Separation of composite spectra: the spectroscopic detection of an eclipsing binary star

Details Separation of composite spectra: the spectroscopic detection of an eclipsing binary star Separation of composite spectra: the spectroscopic detection of an eclipsing binary star

Mar 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006a%26a...448..283g&link_type=abstract

Astronomy and Astrophysics, Volume 448, Issue 1, March II 2006, pp.283-292

Astronomy and Astrophysics

Astrophysics

38

Techniques: Radial Velocities, Stars: Binaries: Spectroscopic, Stars: Fundamental Parameters, Stars: Individual: Hd 143511, Galaxy: Open Clusters And Associations: Individual: Ngc 6025

Scientific paper

We present an iterative method that allows us to compute the individual spectra and radial velocities of the two stellar components of spectroscopic binaries. We applied this method to HD 143511 and detected the occurrence of eclipses at the conjunction phases. The orbital analysis provides minimum masses with errors of 1%. Absolute masses and radii were derived in two different ways: a) by combining information provided by radial velocities, rotational velocities, and spectral line intensities; and b) using light curves from the ASAS-3 database.

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