HD 199143 and HD 358623: Two Recently Identified Members of the Beta Pictoris Moving Group

Details HD 199143 and HD 358623: Two Recently Identified Members of the Beta Pictoris Moving Group HD 199143 and HD 358623: Two Recently Identified Members of the Beta Pictoris Moving Group

2003-10-16

arxiv.org/abs/astro-ph/0310470v2

Astron.Astrophys. 414 (2004) 175-179

Astronomy and Astrophysics

Astrophysics

8 pages, 5 figures; corrected Ortega (2002) reference

Scientific paper

10.1051/0004-6361:20031598

HD 199143 and HD 358623 (BD-17 6128) are two sets of binary stars which are physically associated and 48 pc from Earth. We present heliocentric radial velocities and high lithium abundances which establish these stars as members of the 12 Myr-old Beta Pictoris Moving Group. We also present mid-IR photometric measurements which show no firm evidence for warm dust around all four stars.

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