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Continuum emission from the nucleus of NGC 1275

Longmore, A. J., Sharples, A. T., Tokunaga, A. T., Rudy, R. J., Robson, E. I., Ade, Peter A. R. and Radostitz, J. 1984. Continuum emission from the nucleus of NGC 1275. Monthly Notices of the Royal Astronomical Society 209 (2) , pp. 373-378. 10.1093/mnras/209.2.373

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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.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Physics and Astronomy
Subjects: Q Science > QB Astronomy
Publisher: Oxford University Press
ISSN: 0035-8711
Last Modified: 04 Jun 2017 06:37

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