EXCITATION OF THE $\lambda$4050A GROUP OF COMETARY BANDS IN OXY-HYDROCARBON $FLAMES^{*}$
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Date
1955
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Ohio State University
Abstract
The $\lambda$4050A group of C3 bands appearing in the emission spectra of comets and in the absorption spectra of cool stars have recently been observed in several laboratory sources including oxy-hydrocarbon flames. As part of a programme of intensity measurements on band systems of astrophysical interest, the emission spectra of the luminous region of fuel-rich oxy-acetylene flames have been examined over the wavelength region $\lambda\lambda$3800 - 4300A. The $\lambda$4050A group and an associated underlying violet continuum with maxima at $\lambda$4000A and $\lambda$4300A were observed in addition to bands of C2, CH, and CN. Relative intensity measurements on these spectra produced under different flame conditions are reported and discussed.
Description
$^{*}$This work is supported by the Air Force Cambridge Research Center.
Author Institution: Department of Physics, University of Western Ontario
Author Institution: Department of Physics, University of Western Ontario