Continuum emission from the nucleus of NGC 1275

Details Continuum emission from the nucleus of NGC 1275 Continuum emission from the nucleus of NGC 1275

Jul 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984mnras.209..373l&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 209, July 15, 1984, p. 373-385.

Astronomy and Astrophysics

Astronomy

16

Continuous Radiation, Galactic Nuclei, Galactic Radiation, Infrared Astronomy, Galactic Clusters, Near Infrared Radiation, Spectral Energy Distribution, Stellar Luminosity

Scientific paper

Submillimeter and multi-aperture near-infrared observations of NGC 1275 are presented. The luminosity of the extended stellar component within the near-infrared apertures has been determined, and consequently also the 1.25-3.5 micron energy distribution of the unresolved nucleus. The 1 micron-30 cm energy distribution is reviewed. It is argued that the most likely origin for the 100 micron-30 cm radiation is synchrotron emission, with this nonthermal component also contributing significant flux at 10 microns. No observations are yet available which make it possible to distinguish unequivocally between a thermal (dust) and synchrotron emission mechanism in the 1-10 micron region, but the evidence marginally favors a nonthermal origin.

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