Hs 2237+8154: a new pre-cv just above the period gap

B T Gansicke,S Araujo Betancor,H J Hagen,Emilios Theofanus Harlaftis,Spyridon Kitsionas,Stefan Dreizler,D Engels

Revista Mexicana De Astronomia Y Astrofisica（2004）

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Abstract

We report follow-up observations of the new pre-cataclysmic variable HS 2237+8154, identified from the Hamburg Quasar Survey. The orbital period derived from ellipsoidal modulation observed in the iR-band as well as from the Hα radial velocity variation is orb = 178.10 ± 0.08 min. We briefly discuss the evolutionary state of this system.

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Key words

cataclysmic variable,radial velocity

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