An Atlas For Interpreting Gamma-Ray Pulsar Light Curves

Details An Atlas For Interpreting Gamma-Ray Pulsar Light Curves An Atlas For Interpreting Gamma-Ray Pulsar Light Curves

2008-12-20

arxiv.org/abs/0812.3931v1

Astrophys.J.695:1289-1301,2009

Astronomy and Astrophysics

Astrophysics

13 pages, 10 figures, accepted for publication in ApJ

Scientific paper

10.1088/0004-637X/695/2/1289

We have simulated a population of young spin-powered pulsars and computed the beaming pattern and lightcurves for the three main geometrical models: polar cap emission, two-pole caustic ("slot gap") emission and outer magnetosphere emission. The light curve shapes depend sensitively on the magnetic inclination alpha and viewing angle zeta. We present the results as maps of observables such as peak multiplicity and gamma-ray peak separation in the (alpha, zeta) plane. These diagrams can be used to locate allowed regions for radio-loud and radio-quiet pulsars and to convert observed fluxes to true all-sky emission.

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