Observations of ultraviolet radiation scattered by dust around Alpha Orionis

Details Observations of ultraviolet radiation scattered by dust around Alpha Orionis Observations of ultraviolet radiation scattered by dust around Alpha Orionis

Mar 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980mnras.190..825m&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 190, Mar. 1980, p. 825-832.

Astronomy and Astrophysics

Astronomy

11

Cosmic Dust, Interstellar Matter, Ultraviolet Astronomy, Ultraviolet Radiation, Albedo, Light Scattering, Monte Carlo Method, Radiative Transfer, Sky Surveys (Astronomy), Stellar Envelopes, Telescopes

Scientific paper

Ultraviolet radiation scattered by dust around Alpha Orionis has been detected by the S2/68 ultraviolet sky-survey telescope in four wave-bands centred on 2740, 2350, 1950 and 1550 A. The scattering properties of the dust have been obtained by comparing the observations with the predictions of a multiple scattering model based on the Monte Carlo method. The observations are best represented by grains with a moderately forward-throwing phase function and a low albedo shortward of 2500 A.

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