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COOL CIRCUMSTELLAR MATTER AROUND NEARBY MAIN-SEQUENCE STARS

H. J. WALKER and R. D. WOLSTENCROFT
Publications of the Astronomical Society of the Pacific
Vol. 100, No. 634 (December 1988), pp. 1509-1521
Stable URL: http://www.jstor.org/stable/40679253
Page Count: 13
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
COOL CIRCUMSTELLAR MATTER AROUND NEARBY MAIN-SEQUENCE STARS
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Abstract

Stars are presented which have characteristics similar to Vega and other main-sequence stars with cool dust disks, based on the IRAS Point Source Catalog fluxes. The objects are selected to have a 60 μm/100 μm ratio similar to Vega, ß Pic, α PsA, and ∈ Eri, and they are also required to show evidence of extension in the IRAS Working Survey Database. The fluxes are modeled using a blackbody energy distribution. The temperatures derived range from 50 to 650 K. The diameters of the dust disks observed by IRAS are estimated.

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