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Observations of Mira stars with the IOTA/FLUOR interferometer and comparison with Mira star models

Beckmann, U.; Weigelt, G.; Hofmann, K. -H. +16 more

We present K'-band observations of five Mira stars with the IOTA interferometer. The interferograms were obtained with the FLUOR fiber optics beam combiner, which provides high-accuracy visibility measurements in spite of time-variable atmospheric conditions. For the M-type Miras X Oph, R Aql, RU Her, R Ser, and the C-type Mira V CrB we derived th…