Detection of the J = 1 to 0 transition of cyanodiacetylene in SGR B2

Details Detection of the J = 1 to 0 transition of cyanodiacetylene in SGR B2 Detection of the J = 1 to 0 transition of cyanodiacetylene in SGR B2

Sep 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976pasau...3...65b&link_type=abstract

(Astronomical Society of Australia, Annual General Meeting, 10th, Sydney, Australia, May 12-14, 1976.) Astronomical Society of A

Astronomy and Astrophysics

Astronomy

1

Acetylene, Cyano Compounds, Electron Transitions, Interstellar Matter, Radio Astronomy, Calibrating, Line Spectra, Molecular Spectra, Radial Velocity

Scientific paper

Avery et al. (1976) discovered cyanodiacetylene (HCCCCCN) in Sgr B2. This molecule is the heaviest yet detected in interstellar space, having a molecular weight of 75 amu, and is the longest linear molecule known. Avery's observations were made at the J = 4 to 3 and J = 8 to 7 rotational transitions. A search for the J = 1 to 0 transition is described in the present paper. The J = 1 to 0 lines were detected in Sgr B2 with the Parkes 64-m radio telescope and 11-cm correlation receiver.

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