Pulse profiles from thermally emitting neutron stars
R. Turolla, L. Nobili
TL;DR
This paper extends a previous method to compute neutron star pulse profiles, allowing for multiple finite-sized spots at different locations, resulting in simple analytical formulas involving elementary functions.
Contribution
It introduces a generalized analytical approach to model pulse profiles from multiple finite-sized spots on neutron stars in general relativity.
Findings
Extended Beloborodov's method to multiple spots
Derived simple analytical formulas for pulse profiles
Applicable to various spot configurations on neutron stars
Abstract
The problem of computing the pulse profiles from thermally emitting spots on the surface of a neutron star in general relativity is reconsidered. We show that it is possible to extend Beloborodov (2002) approach to include (multiple) spots of finite size in different positions on the star surface. Results for the pulse profiles are expressed by comparatively simple analytical formulas which involve only elementary functions.
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