27 Apr
2022
27 Apr
'22
6:32 a.m.
OR And: orbital and superhump periods
From TESS data. Porb=0.125247(2) d (0.30 mag, nearly sinusoidal). P(SH)=0.135726(7) d (0.13 mag, asymmetric). Beat period is also apparent.
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Taichi Kato