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IAUC 8064: 2003ab; 2003ac; 2003aa; XTE J0119-731

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IAUC number 

                                                  Circular No. 8064
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)
CBAT@CFA.HARVARD.EDU (science)
URL http://cfa-www.harvard.edu/iau/cbat.html  ISSN 0081-0304
Phone 617-495-7440/7244/7444 (for emergency use only)


SUPERNOVA 2003ab IN UGC 4930
     Further to IAUC 8062, T. Boles reports the discovery, on
unfiltered CCD images taken on Feb. 1.971 and 2.856 UT, of an
apparent supernova (mag 17.8) located at R.A. = 9h19m13s.26, Decl.
= +48o58'09".1, which is approximately 9".3 east and 4".2 north of
the center of UGC 4930.  The new object is not present on Boles'
images from 2002 Dec. 29 (limiting mag 19.0) or Apr. 11, and it is
not present on Palomar Sky Survey red or blue plates.


SUPERNOVA 2003ac IN IC 3203
     Further to IAUC 8063, B. Swift and W. Li report the LOTOSS
discovery of an apparent supernova (mag about 18.9) on unfiltered
KAIT images taken on Jan. 7.5, 20.4, Feb. 2.5, and 3.4 UT.  SN
2003ac is located at R.A. = 12h21m47s.35, Decl. = +25o52'33".1
(equinox 2000.0), which is 23".4 east and 30".9 south of the
nucleus of IC 3203.  A KAIT image taken on 2002 May 17.3 showed
nothing at this position (limiting mag about 19.5).


SUPERNOVA 2003aa IN NGC 3367
     Further to IAUC 8063, T. Matheson, P. Challis, and R. Kirshner
report that a spectrum (range 370-750 nm) of SN 2003aa (cf. IAUC
8063), obtained by P. Berlind with the 1.5-m reflector on Feb. 2.31
UT, shows it to be a type-Ic supernova.  The spectrum is similar to
that of SN 1994I, four days before maximum (Filippenko et al. 1995,
Ap.J. 450, L11).


XTE J0119-731
     R. Corbet, Goddard Space Flight Center (GSFC) and Universities
Space Research Association; C. B. Markwardt, GSFC and University of
Maryland; F. E. Marshall, GSFC; M. J. Coe and W. R. T. Edge,
University of Southampton; and S. Laycock, Center for Astrophysics,
report that RXTE Proportional Counter Array observations (2-10 keV;
total exposure time 13740 s) on Jan. 5 detected a transient x-ray
pulsar with intensity approximately 1.3 counts s**-1 PCU**-1, or
about 0.625 mCrab, and a period of 2.1652 +/- 0.0001 s, in the
direction of the Small Magellanic Cloud (SMC):  "If this represents
the rotation period of a neutron star, then it is the fastest known
transient pulsar in the SMC.  The source position, determined from
slews over this region, is R.A. = 1h19m51s, Decl. = -73o11'.8
(equinox 2000.0; estimated errors 2' in R.A. and 3'.7 in Decl.).
The pulsar was not detected in observations made in the same
pointing direction on 2002 Dec. 13 and 2003 Jan. 17."

                      (C) Copyright 2003 CBAT
2003 February 3                (8064)            Daniel W. E. Green

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