COVER INFORMATION Station: VLBA_LA (Code La ) 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_LA (Code La ) 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 14 48 42.9 63.5 -4.1 -75.9 0 1 1 0 16 08 00 23 18 49 43.6 63.8 -4.0 -76.4 240 F 1 1333 16 08 00 J0237+2848 23 18 49 47.8 84.9 -3.3 -67.2 -24 1 1 1333 16 30 00 = 23 40 53 52.3 87.8 -2.9 -67.7 1295 F 1 8666 16 34 00 3C84 23 44 53 48.4 65.3 -3.6 -79.7 214 1 1 8666 16 38 00 23 48 54 49.1 65.5 -3.5 -80.2 240 F 1 10000 16 38 00 J0237+2848 23 48 54 53.9 88.9 -2.8 -67.7 -25 1 1 10000 17 00 00 = 00 10 58 58.4 92.2 -2.4 -67.7 1294 F 1 17333 17 04 00 3C84 00 14 58 53.9 66.6 -3.1 -83.6 212 1 2 17333 17 08 00 00 18 59 54.7 66.7 -3.0 -84.2 240 R 1 16000 17 08 00 J0237+2848 00 18 59 60.0 93.5 -2.3 -67.5 -27 1 2 16000 17 30 00 = 00 41 02 64.5 97.6 -1.9 -66.6 1292 R 1 8666 17 34 00 3C84 00 45 03 59.6 67.3 -2.6 -88.0 209 1 2 8666 17 38 00 00 49 04 60.3 67.4 -2.5 -88.6 240 R 1 7333 17 38 00 J0237+2848 00 49 04 66.1 99.3 -1.8 -66.0 -31 1 2 7333 18 00 00 = 01 11 07 70.5 104.8 -1.4 -63.5 1288 R 1 0 18 04 00 3C84 01 15 08 65.2 67.2 -2.1 -93.1 204 1 1 0 18 08 00 01 19 09 65.9 67.1 -2.0 -93.8 240 F 2 1333 18 08 00 J0237+2848 01 19 09 72.0 107.3 -1.3 -62.1 -36 1 1 1333 18 30 00 = 01 41 12 76.2 116.4 -0.9 -56.0 1283 F 2 8666 18 34 00 3C84 01 45 13 70.8 65.5 -1.6 -99.6 196 1 1 8666 18 38 00 01 49 14 71.5 65.1 -1.5 -100.6 240 F 2 10000 18 38 00 J0237+2848 01 49 14 77.6 121.0 -0.8 -52.5 -47 1 1 10000 19 00 00 = 02 11 17 81.1 139.6 -0.4 -36.8 1272 F 2 17333 Schedule for VLBA_LA (Code La ) 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 15 18 76.2 60.6 -1.1 -109.3 177 1 2 17333 19 08 00 02 19 19 76.9 59.5 -1.0 -111.1 240 R 2 16000 19 08 00 J0237+2848 02 19 19 82.0 149.7 -0.3 -27.8 -70 1 2 16000 19 30 00 = 02 41 22 83.0 186.7 0.1 6.2 1249 R 2 8666 19 34 00 3C84 02 45 23 81.2 46.8 -0.6 -127.9 136 1 2 8666 19 38 00 02 49 23 81.8 43.5 -0.5 -131.8 240 R 2 7333 19 38 00 J0237+2848 02 49 23 82.6 200.4 0.2 18.8 -114 1 2 7333 20 00 00 = 03 11 27 80.0 228.0 0.6 43.4 1205 R 2 0 20 04 00 3C84 03 15 28 84.2 367.6 -0.1 -171.8 136 1 3 0 20 08 00 03 19 28 84.3 360.1 0.0 -179.9 240 F 1 1333 20 08 00 J0237+2848 03 19 28 78.7 234.6 0.7 49.0 -93 1 3 1333 20 30 00 = 03 41 32 74.8 247.1 1.1 58.5 1226 F 1 8666 20 34 00 3C84 03 45 33 82.4 320.4 0.4 136.3 181 1 3 8666 20 38 00 03 49 33 81.8 316.6 0.5 131.9 240 F 1 10000 20 38 00 J0237+2848 03 49 33 73.3 250.3 1.2 60.7 -54 1 3 10000 21 00 00 = 04 11 37 69.0 257.2 1.6 64.5 1265 F 1 17333 21 04 00 3C84 04 15 38 77.7 301.8 0.9 113.1 200 1 4 17333 21 08 00 04 19 38 77.0 300.6 1.0 111.1 240 R 1 16000 21 08 00 J0237+2848 04 19 38 67.4 259.2 1.7 65.4 -37 1 4 16000 21 30 00 = 04 41 42 63.0 263.9 2.1 67.0 1282 R 1 8666 21 34 00 3C84 04 45 43 72.3 295.3 1.4 101.8 209 1 4 8666 21 38 00 04 49 43 71.5 294.9 1.5 100.7 240 R 1 7333 21 38 00 J0237+2848 04 49 43 61.4 265.3 2.2 67.3 -30 1 4 7333 22 00 00 = 05 11 47 56.9 268.9 2.6 67.7 1289 R 1 0 22 04 00 3C84 05 15 47 66.7 293.1 1.9 94.6 210 1 3 0 22 08 00 05 19 48 66.0 292.9 2.0 93.9 240 F 2 1333 22 08 00 J0237+2848 05 19 48 55.3 270.1 2.7 67.8 -31 1 3 1333 22 30 00 = 05 41 52 50.8 273.2 3.1 67.6 1288 F 2 8666 22 34 00 3C84 05 45 52 61.1 292.6 2.4 89.3 209 1 3 8666 22 38 00 05 49 53 60.3 292.6 2.5 88.6 240 F 2 10000 Schedule for VLBA_LA (Code La ) 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 49 53 49.2 274.2 3.2 67.4 -32 1 3 10000 23 00 00 = 06 11 57 44.7 277.0 3.6 66.8 1287 F 2 17333 23 04 00 3C84 06 15 57 55.5 293.2 2.9 84.8 208 1 4 17333 23 08 00 06 19 58 54.7 293.3 3.0 84.2 240 R 2 16000 23 08 00 J0237+2848 06 19 58 43.1 278.0 3.7 66.5 -33 1 4 16000 23 30 00 = 06 42 02 38.7 280.6 4.1 65.5 1286 R 2 8666 23 34 00 3C84 06 46 02 49.9 294.3 3.4 80.7 207 1 4 8666 23 38 00 06 50 03 49.1 294.5 3.5 80.2 240 R 2 7333 23 38 00 J0237+2848 06 50 03 37.1 281.5 4.2 65.1 -34 1 4 7333 23 59 59 = 07 12 07 32.7 284.0 4.6 63.9 1284 R 2 0 --- Fri 26 Apr 1996 Day 117 --- 00 04 00 3C84 07 16 07 44.3 296.0 3.9 76.9 206 1 5 0 00 08 00 07 20 08 43.6 296.2 4.0 76.4 240 F 1 1333 00 08 00 J0237+2848 07 20 08 31.2 284.9 4.7 63.4 -34 1 5 1333 00 30 00 = 07 42 11 26.9 287.5 5.1 62.0 1285 F 1 8666 00 34 00 3C84 07 46 12 38.9 297.9 4.4 73.2 205 1 5 8666 00 38 00 07 50 13 38.2 298.2 4.5 72.7 240 F 1 10000 00 38 00 J0237+2848 07 50 13 25.3 288.4 5.2 61.4 -35 1 5 10000 01 00 00 = 08 12 16 21.1 291.0 5.6 59.8 1284 F 1 17333 01 04 00 3C84 08 16 17 33.6 300.1 4.9 69.5 205 1 6 17333 01 08 00 08 20 18 32.9 300.4 5.0 69.0 240 R 1 16000 01 08 00 J0237+2848 08 20 18 19.6 291.9 5.7 59.2 -36 1 6 16000 01 30 00 = 08 42 21 15.5 294.6 6.1 57.3 1283 R 1 8666 01 34 00 3C84 08 46 22 28.4 302.6 5.4 65.8 204 1 6 8666 01 38 00 08 50 23 27.7 303.0 5.5 65.3 240 R 1 7333 01 38 00 J0237+2848 08 50 23 14.0 295.6 6.2 56.6 -37 1 6 7333 02 00 00 = 09 12 26 10.0 298.4 6.6 54.5 1282 R 1 0 02 04 00 3C84 09 16 27 23.3 305.4 5.9 62.0 203 1 5 0 02 08 00 09 20 28 22.6 305.8 6.0 61.5 240 F 2 1333 Schedule for VLBA_LA (Code La ) 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 20 28 8.6 299.4 6.7 53.7 -38 1 5 1333 02 30 00 = 09 42 31 4.8 302.4 7.1 51.4 1281 F 2 8666 02 34 00 3C84 09 46 32 18.4 308.4 6.4 58.1 202 1 5 8666 02 38 00 09 50 32 17.8 308.8 6.5 57.6 240 F 2 10000 02 38 00 J0237+2848 09 50 32 3.4 303.5 7.2 H 50.5 -38 1 5 10000 03 00 00 = 10 12 36 -0.3 306.7 7.6 D 48.0 1281 F 2 17333 03 04 00 3C84 10 16 37 13.7 311.6 7.0 54.0 207 1 6 17333 03 08 00 10 20 37 13.1 312.1 7.0 53.5 240 R 2 16000 03 08 00 J0237+2848 10 20 37 -1.6 307.8 7.7 D 47.0 -31 1 6 16000 03 30 00 = 10 42 41 -5.0 311.2 8.1 D 44.1 1288 R 2 8666 03 34 00 4C39.25 10 46 42 73.8 287.7 1.3 95.5 86 1 6 8666 04 00 00 11 12 46 68.8 286.8 1.8 90.6 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