The size of NGC 4151 at 11. 2 microns
- Palomar Observatory, Pasadena, CA (USA)
The size of the emission region of NGC 4151 at 11.2 microns has been measured to be 0.16 + or - 0.04 arcsec (1 sigma). This size is in agreement with that expected from thermal emission from dust grains heated by a central luminosity source, but is inconsistent with nonthermal emission. 19 refs.
- OSTI ID:
- 6710130
- Journal Information:
- Astronomical Journal; (USA), Journal Name: Astronomical Journal; (USA) Vol. 99; ISSN 0004-6256; ISSN ANJOA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
640105* -- Astrophysics & Cosmology-- Galaxies
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
COSMIC DUST
DUSTS
ELECTROMAGNETIC RADIATION
EMISSION SPECTRA
GALAXIES
GALAXY NUCLEI
INFRARED RADIATION
LUMINOSITY
OPTICAL PROPERTIES
OPTICS
PHYSICAL PROPERTIES
RADIATIONS
RED SHIFT
SEYFERT GALAXIES
SIZE
SPECTRA
THERMAL RADIATION
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
COSMIC DUST
DUSTS
ELECTROMAGNETIC RADIATION
EMISSION SPECTRA
GALAXIES
GALAXY NUCLEI
INFRARED RADIATION
LUMINOSITY
OPTICAL PROPERTIES
OPTICS
PHYSICAL PROPERTIES
RADIATIONS
RED SHIFT
SEYFERT GALAXIES
SIZE
SPECTRA
THERMAL RADIATION