Simultaneous least-squares adjustment of visual and spectroscopic observations of binary stars

Details Simultaneous least-squares adjustment of visual and spectroscopic observations of binary stars Simultaneous least-squares adjustment of visual and spectroscopic observations of binary stars

Aug 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998a%26as..131..377p&link_type=abstract

Astronomy and Astrophysics Supplement, v.131, p.377-382

Astronomy and Astrophysics

Astrophysics

31

Binaries: Spectroscopic, Visual, Methods: Data Analysis, Numerical

Scientific paper

Double-lined spectroscopic visual binaries allow the hypothesis-free estimation of their individual masses and of their distances. Instead of two independent determinations of some orbital parameters, we propose a simultaneous adjustment of visual and spectroscopic observations. This paper presents the different steps of such a simultaneous adjustment: (a) to transform the problem into a quest for the global minimum of a nonlinear function; (b) to obtain that minimum using simulated annealing and the Broyden-Fletcher-Goldstrab-Shanno local search method.

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