| Issue |
A&A
Volume 365, Number 3, January IV 2001
|
|
|---|---|---|
| Page(s) | 508 - 513 | |
| Section | Interstellar and circumstellar matter | |
| DOI | https://doi.org/10.1051/0004-6361:20000150 | |
| Published online | 15 January 2001 | |
The detection of a 1.4-h period in RW Ursa Minoris -candidate for shortest recorded orbital period nova
1
Dept. of Physics, Keele University, Keele, Staffordshire ST5 5BG, UK
2
School of Physics and Astronomy and the Wise Observatory, Raymond and Beverly Sackler Faculty of Exact Sciences, Tel-Aviv University, Tel Aviv 69978, Israel
Corresponding author: A. Retter, ar@astro.keele.ac.uk
Received:
9
August
2000
Accepted:
19
October
2000
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 
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.
Key words: individual: RW UMi / novae, cataclysmic variables / binaries: close / accretion, accretion discs / white dwarfs
© ESO, 2001
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