The Keck Aperture Masking Experiment: Spectro-Interferometry of Three Mira Variables from 1.1 to 3.8 μm
Woodruff, H. C; Ireland, Michael; Tuthill, Peter G; Monnier, J. D; Bedding, Timothy Russell; Danchi, W. C; Scholz, M; Townes, C. H; Wood, Peter R
We present results from a spectro-interferometric study of the Miras o Cet, R Leo, and W Hya obtained with the Keck Aperture Masking Experiment from 1998 September to 2002 July. The spectrally dispersed visibility data permit fitting with circularly symmetric brightness profiles such as a simple uniform disk (UD). The stellar angular diameter obtained over up to ∼ 450 spectral channels spanning the region 1.1-3.8 μm is presented. Use of a simple UD brightness model facilitates comparison...[Show more]
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