COVER INFORMATION Station: VLBA_MK (Code Mk ) 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_MK (Code Mk ) 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 19 57 57 -1.2 44.6 -7.4 D -61.9 0 1 1 0 16 08 00 20 01 58 -0.5 45.0 -7.3 D -62.6 240 F 1 1333 16 08 00 J0237+2848 20 01 58 2.0 60.0 -6.6 D -68.4 -20 1 1 1333 16 30 00 = 20 24 01 6.6 61.7 -6.2 -71.0 1299 F 1 8666 16 34 00 3C84 20 28 02 3.9 47.0 -6.9 -66.8 220 1 1 8666 16 38 00 20 32 03 4.6 47.3 -6.8 -67.5 240 F 1 10000 16 38 00 J0237+2848 20 32 03 8.2 62.3 -6.1 -71.9 -19 1 1 10000 17 00 00 = 20 54 06 12.8 63.7 -5.7 -74.3 1300 F 1 17333 17 04 00 3C84 20 58 07 9.1 49.1 -6.4 -71.6 220 1 2 17333 17 08 00 21 02 08 9.8 49.3 -6.3 -72.2 240 R 1 16000 17 08 00 J0237+2848 21 02 08 14.5 64.2 -5.6 -75.1 -19 1 2 16000 17 30 00 = 21 24 11 19.2 65.4 -5.2 -77.4 1300 R 1 8666 17 34 00 3C84 21 28 12 14.5 50.6 -5.9 -76.2 220 1 2 8666 17 38 00 21 32 13 15.3 50.8 -5.8 -76.9 240 R 1 7333 17 38 00 J0237+2848 21 32 13 21.0 65.8 -5.1 -78.3 -21 1 2 7333 18 00 00 = 21 54 16 25.7 66.8 -4.7 -80.5 1298 R 1 0 18 04 00 3C84 21 58 17 20.1 51.8 -5.4 -80.9 218 1 1 0 18 08 00 22 02 18 20.8 51.9 -5.3 -81.5 240 F 2 1333 18 08 00 J0237+2848 22 02 18 27.4 67.1 -4.6 -81.4 -23 1 1 1333 18 30 00 = 22 24 21 32.2 67.8 -4.2 -83.7 1296 F 2 8666 18 34 00 3C84 22 28 22 25.7 52.5 -4.9 -85.6 216 1 1 8666 18 38 00 22 32 22 26.4 52.6 -4.8 -86.2 240 F 2 10000 18 38 00 J0237+2848 22 32 22 34.0 68.0 -4.1 -84.5 -25 1 1 10000 19 00 00 = 22 54 26 38.8 68.5 -3.7 -86.9 1294 F 2 17333 Schedule for VLBA_MK (Code Mk ) 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 22 58 27 31.3 52.8 -4.4 -90.5 214 1 2 17333 19 08 00 23 02 27 32.0 52.7 -4.3 -91.1 240 R 2 16000 19 08 00 J0237+2848 23 02 27 40.6 68.6 -3.6 -87.8 -27 1 2 16000 19 30 00 = 23 24 31 45.4 68.7 -3.2 -90.4 1292 R 2 8666 19 34 00 3C84 23 28 32 36.9 52.4 -3.9 -95.7 213 1 2 8666 19 38 00 23 32 32 37.7 52.3 -3.8 -96.4 240 R 2 7333 19 38 00 J0237+2848 23 32 32 47.1 68.6 -3.1 -91.4 -28 1 2 7333 20 00 00 = 23 54 36 52.0 68.3 -2.7 -94.3 1291 R 2 0 20 04 00 3C84 23 58 37 42.5 51.3 -3.3 -101.3 211 1 3 0 20 08 00 00 02 37 43.2 51.1 -3.3 -102.1 240 F 1 1333 20 08 00 J0237+2848 00 02 37 53.7 68.0 -2.6 -95.5 -31 1 3 1333 20 30 00 = 00 24 41 58.5 66.9 -2.2 -99.0 1288 F 1 8666 20 34 00 3C84 00 28 42 47.9 49.3 -2.8 -107.7 208 1 3 8666 20 38 00 00 32 42 48.6 49.0 -2.8 -108.7 240 F 1 10000 20 38 00 J0237+2848 00 32 42 60.3 66.3 -2.1 -100.5 -33 1 3 10000 21 00 00 = 00 54 46 65.0 64.0 -1.7 -105.2 1286 F 1 17333 21 04 00 3C84 00 58 46 53.2 46.1 -2.3 -115.2 206 1 4 17333 21 08 00 01 02 47 53.8 45.5 -2.3 -116.4 240 R 1 16000 21 08 00 J0237+2848 01 02 47 66.7 62.8 -1.6 -107.3 -35 1 4 16000 21 30 00 = 01 24 51 71.2 58.0 -1.2 -114.4 1284 R 1 8666 21 34 00 3C84 01 28 51 58.1 41.1 -1.8 -124.3 203 1 4 8666 21 38 00 01 32 52 58.7 40.3 -1.8 -125.7 240 R 1 7333 21 38 00 J0237+2848 01 32 52 72.8 55.5 -1.1 -117.8 -38 1 4 7333 22 00 00 = 01 54 56 76.8 45.2 -0.7 -130.4 1281 R 1 0 22 04 00 3C84 01 58 56 62.4 33.8 -1.3 -135.6 201 1 3 0 22 08 00 02 02 57 62.9 32.6 -1.3 -137.4 240 F 2 1333 22 08 00 J0237+2848 02 02 57 78.0 39.6 -0.6 -136.8 -40 1 3 1333 22 30 00 = 02 25 01 80.6 17.1 -0.2 -161.6 1279 F 2 8666 22 34 00 3C84 02 29 01 65.8 23.5 -0.8 -149.9 200 1 3 8666 22 38 00 02 33 02 66.2 21.9 -0.8 -152.0 240 F 2 10000 Schedule for VLBA_MK (Code Mk ) 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 02 33 02 81.0 6.4 -0.1 -173.1 -39 1 3 10000 23 00 00 = 02 55 06 80.2 -23.0 0.3 155.2 1280 F 2 17333 23 04 00 3C84 02 59 06 67.9 10.2 -0.3 -167.1 205 1 4 17333 23 08 00 03 03 07 68.0 8.2 -0.3 -169.6 240 R 2 16000 23 08 00 J0237+2848 03 03 07 79.3 -31.6 0.4 145.8 -36 1 4 16000 23 30 00 = 03 25 10 75.9 -48.0 0.8 127.1 1283 R 2 8666 23 34 00 3C84 03 29 11 68.2 -4.9 0.2 173.9 201 1 4 8666 23 38 00 03 33 12 68.1 -6.9 0.2 171.4 240 R 2 7333 23 38 00 J0237+2848 03 33 12 74.5 -51.9 0.9 122.3 -40 1 4 7333 23 59 59 = 03 55 15 70.2 -59.3 1.3 112.6 1278 R 2 0 --- Fri 26 Apr 1996 Day 117 --- 00 04 00 3C84 03 59 16 66.7 -19.1 0.7 155.8 203 1 5 0 00 08 00 04 03 17 66.4 -20.8 0.7 153.5 240 F 1 1333 00 08 00 J0237+2848 04 03 17 68.6 -61.1 1.4 110.0 -36 1 5 1333 00 30 00 = 04 25 20 63.9 -64.6 1.8 104.1 1283 F 1 8666 00 34 00 3C84 04 29 21 63.7 -30.5 1.2 140.4 207 1 5 8666 00 38 00 04 33 22 63.2 -31.8 1.2 138.6 240 F 1 10000 00 38 00 J0237+2848 04 33 22 62.2 -65.5 1.9 102.3 -32 1 5 10000 01 00 00 = 04 55 25 57.5 -67.2 2.3 98.2 1287 F 1 17333 01 04 00 3C84 04 59 26 59.7 -38.8 1.7 128.1 211 1 6 17333 01 08 00 05 03 27 59.1 -39.7 1.7 126.7 240 R 1 16000 01 08 00 J0237+2848 05 03 27 55.7 -67.6 2.4 96.9 -28 1 6 16000 01 30 00 = 05 25 30 50.9 -68.4 2.8 93.6 1291 R 1 8666 01 34 00 3C84 05 29 31 55.0 -44.5 2.2 118.3 214 1 6 8666 01 38 00 05 33 31 54.3 -45.1 2.2 117.1 240 R 1 7333 01 38 00 J0237+2848 05 33 31 49.2 -68.5 2.9 92.6 -25 1 6 7333 02 00 00 = 05 55 35 44.3 -68.7 3.3 89.8 1294 R 1 0 02 04 00 3C84 05 59 36 49.8 -48.3 2.7 110.3 216 1 5 0 02 08 00 06 03 36 49.1 -48.7 2.7 109.3 240 F 2 1333 Schedule for VLBA_MK (Code Mk ) 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 06 03 36 42.6 -68.6 3.4 88.8 -23 1 5 1333 02 30 00 = 06 25 40 37.7 -68.4 3.8 86.4 1296 F 2 8666 02 34 00 3C84 06 29 41 44.4 -50.7 3.2 103.5 216 1 5 8666 02 38 00 06 33 41 43.7 -50.9 3.2 102.7 240 F 2 10000 02 38 00 J0237+2848 06 33 41 36.0 -68.2 3.9 85.5 -25 1 5 10000 03 00 00 = 06 55 45 31.2 -67.7 4.3 83.1 1294 F 2 17333 03 04 00 3C84 06 59 46 38.9 -52.1 3.7 97.6 214 1 6 17333 03 08 00 07 03 46 38.2 -52.2 3.7 96.9 240 R 2 16000 03 08 00 J0237+2848 07 03 46 29.4 -67.4 4.4 82.3 -27 1 6 16000 03 30 00 = 07 25 50 24.7 -66.6 4.8 80.0 1292 R 2 8666 03 34 00 4C39.25 07 29 51 58.3 46.2 -1.9 -118.9 154 1 6 8666 04 00 00 07 55 55 62.5 40.6 -1.5 -128.0 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