An Upper Limit to the Acetylene Abundance toward BN in the Orion Molecular Cloud
Abstract
A search for the acetylene (C2H2) nu3 infrared vibration-rotation absorption near 3 microns toward the Becklin-Neugebauer source in the Orion molecular cloud is reported. The relative abundance of C2H2/CO in the quiescent gas is less than 0.003.
- Publication:
-
The Astrophysical Journal
- Pub Date:
- October 1989
- DOI:
- 10.1086/167902
- Bibcode:
- 1989ApJ...345..265K
- Keywords:
-
- Abundance;
- Acetylene;
- Interstellar Chemistry;
- Molecular Clouds;
- Orion Nebula;
- Absorption Spectra;
- Carbon Monoxide;
- Infrared Spectra;
- Interstellar Gas;
- Astrophysics;
- INFRARED: SPECTRA;
- INTERSTELLAR: ABUNDANCES;
- INTERSTELLAR: MOLECULES;
- NEBULAE: ORION NEBULA