Astronomy & Astrophysics, 279, L33, (1993)
We model the X-ray spectra obtained at different flare phases to determine temperature and emission measure of the flaring plasma. Combining the thus derived X-ray luminosity with the observed decay time scale of about 7800 sec, we estimate the total energy release of the flare in the ROSAT PSPC band (0.1 - 2.4 keV) to be about 4 x 10^36 erg, which is more than a factor of 10^4 greater than the energy release in the strongest solar flares and still more than a factor of 100 greater than that in typical flares on T Tauri stars.
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ROSAT images of the flare on LkHalpha92