[vsnet-outburst 14275] Re: [vsnet-alert 14581] Re: V1047 Aql outburst

Rod Stubbings stubbo at sympac.com.au
Mon May 14 12:45:18 JST 2012


Dear Taichi,

Thought this message would be of interest regarding an outburst detection in 
2005 on V1047 Aql.

Regards,
Rod.

Rod's outburst observation of V1047 Aql arrived as the clouds here were
starting to break up.... I was able to obtain a 2.75hr times series 
photometry
run (unfiltered) on this star 25/Aug, 14:50-17:35 UT.  The resulting light
curve is an unmistakable superhump profile with 0.25 magnitude humps.

During the run 2 humps were captured - I estimate the period to be close to
0.074 days (107 minutes).  Magnitude is ~15.5R.

cheers,
Greg Bolt



On 25-Aug-05 9:32 PM +0800, Rod Stubbings wrote:
> Outbursts and activity.
>
> AQLFO          050825.430   141  Stu.RASNZ active
> AQLV1047       050825.427   151  Stu.RASNZ outburst
> ARABF          050825.455   141  Stu.RASNZ superoutburst?
> CENMU          050825.421   129  Stu.RASNZ active
> NORHP          050825.420   130  Stu.RASNZ active
> OCTAO          050825.423   144  Stu.RASNZ outburst
> PAVGS          050825.424   152  Stu.RASNZ outburst
> SGRV730        050825.447   148  Stu.RASNZ active
> SGRV1089       050825.433   150  Stu.RASNZ active
> TRAEK          050825.412  <148  Stu.RASNZ faded
>
> V1047 Aql is the second recorded outburst of this star,
> last outburst on 19th April 2004
> AO Oct is a  SU UMa-type dwarf nova, superoutburst?
>
> Regards,
> Rod Stubbings,
> Tetoora Observatory,
> Tetoora Road, Vic, Australia

Rod Stubbings,
Tetoora Observatory,
Tetoora Road,
Vic, Australia.
stubbo at sympac.com.au
http://rodstubbingsobservatory.wordpress.com/



----- Original Message ----- 
From: "Taichi Kato" <tkato at kusastro.kyoto-u.ac.jp>
To: <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>
Sent: Monday, May 14, 2012 12:27 PM
Subject: [vsnet-alert 14581] Re: V1047 Aql outburst


>> Dwarf nova V1047 Aql was detected at around 15.5 mag on May 12.68 (UT)
>
>   According to arXiv:1111.4286, this object is expected to have
> a "short" orbital period (SU UMa-type category).  Past outburst
> records, however, a SS Cyg-type dwarf nova with a cycle length
> of about 30-50 d.
>
>
> -----
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