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Flattening modulus of a neutron star by rotation and magnetic field
T. Obata and
Received 28 October 1999 / Accepted 12 January 2000
We calculated the ellipticity of the deformed star due to the rotation or magnetic field. These two effects are compared to each other within general relativity. It turned out that the magnetic distortion is important for recently observed candidates of magnetars, while the magnetic effect can be neglected for well-known typical pulsars.
Key words: relativity stars: neutron stars: rotation stars: magnetic fields methods: analytical
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Online publication: March 28, 2000