Far-infrared observations of chromospherically active stars in stellar clusters.

Details Far-infrared observations of chromospherically active stars in stellar clusters. Far-infrared observations of chromospherically active stars in stellar clusters.

Jan 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995a%26a...293...64t&link_type=abstract

Astronomy and Astrophysics 293, 64-68 (1995)

Astronomy and Astrophysics

Astrophysics

2

Stars: Activity, Stars: Chromospheres, Infrared: Stars, Open Clusters And Associations

Scientific paper

Using the IRAS database we have searched for far-infrared emission from a large number of chromospherically active dwarf stars (including flare stars) in stellar clusters of different ages and distances. Only stars in the nearest clusters (<50pc) were detected by IRAS. Their 12μm luminosity (L_12_) is in the range 0.2-5x10^31^erg/s. We find that the detected emission is photospheric in origin and that there is no correlation of flux either with age or with stellar-activity levels. The cluster stars' far-infrared radiation characteristics are very similar to those of solar-vicinity field stars of similar spectral type and chromospheric activity.

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