The Angular Diameter of delta (2) Lyrae

Details The Angular Diameter of delta (2) Lyrae The Angular Diameter of delta (2) Lyrae

Dec 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998aas...193.2206s&link_type=abstract

American Astronomical Society, 193rd AAS Meeting, #22.06; Bulletin of the American Astronomical Society, Vol. 30, p.1283

Astronomy and Astrophysics

Astronomy

Scientific paper

We have measured the angular diameter of delta (2) Lyrae at 1.25 and 1.65 μm at the Navy Prototype Optical Interferometer. Angular diameter measurements of delta (2) Lyrae have been reported from the Mark III Interferometer at 0.550, 0.712, 0.754, and 0.800 μm and from the Infrared-Optical Telescope Array at 2.20 μm . The variation in the measured angular diameter of delta (2) Lyrae with wavelength is larger than the uncertainties in the measurements. We discuss the interpretation of this diameter data in terms of atmospheric extension and limb darkening.

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