COVER INFORMATION Station: VLBA_BR (Code Br ) 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_BR (Code Br ) 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 22 21 03 38.8 67.8 -5.0 -55.6 0 1 1 0 16 08 00 22 25 04 39.4 68.4 -4.9 -55.9 240 F 1 1333 16 08 00 J0237+2848 22 25 04 38.5 88.1 -4.2 -49.6 -23 1 1 1333 16 30 00 = 22 47 08 42.2 92.2 -3.8 -49.5 1296 F 1 8666 16 34 00 3C84 22 51 08 43.5 71.9 -4.5 -57.9 216 1 1 8666 16 38 00 22 55 09 44.1 72.5 -4.4 -58.2 240 F 1 10000 16 38 00 J0237+2848 22 55 09 43.5 93.7 -3.7 -49.5 -24 1 1 10000 17 00 00 = 23 17 13 47.2 98.2 -3.3 -48.9 1295 F 1 17333 17 04 00 3C84 23 21 13 48.3 76.1 -4.0 -59.9 215 1 2 17333 17 08 00 23 25 14 48.9 76.7 -3.9 -60.1 240 R 1 16000 17 08 00 J0237+2848 23 25 14 48.5 100.0 -3.2 -48.6 -25 1 2 16000 17 30 00 = 23 47 18 52.1 105.0 -2.8 -47.3 1294 R 1 8666 17 34 00 3C84 23 51 18 53.2 80.5 -3.5 -61.5 213 1 2 8666 17 38 00 23 55 19 53.9 81.1 -3.4 -61.7 240 R 1 7333 17 38 00 J0237+2848 23 55 19 53.4 107.0 -2.7 -46.7 -27 1 2 7333 18 00 00 = 00 17 22 56.9 112.9 -2.3 -44.5 1292 R 1 0 18 04 00 3C84 00 21 23 58.2 85.1 -3.0 -62.6 211 1 1 0 18 08 00 00 25 24 58.8 85.8 -2.9 -62.7 240 F 2 1333 18 08 00 J0237+2848 00 25 24 58.1 115.3 -2.2 -43.5 -29 1 1 1333 18 30 00 = 00 47 27 61.3 122.4 -1.8 -40.0 1290 F 2 8666 18 34 00 3C84 00 51 28 63.2 90.4 -2.5 -63.0 208 1 1 8666 18 38 00 00 55 29 63.9 91.2 -2.4 -63.0 240 F 2 10000 18 38 00 J0237+2848 00 55 29 62.4 125.3 -1.7 -38.4 -32 1 1 10000 19 00 00 = 01 17 32 65.3 134.2 -1.3 -33.1 1287 F 2 17333 Schedule for VLBA_BR (Code Br ) 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 01 21 33 68.2 96.7 -2.0 -62.3 204 1 2 17333 19 08 00 01 25 34 68.9 97.6 -1.9 -62.0 240 R 2 16000 19 08 00 J0237+2848 01 25 34 66.2 137.8 -1.2 -30.7 -36 1 2 16000 19 30 00 = 01 47 37 68.4 149.0 -0.8 -23.1 1283 R 2 8666 19 34 00 3C84 01 51 38 73.1 105.0 -1.5 -59.4 200 1 2 8666 19 38 00 01 55 39 73.8 106.3 -1.4 -58.8 240 R 2 7333 19 38 00 J0237+2848 01 55 39 69.0 153.5 -0.7 -19.9 -41 1 2 7333 20 00 00 = 02 17 42 70.3 167.0 -0.3 -9.9 1278 R 2 0 20 04 00 3C84 02 21 43 77.8 117.6 -1.0 -52.1 197 1 3 0 20 08 00 02 25 43 78.4 119.9 -0.9 -50.6 240 F 1 1333 20 08 00 J0237+2848 02 25 43 70.5 172.2 -0.2 -6.0 -44 1 3 1333 20 30 00 = 02 47 47 70.6 186.7 0.2 5.1 1275 F 1 8666 20 34 00 3C84 02 51 48 81.7 140.9 -0.5 -34.2 199 1 3 8666 20 38 00 02 55 48 82.1 145.5 -0.4 -30.3 240 F 1 10000 20 38 00 J0237+2848 02 55 48 70.3 191.9 0.3 9.0 -40 1 3 10000 21 00 00 = 03 17 52 69.2 205.5 0.7 19.1 1279 F 1 17333 21 04 00 3C84 03 21 53 83.4 183.8 0.0 3.4 201 1 4 17333 21 08 00 03 25 53 83.3 190.2 0.1 9.1 240 R 1 16000 21 08 00 J0237+2848 03 25 53 68.5 210.0 0.8 22.4 -39 1 4 16000 21 30 00 = 03 47 57 66.4 221.3 1.2 30.2 1280 R 1 8666 21 34 00 3C84 03 51 58 81.2 223.8 0.5 38.1 200 1 4 8666 21 38 00 03 55 58 80.8 227.5 0.6 41.1 240 R 1 7333 21 38 00 J0237+2848 03 55 58 65.5 225.0 1.3 32.6 -40 1 4 7333 22 00 00 = 04 18 02 62.7 234.0 1.7 38.1 1279 R 1 0 22 04 00 3C84 04 22 03 77.1 244.8 1.0 53.7 201 1 3 0 22 08 00 04 26 03 76.5 246.7 1.1 54.9 240 F 2 1333 22 08 00 J0237+2848 04 26 03 61.6 237.0 1.8 39.7 -39 1 3 1333 22 30 00 = 04 48 07 58.3 244.2 2.2 43.3 1280 F 2 8666 22 34 00 3C84 04 52 07 72.4 256.5 1.5 60.1 201 1 3 8666 22 38 00 04 56 08 71.7 257.7 1.6 60.5 240 F 2 10000 Schedule for VLBA_BR (Code Br ) 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 04 56 08 57.1 246.6 2.3 44.3 -39 1 3 10000 23 00 00 = 05 18 12 53.7 252.6 2.7 46.6 1280 F 2 17333 23 04 00 3C84 05 22 12 67.4 264.4 2.0 62.5 202 1 4 17333 23 08 00 05 26 13 66.8 265.3 2.1 62.6 240 R 2 16000 23 08 00 J0237+2848 05 26 13 52.4 254.5 2.8 47.2 -38 1 4 16000 23 30 00 = 05 48 17 48.8 259.7 3.2 48.5 1281 R 2 8666 23 34 00 3C84 05 52 17 62.4 270.5 2.5 63.0 202 1 4 8666 23 38 00 05 56 18 61.7 271.2 2.6 63.0 240 R 2 7333 23 38 00 J0237+2848 05 56 18 47.5 261.4 3.3 48.8 -38 1 4 7333 23 59 59 = 06 18 22 43.8 265.9 3.7 49.4 1280 R 2 0 --- Fri 26 Apr 1996 Day 117 --- 00 04 00 3C84 06 22 22 57.4 275.6 3.0 62.5 202 1 5 0 00 08 00 06 26 23 56.7 276.3 3.1 62.3 240 F 1 1333 00 08 00 J0237+2848 06 26 23 42.5 267.5 3.8 49.5 -38 1 5 1333 00 30 00 = 06 48 27 38.8 271.6 4.2 49.6 1281 F 1 8666 00 34 00 3C84 06 52 27 52.4 280.2 3.5 61.3 202 1 5 8666 00 38 00 06 56 28 51.8 280.8 3.6 61.1 240 F 1 10000 00 38 00 J0237+2848 06 56 28 37.5 273.1 4.3 49.5 -38 1 5 10000 01 00 00 = 07 18 31 33.8 276.9 4.7 49.1 1281 F 1 17333 01 04 00 3C84 07 22 32 47.5 284.6 4.0 59.6 202 1 6 17333 01 08 00 07 26 33 46.9 285.1 4.1 59.3 240 R 1 16000 01 08 00 J0237+2848 07 26 33 32.5 278.3 4.8 48.9 -38 1 6 16000 01 30 00 = 07 48 36 28.9 282.0 5.2 48.1 1281 R 1 8666 01 34 00 3C84 07 52 37 42.7 288.7 4.6 57.6 202 1 6 8666 01 38 00 07 56 38 42.1 289.3 4.6 57.3 240 R 1 7333 01 38 00 J0237+2848 07 56 38 27.6 283.4 5.3 47.8 -39 1 6 7333 02 00 00 = 08 18 41 24.0 287.0 5.7 46.7 1280 R 1 0 02 04 00 3C84 08 22 42 38.0 292.8 5.1 55.2 201 1 5 0 02 08 00 08 26 43 37.4 293.3 5.1 54.9 240 F 2 1333 Schedule for VLBA_BR (Code Br ) 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 08 26 43 22.7 288.3 5.8 46.3 -39 1 5 1333 02 30 00 = 08 48 46 19.3 292.0 6.2 44.9 1280 F 2 8666 02 34 00 3C84 08 52 47 33.5 296.9 5.6 52.6 201 1 5 8666 02 38 00 08 56 48 32.9 297.4 5.6 52.3 240 F 2 10000 02 38 00 J0237+2848 08 56 48 18.0 293.3 6.3 44.4 -39 1 5 10000 03 00 00 = 09 18 51 14.7 296.9 6.7 42.8 1280 F 2 17333 03 04 00 3C84 09 22 52 29.1 301.0 6.1 49.8 201 1 6 17333 03 08 00 09 26 52 28.5 301.6 6.1 49.4 240 R 2 16000 03 08 00 J0237+2848 09 26 52 13.5 298.3 6.8 42.1 -39 1 6 16000 03 30 00 = 09 48 56 10.3 302.0 7.2 40.2 1280 R 2 8666 03 34 00 4C39.25 09 52 57 79.8 209.8 0.4 25.3 91 1 6 8666 04 00 00 10 19 01 76.9 230.8 0.9 41.8 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