Superhumps in the helium dwarf nova KL Draconis

Details Superhumps in the helium dwarf nova KL Draconis Superhumps in the helium dwarf nova KL Draconis

Jul 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002mnras.334...87w&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Volume 334, Issue 1, pp. 87-93.

Astronomy and Astrophysics

Astronomy

16

Accretion, Accretion Discs, Binaries: Close, Stars: Dwarf Novae, Stars: Individual: Kl Dra, Novae, Cataclysmic Variables, Accretion Discs, Binaries: Close, Stars: Dwarf Novae, Stars: Individual: Kl Dra, Novae

Scientific paper

We report on the discovery of a 25.5-min superhump period for the suspected helium dwarf nova system KL Draconis in a high state. The presence of superhumps combined with the previously observed helium spectrum and large-amplitude photometric variations confirm that KL Dra is an AM CVn system similar to CR Bootis, V803 Cen and CP Eridani. We also find a low-state photometric period at 25.0min that we suggest may be the orbital period. With this assumption, we estimate q=0.075, M1=0.76Msolar and M2=0.057Msolar.

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