[vsnet-campaign-dn 1443] (fwd) Re: WZ Sge results of Aug 29/30 : spectacular (5th) rebrightening !

[Taichi Kato <tkato>]

(fwd) Re: WZ Sge results of Aug 29/30 : spectacular (5th) rebrightening !

Date: Thu, 30 Aug 2001 21:04:52 -0500
From: Orville Brettman <rivendell.astro@worldnet.att.net>
Subject: [vsnet-campaign-dn 0] Re: WZ Sge results of Aug 29/30 : spectacular (5th) rebrightening !

All;

We had a short ( <5hrs ) run here at Rivendell, but on first inspection
of the first image found the usual suspect to be apparently brighter
than when first observed one month ago. We await processing of the
images (when our task masters allow) to confirm such an unusual
conclusion.

orv.

Tonny Vanmunster wrote:
> 
> Dear colleagues,
> 
> I just finished processing my WZ Sge CCD images of August 29/30, and was
> overwhelmed by the resulting light curve ! I collected 714 CCD images over a
> period of nearly 7.8 hours, between August 29.81 UT and August 30.13 UT.
> During the initial 4.0 hours of the run, WZ Sge was humping more or less at
> a constant brightness level, showing again complex modulations. But, it then
> gradually started to brighten at a slow rate first, suddenly followed by an
> extra-ordinary increase of 0.8 mag in 2.4 hours (or 0.33 mag per hour !).
> 
> This confirms the finding of Donn Starkey [vsnet-alert 6510] and shows that
> the rise to maximum brightness was at an even higher speed than initially
> pointed out by Donn.
> 
> As expected yesterday, it's now cloudy over Belgium - and it's likely gonna
> stay like this for a number of nights.
> 
> I have made my August 29/30 light curve available on my web site, as always.
> 
> Have fun and please continue the dense monitoring WZ Sge !
> 
> Tonny Vanmunster
> CBA Belgium Observatory
> http://vsnet.lunarpages.com/cbabelgium
> email : Tonny.Vanmunster@advalvas.be

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