SGRs/AXPs as Rotation-Powered Neutron Stars

Author:

de Lima Rafael C. R.1,Coelho Jaziel G.2,Malheiro Manuel3,Rueda Jorge A.,Ruffini Remo45

Affiliation:

1. Universidade do Estado de Santa Catarina (UESC), Av. Madre Benvenuta, 2007, 88.035901 Florianópolis, SC, Brazil

2. Instituto Nacional de Pesquisas Espaciais (INPE), Av. dos Astronautas 1758, 12227010 São José dos Campos, SP, Brazil

3. Instituto Tecnológico de Aeronáutica (ITA), Praça Marechal Eduardo Gomes, 50, 12228900 São José dos Campos, SP, Brazil

4. Dipartimento di Fisica and ICRA, Sapienza Universitdi Roma, P.le Aldo Moro 5, I00185 Rome, Italy

5. International Center for Relativistic Astrophysics Network (ICRANet), Piazza della Repubblica, 65100 Pescara, PE, Italy

Abstract

We show that nine soft gamma repeaters (SGRs) and Anomalous X-ray Pulsars (AXPs) of the twenty three known sources can be described as rotation-powered canonical pulsars. To accomplish this we use realistic parameters of rotating neutron stars obtained from numerical integration of the self-consistent axisymmetric general relativistic equations of equilibrium. We present limits to the NS mass where the sources can be rotation-powered.

Publisher

World Scientific Pub Co Pte Lt

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