New observations of Alpha Orionis with a rotation shearing interferometer

Details New observations of Alpha Orionis with a rotation shearing interferometer New observations of Alpha Orionis with a rotation shearing interferometer

Jun 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986apj...305l..77r&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 305, June 15, 1986, p. L77-L80.

Astronomy and Astrophysics

Astrophysics

10

Binary Stars, Companion Stars, Interferometers, Stellar Envelopes, Stellar Evolution, Supergiant Stars, Light Curve, Light Scattering

Scientific paper

New two-dimensional maps of the visibility of fringes produced by Alpha Orionis have been obtained at several wavelengths using the McMath telescope at Kitt Peak in 1982 February. These maps show evidence for a time evolution of the dust envelope and indicate a possible stellar companion. Comparison with more recent speckle data favors our interpretation.

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