Equivalent widths of atomic lines in sunspot spectra

Please use this identifier to cite or link to this item: http://hdl.handle.net/2248/4945

Title:	Equivalent widths of atomic lines in sunspot spectra
Authors:	Abhyankar, K. D Ramanathan, A. S
Keywords:	Sunspot spectra Atomic Lines
Issue Date:	May-1955
Publisher:	American Astronomical Society
Citation:	The Astrophysical Journal, Vol.l21, No.3, pp. 739 - 749
Abstract:	Equivalent widths of 82 Cr I lines, 70 Fe 1 lines, and 74 Ti I lines are measured in the spectra of four sunspots of average area 55 millionths of the visible hemisphere of the sun. Separate curves of growth for Cr I, Fe t, and Ti I are constructed. Excitation temperatures of 40300 ± 80°, 42000 ± 150°, and 3800° ± 100° are obtained for Cr I, Fe I, and Ti I, respectively.
URI:	http://hdl.handle.net/2248/4945
ISSN:	0004-637X
Appears in Collections:	IIAP Publications

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