(cba:news) Fwd: (cba:chat) Fwd: [vsnet-alert 16982] SDSS J090221.35+381941.9 outburst!

Joe Patterson jop at astro.columbia.edu
Fri Mar 7 10:02:01 EST 2014


I'll say!  Glorious new object, and let's fire with all cylinders.  The 
AM CVn outbursts, even the supers, don't usually last long.  Just a 
spectacular new CBA target!

joe

And it's time now to pick up the monitoring of V1159 Ori in the evening 
sky.  In a week the Suzaku observation will start.  We definitely want 
snapshots to cover its wanderings in the 4 d mini-outburst cycle... but 
also time series to monitor for superhumps (the latter applying to the 
Suzaku times mainly, so for now the monitoring is the main thing).




-------- Original Message --------
Return-Path: <cba-chat-bounces at cbastro.org>


  ... And yet another interesting short-period AM CVn-type target found 
in outburst by MASTER.

Enrique


Begin forwarded message:

> From: Denis Denisenko <d.v.denisenko at gmail.com>
> Date: March 6, 2014 8:20:29 PM GMT+01:00
> To: vsnet-alert at ooruri.kusastro.kyoto-u.ac.jp
> Subject: [vsnet-alert 16982] SDSS J090221.35+381941.9 outburst!
>
> MASTER-Kislovodsk has detected this ultra-short period AM CVn-type
> dwarf nova in bright outburst:
>
> SDSS J090221.35+381941.9
>  20140306.748  14.05C  MASTER-Kislovodsk
>  20140306.749  14.08C  MASTER-Kislovodsk
>  20140306.750  14.05C  MASTER-Kislovodsk
>  20140306.773  13.98C  MASTER-Kislovodsk
>  20140306.774  13.97C  MASTER-Kislovodsk
>  20140306.775  14.14C  MASTER-Kislovodsk
>  20140306.796  14.09C  MASTER-Kislovodsk
>  20140306.797  13.97C  MASTER-Kislovodsk
>  20140306.798  13.98C  MASTER-Kislovodsk
>
> Orbital period is 0.03355d (48.3 minutes).
>
> SDSS J090221.35+381941.8
> u=20.16 g=20.23 r=20.47 i=20.58 z=20.76
> http://skyserver.sdss3.org/dr8/en/tools/explore/obj.asp?id=1237657874863948140
>
> Denis Denisenko
> Member of MASTER team at SAI MSU

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