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IAUC 7134: 1999be, 1999bf; 1999bd; P/1999 D1

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                                                  Circular No. 7134
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)


SUPERNOVAE 1999be AND 1999bf
     P. Nugent, Lawrence Berkeley National Laboratory, reports the
discovery of two supernovae on unfiltered CCD images on behalf of
the Supernova Cosmology Project (cf. IAUC 7125, 7128) and the
Spacewatch program at the University of Arizona (which includes
R. S. McMillan, T. Gehrels, J. A. Larsen, J. L. Montani, J. V.
Scotti, N. Danzl, and A. Gleason):

SN      1999 UT     R.A. (2000.0) Decl.      Mag.    Offset
1999be  Mar. 10    8 23 38.60  +18 18 20.4   15.8   12" W, 24" N
1999bf  Mar. 10   11 49 52.28  - 0 41 19.9   20.8       ?

A CCD spectrum by G. Aldering at the Cerro Tololo 4-m telescope on
Mar. 25 UT showed SN 1999be to be a type-Ia supernova, about 1 week
after peak brightness, at a recessional velocity of 5650 km/s,
similar to that of the host galaxy, CGCG 089-013.  SN 1999bf has no
apparent host on the discovery images (limiting mag about 22); it
was also observed by Aldering the same night and was found to be a
type-Ia supernova near maximum light at a redshift of 0.24.
Finding charts for the supernovae can be obtained from
http://panisse.lbl.gov/nearsearch/fcharts/index.html.


SUPERNOVA 1999bd IN ANONYMOUS GALAXY
     B. Skiff, Lowell Observatory, reports that the Digitized Sky
Survey shows a very faint galaxy of nominal red magnitude 19.0
whose USNO-A2.0 catalogue position (R.A. = 9h30m29s.10, Decl. =
+16o26'06".8, equinox 2000.0) is 1".4 from the supernova position
reported on IAUC 7133.


COMET P/1999 D1 (HERMANN)
     Ephemeris extension to IAUC 7112 from orbital elements on MPC
33858 (P = 13.4 yr):

1999 TT     R. A. (2000) Decl.   Delta     r    Elong. Phase    m1
Mar. 23    11 43.07   -10 23.1   0.704   1.692  168.7    6.6   16.5
Apr.  2    11 32.53   -13 54.8   0.746   1.720  160.2   11.3   16.7
     12    11 25.23   -16 42.6   0.810   1.754  150.8   16.2   17.0
     22    11 22.05   -18 52.3   0.892   1.794  142.1   20.1   17.3
May   2    11 23.06   -20 34.4   0.989   1.839  134.2   23.1   17.6
     12    11 27.79   -21 58.2   1.100   1.889  127.1   25.3   18.0
     22    11 35.67   -23 11.2   1.222   1.943  120.6   26.6   18.3

                      (C) Copyright 1999 CBAT
1999 March 27                  (7134)            Daniel W. E. Green

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