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New Eclipsing Cataclysmic Variable Candidate in the Period Gap
2018
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We report the discovery of a blue eclipsing variable Dan V1 in Sagittarius with the orbital period P=0.094277 days (2.2626 hours). The object is also an UV source, indicating the presence of a white dwarf in the binary system. We consider two possibilities: a cataclysmic (nova-like) variable and an eclipsing hot subdwarf of the HW Vir type. Our analysis favors the first (CV) scenario. If confirmed, Dan V1 is a very rare eclipsing cataclysmic variable in the period gap.
doi:10.24411/2221-0474-2018-00005
fatcat:6tdqh7g4v5gldb6elijdzyp6ze