SIMBAD references

2000ApJ...531L..67Z - Astrophys. J., 531, L67-L69 (2000/March-1)

Analysis of the Hipparcos measurements of HD 10697: a mass determination of a brown dwarf secondary.

ZUCKER S. and MAZEH T.

Abstract (from CDS):

HD 10697 is a nearby main-sequence star around which a planet candidate has recently been discovered by means of radial velocity measurements (Vogt et al.). The stellar orbit has a period of about 3 yr, the secondary minimum mass is 6.35 Jupiter masses (MJ), and the minimum semimajor axis is 0.36 mas. Using the Hipparcos data of HD 10697 together with the spectroscopic elements of Vogt et al., we found a semimajor axis of 2.1±0.7 mas, implying a mass of 38±13 MJ for the unseen companion. We therefore suggest that the secondary of HD 10697 is probably a brown dwarf, orbiting around its parent star at a distance of 2 AU.

Abstract Copyright:

Journal keyword(s): Astrometry - Stars: Planetary Systems - Stars: Individual: Henry Draper Number: HD 10697

Simbad objects: 5

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