Improved Frequencies of Rotational Transitions of 52CrH in the 6Σ+ Ground State

Details Improved Frequencies of Rotational Transitions of 52CrH in the 6Σ+ Ground State Improved Frequencies of Rotational Transitions of 52CrH in the 6Σ+ Ground State

Feb 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006apj...637.1143h&link_type=abstract

The Astrophysical Journal, Volume 637, Issue 2, pp. 1143-1147.

Astronomy and Astrophysics

Astronomy

5

Astrochemistry, Ism: Lines And Bands, Ism: Molecules, Line: Identification, Molecular Data, Stars: Agb And Post-Agb, Stars: Low-Mass, Brown Dwarfs

Scientific paper

Previous mid-infrared, far-infrared, and new submillimeter data relating solely to 52CrH in its X 6Σ+ state have been reanalyzed by a least-squares fit using a Hund's case (b) Hamiltonian to determine the best obtainable set of parameters for the molecule. In particular, the fine structure and hyperfine constants have been improved. From these parameters, transition frequencies are determined that are more reliable than those published previously; the latter show systematic errors of up to 15 MHz. Such frequencies will facilitate the identification of CrH in the interstellar medium.

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