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arxiv: astro-ph/0411158 · v2 · submitted 2004-11-05 · 🌌 astro-ph

A New Cataclysmic Variable in Hercules

A. Price , B. Gary , J. Bedient , L. Cook , M. Templeton , C. Pullen , D. Starkey , T. Crawford
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R. Corlan S. Dvorak K. Graham R. Huziak R. James D. Messier N. Quinn D. Boyd J. Blackwell G. Walker M. Mattei D. Rodriguez M. Simonsen A. Henden T. Vanmunster P. Garnavich J. Pittichova T. Matheson P. Challis R. P. Kirshner E. Adams T. Harrison M. D. Koppelman G. E. Sarty D. E. Mais
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classification 🌌 astro-ph
keywords outburstperioddwarfherculesnovaevariableamplitudearchival
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We present time-series observations, spectra and archival outburst data of a newly-discovered variable star in Hercules, Var Her 04. Its orbital period, mass ratio, and outburst amplitude resemble those of the UGWZ-type subclass of UGSU dwarf novae. However, its supercycle and outburst light curve defy classification as a clear UGWZ. Var Her 04 is most similar to the small group of possible hydrogen-burning ``period bouncers'', dwarf novae that have passed beyond the period minimum and returned.

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