The Luminous Erupting Dwarf Nova CV 1 in the Dense Globular Cluster M15 | Zendy

Michael M. Shara | Zendy; Sasha Hinkley | Zendy; David Zurek | Zendy; C. Knigge | Zendy; Howard E. Bond | Zendy

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The Luminous Erupting Dwarf Nova CV 1 in the Dense Globular Cluster M15

Author(s) -

Michael M. Shara,

Sasha Hinkley,

David Zurek,

C. Knigge,

Howard E. Bond

Publication year - 2004

Publication title -

the astronomical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.61

H-Index - 271

eISSN - 1538-3881

pISSN - 0004-6256

DOI - 10.1086/425631

Subject(s) - globular cluster , dwarf nova , physics , astrophysics , light curve , cataclysmic variable star , hubble space telescope , astronomy , white dwarf , absolute magnitude , blue straggler , cluster (spacecraft) , stars , computer science , programming language

Despite decades-old predictions of the expected presence of dozens ofcataclysmic variables in the cores of globular clusters, the number ofirrefutable, out-bursting candidates is still barely a handful. Usingmulti-wavelength, multi-epoch HST images we have produced outburst andquiescence light curves for the recently discovered large amplitude variableCV1 in the core of the post core-collapse globular cluster M15. The lightcurves and blue colors show that the object is a bona fide dwarf nova, withabsolute magnitude at maximum light rivaling that of the most luminous knowndwarf novae.Comment: 17 pages, 5 figures. Submitted to A

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