Some Spectroscopic Observations of Visual Binaries

Details Some Spectroscopic Observations of Visual Binaries Some Spectroscopic Observations of Visual Binaries

Apr 1971

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1971ap%26ss..11..112s&link_type=abstract

La cohesion entre les procedes d'observation des etoiles doubles visuelles, Proceedings of IAU Colloq. 5, held in Nice, Septembe

Astronomy and Astrophysics

Astrophysics

4

Scientific paper

The use of a coudé spectrograph for securing the high-resolution spectrograms necessary to follow the slow variations of radial velocity exhibited by visual binaries is discussed. Recent observations, using the spectrograph at the coudé focus of the Dominion Astrophysical Observatory's 48-in. reflector, are then presented for the systems ofα UMa,ɛ Hya,β LMi andγ Leo.

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