Identification of CrH and CrD Molecular Lines in the Sunspot Umbral Spectrum

Details Identification of CrH and CrD Molecular Lines in the Sunspot Umbral Spectrum Identification of CrH and CrD Molecular Lines in the Sunspot Umbral Spectrum

Jul 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009soph..257..261v&link_type=abstract

Solar Physics, Volume 257, Issue 2, pp.261-269

Physics

1

Sunspots, Effective Rotational Temperature, Crh And Crd Molecular Lines

Scientific paper

High-resolution Fourier transform spectrometer sunspot umbral spectra obtained at the National Solar Observatory/Kitt Peak were used to identify molecular rotational lines arising from the infrared band systems of CrH and CrD molecules. Measurement of the equivalent width used the Gaussian-profile approximation method, which is suitable especially for faint lines. Equivalent widths are measured for an adequate number of best lines of the A - X (0,0) band of CrH and the A - X (0,0;1,0) bands of CrD and, thereby, the effective rotational temperatures are estimated.

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