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Variation of Oxygen and Nitrogen Abundances in the GalaxyResults from a program of far-infrared observations of oxygen and nitrogen in Galactic planetary nebulae and H II regions are presented and discussed. Results indicate that the N/O abundance increases inward towards the galactic center, with a steep rise at the outer edge of the 5 kpc ring of active star-formation. The N/O abundances in the inner galaxy are about 2 to 3 times higher than in H II regions in the solar neighborhood and outer galaxy.
Document ID
19850009569
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Dinerstein, H. L. (Texas Univ. Austin, United States)
Lester, D. (Texas Univ. Austin, United States)
Werner, M. W. (NASA Ames Research Center Moffett Field, CA, United States)
Watson, D. M. (California Inst. of Tech. Berkeley, United States)
Genzel, R. L. (California Univ. Moffett Field, CA, United States)
Rubin, R. H. (NASA Ames Research Center)
Date Acquired
August 12, 2013
Publication Date
December 1, 1984
Publication Information
Publication: Airborne Astron. Symp.
Subject Category
Astrophysics
Accession Number
85N17878
Funding Number(s)
CONTRACT_GRANT: NCA2-OR781-201
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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