Wittkowski, M; Boboltz, D. A.; Ireland, Michael; Karovicova, I; Ohnaka, K; Scholz, Michael; van Wyk, F W; Whitelock, Patricia A; Wood, Peter R; Zijlstra, Albert A
Aims. We investigate the structure and shape of the photospheric and molecular layers of the atmospheres of four Mira variables. Methods. We obtained near-infrared K-band spectro-interferometric observations of the Mira variables R Cnc, X Hya, W Vel, and
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