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First ultraviolet observations of the transition regions of X-ray bright solar-type stars in the PleiadesResults are reported from A UV study of the transition regions of two X-ray-bright solar-type stars from the Pleiades, in an attempt to extend the main sequence age baseline for the transition-region activity-age relation over more than two orders of magnitude. However, no emission lines were detected from either star; the upper limits to the fluxes are consistent with previously determined saturation levels, but do not help to further constrain evolutionary models.
Document ID
19900028899
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Caillault, J.-P.
(Georgia, University Athens, United States)
Vilhu, O.
(Helsinki, University Observatory, Finland)
Linsky, J. L.
(Joint Institute for Laboratory Astrophysics Boulder, CO, United States)
Date Acquired
August 14, 2013
Publication Date
January 1, 1990
Publication Information
Publication: Advances in Space Research
Volume: 10
Issue: 2 19
ISSN: 0273-1177
Subject Category
Astrophysics
Accession Number
90A15954
Funding Number(s)
CONTRACT_GRANT: NAG5-82
CONTRACT_GRANT: NAG5-974
Distribution Limits
Public
Copyright
Other

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