SIMBAD references

2002MNRAS.335.1005R - Mon. Not. R. Astron. Soc., 335, 1005-1016 (2002/October-1)

A search for 6 Li in stars with planets.

REDDY B.E., LAMBERT D.L., LAWS C., GONZALEZ G. and COVEY K.

Abstract (from CDS):

Using very high-resolution (R ∼ 125000) and high-quality (signal-to-noise ratio ≥ 350) spectra, we have searched for 6 Li in stars hosting extrasolar planets. From detailed profile-fitting of the Lii resonance line at 6707.7 Å, we find no significant amount of 6 Li relative to 7 Li for any of eight planet-bearing stars ( 6 Li/ 7 Li ≤ 0.0-0.03) with strong Lii lines. In particular, we do not confirm the presence of 6 Li with 6 Li/ 7 Li = 0.13 reported by (Israelian et al.) for HD 82943, a star with two known planets. Several of the eight stars plus HD 219542 A, the planetless primary of a binary, have been identified in the literature as possible recipients of accreted terrestrial material. For all of the planet-hosting stars and an additional five planetless stars, we find no 6 Li.

Abstract Copyright: RAS

Journal keyword(s): stars: abundances - stars: atmospheres - planetary systems

Simbad objects: 16

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2019.10.16-07:54:05

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