SIMBAD references

1998A&AS..133..149M - Astron. Astrophys., Suppl. Ser., 133, 149-162 (1998/December-1)

Mass determination of astrometric binaries with Hipparcos. III. New results for 28 systems.

MARTIN C., MIGNARD F., HARTKOPF W.I. and McALISTER H.A.

Abstract (from CDS):

This paper is the third of a series devoted to the determination of stellar masses from Hipparcos data. This is a continuation of Martin et al. (1997A&AS..122..571M), who introduced the theory and assessed the performance of the method from simulated data, and of a second paper with the first results for 46 systems, (Martin & Mignard, 1998A&A...330..585M). The orbit file maintained by the CHARA group and new publications of orbital elements made the processing of 70 additional candidate systems possible, including 28 of the 145 systems already tested in the previous work. Significant results were obtained on 22 systems, with relative accuracy better than 25% for the masses of 17 binaries. New estimates are also given for 6 systems previously investigated, thanks to reliable values of the magnitude difference from the Hipparcos catalogue (ESA, 1997HIP...C......0E). New orbital elements are proposed for HIP 12623 (12 Persei) from speckle/spectroscopic measurements.
Result. are discussed for each system, alongside the mass-luminosity relation based on Hipparcos magnitudes and distances.

Abstract Copyright:

Journal keyword(s): stars: fundamental parameters - binaries: visual - astrometry

Simbad objects: 76

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