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The detection of a 1.4-h period in RW Ursa Minoris - candidate for shortest recorded orbital period nova

A. Retter·Y. Lipkin
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Abstract

CCD photometry of the classical nova RW UMi during 10 nights in 1995 through an R filter and 14 nights in 1997 through a `clear' filter, with the 1-m Wise telescope yields a periodic modulation in the light curve with the period 0.05912+/-0.00015 d and a semi amplitude of 0.025 mag. We discuss several explanations for the periodicity, and suggest that it is likely to be the orbital period of the binary system or a superhump period. RW UMi is thus a candidate for the classical nova with the shortest known orbital period.

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A. Retter, Y. Lipkin. 2000-11-14. The detection of a 1.4-h period in RW Ursa Minoris - candidate for shortest recorded orbital period nova. https://doi.org/10.1051/0004-6361%3A20000150

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