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Observations of 40-70 micron bands of ice in IRAS 09371 + 1212 and other starsIRAS 09371 + 1212 is still an absolutely unique object. This M giant star, with circumstellar CO and a spectacular bipolar nebula, displays unique IRAS FIR colors which had been attributed to strong emission in the 40-70-micron bands of ice, as subsequently supported by the observation of a strong 3.1-micron absorption band. The results of the KAO observations have confirmed its unusual nature: the far-infrared bands of ice are by far the strongest known. Its dust temperature, 50 K or less, is by far the lowest known for a late-type circumstellar envelope.
Document ID
19900048289
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Omont, A. (Grenoble Univ. France)
Forveille, T. (Grenoble Observatoire, France)
Moseley, S. H. (Grenoble Univ. France)
Glaccum, W. J. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Harvey, P. M. (Texas, University Austin, United States)
Likkel, L. (California, University Los Angeles, United States)
Loewenstein, R. F. (Yerkes Observatory Williams Bay, WI, United States)
Lisse, C. M. (NASA Goddard Space Flight Center; STX, Inc. Greenbelt, MD, United States)
Date Acquired
August 14, 2013
Publication Date
May 20, 1990
Publication Information
Publication: Astrophysical Journal, Part 2 - Letters
Volume: 355
ISSN: 0004-637X
Subject Category
ASTROPHYSICS
Distribution Limits
Public
Copyright
Other