum (band edge). SYNC: Time correlator is expected to sync up. 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 ---------------------------------------------------------------------------------------- --- Mon 10 Apr 2006 Day 100 --- 17 51 12 CTA102 00 10 42 60.5 235.5 1.6 46.4 -34 1 1 849 17 51 12 17 55 11 --- 00 14 42 59.8 236.8 1.7 47.4 205 F 1 853 17 51 12 17 55 11 3C454.3 00 14 42 66.6 236.4 1.3 48.2 -20 1 1 853 17 55 11 17 59 11 --- 00 18 42 65.9 237.9 1.4 49.4 220 F 1 857 17 55 11 17 59 11 BLLAC 00 18 42 60.6 302.8 2.3 102.2 -49 1 1 857 17 59 11 18 07 09 --- 00 26 42 59.1 302.3 2.4 100.3 429 F 1 865 17 59 11 18 07 09 3C446 00 26 42 44.2 224.3 2.0 37.1 -58 1 1 865 18 07 09 18 11 09 --- 00 30 42 43.6 225.4 2.1 37.9 181 F 1 869 18 07 09 18 11 09 CTA102 00 30 42 56.9 241.7 2.0 50.7 -32 1 1 869 18 11 09 18 15 08 --- 00 34 42 56.1 242.8 2.0 51.4 207 F 1 872 18 11 09 18 15 08 3C454.3 00 34 42 62.9 243.5 1.7 53.3 -20 1 1 872 18 15 08 18 19 07 --- 00 38 42 62.1 244.7 1.7 54.1 220 F 1 876 18 15 08 18 19 07 BLLAC 00 38 42 56.9 301.6 2.6 97.7 -44 1 1 876 18 19 07 18 27 06 --- 00 46 42 55.5 301.3 2.7 96.1 435 F 1 884 18 19 07 18 27 06 3C446 00 46 42 41.1 229.6 2.3 41.1 -54 1 1 884 18 27 06 18 31 05 --- 00 50 42 40.4 230.5 2.4 41.8 186 F 1 888 18 27 06 18 31 05 CTA102 00 50 42 53.0 246.9 2.3 54.0 -31 1 1 888 18 31 05 18 35 05 --- 00 54 42 52.2 247.9 2.4 54.5 208 F 1 892 18 31 05 18 35 05 3C454.3 00 54 42 59.0 249.1 2.0 56.8 -20 1 1 892 18 35 05 18 39 04 --- 00 58 42 58.2 250.1 2.1 57.4 220 F 1 896 18 35 05 18 39 04 BLLAC 00 58 42 53.2 300.9 2.9 93.8 -40 1 1 896 18 39 04 18 47 03 --- 01 06 42 51.8 300.8 3.1 92.4 439 F 1 903 18 39 04 18 47 03 3C446 01 06 42 37.7 234.3 2.7 44.5 -50 1 1 903 18 47 03 18 51 02 --- 01 10 42 37.0 235.2 2.7 45.1 189 F 1 907 18 47 03 18 51 02 CTA102 01 10 42 49.0 251.4 2.6 56.4 -30 1 1 907 18 51 02 18 55 02 --- 01 14 42 48.1 252.2 2.7 56.8 209 F 1 911 18 51 02 18 55 02 3C454.3 01 14 42 54.9 253.8 2.3 59.3 -19 1 1 911 18 55 02 18 59 01 --- 01 18 42 54.1 254.6 2.4 59.8 220 F 1 915 18 55 02 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: 4 Station: VLBA_FD Total bit rate: 128 Format: VLBA1:4 Bits per sample: 1 Sample rate: 16.000 Number of channels: 8 Speedup factor: 2.00 Disk used to record data. 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: 4 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_off 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 33.245836 * 12 29 06.699732 12 29 27.099260 0.30 1226+023 02 19 43.30565 * 02 03 08.59815 02 00 55.81267 0.20 * 3C273 /home/arana/cwalker/sched/catalogs/sources.vlba 3C273B VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro J1229+02 3.042 scan hours, 112.164 baseline hours above horizon. J1256-0547 12 53 35.831291 * 12 56 11.166559 12 56 31.756044 0.20 1253-055 -05 31 07.99586 *-05 47 21.52472 -05 49 33.02494 0.30 * 3C279 /home/arana/cwalker/sched/catalogs/sources.vlba J1256-05 VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro 3.042 scan hours, 116.044 baseline hours above horizon. J1512-0905 15 10 08.900180 * 15 12 50.532928 15 13 11.781730 0.20 * 1510-089 -08 54 47.61950 *-09 05 59.82965 -09 07 36.46642 0.30 J1512-09 /home/arana/cwalker/sched/catalogs/sources.vlba VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro 3.025 scan hours, 96.419 baseline hours above horizon. J2202+4216 22 00 39.362507 * 22 02 43.291374 22 02 57.160102 0.27 2200+420 42 02 08.59081 * 42 16 39.97995 42 18 08.90115 0.40 * BLLAC /home/arana/cwalker/sched/catalogs/sources.vlba J2202+42 VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro VR42220 3.191 scan hours, 117.901 baseline hours above horizon. J2225-0457 22 23 11.077768 * 22 25 47.259295 22 26 05.873685 0.20 2223-052 -05 12 17.79946 *-04 57 01.39082 -04 55 17.07173 0.30 * 3C446 /home/arana/cwalker/sched/catalogs/sources.vlba J2225-04 VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro 1.197 scan hours, 31.156 baseline hours above horizon. J2232+1143 22 30 07.803949 * 22 32 36.408907 22 32 53.875073 0.31 2230+114 11 28 22.81081 * 11 43 50.90409 11 45 33.31045 0.20 * CTA102 /home/arana/cwalker/sched/catalogs/sources.vlba J2232+11 VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_astro 1.197 scan hours, 44.399 baseline hours above horizon. J2253+1608 22 51 29.519744 * 22 53 57.747943 22 54 15.021538 0.31 2251+158 15 52 54.34806 * 16 08 53.56089 16 10 40.19640 0.20 * 3C454.3 /home/arana/cwalker/sched/catalogs/sources.vlba J2253+16 VLBA Calib Survey - GSFC sols. - created L.Petrov 2005f_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 164.8 3C279 174.8 1510-089 150.9 BLLAC 54.4 3C446 44.2 CTA102 40.2 3C454.3 35.4 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