A far-ultraviolet flare on a Pleiades G dwarf

Details A far-ultraviolet flare on a Pleiades G dwarf A far-ultraviolet flare on a Pleiades G dwarf

Jan 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994apj...420l..33a&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 420, no. 1, p. L33-L36

Astronomy and Astrophysics

Astronomy

8

Carbon, Dwarf Stars, Far Ultraviolet Radiation, G Stars, Pleiades Cluster, Stellar Coronas, Stellar Flares, Stellar Mass Ejection, H Ii Regions, Heao 2, Hubble Space Telescope, Spectrographs, Stellar Rotation, Ultraviolet Astronomy

Scientific paper

The Hubble Space Telescope/Faint Object Spectrograph (HST/FOS) recorded a remarkable transient brightening in the C IV lambda lambda 1548,50 emissions of the rapidly rotating Pleiades G dwarf H II 314. On the one hand the 'flare' might be a rare event luckily observed; on the other hand it might be a bellwether of the coronal heating in very young solar-mass stars. If the latter, flaring provides a natural spin-down mechanism through associated sporadic magnetospheric mass loss.

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