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IAUC 7070: 1998ez; P/1998 W2; 1998aq; 1998bu, 1998ec, 1998ef, 1998eg, 1998en, 1998es, 1998et

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IAUC number 

                                                 Circular No. 7070
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
Phone 617-495-7244/7440/7444 (for emergency use only)


SUPERNOVA 1998ez IN ANONYMOUS GALAXY
     L. Germany reports the discovery by the Mount Stromlo Abell
Cluster Supernova Search Team (cf. IAUC 6639) of an apparent
supernova (V = 20) on V and R CCD images taken on Dec. 8 (limiting
mag V = 21) by S. Sabine at the Mount Stromlo 1.27-m telescope (+
Macho Camera).  SN 1998ez is located near Abell 3188 at R.A. =
3h57m32s.93, Decl. = -27o12'13".6 (equinox 2000.0), which is 0".7
east and 4".0 north of the host galaxy's center.  A nearby star has
position end figures 30s.25, 11'16".1.  SN 1998ez was not visible
on similar images taken on Oct. 24 (limiting mag V = 20.5) but it
was confirmed by S. Sabine with the same telescope (limiting mag V
= 20), and by L. Germany with the Mount Stromlo 2.3-m telescope (in
B, V, R, and I), on Dec. 11.


COMET P/1998 W2 (HERGENROTHER)
     The following orbital elements from MPEC 1998-Y15 show this to
be a short-period comet:

     T = 1998 Dec.  6.057 TT          Peri. =  13.972
     e = 0.60389                      Node  = 356.555   2000.0
     q = 1.41866 AU                   Incl. =  21.915
       a =  3.58147 AU     n = 0.145416     P =   6.78 years


SUPERNOVA 1998aq IN NGC 3982
     CCD magnitude estimates, unfiltered unless otherwise noted:
May 9.94 UT, 13.5 (S. Moretti and S. Tomaselli, Forli, Italy);
22.863, 13.4 (G. Masi, Ceccano, Italy); Nov. 20.139, V = 19.0 +/-
0.2 (L. Kiss and K. Sarneczky, Piszkesteto, Konkoly Observatory,
Hungary).


SUPERNOVAE 1998bu, 1998ec, 1998ef, 1998eg, 1998en, 1998es, 1998et                      (C) Copyright 1998 CBAT
1998 December 18               (7070)            Daniel W. E. Green

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