Astronomy and Astrophysics – Astronomy
Scientific paper
Nov 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986aj.....92.1150f&link_type=abstract
Astronomical Journal (ISSN 0004-6256), vol. 92, Nov. 1986, p. 1150-1154.
Astronomy and Astrophysics
Astronomy
50
Chromosphere, Stellar Activity, Variable Stars, Emission Spectra, Far Ultraviolet Radiation, Light Curve, Pleiades Cluster, Stellar Rotation, Ubv Spectra
Scientific paper
It is presently noted that the HD 82558 chromospherically active star is a young and rapidly rotating K2 V single BY Draconis variable with very strong far-UV emission features and an H-alpha line filled to the continuum level by emission. HD 82558 has constant velocity and is not a member of the Hyades Supercluster. Its light curve behavior, which appears to have been stable for several hundred rotation cycles, is reminiscent of that of the young, rapidly rotating, single K V variable H II 1883 in the Pleiades; this stability may be characteristic of young, single, chromospherically active stars.
Africano John L.
Bopp Bernard William
Fekel Francis C.
Goodrich Bret D.
Palmer L. H.
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