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      Completeness of the Nearby White Dwarf Sample: Let Us Count the Ways

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          Abstract

          We have recently extended our ongoing survey of the local white dwarf population, effectively doubling the sample volume. Based upon the latest distance determinations, Holberg et al. (2016) estimated the present 20 pc and 25 pc samples were about 86 and 68 percent complete, respectively. Here we examine how the completeness of the 25 pc sample depends upon other observables such as apparent magnitude, proper motion, photometric color index, etc. The results may provide additional clues to why Sirius-Like systems are underrepresented in the extended 25 pc sample and how additional nearby single white dwarf stars may be found.

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          Author and article information

          Journal
          2016-10-20
          Article
          1610.06600

          http://arxiv.org/licenses/nonexclusive-distrib/1.0/

          Custom metadata
          4 pages, 4 figures, to be published in the Astronomical Society of the Pacific Conference Series, "Proceedings of the 16th European White Dwarf Star Workshop," Warwick, England, 23-30 July 2016
          astro-ph.SR

          Solar & Stellar astrophysics

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