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Stellar X-Ray Activity in the Hyades

Published online by Cambridge University Press:  12 April 2016

Robert A. Stern  and
Marie-Christine Zolcinski
Robert A. Stern
Affiliation:
Jet Propulsion Laboratory, California Institute of Technology
Marie-Christine Zolcinski
Affiliation:
Physics Department, University of New Hampshire

Extract

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Observations of the Hyades cluster with the Einstein Observatory and with IUE have uncovered a high level of coronal x-ray emission (Lx≃1029 era s-1 for solar-type stars) and similarly high fluxes of chromospheric and transition region line fluxes compared to the gun (Stern et al.1981, Zolcinski et al. 1981, 1982). A giant x-ray flare from a spectroscopic binary system in the Hyades has also been reported (Stern, Antiochos and Underwood 1982).

Type
Session I: General Characteristics of Active Dwarfs
Information
International Astronomical Union Colloquium , Volume 71: Activity in Red-Dwarf Stars , 1983 , pp. 131 - 134
Copyright
Copyright © Reidel 1983

References

Pallavicini, R., Golub, L., Rosner, R., Vaiana, G.S., Ayres, T., and Linsky, J.L., Ap. J. 248, 279 (1981).CrossRefGoogle Scholar
Stern, R.A., Antiochos, S.K., and Underwood, J.H., Ap. J. (Letters), submitted (1982).Google Scholar
Stern, R.A., Zolcinski, M.C., Antiochos, S.K., and Underwood, J.H., Ap. J. 249, 647 (1981).Google Scholar
Vaiana, G.S., et al., Ap. J. 245, 163 (1981).Google Scholar
Zolcinski, M.C, Antiochos, S.K., Stern, R.A., and Walker, A.B.C., Ap. J. in press (1981).Google Scholar
Zolcinski, M.C, Kay, L., Antiochos, S., Stern, R., and Walker, A.B.C., 1982, to be published in the procedings of the symposium. “Advances in Ultraviolet Astronomy: Four Years of IUE Research”, held at NASA Goddard Space Flight Center, March 30 – April 1, 1982.Google Scholar