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Extragalactic diffuse (C II) emission
- Source :
- Astronomical Society of the Pacific, Airborne Astronomy Symposium on the Galactic Ecosystem: From Gas to Stars to Dust, Volume 73
- Publication Year :
- 1995
- Publisher :
- United States: NASA Center for Aerospace Information (CASI), 1995.
-
Abstract
- The 158 micro m (CII) line has been mapped in the galaxies Centaurus A, M83, NGC 6946, and NGC 891. The emission exists over very large scales, peaking in the nuclei and extending beyond the spiral arms and molecular disks. While most of the (CII) emission from the nuclei and spiral arms originates in photodissociated gas, the diffuse atomic gas can account for much of the (CII) emission in the extended regions.
- Subjects :
- Space Radiation
Subjects
Details
- Language :
- English
- Database :
- NASA Technical Reports
- Journal :
- Astronomical Society of the Pacific, Airborne Astronomy Symposium on the Galactic Ecosystem: From Gas to Stars to Dust, Volume 73
- Publication Type :
- Report
- Accession number :
- edsnas.19960003635
- Document Type :
- Report