Relativistic light bending near neutron stars

Details Relativistic light bending near neutron stars Relativistic light bending near neutron stars

Nov 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989esasp.296..551n&link_type=abstract

In ESA, The 23rd ESLAB Symposium on Two Topics in X Ray Astronomy. Volume 1: X Ray Binaries p 551-556 (SEE N90-25711 19-89)

Astronomy and Astrophysics

Astronomy

Deflection, Light Beams, Neutron Stars, Relativistic Effects, X Ray Astronomy, Bending, Pulse Amplitude, Relativity, Stellar Gravitation, Stellar Mass Accretion, Stellar Radiation

Scientific paper

The deflection of light ray emitted on or near the surface of a neutron star is investigated. A picture of the star as it would appear on a screen far away from the star is computed, giving an impression of the effects of light bending. This geometrical data is combined with emission models in order to obtain frequency dependent pulse shapes. They are compared to the pulse shapes as they would turn out in flat space-time. Relativistic light bending generally tends to flatten the pulse shapes, but in certain cases a new peak may appear, which is totally absent in the non-relativistic case.

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