[vsnet-campaign-sn 420] types for recent SNe

[Hitoshi YAMAOKA <yamaoka@rc.kyushu-u.ac.jp>]

Dear SN watchers,

  The CfA team took spectra of recent SNe.  They can be seen at:
http://cfa-www.harvard.edu/cfa/oir/Research/supernova/RecentSN.html .

SN 2002cj:
In [vsnet-campaign-sn 416]:
>#   ESO 582-G005, the host galaxy of SN 2002cj, is a moderate-distant
># galaxy (nearly same as the Coma cluster).  The position of the new
># object is R.A. = 15h21m20s.71, Decl. = -19o51'27".3 (2000.0), about
># 4" due south of the nucleus.  Note that there is a "secondary
># nucleus of the galaxy" just at the position of the reported SN.
>#   The expected maximum for typical SN Ia is mag about 16.8 (after a
># correction of Galactic extinction).  The reported magnitude is
># somewhat brighter.  The spectral confirmation is urged.

  Its spectrum taken on May 2 resembles that of SN 2002cg, which they
claimed as "hypernovae".  The luminous nature of SN 2002cj is also
consistent with this hypothesis.

SN 2002ck:
In [vsnet-obs 39579]:
># The reported magnitudes are nearly same as the expected maximum for
># typical SN Ia in UGC 10030, the host galaxy of SN 2002ck (SB(s)b
># pec:).  

  This SN was revealed to be of type Ia near maximum on May 2.

SN 2002cp:
In [vsnet-campaign-sn 417]:
># SN 2002cp is located about 64" west and 23" north of the nucleus of
># a face-on open spiral (SAB(rs)c) galaxy NGC 3074.  The expected
># maximum for typical SN Ia is mag about 15.9.  NGC 3074 has produced
># SN 1965N, whose maximum was pg = 16.2.

  It is of type Ib/c SN before maximum on May 3.

SN 2002cr:

In [vsnet-campaign-sn 418]:
>  Another SN 1999cp was appeared on the same galaxy.  It was of type
>Ia, and its maximum was mag around 14.0.  The followup magnitude
>estimates and the spectral confirmations are urged for this bright SN.

  It is of type Ia a few days before maximum light on May 3.  Now it
is observed as being brighter than mag 15.

Sincerely Yours,
Hitoshi Yamaoka, Kyushu Univ., Japan
yamaoka@rc.kyushu-u.ac.jp

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