[vsnet-alert 24249] Re: SDSS J124058.03-015919.2: early superhump

Taichi Kato tkato at kusastro.kyoto-u.ac.jp
Fri May 1 12:16:23 JST 2020


Re: SDSS J124058.03-015919.2: early superhump

> Kiyota-san has reported the last night observation. 
> The light curve shows early superhump-like (double-peaked)
> modulations. The period of 0.0261(1) d is good agreement 
> with the orbital period of 0.025941(1) d (Roelofs et al. 2005).

   One more night.  Superhump periods in AM CVn stars
differ from orbital periods only by 1% or so, so they
still cannot be distinguished by the present observations.



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