[vsnet-alert 13751] Re: NSV01436 bright outburst

Tom Krajci tom_krajci at tularosa.net
Wed Oct 12 14:54:58 JST 2011


griz images from Astrokolkhoz tonight show that this object is blue, and 
is currently at approx. r' mag. 14.5  (This includes the light of the 
faint neighbor approx. 3.5 arcsec away)

Time series is being run tonight for six hours.



On 10/10/2011 6:41 PM, Taichi Kato wrote:
>     Fwd from aavso-discussion by Mike Linnolt.
>     The object is potentially an IP with brief outbursts.
>
> ===
>
> Just observed it a few hours ago at v=12.4 this is the brightest outburst
> since its "reactivation" last year.
> A brief summary of the star:
> This is one of the old Ross variables which was discovered early in the 20th
> century and had only a few historically recorded outbursts. It was found to
> be around v=18 to 19 several times in the past decade. Last year it began
> frequent eruptions to v~13, and each eruption seems to be getting brighter
> at the peak, as today it is at its brightest in the last 50 years at least!
> Could this be a UGZ which has been in a standstill around V~16 the past
> decade or more, finally resuming its outbursting behavior? Very unusual
> variable, indeed.
>
>
> Mike LMK
>

-- 
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Tom Krajci
Cloudcroft, New Mexico
http://picasaweb.google.com/tom.krajci

Center for Backyard Astrophysics (CBA)
http://cbastro.org/ CBA New Mexico

American Association of Variable Star
Observers (AAVSO): KTC http://www.aavso.org/
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