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[vsnet-newvar 1462] Re: Suspect object near NGC 6946




GSC2.2 N1302108267 at RA2000 20h 34m 45.93s error 0.345" and DE2000 +60d
16' 24.4" error 0.358" is visible on archive images.

The magnitudes from the GSC2.2 are only 16.73 error 0.42 for the F plate
image and 18.42 error 0.36 for the J plate image (no epochs given).

Cheers

John

John Greaves
UK


Taichi Kato wrote:
> 
> Suspect object near NGC 6946
> 
> Dear Colleagues,
> 
>    Maciej Reszelski has relayed the following information.
> 
> > Just received massage from my friend about photo which
> > made by Leszek Marcinek. I haven't date and time of photo for now
> > but observer raported that he made pics within a month.
> > The star marked by L.M. is probably some new object. It
> > not looks like a plate defect for me. The coordinates (by
> > my hand) are:
> > RA= 20h 34m 45s.9  Decl. +60d 16m 24s.0
> 
> ---
> 
>  The image has been tentatively placed at
>  http://vsnet.kusastro.kyoto-u.ac.jp/pub/vsnet/Novae/query/Marcinek/Marcinek.jpg
> 
>   The color (rather blue) seems to be slightly inconsistent with a faint
> nova.  There is no X-ray source at this position.  It seems to me that
> a faint USNO star is present at this position.  If this is the quiescent
> counterpart, it may be possible that the suspect object is an outbursting
> dwarf nova.  Otherwise, the object may belong to NGC 6946 (the color is
> consistent with a supernova, but is located too distant from the galaxy?).
> 
>   In any case, urgent confirmation and observation are extremely important.
> 
> Regards,
> Taichi Kato

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