The supercorona of the Alpha Persei cluster

Details The supercorona of the Alpha Persei cluster The supercorona of the Alpha Persei cluster

Dec 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981pazh....7..720s&link_type=abstract

(Pis'ma v Astronomicheskii Zhurnal, vol. 7, Dec. 1981, p. 720-75.) Soviet Astronomy Letters, vol. 7, Nov.-Dec. 1981, p. 398-401.

Astronomy and Astrophysics

Astronomy

A Stars, B Stars, Star Clusters, Star Distribution, Stellar Coronas, Stellar Spectrophotometry, Cosmic Dust, Interstellar Gas, Spectrum Analysis, Stellar Atmospheres, Stellar Evolution, Stellar Magnetic Fields, Stellar Magnitude

Scientific paper

An analysis of kinematic, photometric, and spectroscopic data is used to compile a list of 98 type B-A3 stars which probably form a supercorona around the Alpha Persei cluster. Magnitude limits of 8 for B stars and 9 for A0-A3 stars are established, and a data table for type B stars is presented, serving as criteria to assign these stars to the supercorona. In addition, A0-A3 star data are included, selected by the same criteria as the type B stars. The arrangement of the 98 stars is plotted, and dust and gas are detected in the region. Ionized gas is also present and is probably produced at the distance of the supercorona. Finally, the origin of the supercorona may be related to the fact that the supercorona is embedded in the cluster magnetosphere.

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