[Aavso-photometry] BZ UMa Update

[Shawn Dvorak (RHO)]

Clear here in Florida, after a couple of cold, rainy days (one of those rare 
occasions when the weather actually cooperates!).  I'll start on BZ UMa with 
a V filter in about 20-30 minutes when it gets up high enough.

Shawn

----- Original Message ----- 
From: "Aaron Price" <aprice at gmail.com>
To: <aavso-photometry at aavso.org>
Sent: Sunday, January 16, 2005 2:21 PM
Subject: [Aavso-photometry] BZ UMa Update


> David Boyd has confirmed the outburst at V=11.6. Tonny is currently
> getting some observations but weather is threatening to shut him down.
>
> Europeans: Please kick in for the next few hours to cover the daylight
> in North America.
> North Americans: Please prepare to get on it as soon as you can and
> please observe as long into the night as possible.
> Pacific & East Asians: You have time to rest, but please start as
> early as you can this evening. There is normally a Pacific gap so lets
> do what we can to minimize it this time.
>
> BZ UMa's outbursts are usually short (~5 days) so rest assured I won't
> be bothering you all for observations all week long. See what you can
> do!
>
> I have created a web page clearinghouse for data and updates. It is
> crude now but our most excellent webmaster will surely improve it
> tomorrow. It is here:
> 
> http://www.aavso.org/news/bzuma2.shtml
>
> In the last outburst a quasiperiodic oscillations appeared around many
> frequencies, the strongest and most persistent being 0.068 ± 0.002
> days, 0.065+/- 0.003 days and  0.030 ± 0.0004 days.  In our April,
> 2004 quiescent campaign a really interesting dual peaked superflare
> was detected with an amplitude of around 0.8 mag and duration of
> around 30 minutes plus there was lots of interesting quasiperiodic
> behavior.
>
> Lots of fun stuff to look for! Please keep your observations as clean
> as possible. The decline will be rapid and our last campaign data was
> a little noisy. If you need to expose for 5 minutes and/or stack then
> please do so.  And post feedback and updates to aavso-photometry.
> Let's nail down the type of this star!
>
> Good luck and clear skies!
>
> -- 
> Aaron
> --
> New York Times quote: "It was actually happening.
> The nerd was kissing the homecoming queen. Paper was beating scissors;
> scissors were beating rock. Charlie Brown was kicking the football. The
> Red Sox were beating the Yankees for the American League pennant."
>
> _______________________________________________
> Aavso-photometry mailing list
> Aavso-photometry at mira.aavso.org
> http://www.aavso.org/mailman/listinfo/aavso-photometry
>