First detection of C3H2 at sub-mm wavelengths

Details First detection of C3H2 at sub-mm wavelengths First detection of C3H2 at sub-mm wavelengths

Dec 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990liaco..29..239h&link_type=abstract

In its From Ground-Based to Space-Borne Sub-mm Astronomy p 239-241 (SEE N91-21986 13-89)

Astronomy and Astrophysics

Astronomy

Emission Spectra, Interstellar Chemistry, Line Spectra, Planetary Nebulae, Stellar Envelopes, Stellar Spectra, Submillimeter Waves, Carbon Monoxide, Chemical Analysis, Cyclic Hydrocarbons, Interstellar Matter, Spectrum Analysis

Scientific paper

Study of C3H2 emission towardsmm transitions is described. C3H2 emission is sought for in a small number of objects selected for their strong three micron emission features. The emission values obtained are used to check the calculated transition frequencies in astronomical objects. First detection of C3H2 atmm wavelengths towards the compact planetary nebula IRAS 21282 + 5050 is reported. The emission profile indicates that the CH line, similar the CO line, originates in the expanding circumstellar envelope.

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