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CINE: Comet INfrared Excitation

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Ada Coda
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CINE: Comet INfrared Excitation

Postby Ada Coda » Sun Apr 16, 2017 4:26 pm

CINE: Comet INfrared Excitation

Abstract: CINE calculates infrared pumping efficiencies that can be applied to the most common molecules found in cometary comae such as water, hydrogen cyanide or methanol. One of the main mechanisms for molecular excitation in comets is the fluorescence by the solar radiation followed by radiative decay to the ground vibrational state. This command-line tool calculates the effective pumping rates for rotational levels in the ground vibrational state scaled by the heliocentric distance of the comet. Fluorescence coefficients are useful for modeling rotational emission lines observed in cometary spectra at sub-millimeter wavelengths. Combined with computational methods to solve the radiative transfer equations based, e.g., on the Monte Carlo algorithm, this model can retrieve production rates and rotational temperatures from the observed emission spectrum.

Credit: de Val-Borro, Miguel; Cordiner, Martin A.; Milam, Stefanie N.; Charnley, Steven B.

Site: https://github.com/migueldvb/cine


Preferred citation method: http://adsabs.harvard.edu/abs/2017JOSS.2017..182D
Last edited by Ada Coda on Sat Apr 29, 2017 9:25 pm, edited 1 time in total.
Reason: Updated code entry.

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