Circumstellar Dust Shells: Clues to the Evolution of R Coronae Borealis Stars

The existence of extended, cold dust envelopes surrounding R Coronae Borealis (RCB) stars has been known about for over 30 years. RCB stars are an exotic group of extremely hydrogen-deficient, carbon-rich supergiants that are known for their spectacular declines in brightness (up to 8 mags) at irreg...

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Bibliographic Details
Main Author: Montiel, Edward Joseph
Other Authors: Clayton, Jeffrey
Format: Others
Language:en
Published: LSU 2016
Subjects:
Online Access:http://etd.lsu.edu/docs/available/etd-06302016-154343/