[Aavso-photometry] RE: [cvnet-outburst] Re: (cba:news) confirming Tonny's period for Var Vul 05

[Tonny Vanmunster]

Hi Lew,
 
Brian's result is based on his own data, not on a combination with mine. I
have not published my observations yet (besides in lightcurve format).
 
Best regards,
Tonny
 
Tonny Vanmunster
CBA Belgium Observatory
http://www.cbabelgium.com <http://www.cbabelgium.com/> 
________________________________________________________
PERANSO : The Final Frontier of Period Analysis Software
http://www.peranso.com <http://www.peranso.com/> 
________________________________________________________
  


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From: cvnet-outburst at yahoogroups.com [mailto:cvnet-outburst at yahoogroups.com]
On Behalf Of Lew Cook
Sent: Friday, August 26, 2005 11:27 PM
To: brian martin
Cc: Tonny Vanmunster; cba-news; cvnet-outburst at yahoogroups.com;
Aavso-Photometry
Subject: [cvnet-outburst] Re: (cba:news) confirming Tonny's period for Var
Vul 05


Is this for the combined sets of data or just yours?


On 8/26/05, brian martin <bemart1 at shaw.ca> wrote:
> Tonny Vanmunster wrote:
> 
> >Dear colleagues,
> >
> >I have just completed a detailed analysis of my Var Vul 05 observations
from
> >last night (2005, Aug 23/24). The data were obtained under medium quality
> >sky conditions at CBA Belgium Observatory, using a 0.35-m f/6.3 telescope
> >and (unfiltered) ST-7XME CCD camera. The session effectively started at
Aug
> >23.85 UT and lasted for 4.4 hours (more images were obtained before and
> >after, but with insufficient S/N level).
> >
> >Instead of stacking the images (which I first did - see my message of
this
> >morning), I now processed the individual images, resulting in a total of
117
> >useful observations. The resulting light curve now shows a clear
superhump
> >profile. I used a number of different period analysis methods in Peranso
> >(ANOVA, Lomb-Scargle, PDM, CLEANest) and they all show a strong signal at
> >0.058 +/- 0.003 d. The corresponding phase diagram shows a convincing
> >superhump profile. Hence, it is safe to conclude that this object is a
new
> >UGSU-type dwarf nova (and maybe even an UGWZ-type dwarf nova). The
superhump
> >amplitude is about 0.3 mag.
> >
> >I have published the light curve, period analysis diagram and phase
diagram
> >on my web site (www.cbabelgium.com) for further reference.
> >
> >Follow-up time-resolved CCD photometry is strongly encouraged.
> >
> >Best regards,
> >Tonny Vanmunster
> >
> >Tonny Vanmunster
> >CBA Belgium Observatory
> >http://www.cbabelgium.com
> >________________________________________________________
> >PERANSO : The Final Frontier of Period Analysis Software
> >http://www.peranso.com
> >________________________________________________________
> >
> >
> >
> >
> >____________________________________________________________
> >Center for Backyard Astrophysics (CBA) mailing lists
> >http://cba.phys.columbia.edu/communications/mailing-lists/
> >
> >
> >
> 
> Dear colleagues,
> 
> I am pleased to verify Tonny's period of 0.058 +/- 0.003 d for Var Vul 05.
5 hours of photmetry last night reveal a period of 0.056 +/-0.003 d which is
consistent with that of Tonny's measurement.  I too used Peranso for time
series analysis.
> 
> Regards
> 
> Brian Martin, CBA Alberta
> 
> 
> ____________________________________________________________
> Center for Backyard Astrophysics (CBA) mailing lists
> http://cba.phys.columbia.edu/communications/mailing-lists/
> 


-- 
Regards, Lew
CBA Concord
http://www.lewcook.com/cbacal.htm


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