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The Dwarf Novae of Shortest Period

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Thorstensen, John R
Patterson, Joseph R
Kemp, Jonathan
Vennes, Stephane

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University of Chicago Press

Abstract

We present observations of the dwarf novae GW Lib, V844 Her, and DI UMa. Radial velocities of Hα yield orbital periods of 0.05332 ± 0.00002 days ( = 76.78 minutes) for GW Lib and 0.054643 ± 0.000007 days ( = 78.69 minutes) for V844 Her. Recently, the o

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Publications of the Astronomical Society of the Pacific

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