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THE ROTATIONAL TEMPERATURE OF THE FeH MOLECULE IN A SUNSPOT
JOHN S. MULCHAEY
Publications of the Astronomical Society of the Pacific
Vol. 101, No. 636 (February 1989), pp. 211-214
Published by: Astronomical Society of the Pacific
Stable URL: http://www.jstor.org/stable/40679297
Page Count: 4
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A search was conducted for seven bands of the infrared system of the iron hydroxide molecule in sunspot spectra, with three bands successfully identified. Equivalent widths were measured for the strongest band and the rotational temperature was determined. The average value obtained was 1740 ± 100 K. This value is significantly lower than the temperatures derived for other molecules.
Publications of the Astronomical Society of the Pacific © 1989 The University of Chicago Press