Please use this identifier to cite or link to this item:
http://hdl.handle.net/2248/6720
Title: | Mid-infrared variations of R Coronae Borealis stars |
Authors: | Kameswara Rao, N Lambert, D. L |
Keywords: | Circumstellar matter Stars: individual: R CrB |
Issue Date: | 11-Mar-2015 |
Publisher: | Oxford University Press on behalf of the Royal Astronomical Society |
Citation: | Monthly Notices of the Royal Astronomical Society, Vol. 447, No. 4, pp. 3664-3677 |
Abstract: | Mid-infrared (IR) photometry of R Coronae Borealis stars obtained from various satellites from Infrared Astronomical Satellite (IRAS) to Wide-field Infrared Survey Explorer (WISE) has been utilized in studying the variations of the circumstellar dust’s contributions to the spectral energy distribution of these stars. The variation of the fractional coverage (R) of dust clouds and their blackbody temperatures (Td) have been used in trying to understand the dust cloud evolution over the three decades spanned by the satellite observations. In particular, it is shown that a prediction R ∝ T 4 d developed in the paper is satisfied, especially by those stars for which a single collection of clouds dominates the IR fluxes. |
Description: | Restricted Access © Royal Astronomical Society http://dx.doi.org/10.1093/mnras/stu2748 |
URI: | http://prints.iiap.res.in/handle/2248/6720 |
ISSN: | 1365-2966 |
Appears in Collections: | IIAP Publications |
Files in This Item:
File | Description | Size | Format | |
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Mid-infrared variations of R Coronae Borealis stars.pdf Restricted Access | Restricted Access | 792.39 kB | Adobe PDF | View/Open Request a copy |
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