Millimeter and submillimeter observations of nearby radio galaxies

Journal Article · Wed May 01 00:00:00 EDT 1991 · Astronomical Journal; (United States)

DOI:https://doi.org/10.1086/115791· OSTI ID:5503413

Knapp, G R; Patten, B M ^[1]

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1. Princeton University, NJ (USA) Hawaii, University, Honolulu (USA)

Radio galaxies are often observed to be strong long wavelength infrared sources. Twenty-six radio galaxies with strong compact cores were observed at wavelengths near 1 mm with the James Clerk Maxwell Telescope on Mauna Kea, Hawaii. The detections and upper limits establish the presence of excess infrared emission for almost all of the galaxies in the sample. The exceptions are the BL Lac objects, which have smooth continuous spectra from radio to infrared wavelengths. The spectral energy distributions of the infrared emission from the radio galaxies favor a thermal origin due to emission from cool interstellar dust. The amounts of dust inferred to be present approach those observed in large spirals. 55 refs.

• OSTI ID: 5503413
• Journal Information: Astronomical Journal; (United States), Vol. 101; ISSN 0004-6256
• Country of Publication: United States
• Language: English

Related Subjects

71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
RADIO GALAXIES
INFRARED RADIATION
BL LACERTAE OBJECTS
COSMIC DUST
COSMIC GASES
EMISSION SPECTRA
ENERGY SPECTRA
INTERSTELLAR SPACE
LIMITING VALUES
ORIGIN
SPECTROSCOPY
COSMIC RADIO SOURCES
DUSTS
ELECTROMAGNETIC RADIATION
FLUIDS
GALAXIES
GASES
RADIATIONS
SPACE
SPECTRA
640105* - Astrophysics & Cosmology- Galaxies