Detection of HC-13N maser emission from the ground state toward Y Canum Venaticorum

Details Detection of HC-13N maser emission from the ground state toward Y Canum Venaticorum Detection of HC-13N maser emission from the ground state toward Y Canum Venaticorum

Dec 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987apj...323l..81i&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 323, Dec. 1, 1987, p. L81-L85.

Astronomy and Astrophysics

Astronomy

20

Carbon Stars, Emission Spectra, Interstellar Masers, Molecular Spectra, Stellar Spectra, Ground State, Line Spectra, Radio Astronomy, Stellar Envelopes, Stellar Mass Ejection

Scientific paper

The authors have detected unusually strong molecular emission of the H13CN J = 1-0 transition in the ground vibrational state, comparable to that of the H12CN, from the carbon star Y Canum Venaticorum. The emission has a spike component with a full width at half-maximum of 1.7 km s-1. The intensity of the spike has shown a significant time variation in only 1 month. These observational facts suggest that the spike component of the H13CN emission is a maser emission.

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