[vsnet-alert 5762] (fwd) two new SNe

[Taichi Kato <tkato>]

From: weidong li <weidong@urania.Berkeley.EDU>
Date: Sun, 4 Mar 2001 03:21:12 -0800 (PST)

Dear Dan,

Here is a report of two new SNe and spectroscopic
observations.

Cheers,
Weidong


              SN 2001XXX in UGC 5857

   W. D. Li and M. Modjaz, University of California at Berkeley,
on behalf of LOTOSS (cf. IAUC 7514), report the discovery with
the 0.8-m Katzman Automatic Imaging Telescope (KAIT) of an apparent
supernova (mag about 18.1) on unfiltered images taken on Mar 3.34
and 3.47 UT. SN 2001XXX is located at R.A. = 10h44m50s.42, Decl. =
+6o35'50".8 (equinox 2000.0), which is 18".0 west and 2".3 north
of the nucleus of UGC 5857. SN 2001XXX was confirmed at about the
same brightness on an unfiltered image taken by M. Schwartz on
Mar 4.2 UT with the Tenagra Observatory 0.5-m automatic telescope.
Images of the same field taken with the Tenagra 0.5-m telescope on
Feb 19.3 UT (limiting mag about 18.5) and with KAIT on 1999 Apr
10.3 UT (limiting mag about 19.5) showed nothing at this position.
   R. Chornock and W. D. Li, University of California at Berkeley, 
observed a noisy spectrum of SN 2001XXX with the Lick Observatory
Shane 3-m telescope on Mar 3.5 UT under poor conditions. The spectrum
is featureless with a very blue continuum, and suggests that SN 2001XXX
is a Type II supernova before maximum light.

           SN 2001X in NGC 5921

    Chornock and Li also report that a spectrum of SN 2001X (cf. IAUC 
7591) obtained as above shows a very blue continuum with strong H 
Balmer lines, indicates that it is a Type II supernova before maximum
light. The He 587.6 nm line is also strong.


            SN 2001XXX in IC 3528

    Modjaz and Li also report the LOTOSS discovery with KAIT of another 
apparent supernova (mag about 18.3) on an unfiltered image taken on Mar
3.5 UT. SN 2001XXX is located at R. A. = 12h34m55s.87, Decl. = +15o34'7".5
(Equinox 2000.0), which is 0".5 west and 11".2 north of the nucleus of 
IC 3528. The new object was confirmed (mag about 18.5) on an unfiltered
image taken by M. Schwartz on Mar 4.4 UT with the Tenagra 0.5-m automatic
telescope. A KAIT image of the same field taken on Feb 6.4 UT showed nothing 
at the position of the new object (limiting mag about 19.5).

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