Double Star Astronomy with Optical Interferometers

Details Double Star Astronomy with Optical Interferometers Double Star Astronomy with Optical Interferometers

Dec 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995aas...187.4303a&link_type=abstract

American Astronomical Society, 187th AAS Meeting, #43.03; Bulletin of the American Astronomical Society, Vol. 27, p.1340

Astronomy and Astrophysics

Astrophysics

Scientific paper

We review results from optical interferometric observations of spectroscopic binaries obtained over the last several years. Orbits with semi-major axes as small as 3 milliarcseconds have been resolved, the magnitude difference between components has been measured, and component diameters have been even determined in some cases (e.g. for Capella and zeta Aurigae). Important astrophysical information on stellar masses, luminosities, and effective temperatures has been derived from the data and compared to stellar evolution models. We recall one of the most successful ``first-generation'' interferometers, the Mark III interferometer on Mt. Wilson, California, and report on progress with instruments of the next generation. Among the latter is the USNO/NRL Navy Prototype Optical Interfero\-meter, which has seen first fringes in 1994 and will upon completion of its some 450 m long baselines be able to push observations into the realm of interacting binaries.

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