[vsnet-alert 5296] SN 2000do in NGC 6754

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

Dear SN watchers,

  IAUC 7500 informed the discovery of SN 2000do in the southern galaxy
NGC 6754.  It is of type Ia around maximum, and now at mag 15.6.

  SN 2000do was discovered on Sept. 30.5 visually by an Australian
amateur Brett White, who had also discovered SN 1998dq on the same
galaxy!  Also, SN 1998X was on this galaxy.  The position of SN is
reported as R.A. = 19h11m26s.19, Decl. = -50o38'24".5 (2000.0)
measured by R. Evans and end figures 26s.33, 24".3 measured by G. L.
White, which is about 6" east and 8" north of the nucleus of the
spiral (SAB(rs)bc) galaxy NGC 6754.  It lies on the inner part of the
spiral arm.  Note that there are three mag 17 foreground stars: 
16" NW, 36" SSW, and 55" WSW of the nucleus.  On 70" NE, there is
small S0 galaxy (unnamed), but it seems not interacting with NGC 6754.

  The spectrum of SN 2000do shows that it is of normal type Ia SN a
few days after maximum.  However, SN Ia 1998dq was mv = 14.3 around
its discovery.  The expected maximum of typical SN Ia is mag 14.9.  
SN 2000do can be affected by extinction, or of a slightly dim nature. 
Further follow-ups including multicolor photometry are strongly urged.

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

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