Rotational modulation of chromospheric emission in cool giants and hybrid stars

Details Rotational modulation of chromospheric emission in cool giants and hybrid stars Rotational modulation of chromospheric emission in cool giants and hybrid stars

Dec 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984nascp2349..476b&link_type=abstract

In NASA. Goddard Space Flight Center Future of Ultraviolet Astronomy Based on Six Years of IUE Res. p 476-482 (SEE N85-20961 1

Astronomy and Astrophysics

Astronomy

Chromosphere, Giant Stars, Line Spectra, Stellar Rotation, Stellar Spectra, Ultraviolet Spectra, Emission Spectra, Magnesium, Periodic Variations, Velocity

Scientific paper

The authors have used IUE archival data to study temporal variations of
the Mg II h and k emission lines in 8 late-type giants. They present
evidence that the variations are periodic in nature. They argue that the
periodicities can be interpreted in terms of rotation and find that the
four fastest rotators in their sample are "hybrid" stars.

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