[vsnet-alert 22817] Re: ASASSN-18aan: orbital and superhump periods (SU UMa star at Porb=0.1495 d)

Keisuke Isogai isogai at kusastro.kyoto-u.ac.jp
Thu Dec 6 14:30:24 JST 2018


> The superhump period, as determined from observations
> up to now, is 0.1726(2) d, 15% longer than the orbital one!
The object has shown the long eclipses, so the light curve should be contaminated
by orbital modulations. I subtracted its averaged orbital profile from the light curve
and obtained the corrected superhump period of 0.1655 (4) d. This value is also
enough large.



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