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The narrow ultraviolet emission lines of the red dwarf Au Microscopii (dM1.6e)It is pointed out that the red dwarfs are the smallest, coolest, faintest, least massive, but most common of normal main-sequence stars. The dMe (H-alpha emission) subclass of the red dwarfs exhibits the largest median soft X-ray to bolometric luminosity ratio of any group of late-type stars. In connection with the present investigation, attention is given to the first high-dispersion spectra of the chromospheric (6000 K) and higher temperature (up to 100,000 K) emissions of a dMe star, AU Microscopii in the far-ultraviolet (1150-2000 A) and middle-ultraviolet (2000-3000 A) bands accessible to the International Ultraviolet Explorer (IUE). AU Mic is one of the most luminous of lower main-sequence stars in C IV and soft X-ray emission.
Document ID
19830056721
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Ayres, T. R.
(Colorado, University Boulder, CO, United States)
Eriksson, K.
(Astronomiska Observatoriet Uppsala, Sweden)
Linsky, J. L.
(Joint Institute for Laboratory Astrophysics Boulder, CO, United States)
Stencel, R. E.
(NASA Headquarters Washington, DC United States)
Date Acquired
August 11, 2013
Publication Date
July 1, 1983
Publication Information
Publication: Astrophysical Journal, Part 2 - Letters to the Editor
Volume: 270
ISSN: 0004-637X
Subject Category
Astrophysics
Accession Number
83A37939
Funding Number(s)
CONTRACT_GRANT: NGL-06-003-057
CONTRACT_GRANT: NAG5-199
CONTRACT_GRANT: NAG5-82
Distribution Limits
Public
Copyright
Other

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