[vsnet-outburst 27180] Re: TCP J21551059+3337252: new SU UMa-type dwarf nova

[反保雄介]

We, Kyoto Univ. Obs. also have just observed TCP J21551059+3337252 on 5th
May, showing clear superhumps with the amplitude of 0.15 mag as well.
Combining the data from Vanmunster on 3rd & 4th May, I obtained 0.06235(5)
d as a superhump period, allowing other aliases.

More observations are encouraged to establish the superhump period and
follow the evolution of the outburst.

Best,
Yusuke

2021年5月6日(木) 4:13 tonny.vanmunster at gmail.com via vsnet-outburst <
vsnet-outburst at ooruri.kusastro.kyoto-u.ac.jp>:

> Dear colleagues,
>
> I have just finished analysing my unfiltered CCD observations of TCP
> J21551059+3337252, obtained on 2021, May 04/05 at CBA Extremadura
> Observatory, using a 0.40-m f/5.1 telescope and SX-46 CCD camera under
> clear
> skies.
>
> Regular superhumps with an amplitude of 0.10 mag are clearly visible in the
> resulting light curve, establishing TCP J21551059+3337252 as a new SU
> UMa-type dwarf nova. A period analysis using the ANOVA, Lomb-Scargle,
> Generalized-Lomb-Scargle and PDM methods (Peranso 3.0), yields a combined
> superhump period of 0.0734 +/- 0.0012d. The object was at mag V = 14.5 on
> May 05th.
>
> I will send my observations to AAVSO, CBA and VSNET for further analysis.
>
> Best regards
> Tonny
>
> ---
>
> Tonny Vanmunster
> CBA Belgium Observatory
> CBA Extremadura Observatory
> http://www.cbabelgium.com
>
> PERANSO : The Light Curve and Period Analysis Software
> http://www.peranso.com
>


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京都大学大学院理学研究科宇宙物理学教室 D1
Kyoto University, Graduate School of Department of Astronomy, PhD candidate
反保 雄介 Yusuke TAMPO
MAIL: tampo at kusastro.kyoto-u.ac.jp

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