White Dwarf–Red Dwarf Systems Resolved with theHubble Space Telescope. I. First Results | Zendy

Jay Farihi | Zendy; D. W. Hoard | Zendy; Stefanie Wachter | Zendy

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White Dwarf–Red Dwarf Systems Resolved with theHubble Space Telescope. I. First Results

Author(s) -

Jay Farihi,

D. W. Hoard,

Stefanie Wachter

Publication year - 2006

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/504683

Subject(s) - white dwarf , hubble space telescope , physics , astrophysics , astronomy , stars

First results are presented for a Hubble Space Telescope Advanced Camera for Surveys snapshot study of white dwarfs with likely red dwarf companions. Of 48 targets observed and analyzed so far, 27 are totally or partially resolved into two or more components, while an additional 15 systems are almost certainly unresolved binaries. These results provide the first direct empirical evidence for a bimodal distribution of orbital separations among binary systems containing at least one white dwarf

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