Near-infrared emission-line spectra of the Orion Nebula, NGC 4151, and other Seyfert galaxies
Journal Article
·
· Astrophysical Journal; (USA)
- California Univ., Santa Cruz (USA)
Near-IR CCD moderate-resolution spectra in the 7000-11,000 wavelength range were obtained for NGC 1976 and NGC 4151 in three overlapping segments. The strongest three lines in both objects are forbidden S III 9531, He I 10830, and forbidden S III 9069. Also, lower resolution spectra of 14 additional Seyfert galaxies were obtained. In all but two of these spectra, the strongest line is forbidden S III 9531. The line strengths among these galaxies are compared to trace ionization behavior. 59 refs.
- OSTI ID:
- 6770085
- Journal Information:
- Astrophysical Journal; (USA), Vol. 352; ISSN 0004-637X
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
SEYFERT GALAXIES
INFRARED SPECTRA
CHARGE-COUPLED DEVICES
DATA PROCESSING
EMISSION SPECTRA
IONIZATION
NEAR INFRARED RADIATION
NEBULAE
ELECTROMAGNETIC RADIATION
GALAXIES
INFRARED RADIATION
PROCESSING
RADIATIONS
SEMICONDUCTOR DEVICES
SPECTRA
640105* - Astrophysics & Cosmology- Galaxies
GENERAL PHYSICS
SEYFERT GALAXIES
INFRARED SPECTRA
CHARGE-COUPLED DEVICES
DATA PROCESSING
EMISSION SPECTRA
IONIZATION
NEAR INFRARED RADIATION
NEBULAE
ELECTROMAGNETIC RADIATION
GALAXIES
INFRARED RADIATION
PROCESSING
RADIATIONS
SEMICONDUCTOR DEVICES
SPECTRA
640105* - Astrophysics & Cosmology- Galaxies