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Observing >> Variable Star Observing and Radio Astronomy

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ZielkeNightsky
Pooh-Bah
*****

Reged: 10/01/06

Loc: Denmark
SNHunt168 - probably a type 1c - BUT... new
      #5656481 - 02/01/13 02:33 PM

Hi all

Obtained an image of SNHunt168 in MCG +5-22-20, close to NGC 2783, yesterday.

BUT

I looked at some Palomar, DSSII, SDSSII images, and could not find any hard evidence for a super nova at this location. Very strange, since it is now confirmed as a likely type 1c with spectroscopy. Atel 4772

I'm baffled by this one.

Any thoughts?


My image 200% compared to SDSS II


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robin_astro
sage


Reged: 12/18/05

Re: SNHunt168 - probably a type 1c - BUT... new [Re: ZielkeNightsky]
      #5656687 - 02/01/13 04:27 PM

Hi Lars

The discovery image is here
http://nesssi.cacr.caltech.edu/catalina/Current/20130115_472.html
By eye there is nothing obvious to see but the difference image shows a brightening of the galaxy core. Presumably the spectrum was also obtained by difference.

Cheers
Robin

Edited by robin_astro (02/01/13 04:28 PM)


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ZielkeNightsky
Pooh-Bah
*****

Reged: 10/01/06

Loc: Denmark
Re: SNHunt168 - probably a type 1c - BUT... [Re: robin_astro]
      #5656800 - 02/01/13 05:16 PM

Thanks Robin - Not a puzzle any more.

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Rich (RLTYS)Moderator
Post Laureate
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Reged: 12/18/04

Loc: New York (Long Island)
Re: SNHunt168 - probably a type 1c - BUT... new [Re: ZielkeNightsky]
      #5660340 - 02/03/13 04:54 PM Attachment (18 downloads)

Here's my image of SNHunt168 taken on the 3rd. On 2/1 it was mag 15.3.

Rich (RLTYS)


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