Star Formation in Elliptical Galaxies and Intense Radio Sources

Details Star Formation in Elliptical Galaxies and Intense Radio Sources Star Formation in Elliptical Galaxies and Intense Radio Sources

Jun 1962

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1962natur.194..963c&link_type=abstract

Nature, Volume 194, Issue 4832, pp. 963-964 (1962).

Physics

12

Scientific paper

G. R. BURBIDGE has recently reviewed the problem of the energy sources required to give the non-thermal radio emission from intense extragalactic sources1. The intrinsically strongest sources appear to be mostly associated with giant elliptical galaxies, and to be radiating at power-levels up to 107 times that of our own Galaxy. Burbidge argues convincingly that the high-energy particles responsible for the radio emission must be accelerated in supernova explosions. A typical strong radio source would require the explosion of 107 or 108 supernovæ in a period of 107 or 108 years. This is a considerably greater supernova-rate than normally occurs in a galaxy.

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