Aperture synthesis observations of the radio luminous galaxy 3C 123 at 98 GHz

Details Aperture synthesis observations of the radio luminous galaxy 3C 123 at 98 GHz Aperture synthesis observations of the radio luminous galaxy 3C 123 at 98 GHz

Aug 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992pasj...44..335o&link_type=abstract

PASJ: Publications of the Astronomical Society of Japan (ISSN 0004-6264), vol. 44, no. 4, p. 335-340.

Astronomy and Astrophysics

Astronomy

3

Galactic Structure, Radio Galaxies, Luminosity, Molecular Clouds, Red Shift, Spectral Energy Distribution, Synchrotron Radiation

Scientific paper

An aperture synthesis observation of the radio luminous galaxy 3C 123 was made at 98 GHz with 4.5 arcsec x 4.2 arcsec resolution, using the Nobeyama Millimeter Array (NMA). This is the first observation of a distant (z about 0.2) radio galaxy with NMA. Our observation has revealed that 3C 123 has extended components, together with some compact components, even at such a high frequency. The core of 3C 123 has almost a flat spectrum (alpha equal to about 0) between 15 and 98 GHz; the cut-off frequency of the east hot spot of 3C 123 was determined to be at mm wavelengths from the present 98 GHz observation.

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