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A Systematic Change with Time in the Size of Betelgeuse

  • Authors: C. H. Townes, E. H. Wishnow, D. D. S. Hale, and B. Walp

TOWNES et al. 2009 The Astrophysical Journal 697 L127.

  • Provider: AAS Journals

Caption: Figure 1.

Diameter of α Ori measured at 11.15 μm by the ISI over 15 years. Values previously published are: 1994, Bester et al. (1996); 1999, 2000, and 2001, Weiner et al. (2003); 2006, Tatebe et al. (2007). Values from 2007 to 2009 are new measurements. The dashed line is a quadratic fit to the data.

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