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Middle-Infrared Observations of DENIS J0255-4700

Published online by Cambridge University Press:  26 May 2016

Michelle Creech-Eakman ,
Eugene Serabyn ,
Glenn S. Orton  and
Thomas L. Hayward
Michelle Creech-Eakman
Affiliation:
Jet Propulsion Laboratory, MS 171–113, 4800 Oak Grove Dr., Pasadena, CA 91109
Eugene Serabyn
Affiliation:
Jet Propulsion Laboratory, MS 171–113, 4800 Oak Grove Dr., Pasadena, CA 91109
Glenn S. Orton
Affiliation:
Jet Propulsion Laboratory, MS 169–237, 4800 Oak Grove Dr., Pasadena, CA 91109
Thomas L. Hayward
Affiliation:
Gemini Observatory, AURA/Casilla 603, La Serena, Chile

Abstract

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The first infrared photometry of an L-type brown dwarf, DENIS J0255-4700, includes N-band and narrow-band 8.8-μm detections, with upper limits in narrow-band 10.3 and 11.7 μm. Model-independent blackbody fits of existing data yield Teff = 1250 – 1750 K, with models favoring the lower end of that range. Dusty atmospheric models by Allard, Burrows and Marley which match the near-infrared photometry are not completely consistent with our mid-infrared photometry.

Type
Part 7. Atmospheres and Internal Structure
Information
Symposium - International Astronomical Union , Volume 211: Brown Dwarfs , 2003 , pp. 421 - 422
Copyright
Copyright © Astronomical Society of the Pacific 2001 

References

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