Abstract
view Abstract Citations (4) References (23) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Structure of the compact nuclear radio source in M82 Brown, R. L. ; Neff, S. G. Abstract To provide the synchrotron microwave radiation that is observed from the bright radio source 41.9 + 58 in M82 with a Gaussian source model having the size given by the VLBI observations (28 light-days) requires an extremely high number density of relativistic electrons (about 20 million per cu cm). Since the Compton scattering optical depth is of the order of unity in such a model, 41.9 + 58 should be an exceptionally bright X-ray and gamma-ray source, but this conclusion is not borne out by the observations. Thus, it is concluded that the radio brightness distribution is not well represented by a simple Gaussian source, but that a more complicated geometry, a disk or disk-like radio structure, is required. Publication: The Astrophysical Journal Pub Date: October 1980 DOI: 10.1086/158370 Bibcode: 1980ApJ...241..561B Keywords: Galactic Nuclei; Radio Sources (Astronomy); Brightness; Compton Effect; Microwaves; Radio Spectra; Synchrotron Radiation; Astrophysics full text sources ADS | data products NED (1)
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