Rapid simultaneous observations of Fe II and Balmer emission lines of X OPH

Please use this identifier to cite or link to this item: http://hdl.handle.net/2248/1639

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".
URI:	http://hdl.handle.net/2248/1639
ISSN:	0004-640X
Appears in Collections:	IIAP Publications

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