Longmore, A. J., Sharples, A. T., Tokunaga, A. T., Rudy, R. J., Robson, E. I., Ade, Peter A. R. ![]() |
Abstract
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 |
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Date Type: | Publication |
Status: | Published |
Schools: | Physics and Astronomy |
Subjects: | Q Science > QB Astronomy |
Publisher: | Oxford University Press |
ISSN: | 0035-8711 |
Last Modified: | 27 Oct 2022 08:39 |
URI: | https://orca.cardiff.ac.uk/id/eprint/62990 |
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