COVER INFORMATION Station: VLBA_OV (Code Ov ) 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_OV (Code Ov ) 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 26 41 35.0 61.1 -4.9 -68.5 0 1 1 0 16 08 00 22 30 41 35.7 61.4 -4.8 -68.9 240 F 1 1333 16 08 00 J0237+2848 22 30 41 38.4 80.3 -4.1 -63.6 -22 1 1 1333 16 30 00 = 22 52 45 42.8 83.1 -3.7 -64.4 1297 F 1 8666 16 34 00 3C84 22 56 46 40.3 63.5 -4.4 -72.0 216 1 1 8666 16 38 00 23 00 46 41.0 63.8 -4.3 -72.4 240 F 1 10000 16 38 00 J0237+2848 23 00 46 44.4 84.1 -3.6 -64.6 -23 1 1 10000 17 00 00 = 23 22 50 48.8 87.1 -3.2 -65.1 1296 F 1 17333 17 04 00 3C84 23 26 51 45.7 65.6 -3.9 -75.5 215 1 2 17333 17 08 00 23 30 51 46.4 65.9 -3.8 -76.0 240 R 1 16000 17 08 00 J0237+2848 23 30 51 50.3 88.2 -3.1 -65.2 -24 1 2 16000 17 30 00 = 23 52 55 54.7 91.6 -2.7 -65.2 1295 R 1 8666 17 34 00 3C84 23 56 56 51.2 67.5 -3.4 -79.1 213 1 2 8666 17 38 00 00 00 56 51.9 67.7 -3.3 -79.6 240 R 1 7333 17 38 00 J0237+2848 00 00 56 56.3 92.9 -2.6 -65.1 -26 1 2 7333 18 00 00 = 00 23 00 60.7 96.8 -2.2 -64.4 1293 R 1 0 18 04 00 3C84 00 27 01 56.7 69.0 -2.9 -82.9 211 1 1 0 18 08 00 00 31 01 57.5 69.1 -2.8 -83.4 240 F 2 1333 18 08 00 J0237+2848 00 31 01 62.3 98.4 -2.1 -64.0 -29 1 1 1333 18 30 00 = 00 53 05 66.6 103.5 -1.7 -62.0 1290 F 2 8666 18 34 00 3C84 00 57 05 62.3 70.0 -2.4 -87.0 207 1 1 8666 18 38 00 01 01 06 63.1 70.0 -2.3 -87.6 240 F 2 10000 18 38 00 J0237+2848 01 01 06 68.1 105.7 -1.6 -61.0 -33 1 1 10000 19 00 00 = 01 23 10 72.3 113.1 -1.2 -56.7 1286 F 2 17333 Schedule for VLBA_OV (Code Ov ) 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 27 10 68.0 70.1 -1.9 -91.9 201 1 2 17333 19 08 00 01 31 11 68.7 70.0 -1.8 -92.6 240 R 2 16000 19 08 00 J0237+2848 01 31 11 73.7 116.5 -1.1 -54.4 -40 1 2 16000 19 30 00 = 01 53 15 77.4 129.1 -0.7 -44.8 1279 R 2 8666 19 34 00 3C84 01 57 15 73.6 68.6 -1.4 -98.3 189 1 2 8666 19 38 00 02 01 16 74.3 68.2 -1.3 -99.3 240 R 2 7333 19 38 00 J0237+2848 02 01 16 78.6 135.4 -0.6 -39.7 -54 1 2 7333 20 00 00 = 02 23 20 81.0 159.4 -0.2 -18.6 1265 R 2 0 20 04 00 3C84 02 27 20 79.1 63.0 -0.9 -108.7 165 1 3 0 20 08 00 02 31 21 79.8 61.7 -0.8 -110.7 240 F 1 1333 20 08 00 J0237+2848 02 31 21 81.5 170.7 -0.1 -8.5 -82 1 3 1333 20 30 00 = 02 53 25 80.9 202.5 0.3 20.3 1237 F 1 8666 20 34 00 3C84 02 57 25 84.0 43.3 -0.4 -133.1 123 1 3 8666 20 38 00 03 01 26 84.5 38.0 -0.3 -139.2 240 F 1 10000 20 38 00 J0237+2848 03 01 26 80.2 212.2 0.4 29.0 -126 1 3 10000 21 00 00 = 03 23 29 77.2 231.9 0.8 45.7 1193 F 1 17333 21 04 00 3C84 03 27 30 85.5 340.8 0.1 159.5 157 1 4 17333 21 08 00 03 31 31 85.1 332.5 0.2 150.6 240 R 1 16000 21 08 00 J0237+2848 03 31 31 75.9 237.0 0.9 49.7 -73 1 4 16000 21 30 00 = 03 53 34 72.0 247.5 1.3 57.1 1246 R 1 8666 21 34 00 3C84 03 57 35 81.5 303.1 0.6 117.0 192 1 4 8666 21 38 00 04 01 36 80.8 301.0 0.7 114.3 240 R 1 7333 21 38 00 J0237+2848 04 01 36 70.5 250.4 1.4 58.9 -43 1 4 7333 22 00 00 = 04 23 39 66.3 256.9 1.8 62.2 1276 R 1 0 22 04 00 3C84 04 27 40 76.2 293.2 1.1 102.4 205 1 3 0 22 08 00 04 31 41 75.5 292.6 1.2 101.1 240 F 2 1333 22 08 00 J0237+2848 04 31 41 64.8 258.8 1.9 63.0 -32 1 3 1333 22 30 00 = 04 53 44 60.4 263.5 2.3 64.5 1287 F 2 8666 22 34 00 3C84 04 57 45 70.6 290.3 1.6 94.6 209 1 3 8666 22 38 00 05 01 46 69.9 290.2 1.7 93.8 240 F 2 10000 Schedule for VLBA_OV (Code Ov ) 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 01 46 58.8 265.0 2.4 64.8 -32 1 3 10000 23 00 00 = 05 23 49 54.4 268.7 2.8 65.3 1287 F 2 17333 23 04 00 3C84 05 27 50 65.0 289.8 2.1 89.2 208 1 4 17333 23 08 00 05 31 50 64.2 289.9 2.2 88.5 240 R 2 16000 23 08 00 J0237+2848 05 31 50 52.9 269.9 2.9 65.3 -32 1 4 16000 23 30 00 = 05 53 54 48.5 273.1 3.3 65.1 1287 R 2 8666 23 34 00 3C84 05 57 55 59.4 290.5 2.6 84.7 208 1 4 8666 23 38 00 06 01 55 58.6 290.6 2.7 84.2 240 R 2 7333 23 38 00 J0237+2848 06 01 55 46.9 274.2 3.4 65.0 -33 1 4 7333 23 59 59 = 06 23 59 42.5 277.1 3.8 64.3 1285 R 2 0 --- Fri 26 Apr 1996 Day 117 --- 00 04 00 3C84 06 28 00 53.8 291.8 3.1 80.8 207 1 5 0 00 08 00 06 32 00 53.0 292.0 3.2 80.3 240 F 1 1333 00 08 00 J0237+2848 06 32 00 40.9 278.1 3.9 64.1 -34 1 5 1333 00 30 00 = 06 54 04 36.6 280.9 4.3 63.1 1285 F 1 8666 00 34 00 3C84 06 58 05 48.2 293.5 3.6 77.2 206 1 5 8666 00 38 00 07 02 05 47.5 293.7 3.7 76.7 240 F 1 10000 00 38 00 J0237+2848 07 02 05 35.0 281.9 4.4 62.7 -34 1 5 10000 01 00 00 = 07 24 09 30.7 284.6 4.8 61.5 1285 F 1 17333 01 04 00 3C84 07 28 10 42.8 295.5 4.1 73.6 205 1 6 17333 01 08 00 07 32 10 42.1 295.8 4.2 73.2 240 R 1 16000 01 08 00 J0237+2848 07 32 10 29.2 285.5 4.9 61.1 -35 1 6 16000 01 30 00 = 07 54 14 25.0 288.2 5.3 59.6 1284 R 1 8666 01 34 00 3C84 07 58 14 37.4 297.8 4.6 70.1 205 1 6 8666 01 38 00 08 02 15 36.7 298.1 4.7 69.7 240 R 1 7333 01 38 00 J0237+2848 08 02 15 23.5 289.2 5.4 59.1 -36 1 6 7333 02 00 00 = 08 24 19 19.4 291.9 5.8 57.4 1283 R 1 0 02 04 00 3C84 08 28 19 32.2 300.3 5.1 66.6 204 1 5 0 02 08 00 08 32 20 31.5 300.7 5.2 66.1 240 F 2 1333 Schedule for VLBA_OV (Code Ov ) 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 32 20 17.9 293.0 5.9 56.8 -37 1 5 1333 02 30 00 = 08 54 24 13.9 295.8 6.3 54.9 1282 F 2 8666 02 34 00 3C84 08 58 24 27.1 303.1 5.6 63.0 203 1 5 8666 02 38 00 09 02 25 26.4 303.5 5.7 62.5 240 F 2 10000 02 38 00 J0237+2848 09 02 25 12.5 296.8 6.4 54.2 -37 1 5 10000 03 00 00 = 09 24 29 8.6 299.8 6.8 52.0 1282 F 2 17333 03 04 00 3C84 09 28 29 22.2 306.1 6.1 59.2 202 1 6 17333 03 08 00 09 32 30 21.5 306.5 6.2 58.7 240 R 2 16000 03 08 00 J0237+2848 09 32 30 7.2 300.9 6.9 51.2 -38 1 6 16000 03 30 00 = 09 54 34 3.5 304.0 7.3 48.9 1281 R 2 8666 03 34 00 4C39.25 09 58 34 83.5 288.7 0.5 103.8 70 1 6 8666 04 00 00 10 24 38 78.5 283.5 1.0 94.6 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