[vsnet-outburst 8354] Re: [vsnet-campaign-dn 5241] Fw: [cvnet-outburst] SDSS J082409.73+493124.4

[Roger Pickard]

I observed this star for over 6 hours last night during which it 
showed much scatter around a mean 15.5 CCDV.  The scatter was 
generally between 15.2 and 15.8.
Data have been uploaded to the AAVSO database.
Roger Pickard, Shobdon, UK


----- Original Message ----- 
From: "Hiroyuki Maehara" <mira at cetus-net.org>
To: <vsnet-outburst at ooruri.kusastro.kyoto-u.ac.jp>; 
<vsnet-campaign-dn at ooruri.kusastro.kyoto-u.ac.jp>
Sent: Saturday, December 22, 2007 11:32 PM
Subject: [vsnet-campaign-dn 5241] Fw: [cvnet-outburst] SDSS 
J082409.73+493124.4


> Dear colleagues,
>
> Jeremy Shears reported an outburst of the SU UMa-type dwarf nova
> SDSS J082409.73+493124.4.
>
> According to Boyd et al. 2007, arXiv:0707.1865, this star has a
> common superhump period of 0.06954(5) days. Superhump maximum
> timings in Boyd et al. (2007) suggest that the change rate of
> superhump period was positive through the common superhump phase
> of the 2007 February/March superoutburst.
>
> Time-series observations are encouraged.
>
> Best regards,
> Hiroyuki Maehara
>
>
> ----- Forwarded message from Jeremy Shears 
> <bunburyobservatory at hotmail.com> -----
> To: baavss-alert at yahoogroups.com, cvnet-outburst at yahoogroups.com
> From: Jeremy Shears <bunburyobservatory at hotmail.com>
> Date: Sat, 22 Dec 2007 21:52:52 +0000
> Subject: [cvnet-outburst] SDSS J082409.73+493124.4
>
>
> The UGSU-type DN SDSS J082409.73+493124.4 is in outburst:
>
> Dec 22.903 15.6C
>
> Jeremy Shears (SFY)
> Cheshire, UK
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> -- 
> Hiroyuki Maehara
> mira at cetus-net.org
> http://www.cetus-net.org/
>