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Fig. 4

image

Overview of limb-darkened disk measurements of Betelgeuse. The values considering only the continuum of the K band are displayed in black dots, and the K-broadband measurements are in red diamonds. The IRMA measurement comes from Dyck et al. (1992), IOTA from Perrin et al. (2004), the two AMBER high resolution K-band measurements from Ohnaka et al. (2009, 2011), and the AMBER K-medium resolution and broadband are from this work.

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