Tyler E. Nordgren et al. 1999 The Astronomical Journal 118 3032 doi:10.1086/301114
Tyler E. Nordgren1, M. E. Germain1, J. A. Benson1, D. Mozurkewich2, J. J. Sudol3,4, N. M. Elias II1, Arsen R. Hajian5, N. M. White6, D. J. Hutter5, K. J. Johnston5, F. S. Gauss5, J. T. Armstrong2, T. A. Pauls2 and L. J Rickard2
Show affiliationsWe have measured the angular diameters of 50 F, G, K, and M giant and supergiant stars using the Navy Prototype Optical Interferometer at wavelengths between 649 and 850 nm and using three baselines with lengths up to 37.5 m. Uniform-disk diameters, obtained from fits to the visibility amplitude, were transformed to limb-darkened diameters through the use of limb-darkening coefficients for plane-parallel stellar atmosphere models. These limb-darkened diameters are compared with those measured with the Mark III optical interferometer and with those computed by the infrared flux method. Sources of random and systematic error in the observations are discussed.
Issue 6 (1999 December)
Received 1998 September 4, accepted for publication 1999 August 18
Tyler E. Nordgren et al. 1999 The Astronomical Journal 118 3032
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