Vibrationally excited CH3CN in Sgr B2

Details Vibrationally excited CH3CN in Sgr B2 Vibrationally excited CH3CN in Sgr B2

Feb 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998cha%26a..22..315m&link_type=abstract

Chinese Astronomy and Astrophysics, Volume 22, Issue 3, p. 315-318.

Astronomy and Astrophysics

Astrophysics

Scientific paper

The sources labelled N and M in the molecular complex Sgr B2 were observed in the 6K - 5K line series of the ν8 = 1 vibrationally excited state of the CH3CN molecule. The series was detected only in a 10'' × 14'' (0.41 pc × 0.58 pc) region of N, and none above the noise level in M. A rough estimate for the vibrational excitation temperature of N of about 300 K is obtained. We discuss the excitation mechanism for this line series and differences in the physical conditions between N and M.

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