Abstract
view Abstract Citations (51) References (14) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Spectra from pair-equilibrium plasmas Zdziarski, A. A. Abstract A numerical model of relativistic nonmagnetized plasma with uniform temperature and electron density distributions is considered, and spectra from plasma in pair equilibrium are studied. A range of dimensionless temperature (T) greater than about 0.2 is considered. The spectra from low pair density plasmas in pair equilibrium vary from un-Comptonized bremsstrahlung spectra at Thomson cross section tau(N) much less than one to Comptonized bremsstrahlung spectra with tau(N) over one. For high pair density plasmas the spectra are flat for T greater than about one, and have broad intensity peaks at energy roughly equal to 3T for T less than one. In the latter region the total luminosity is approximately twice the annihilation luminosity. All spectra are flat in the X-ray region, in contradiction to observed AGN spectra. For dimensionless luminosity greater than about 100, the cooling time becomes shorter than the Thomson time. Publication: The Astrophysical Journal Pub Date: August 1984 DOI: 10.1086/162370 Bibcode: 1984ApJ...283..842Z Keywords: Galactic Nuclei; Pair Production; Plasma Equilibrium; Plasma Spectra; Relativistic Plasmas; X Ray Sources; Active Galactic Nuclei; Astronomical Models; Bremsstrahlung; Compton Effect; Plasma Temperature; Positron Annihilation; Thomson Scattering; X Ray Spectra; Astrophysics full text sources ADS |
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