Diffraction-limited spatial resolution of circumstellar dust shells at 10 microns

Details Diffraction-limited spatial resolution of circumstellar dust shells at 10 microns Diffraction-limited spatial resolution of circumstellar dust shells at 10 microns

Jan 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984apj...276l..21b&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 276, Jan. 1, 1984, p. L21-L24.

Astronomy and Astrophysics

Astronomy

48

Cosmic Dust, Infrared Astronomy, Stellar Envelopes, Supergiant Stars, Asymmetry, Photodiodes, Point Spread Functions, Spatial Resolution

Scientific paper

A new spatial array instrument has provided diffraction-limited mid-infrared intensity profiles of the type M supergiant stars α Orionis and α Scorpii, both of which are known to exhibit excess 10 μm radiation due to the presence of circumstellar dust shells. In the case of α Ori, there is a marked asymmetry in the dust distribution, with peak intensity of dust emission a distance of 0arcsec.9 from the star.

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