Hostname: page-component-745bb68f8f-s22k5 Total loading time: 0 Render date: 2025-01-31T08:43:18.523Z Has data issue: false hasContentIssue false
  • English
  • Français

Far-infrared Excesses in Classical Be Stars

Published online by Cambridge University Press:  12 April 2016

A.S. Miroshnichenko  and
K.S. Bjorkman
A.S. Miroshnichenko
Affiliation:
Ritter Observatory, University of Toledo, Dept. of Physics and Astronomy, Toledo, OH 43606, USA
K.S. Bjorkman
Affiliation:
Ritter Observatory, University of Toledo, Dept. of Physics and Astronomy, Toledo, OH 43606, USA

Abstract

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

A sample of Be stars with large far-infrared excesses detected by IRAS is selected and their high-resolution IRAS images are examined. The far-infrared emission from most of them is marginally extended and is associated with the optical sources. Modeling of the stars’ spectral energy distributions allows us to rule out the infrared cirrus nature of the excesses. We suggest that the excesses are more likely due to circumstellar dust, possibly formed early in the evolution of the star.

Type
6. Disks
Information
International Astronomical Union Colloquium , Volume 175: The Be Phenomenon in Early-Type Stars , 2000 , pp. 484 - 487
Copyright
Copyright © Astronomical Society of the Pacific 2000

References

Coté, J., Waters, L.B.F.M. 1986, A&A 176, 93 Google Scholar
Coulson, I.M., Walther, D.M., Dent, W.R.F. 1998, MNRAS 296, 934 Google Scholar
ESA 1997, The Hipparcos and Tycho Catalogues, ESA SP-1200Google Scholar
Gaustad, J.E., van Buren, D. 1993, PASP 105, 1127 Google Scholar
Ivezić, Ž., Nenkova, M., Elitzur, M. 1999, User Manual for DUSTY, University of Kentucky Internal Report, at http://www.pa.uky.edu/~moshe/dusty Google Scholar
Jaschek, C., Egret, D. 1982, in Be Stars, Proc. IAU Symposium 98, ed. Jashek, M. & Groth, H.G., 261 Google Scholar
Miroshnichenko, A.S., et al. 1999, MNRAS 302, 612 Google Scholar
Shaerer, D., et al. 1992, A&AS 102, 339 Google Scholar
Thé, P.S., de Winter, D., Pérez, M.R. 1994, A&AS 104, 315 Google Scholar