WD2 - Origin and physics of Soft Gamma-ray Repeaters and Anomalous X-ray Pulsars |
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Speaker |
Camargo Rodrigues de Lima, Rafael |
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Coauthors |
Coelho, Jaziel G.; Lima, Rafael C. R. C. de; Cáceres, Diego L.; Malheiro, Manuel; Rueda, Jorge A.; Ruffini, Remo |
| Talk Title |
SGRS AND AXPS AS ROTATION-POWERED COMPACT STARS |
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Abstract |
We show that nine of the twenty three soft gamma repeaters (SGRs) and anomalous X-ray pulsars (AXPs), namely the 40% of the entire observed population of sources, can be described as canonical pulsars driven by the rotational energy of a neutron star, for which we give the possible range of masses. Assuming on the other hand an alternative scenario in which SGR/AXPs are rotation-powered white dwarfs, we compute tight constraints for the masses, radii, and magnetic field of the white dwarf by requesting the gravitational and rotational stability of the star. |
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