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|Title:||General relativistic spectra of accretion discs around rapidly rotating neutron stars: effect of light bending|
Thampan, Arun V.
|Publisher:||Blackwell Publishing for the Royal Astronomical Society|
|Citation:||Monthly Notices of the Royal Astronomical Society, 2001, Vol.325, p989-994.|
|Abstract:||We present computed spectra, as seen by a distant observer, from the accretion disc around a rapidly rotating neutron star. Our calculations are carried out in a fully general relativistic framework, with an exact treatment of rotation. We take into account the Doppler shift, gravitational redshift and light-bending effects in order to compute the observed spectrum. We find that light bending significantly modifies the high-energy part of the spectrum. Computed spectra for slowly rotating neutron stars are also presented. These results would be important for modelling the observed X-ray spectra of low-mass X-ray binaries containing fast-spinning neutron stars.|
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|Copyright:||(2001) Royal Astronomical Society|
|Appears in Collections:||Research Papers (A&A)|
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