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Stellar Diameters, Limb Darkening, Extended Atmospheres, and Shells: Observations with the MKIII Interferometer

Published online by Cambridge University Press:  19 July 2016

A. Quirrenbach
A. Quirrenbach*
Affiliation:
NRL/USNO Optical Interferometer Project and USRA

Extract

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The resolution of close binaries and direct measurements of stellar angular diameters were the first achievements of astronomical interferometry (Michelson and Pease 1921). Fringe tracking interferometers are now capable of producing visibility measurements which are sufficiently sensitive and well-calibrated to make more sophisticated measurements possible. Results from current instruments include measurements of limb darkening, of the wavelength-dependence of stellar diameters, and of non-spherical stars, and observations with narrow spectral bands. This paper summarizes recent results from the MkIII interferometer, concentrating on single stars and their envelopes. More detailed descriptions of the instrument and the data reduction procedures are given by Mozurkewich et al. (1991).

Type
Imaging Results: Optical and Infrared
Information
Symposium - International Astronomical Union , Volume 158: Very High Angular Resolution Imaging , 1994 , pp. 407 - 409
Copyright
Copyright © Kluwer 1994 

References

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