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The double degenerate LP 400-22 revisited
- 1.0337538 - ASÚ 2010 RIV FR eng J - Journal Article
Vennes, Stephane - Kawka, Adela - Vaccaro, T.R. - Silvestri, N.M.
The double degenerate LP 400-22 revisited.
Astronomy & Astrophysics. Roč. 507, č. 3 (2009), s. 1613-1616. ISSN 0004-6361. E-ISSN 1432-0746
R&D Projects: GA AV ČR(CZ) IAA300030908
Grant - others:GA AV ČR(CZ) IAA301630901
Program: IA
Institutional research plan: CEZ:AV0Z10030501
Keywords : white dwarfs * binary stars
Subject RIV: BN - Astronomy, Celestial Mechanics, Astrophysics
Impact factor: 4.179, year: 2009
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.
Permanent Link: http://hdl.handle.net/11104/0181509
Number of the records: 1