interferometry - updates

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Astronomers reveal 'largest yellow star ever'

Mar 13, 2014 - 3:31 PM

The yellow hypergiant star HR 5171 A is estimated to be 50 larger than the famous red supergiant Betelgeuse

HR 5171 A. A handout photo released on March 10, 2014 by the European Southern Observatory shows the HR 5171, the brightest star just below the centre of this wide-field image, which is a yellow hypergiant, a very rare type of stars with only a dozen known in our galaxy. ESO/Digitized Sky Survey 2/AFP