[vsnet-alert 20770] Re: [vsnet-outburst 20568] CSS J062450.1+503114: new SU UMa-type dwarf nova

Tonny Vanmunster tonny.vanmunster at gmail.com
Mon Mar 13 12:05:07 JST 2017

Dear colleagues,
I have just concluded the analysis of my 2017, Mar 12/13 unfiltered CCD
photometry session of CSS J062450.1+503114. Observations were made at CBA
Belgium Observatory,  using a 0.40-m /f10.0 telescope and STT-3200ME CCD
camera, under a clear sky with strong moonlight. The resulting light curve
clearly shows the presence of superhumps with an amplitude of 0.35 mag. A
period analysis using the ANOVA, PDM and Lomb-Scargle methods (Peranso),
yields a combined preliminary superhump period of 0.0791 +/- 0.0002d, hence
establishing this object (independent from below observations) as a new SU
UMa-type dwarf nova. The object was at mag 14.7 (unfiltered).

Observations will be sent to CBA and VSNET for further analysis.

Best regards

Tonny Vanmunster
CBABelgium Observatory

-----Original Message-----
From: vsnet-outburst
[mailto:vsnet-outburst-bounces at ooruri.kusastro.kyoto-u.ac.jp] On Behalf Of
Taichi Kato
Sent: maandag 13 maart 2017 3:05
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Subject: [vsnet-outburst 20568] CSS J062450.1+503114: new SU UMa-type dwarf

CSS J062450.1+503114: new SU UMa-type dwarf nova

   Tamas Tordai has reported observations.  This object shows superhumps
(0.3 mag) with a period of 0.0760(5) d.

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