ROSAT Observations of Comet C/1995 O1 (Hale-Bopp)


Comet Hale-Bopp was observed with ROSAT around the following dates:

Miscellaneous:



ROSAT observations of comet Hale-Bopp in April 1996:

================================================ ROR date start dur R.A. Dec. yymmdd sec sec deg deg ------------------------------------------------ 180098 960424 59800 1385 296.215 -17.830 180098 960425 65092 1548 296.215 -17.830 180098 960426 23775 2175 296.215 -17.830 ================================================ Information from the ephemeris: Heliocentric distance: 4.6 AU Geocentric distance: 4.3 AU Visual magnitude (coma): 8.2 mag

ROSAT observations of comet Hale-Bopp in September 1996:

============================================================================================= ROR date start dur R.A. Dec. Weilheim contacts / ROSAT observations yymmdd sec sec deg deg (UT) (UT) --------------------------------------------------------------------------------------------- 180143 960901 41145 1695 264.608 -6.518 180143 960901 46905 1660 264.608 -6.518 180143 960901 52575 1740 264.608 -6.518 180143 960901 58290 1815 264.608 -6.518 180143 960901 64080 1708 264.608 -6.518 180143 960901 75900 1328 264.608 -6.518 ............................................................................................. 180150 960914 64200 1781 263.000 -5.772 180150 960914 70080 1605 263.000 -5.772 19:39:26 - 19:49:18 / 19:28:00 - 19:54:45 180150 960915 5670 1620 263.000 -5.772 180150 960915 51960 2142 263.000 -5.772 180150 960915 63750 1826 263.000 -5.772 17:54:38 - 18:01:43 / 17:42:30 - 18:12:56 180150 960915 69600 1620 263.000 -5.772 19:31:59 - 19:41:58 / 19:20:00 - 19:47:00 ............................................................................................. 180158 960929 45630 2830 262.417 -5.065 12:52:44 - 12:59:54 / 12:40:30 - 13:27:40 180158 960929 51480 2670 262.417 -5.065 14:30:08 - 14:40:08 / 14:18:00 - 15:02:30 180158 960929 57135 2745 262.417 -5.065 16:09:48 - 16:19:40 / 15:52:15 - 16:38:00 180158 960929 63778 1860 262.417 -5.065 17:49:49 - 17:59:37 / 17:42:58 - 18:13:58 ============================================================================================= Information from the ephemeris: Date: Sep 01 Sep 15 Sep 29 ------------------------------------------------------ Heliocentric distance: 3.24 AU 3.07 AU 2.90 AU Geocentric distance: 2.82 AU 2.90 AU 2.98 AU Visual magnitude (coma): 6.1 mag 5.9 mag 5.7 mag

ROSAT observations of comet Hale-Bopp in October 1997:

In total 43 ksec of observing time were scheduled: ================================================ ROR date start dur R.A. Dec. yymmdd sec sec deg deg ------------------------------------------------ 900796 971015 84225 571 122.621 -43.818 900722 971016 77940 664 122.608 -44.234 900722 971016 83775 627 122.608 -44.234 900722 971017 3180 522 122.608 -44.234 900723 971018 2685 583 122.592 -44.725 900723 971018 20040 409 122.592 -44.725 900723 971018 23089 551 122.592 -44.725 900724 971018 76980 720 122.571 -45.062 900724 971018 82815 650 122.571 -45.062 900724 971019 2220 545 122.571 -45.062 900724 971019 30915 558 122.571 -45.062 900725 971019 76500 784 122.533 -45.515 900725 971019 82320 691 122.533 -45.515 900725 971020 1740 601 122.533 -45.515 900725 971020 7530 558 122.533 -45.515 900725 971020 13305 541 122.533 -45.515 900725 971020 19065 439 122.533 -45.515 900725 971020 36195 559 122.533 -45.515 900797 971020 70215 935 122.492 -45.953 900797 971020 76020 800 122.492 -45.953 900797 971020 81855 711 122.492 -45.953 900797 971021 1260 636 122.492 -45.953 900797 971021 7065 566 122.492 -45.953 900797 971021 24255 525 122.492 -45.953 900797 971021 29955 611 122.492 -45.953 900797 971021 35715 551 122.492 -45.953 900798 971021 69720 957 122.444 -46.364 900798 971021 75555 852 122.444 -46.364 900798 971021 81375 732 122.444 -46.364 900798 971022 780 687 122.444 -46.364 900798 971022 6570 597 122.444 -46.364 900798 971022 12345 563 122.444 -46.364 900798 971022 18075 537 122.444 -46.364 900798 971022 23760 642 122.444 -46.364 900798 971022 29490 582 122.444 -46.364 900799 971022 69225 980 122.388 -46.774 900799 971022 75060 845 122.388 -46.774 900799 971022 80880 785 122.388 -46.774 900799 971023 300 703 122.388 -46.774 900799 971023 6090 648 122.388 -46.774 900799 971023 11865 594 122.388 -46.774 900799 971023 17580 609 122.388 -46.774 900799 971023 23265 693 122.388 -46.774 900799 971023 28995 673 122.388 -46.774 900799 971023 34875 534 122.388 -46.774 900800 971023 68760 1076 122.324 -47.182 900800 971023 74595 926 122.324 -47.182 900800 971023 80415 836 122.324 -47.182 900800 971023 86220 731 122.324 -47.182 900800 971024 5610 731 122.324 -47.182 900800 971024 11370 656 122.324 -47.182 900800 971024 17100 686 122.324 -47.182 900800 971024 22755 761 122.324 -47.182 900800 971024 28500 746 122.324 -47.182 900801 971024 68280 1077 122.251 -47.589 900801 971024 74115 972 122.251 -47.589 900801 971024 79920 897 122.251 -47.589 900801 971024 85725 852 122.251 -47.589 900801 971025 5130 747 122.251 -47.589 900801 971025 10875 732 122.251 -47.589 900801 971025 16605 685 122.251 -47.589 900801 971025 22230 837 122.251 -47.589 900801 971025 28005 792 122.251 -47.589 ================================================ Information from the ephemeris: Heliocentric distance: 3.1 AU Geocentric distance: 3.2 AU Visual magnitude (coma): 6.2 mag


ASCA observation of comet Hale-Bopp in September 1996:

----------------------------------------------------------------------------- A S C A WEEKLY OBSERVATION PLAN ----------------------------------------------------------------------------- September 18 - 27 ver-1 (96/09/04) (ISAS contact scientist: M. ISHIDA ishida@astro.isas.ac.jp) ----------------------------------------------------------------------------- Date MNV Target Tag. Exp. Observation PI or start name Cat. (ks) Cat. Pri./TC ( PPI/Co-PI) ----------------------------------------------------------------------------- 9/25 1:00 Comet Hale-Bopp Star 20 JPN TOO Nagase /ASCA team ----------------------------------------------------------------------------- (Note) Obs. Cat. JPN: Japan time, US: US time, JUS: Japan-US Collaboration, USJ: US-Japan Collaboration, MJU: Merged Japan-US (PPI=Japan), MUJ: Merged US-Japan (PPI=US), ESJ: ESA-Japan Program, MOT: Manager's observatory time (Calibration and maintenance)

Jakob Englhauser / 1997-Oct-15