Excitation temperature of C2 and broadening of the 6196A diffuse interstellar band

A. Bondar; G. Galazutdinov; J. Krelowski; M. Kazmierczak; M. R. Schmidt; P. Gnacinski

arxiv: 1009.5192 · v1 · pith:ATPSAPRBnew · submitted 2010-09-27 · 🌌 astro-ph.GA

Excitation temperature of C2 and broadening of the 6196A diffuse interstellar band

M. Kazmierczak , P. Gnacinski , M. R. Schmidt , G. Galazutdinov , A. Bondar , J. Krelowski This is my paper

classification 🌌 astro-ph.GA

keywords temperatureexcitationbanddiffusehighinterstellarwidthabsorption

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This paper presents a finding of the correlation between the width of a strong diffuse interstellar band at 6196A and the excitation temperature of C2 based on high resolution and high signal-to-noise ratio spectra. The excitation temperature was determined from absorption lines of the Phillips A-X and Mulliken D-X systems. The width and shape of the narrow 6196A DIB profile apparently depend on the C2 temperature, being broader for higher values.

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Excitation temperature of C2 and broadening of the 6196A diffuse interstellar band

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