[vsnet-alert 14603] Re: HW Boo outburst

[Gary Poyner]

> I can confirm Eric's outburst detection of HW Boo...
> 
> May 13.181   17.33V
>     14.308   16.27V
>     17.019   14.72V
>

This should be May 17.193   14.72V

Sorry for the typo.

Gary

---------------------------------------------------------------------
Gary Poyner FRAS
www.variablestars.co.uk


> -----Original Message-----
> From: vsnet-alert-bounces at ooruri.kusastro.kyoto-u.ac.jp [mailto:vsnet-
> alert-bounces at ooruri.kusastro.kyoto-u.ac.jp] On Behalf Of Gary Poyner
> Sent: 18 May 2012 11:49
> To: 'Taichi Kato'; suuma at yahoogroups.com;
> variable_star_forum at yahoogroups.com; vsnet-alert at ooruri.kusastro.kyoto-
> u.ac.jp; vsnet-alert at yahoogroups.com; vsnet-campaign-
> dn at ooruri.kusastro.kyoto-u.ac.jp; vsnet-outburst at ooruri.kusastro.kyoto-
> u.ac.jp; vsnet-outburst at yahoogroups.com
> Subject: [vsnet-alert 14602] Re: HW Boo outburst
> 
> > HW Boo outburst
> >
> >    This likely SU UMa-type dwarf nova (=HS1340+1524) is reported to be
> > in outburst.  Porb = 92.66m (A&A 455, 659).
> 
> >>   According to Mike Simonsen, this is a false detection.
> 
> 
> 
> I can confirm Eric's outburst detection of HW Boo...
> 
> May 13.181   17.33V
>     14.308   16.27V
>     17.019   14.72V
> 
> AAVSO-net SRO-50 telescope.
> 
> The light curve for HW Boo resembles that of an IP rather than a UGSU
> (quite like DO Dra in fact).  Very short duration outbursts and
> a highly variable quiescence.  The Porb is rather short, but it's
> not unique for an IP to have a short orbital period.
> 
> regards,
> Gary
> 
> 
> ---------------------------------------------------------------------
> Gary Poyner FRAS
> www.variablestars.co.uk
> 
> 
> > -----Original Message-----
> > From: vsnet-alert-bounces at ooruri.kusastro.kyoto-u.ac.jp [mailto:vsnet-
> > alert-bounces at ooruri.kusastro.kyoto-u.ac.jp] On Behalf Of Taichi Kato
> > Sent: 18 May 2012 01:21
> > To: suuma at yahoogroups.com; variable_star_forum at yahoogroups.com; vsnet-
> > alert at ooruri.kusastro.kyoto-u.ac.jp; vsnet-alert at yahoogroups.com; vsnet-
> > campaign-dn at ooruri.kusastro.kyoto-u.ac.jp; vsnet-
> > outburst at ooruri.kusastro.kyoto-u.ac.jp; vsnet-outburst at yahoogroups.com
> > Subject: [vsnet-alert 14600] HW Boo outburst
> >
> > HW Boo outburst
> >
> >    This likely SU UMa-type dwarf nova (=HS1340+1524) is reported to be
> > in outburst.  Porb = 92.66m (A&A 455, 659).
> >
> >   YYYYMMDD(UT)   mag  observer
> >   20120511.234  <149  (Mike Simonsen)
> >   20120511.949  <154  (Gary Poyner)
> >   20120512.965  <154  (Gary Poyner)
> >   20120514.279  <149  (Mike Simonsen)
> >   20120515.212  <144  (Mike Simonsen)
> >   20120515.951  <154  (Gary Poyner)
> >   20120516.990  145C  (Eric Morillon)
> >   20120517.165  <151  (Mike Simonsen)