X-ray VS He ii λ1640 Å correlation of II Peg

Esendemir, A.; Alev, H. M.

Turkey

Abstract

The HeII λ1640 Å emission feature on the IUE spectra of II Peg has been compared with the observed X-ray flux. The atmospheric activity level is determined by comparing the several diagnostic line intensities with the solar case.

1992 Astrophysics and Space Science
IUE 0