THE BROWN DWARF KINEMATICS PROJECT (BDKP). III. PARALLAXES FOR 70 ULTRACOOL DWARFS

We report parallax measurements for 70 ultracool dwarfs (UCDs) including 11 late-M, 32 L, and 27 T dwarfs. In this sample, 14 M and L dwarfs exhibit low surface gravity features, 6 are close binary systems, and 2 are metal-poor subdwarfs. We combined our new measurements with 114 previously publishe...

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Veröffentlicht in:	The Astrophysical journal 2012-06, Vol.752 (1), p.1-22
Hauptverfasser:	Faherty, Jacqueline K, Burgasser, Adam J, Walter, Frederick M, van der Bliek, Nicole, Shara, Michael M, Cruz, Kelle L, West, Andrew A, Vrba, Frederick J, Anglada-Escude, Guillem
Format:	Artikel
Sprache:	eng
Schlagworte:	ASTRONOMY ASTROPHYSICS ASTROPHYSICS, COSMOLOGY AND ASTRONOMY Brightening Brown dwarf stars Clouds COLOR Color-magnitude diagram COMPARATIVE EVALUATIONS CORRELATIONS COSMIC DUST DIAGRAMS Dust DWARF STARS GRAVITATION INTERMEDIATE INFRARED RADIATION MASS METALS OPACITY PHOTOMETRY POLYNOMIALS Spectra SURFACES VISIBLE RADIATION
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