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

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

2000-11-14

arxiv.org/abs/astro-ph/0011272v1

Astronomy and Astrophysics

Astrophysics

6 pages, 3 eps. figures, Latex, A&A in press

Scientific paper

10.1051/0004-6361:20000150

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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