(cba:news) [vsnet-alert 13881] PR Her very bright outburst

Joe Patterson jop at astro.columbia.edu
Tue Nov 22 22:00:06 EST 2011


Hercules is mighty tough this time of year, but with help from a range 
of longitudes, we might be able to stitch together a good time series. 
It certainly has the potential to be an interesting star!

joe

-------- Original Message --------
Subject: [vsnet-outburst 13469] Re: [vsnet-alert 13881] PR Her very 
bright  outburst
Date: Tue, 22 Nov 2011 19:38:57 -0700
From: Tom Krajci <tom_krajci at tularosa.net>
To: Taichi Kato <tkato at kusastro.kyoto-u.ac.jp>
CC: wzsge at yahoogroups.com, vsnet-alert at ooruri.kusastro.kyoto-u.ac.jp, 
vsnet-outburst at ooruri.kusastro.kyoto-u.ac.jp, 
vsnet-outburst at yahoogroups.com, suuma at yahoogroups.com, 
variable_star_forum at yahoogroups.com, 
vsnet-campaign-dn at ooruri.kusastro.kyoto-u.ac.jp,	vsnet-alert at yahoogroups.com

Astrometry from one 60-second V filtered image at Astrokolkhoz:

PR Her (J2000)
18 08 04.47 +38 46 17.0

Tom Krajci

=============================

On 11/22/2011 6:42 PM, Taichi Kato wrote:
> As informed below, PR Her is undergoing a rare bright outburst!
> The quiescent magnitude is reported to be 21, and this object is
> most likely a WZ Sge-type dwarf nova (known maximum was 14.0p).
> All sorts of observations are encouraged!  Accurate astrometry
> of the outbursting object is also needed.
>
> ===
>
> From: FIDRICH Robert<fidusz at zpok.hu>
> Date: Tue, 22 Nov 2011 20:29:56 +0100
> Subject: [cvnet-outburst] PR Her in bright outburst?
>
> Dear Folks,
>
> Walter Macdonald just alerted us on the #aavso IRC channel, that PR Her
> is in avery bright outburst near 13th mag.
>
> His CCD picture can be found at:
> http://starlightccd.com/temp/002-prher-2x30s.jpg
>
> Is is probably a rare superoutburst?
>
> Clear skies,
>

-- 
-------------------------------------------
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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