COVER INFORMATION Station: VLBA_FD (Code Fd ) Experiment: Comet Hyakutake Occultation Exp. Code: bb066 Schedule Version: 2.00 Processed by SCHED version: 96Apr13 PI: Butler Address: Cover information incomplete or missing. Phone: EMAIL: bbutler@nrao.edu (internet) Fax: Telex: Phone during observation: Observing mode: Correlator: Notes: Schedule for VLBA_FD (Code Fd ) Page 2 Comet Hyakutake Occultation 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. ------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes Stop UT LST EL AZ HA UP ParA Dwell (see above) ------------------------------------------------------------------------------- --- Thu 25 Apr 1996 Day 116 --- Next scan frequencies: 1611.81 1611.81 1664.97 1664.97 1666.93 1666.93 1720.09 1720.09 Next BBC frequencies: 788.19 788.19 735.03 735.03 733.07 733.07 679.91 679.91 Next scan bandwidths: 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 16 04 00 3C84 23 24 00 42.1 59.8 -3.9 -83.3 0 1 1 0 16 08 00 23 28 01 42.9 59.9 -3.9 -83.8 240 F 1 1333 16 08 00 J0237+2848 23 28 01 49.1 80.1 -3.2 -75.3 -23 1 1 1333 16 30 00 = 23 50 05 53.8 82.0 -2.8 -76.5 1296 F 1 8666 16 34 00 3C84 23 54 05 47.7 60.4 -3.4 -87.8 215 1 1 8666 16 38 00 23 58 06 48.5 60.5 -3.4 -88.4 240 F 1 10000 16 38 00 J0237+2848 23 58 06 55.5 82.7 -2.7 -76.9 -24 1 1 10000 17 00 00 = 00 20 10 60.2 84.7 -2.3 -77.8 1295 F 1 17333 17 04 00 3C84 00 24 10 53.4 60.4 -2.9 -92.8 213 1 2 17333 17 08 00 00 28 11 54.1 60.3 -2.9 -93.6 240 R 1 16000 17 08 00 J0237+2848 00 28 11 61.9 85.5 -2.2 -78.1 -26 1 2 16000 17 30 00 = 00 50 15 66.7 87.7 -1.8 -78.8 1293 R 1 8666 17 34 00 3C84 00 54 15 59.0 59.4 -2.4 -98.7 211 1 2 8666 17 38 00 00 58 16 59.7 59.1 -2.4 -99.5 240 R 1 7333 17 38 00 J0237+2848 00 58 16 68.4 88.6 -1.7 -78.9 -29 1 2 7333 18 00 00 = 01 20 20 73.1 91.4 -1.3 -78.9 1290 R 1 0 18 04 00 3C84 01 24 20 64.5 56.9 -1.9 -105.9 206 1 1 0 18 08 00 01 28 21 65.2 56.4 -1.9 -107.0 240 F 2 1333 18 08 00 J0237+2848 01 28 21 74.9 92.6 -1.2 -78.7 -34 1 1 1333 18 30 00 = 01 50 24 79.6 97.3 -0.8 -76.9 1285 F 2 8666 18 34 00 3C84 01 54 25 69.7 51.7 -1.4 -115.6 199 1 1 8666 18 38 00 01 58 26 70.4 50.7 -1.4 -117.2 240 F 2 10000 18 38 00 J0237+2848 01 58 26 81.3 99.8 -0.7 -75.3 -42 1 1 10000 19 00 00 = 02 20 29 85.8 115.4 -0.3 -62.5 1277 F 2 17333 Schedule for VLBA_FD (Code Fd ) Page 3 Comet Hyakutake Occultation 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. ------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes Stop UT LST EL AZ HA UP ParA Dwell (see above) ------------------------------------------------------------------------------- --- Thu 25 Apr 1996 Day 116 --- 19 04 00 3C84 02 24 30 74.5 41.8 -0.9 -130.1 180 1 2 17333 19 08 00 02 28 31 75.1 39.9 -0.9 -132.5 240 R 2 16000 19 08 00 J0237+2848 02 28 31 87.3 132.5 -0.2 -46.4 -71 1 2 16000 19 30 00 = 02 50 34 86.6 237.4 0.2 55.8 1248 R 2 8666 19 34 00 3C84 02 54 35 78.0 383.1 -0.4 -153.2 132 1 2 8666 19 38 00 02 58 36 78.3 379.8 -0.3 -157.1 240 R 2 7333 19 38 00 J0237+2848 02 58 36 85.1 249.2 0.3 66.6 -97 1 2 7333 20 00 00 = 03 20 39 80.5 261.5 0.7 76.2 1222 R 2 0 20 04 00 3C84 03 24 40 79.1 354.9 0.1 174.2 167 1 3 0 20 08 00 03 28 41 79.0 351.0 0.2 169.7 240 F 1 1333 20 08 00 J0237+2848 03 28 41 78.8 263.7 0.9 77.4 -68 1 3 1333 20 30 00 = 03 50 44 74.0 268.0 1.2 78.8 1251 F 1 8666 20 34 00 3C84 03 54 45 77.0 329.3 0.6 144.1 189 1 3 8666 20 38 00 03 58 46 76.6 326.7 0.7 140.9 240 F 1 10000 20 38 00 J0237+2848 03 58 46 72.3 269.1 1.4 79.0 -48 1 3 10000 21 00 00 = 04 20 49 67.6 271.8 1.7 78.9 1271 F 1 17333 21 04 00 3C84 04 24 50 73.0 314.1 1.1 124.4 201 1 4 17333 21 08 00 04 28 50 72.3 312.7 1.2 122.4 240 R 1 16000 21 08 00 J0237+2848 04 28 50 65.8 272.7 1.9 78.7 -36 1 4 16000 21 30 00 = 04 50 54 61.1 274.9 2.2 78.0 1283 R 1 8666 21 34 00 3C84 04 54 55 68.0 306.1 1.6 111.9 209 1 4 8666 21 38 00 04 58 55 67.3 305.4 1.7 110.6 240 R 1 7333 21 38 00 J0237+2848 04 58 55 59.4 275.6 2.4 77.7 -29 1 4 7333 22 00 00 = 05 20 59 54.7 277.6 2.7 76.7 1290 R 1 0 22 04 00 3C84 05 25 00 62.6 302.1 2.1 103.2 213 1 3 0 22 08 00 05 29 00 61.9 301.7 2.2 102.2 240 F 2 1333 22 08 00 J0237+2848 05 29 00 53.0 278.3 2.9 76.3 -27 1 3 1333 22 30 00 = 05 51 04 48.3 280.2 3.2 75.1 1292 F 2 8666 22 34 00 3C84 05 55 05 57.1 300.1 2.6 96.6 212 1 3 8666 22 38 00 05 59 05 56.3 300.0 2.7 95.8 240 F 2 10000 Schedule for VLBA_FD (Code Fd ) Page 4 Comet Hyakutake Occultation 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. ------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes Stop UT LST EL AZ HA UP ParA Dwell (see above) ------------------------------------------------------------------------------- --- Thu 25 Apr 1996 Day 116 --- 22 38 00 J0237+2848 05 59 05 46.6 280.9 3.4 74.6 -29 1 3 10000 23 00 00 = 06 21 09 41.9 282.7 3.7 73.3 1290 F 2 17333 23 04 00 3C84 06 25 09 51.4 299.5 3.1 91.1 210 1 4 17333 23 08 00 06 29 10 50.7 299.5 3.2 90.4 240 R 2 16000 23 08 00 J0237+2848 06 29 10 40.3 283.4 3.9 72.7 -30 1 4 16000 23 30 00 = 06 51 14 35.7 285.3 4.2 71.3 1289 R 2 8666 23 34 00 3C84 06 55 14 45.8 299.7 3.6 86.2 209 1 4 8666 23 38 00 06 59 15 45.1 299.8 3.7 85.6 240 R 2 7333 23 38 00 J0237+2848 06 59 15 34.0 286.0 4.4 70.7 -32 1 4 7333 23 59 59 = 07 21 19 29.5 287.9 4.7 69.1 1286 R 2 0 --- Fri 26 Apr 1996 Day 117 --- 00 04 00 3C84 07 25 19 40.2 300.5 4.1 81.8 208 1 5 0 00 08 00 07 29 20 39.5 300.7 4.2 81.2 240 F 1 1333 00 08 00 J0237+2848 07 29 20 27.8 288.7 4.9 68.4 -33 1 5 1333 00 30 00 = 07 51 24 23.4 290.7 5.2 66.7 1286 F 1 8666 00 34 00 3C84 07 55 24 34.7 301.8 4.6 77.6 207 1 5 8666 00 38 00 07 59 25 33.9 302.0 4.7 77.0 240 F 1 10000 00 38 00 J0237+2848 07 59 25 21.7 291.5 5.4 66.0 -34 1 5 10000 01 00 00 = 08 21 29 17.4 293.6 5.7 64.1 1285 F 1 17333 01 04 00 3C84 08 25 29 29.2 303.4 5.1 73.5 206 1 6 17333 01 08 00 08 29 30 28.5 303.7 5.2 72.9 240 R 1 16000 01 08 00 J0237+2848 08 29 30 15.8 294.5 5.9 63.3 -35 1 6 16000 01 30 00 = 08 51 33 11.5 296.8 6.2 61.2 1284 R 1 8666 01 34 00 3C84 08 55 34 23.9 305.4 5.6 69.4 205 1 6 8666 01 38 00 08 59 35 23.2 305.7 5.7 68.8 240 R 1 7333 01 38 00 J0237+2848 08 59 35 10.0 297.6 6.4 60.4 -36 1 6 7333 02 00 00 = 09 21 38 5.8 300.1 6.7 58.1 1283 R 1 0 02 04 00 3C84 09 25 39 18.7 307.8 6.1 65.2 204 1 5 0 02 08 00 09 29 40 18.0 308.1 6.2 64.7 240 F 2 1333 Schedule for VLBA_FD (Code Fd ) Page 5 Comet Hyakutake Occultation 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. ------------------------------------------------------------------------------- Start UT Source Start / Stop Early Tapes Stop UT LST EL AZ HA UP ParA Dwell (see above) ------------------------------------------------------------------------------- --- Fri 26 Apr 1996 Day 117 --- 02 08 00 J0237+2848 09 29 40 4.3 301.1 6.9 57.2 -37 1 5 1333 02 30 00 = 09 51 43 0.3 303.8 7.2 D 54.7 1282 F 2 8666 02 34 00 3C84 09 55 44 13.7 310.4 6.6 61.0 207 1 5 8666 02 38 00 09 59 45 13.0 310.8 6.7 60.4 240 F 2 10000 02 38 00 J0237+2848 09 59 45 -1.1 304.8 7.4 D 53.7 -31 1 5 10000 03 00 00 = 10 21 48 -4.9 307.8 7.7 D 50.9 1288 F 2 17333 03 04 00 3C84 10 25 49 8.8 313.4 7.1 56.6 216 1 6 17333 03 08 00 10 29 50 8.2 313.8 7.2 56.0 240 R 2 16000 03 08 00 J0237+2848 10 29 50 -6.3 308.9 7.9 D 49.8 -21 1 6 16000 03 30 00 = 10 51 53 -9.9 312.2 8.2 D 46.7 1298 R 2 8666 03 34 00 4C39.25 10 55 54 69.9 300.9 1.5 108.0 94 1 6 8666 04 00 00 11 21 58 65.0 297.6 1.9 100.9 1560 R 2 0 SOURCE LIST -- Comet Hyakutake Occultation Catalog positions marked with *. Position of date is for stop time of first scan. Names used in schedule marked with *. Short names used in VLA and SNAP files marked with +. Source Source position (RA/Dec) (B1950) (J2000) (Date) * J0237+2848 02 34 55.58928 * 02 37 52.40567 02 37 38.42192 28 35 11.4251 * 28 48 08.9905 28 47 02.1890 * 3C84 03 16 29.56746 * 03 19 48.16010 03 19 32.47296 41 19 51.9329 * 41 30 42.1060 41 29 46.7275 * 4C39.25 09 23 55.31912 * 09 27 03.01392 09 26 49.55049 39 15 23.5494 * 39 02 20.8525 39 03 18.7532