An upper limit to the acetylene abundance toward BN in the Orion molecular cloud

Journal Article · Sun Oct 01 04:00:00 EDT 1989 · Astrophysical Journal; (USA)

DOI:https://doi.org/10.1086/167902· OSTI ID:5125743

Knacke, R F; Kim, Y H; Irvine, W M ^[1]

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1. New York State Univ., Stony Brook (USA) Massachusetts Univ., Amherst (USA)

A search for the acetylene (C{sub 2}H{sub 2}) {nu}3 infrared vibration-rotation absorption near 3 microns toward the Becklin-Neugebauer source in the Orion molecular cloud is reported. The relative abundance of C{sub 2}H{sub 2}/CO in the quiescent gas is less than 0.003. 19 refs.

• OSTI ID: 5125743
• Journal Information: Astrophysical Journal; (USA), Journal Name: Astrophysical Journal; (USA) Vol. 345; ISSN ASJOA; ISSN 0004-637X
• Country of Publication: United States
• Language: English

Related Subjects

640105* -- Astrophysics & Cosmology-- Galaxies
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
ABSORPTION SPECTRA
ABUNDANCE
ACETYLENE
ALKYNES
CARBON COMPOUNDS
CARBON MONOXIDE
CARBON OXIDES
CHALCOGENIDES
CHEMICAL COMPOSITION
CHEMISTRY
COSMIC GASES
COSMOCHEMISTRY
FLUIDS
GASES
HYDROCARBONS
INFRARED SPECTRA
INTERSTELLAR SPACE
NEBULAE
ORGANIC COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
SPACE
SPECTRA