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The double degenerate LP 400-22 revisited
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SYSNO ASEP 0337538 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title The double degenerate LP 400-22 revisited Author(s) Vennes, Stephane (ASU-R) ORCID, RID
Kawka, Adela (ASU-R) ORCID, RID
Vaccaro, T.R. (US)
Silvestri, N.M. (US)Source Title Astronomy & Astrophysics. - : EDP Sciences - ISSN 0004-6361
Roč. 507, č. 3 (2009), s. 1613-1616Number of pages 4 s. Language eng - English Country FR - France Keywords white dwarfs ; binary stars Subject RIV BN - Astronomy, Celestial Mechanics, Astrophysics R&D Projects IAA300030908 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) CEZ AV0Z10030501 - ASU-R (2005-2011) UT WOS 000272180800038 DOI 10.1051/0004-6361/200912955 Annotation We re-examine the properties of the high-velocity and extremely low-mass white dwarf LP400-22 and its close companion. We determined a binary period of P=1.01016 days and re-appraised the mass and cooling age of the white dwarf using low-metallicity models appropriate for an old halo member. Workplace Astronomical Institute Contact Radka Svašková, bibl@asu.cas.cz, Tel.: 323 620 326 Year of Publishing 2010
Number of the records: 1