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Was wissen wir über Neutronensterne?

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Abstract

There are 109±0.5 neutron stars in the Galaxy. They are born in supernova explosions. Isolated neutron stars are observed as (radio-)pulsars, in some cases also as γ-ray pulsars and as IR-, optical and X-ray pulsars. Binary neutron stars, when accreting mass from their companion, become flickering, periodic and/or bursting X-ray sources, and probably also γ-ray bursters. They may all derive from binary star systems. The masses of population-I-neutron stars are compatible with (1.4 ±0.2)M ⊙; their surface magnetic fields fall almost exclusively within 1012.2 and 1013.2 Gauss (at birth). The radii of population-II-neutron stars are (10 +6-3 )km. Even in exotic sources like SS 433 and Cyg X-1, the compact core may well be a neutron star.

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Authors and Affiliations

  1. Institut für Astrophysik der Universität, D-5300, Bonn

    Wolfgang Kundt

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  1. Wolfgang Kundt
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Kundt, W. Was wissen wir über Neutronensterne?. Naturwissenschaften 68, 63–75 (1981). https://doi.org/10.1007/BF01047224

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  • DOI: https://doi.org/10.1007/BF01047224

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