Superbubbles in galaxies: A new class of nonthermal sources

Details Superbubbles in galaxies: A new class of nonthermal sources Superbubbles in galaxies: A new class of nonthermal sources

Dec 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993a%26a...280l..27b&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 280, no. 2, p. L27-L29

Astronomy and Astrophysics

Astrophysics

3

Astronomical Models, B Stars, Galactic Radio Waves, Galactic Structure, Interstellar Magnetic Fields, Interstellar Matter, Nonthermal Radiation, O Stars, Bremsstrahlung, Charged Particles, Gamma Ray Spectra, Luminosity, Radiation Spectra, Synchrotron Radiation, X Ray Spectra

Scientific paper

The paper presents a model of nonthermal electromagnetic emission from superbubbles (SBs) surrounding OB associations. We predict that the sources have flat radio spectrum with a knee at a few GHz, and hard spectrum of X- and gamma-rays with luminosity of the order of 1035 erg/s. We conclude that SBs represent a new population of nonthermal sources.

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