Infrared multiplex diameters of the inner part of VY CMa

Details Infrared multiplex diameters of the inner part of VY CMa Infrared multiplex diameters of the inner part of VY CMa

Aug 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985a%26a...149l...1b&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 149, no. 1, Aug. 1985, p. L1-L3.

Astronomy and Astrophysics

Astrophysics

9

Accretion Disks, Infrared Stars, Stellar Envelopes, Stellar Models, Stellar Structure, Diameters, Image Processing, Multiplexing, Stellar Evolution, Thermal Emission

Scientific paper

Infrared observations of VY CMa at the 3.60 m ESO telescope with the multiplex coding technique show a diameter which decreases from 1 to 2.2 microns and then increases from 2.2 to 4.8 microns. These results are interpreted by a model of a halo of scattered radiation from a central star and thermal emission from a disk heated by incident radiation from the halo.

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