Spectral classification of close binaries (Ginestet+, 2002)

Details Spectral classification of close binaries (Ginestet+, 2002) Spectral classification of close binaries (Ginestet+, 2002)

Jan 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003ycat..21430513g&link_type=abstract

VizieR On-line Data Catalog: J/ApJS/143/513. Originally published in: 2002ApJS..143..513G

Computer Science

Stars: Double And Multiple, Binaries: Spectroscopic, Photometry: Ubv, Parallaxes: Spectroscopic

Scientific paper

A sample of 135 stars with composite spectra has been observed in the near-UV spectral region with the Aurelie spectrograph at the Observatoire de Haute-Provence. Using the spectral classifications of the cool components previously determined with near infrared spectra, we obtained reliable spectral types of the hot components of the sample systems. The hot components were isolated by the subtraction method using MK standards as surrogates of the cool components. We also derived the visual magnitude differences between the components using Willstrop's normalized stellar flux ratios. We propose a photometric model for each of these systems on the basis of our spectroscopic data and the Hipparcos data.
(2 data files).

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