Infrared Response of H_2 to X-rays in the Dense Interstellar Medium

Details Infrared Response of H_2 to X-rays in the Dense Interstellar Medium Infrared Response of H_2 to X-rays in the Dense Interstellar Medium

May 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996aas...188.0708t&link_type=abstract

American Astronomical Society, 188th AAS Meeting, #07.08; Bulletin of the American Astronomical Society, Vol. 28, p.833

Astronomy and Astrophysics

Astronomy

Scientific paper

We have carried out detailed calculations of the rotation-vibration excitation of H_2 in the dense interstellar medium subjected to the action of X-rays. X-rays absorbed in a dense gas heat the gas so that thermal excitation of the rotation-vibration levels occurs. The X-rays photoelectrons may also produce excited rotation-vibration levels in a process similar to ultraviolet pumping. The resulting infrared spectrum by H_2 has been computed as a function of ionization rate by X-rays, total hydrogen density and temperature. A comparison with observations is discussed.

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