Physics
Scientific paper
Dec 1974
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1974natur.252..659j&link_type=abstract
Nature, Volume 252, Issue 5485, pp. 659-661 (1974).
Physics
Scientific paper
KNOWN UV Ceti flare stars are all located within 20 pc of the Sun, and their distribution seems to be isotropic. They are cool, low-luminosity objects with masses less than 0.5 Msolar. Both optical1 and radio2 radiations have been observed during flare events. X rays have also been predicted3,4, but no positive observations have yet been reported. We present here new estimates of X-ray emission, based on the ratio between X-ray and radio flux from solar bursts. It is anticipated that the intensities of the X-ray flares will be more than 10 photons cm-2s-1 within the range of sensitivities of present satellite detectors (approximately 0.5-0.01 photon cm-2 s-1 for a flare duration of 3 min in the energy range 1-10 keV).
Jo Crannell Carol
McClintock Jeffrey E.
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