/sup 12/CO//sup 13/CO abundance ratio toward zeta Ophiuchi
Journal Article
·
· Astrophys. J.; (United States)
A system of ultraviolet absorption lines has been used to determine the /sup 12/CO//sup 13/CO abundance ratio toward zeta Ophiuchi as well as certain physical properties of the interstellar material. The Copernicus and International Ultraviolet Explorer observations imply a rather low CO isotope ratio of 55 +- 11 and a /sup 12/CO column density of 2.4 +- 0.3 x 10/sup 15/ cm/sup -2/. Further analysis implies a rather small velocity dispersion of 0.46 +- 0.15 km s/sup -1/ and a kinetic temperature in excess of 70 K.
- Research Organization:
- California Institute of Technology
- OSTI ID:
- 5289714
- Journal Information:
- Astrophys. J.; (United States), Journal Name: Astrophys. J.; (United States) Vol. 254:1; ISSN ASJOA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
640105* -- Astrophysics & Cosmology-- Galaxies
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
ABSORPTION SPECTRA
ABUNDANCE
CARBON 12
CARBON 13
CARBON COMPOUNDS
CARBON ISOTOPES
CARBON MONOXIDE
CARBON OXIDES
CHALCOGENIDES
DIAGRAMS
EVEN-EVEN NUCLEI
EVEN-ODD NUCLEI
FUNCTIONS
INTERSTELLAR SPACE
ISOTOPE RATIO
ISOTOPES
LIGHT NUCLEI
MOLECULES
NUCLEI
OPTICAL DEPTH CURVE
OXIDES
OXYGEN COMPOUNDS
SPACE
SPECTRA
SPECTRAL DENSITY
SPECTRAL FUNCTIONS
SPECTROSCOPIC CURVE OF GROWTH
STABLE ISOTOPES
ULTRAVIOLET SPECTRA
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
ABSORPTION SPECTRA
ABUNDANCE
CARBON 12
CARBON 13
CARBON COMPOUNDS
CARBON ISOTOPES
CARBON MONOXIDE
CARBON OXIDES
CHALCOGENIDES
DIAGRAMS
EVEN-EVEN NUCLEI
EVEN-ODD NUCLEI
FUNCTIONS
INTERSTELLAR SPACE
ISOTOPE RATIO
ISOTOPES
LIGHT NUCLEI
MOLECULES
NUCLEI
OPTICAL DEPTH CURVE
OXIDES
OXYGEN COMPOUNDS
SPACE
SPECTRA
SPECTRAL DENSITY
SPECTRAL FUNCTIONS
SPECTROSCOPIC CURVE OF GROWTH
STABLE ISOTOPES
ULTRAVIOLET SPECTRA