Cool circumstellar matter around nearby main-sequence stars

H. J. Walker; R. D. Wolstencroft

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Publications of the Astronomical Society of the Pacific

Article . 1988 . Peer-reviewed

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https://dx.doi.org/10.1086/132...

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Cool circumstellar matter around nearby main-sequence stars

descriptionPublicationkeyboard_double_arrow_right Article 01 Dec 1988 English Publisher:IOP PublishingJournal:Publications of the Astronomical Society of the Pacific, volume 100, page 1,509 (issn: 0004-6280, eissn: 1538-3873,

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Authors: H. J. Walker; R. D. Wolstencroft;

doi: 10.1086/132357

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-micron/100-micron ratio similar to Vega, Beta Pic, Alpha PsA, and Epsilon 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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