An astronomer's dozen - Spectroscopy of six double-lined binaries and constraints on detection limits

Details An astronomer's dozen - Spectroscopy of six double-lined binaries and constraints on detection limits An astronomer's dozen - Spectroscopy of six double-lined binaries and constraints on detection limits

Jun 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992mnras.256..575s&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 256, no. 4, June 15, 1992, p. 575-588.

Astronomy and Astrophysics

Astronomy

31

Astronomical Spectroscopy, Binary Stars, Detection, Stellar Spectra, Angular Velocity, Mass Ratios, Orbital Elements, Stellar Orbits, Stellar Rotation

Scientific paper

Seven double-lined binaries have been discerned in a group of 11 previously known binaries with f(m) of less than 0.1 solar masses observed at red wavelengths. On the basis of the detection circumstances of the secondaries in these 11 main-sequence systems, it is estimated that secondaries with mass ratios as small as 0.6 can be detected at red wavelengths with solid-state detectors. The secondary appears to be detectable with an approximately solar-type main-sequence system, if its mass function is greater than 0.05 solar masses.

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