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IAUC 7370: C/2000 D1; P/1999 XB_69; P/1999 XN_120; Corrs

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                                                  Circular No. 7370
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
Mailstop 18, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
IAUSUBS@CFA.HARVARD.EDU or FAX 617-495-7231 (subscriptions)
BMARSDEN@CFA.HARVARD.EDU or DGREEN@CFA.HARVARD.EDU (science)
URL http://cfa-www.harvard.edu/iau/cbat.html  ISSN 0081-0304
Phone 617-495-7244/7440/7444 (for emergency use only)


COMET C/2000 D1 (SOHO)
    D. A. Biesecker, SM&A Corporation and Goddard Space Flight
Center, reports observations of an evident Kreutz sungrazing comet
with a tail discovered by D. Lewis in SOHO/LASCO C3 data.
Astrometry and parabolic orbital elements are given on MPEC
2000-D38.  Biesecker provides apparent magnitudes brightening from
V = 7.4 +/- 0.2 on Feb. 28.971 to 5.8 +/- 0.1 on Feb. 29.404 UT.

     2000 UT           R.A. (2000) Decl.
     Feb. 28.571     23 15.0       - 9 57


COMET P/1999 XB_69 (LINEAR)
     An apparently asteroidal object discovered by LINEAR (MPS
8018) with a cometlike orbit has been observed by C. Hergenrother,
Lunar and Planetary Laboratory, on Feb. 27 with the Catalina 1.54-m
reflector to show a 5" coma and a 10" tail in p.a. 80 deg.
Additional astrometry and orbital elements (q = 2000 Feb. 17.04 TT,
q = 1.64 AU, i = 11.34 deg, P = 9.4 yr) appear on MPEC 2000-D39.

     1999 UT             R.A. (2000) Decl.        m2
     Dec.  7.29234    5 06 13.11   +22 55 00.3   17.9


COMET P/1999 XN_120 (CATALINA)
     An apparently asteroidal object discovered by the Catalina Sky
Survey (MPS 8071) with a cometlike orbit was also observed by
Hergenrother on Feb. 27 with the 1.54-m reflector to show a 12"
coma but no tail.  Additional astrometry and orbital elements (q =
2000 May 1.41 TT, q = 3.29 AU, i = 5.03 deg, P = 8.5 yr) appear on
MPEC 2000-D40.

     1999 UT             R.A. (2000) Decl.        m2
     Dec.  5.19023    3 28 46.75   +24 01 26.8   16.9


CORRIGENDA
     On IAUC 6956, 'Supernova 1998cr in PGC 57979', line 5, for
0".5 west  read  6".0 west
     On IAUC 6957, 'Supernova 1998cs in UGC 10432', line 5, for
0".2 east  read  2".2 east

                      (C) Copyright 2000 CBAT
2000 February 29               (7370)            Daniel W. E. Green

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