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Title: Rapid simultaneous observations of Fe II and Balmer emission lines of X OPH
Authors: Ghosh, K. K
Jayakumar, K
Keywords: Early Stars;Balmer Series;H Alpha Line;H Beta Line;Stellar Spectra;B Stars;Iron;O Stars;Stellar Atmospheres
Issue Date: Feb-1988
Publisher: D. Reidel Publishing Co.
Citation: Astrophysics and Space Science, Vol. 141, No. 2, pp. 293 – 301
Abstract: Sudden brightening of Fe II and Balmer (Hβ and Hα) lines of X Oph was observed on 28 - 29 May, 1986. Equivalent width of Fe II and Hβ lines increased by a factor of two and that for Hα line by a factor of four, during the brightening phase of the star. This brightening phenomenon has been explained in the framework of "Coronal Radiative Instability".
ISSN: 0004-640X
Appears in Collections:IIAP Publications

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