Other
Scientific paper
May 1997
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997aipc..410..547e&link_type=abstract
The fourth compton symposium. AIP Conference Proceedings, Volume 410, pp. 547-551 (1997).
Other
Neutron Stars, Gamma-Ray, X-Ray, Visible, Near Infrared, Luminosities, Magnitudes, Effective Temperatures, Colors, And Spectral Classification
Scientific paper
We analyze the pulse shape of the Crab Nebula pulsar in the near-infrared, optical, ultraviolet, X-ray, and gamma-ray bands. We find that the phase separation between the two peaks of the pulse profile decreases nearly continuously as a function of energy over 7 decades of energy. We find that the differences between the energy dependences of the leading and trailing edge half-width half-maxima of both peaks found by Eikenberry et al. (1996a) also continue over 7 decades of energy. We show that the cusped shape of Peak 2 reverses direction between the infrared/optical and X-ray/gamma-ray bands, while the cusped shape of Peak 1 shows weak evidence of reversing direction between the X-ray and gamma-ray bands. These and many other pulse shape parameters are not predicted by current pulsar emission models, and offer new challenges for the development of such models.
Eikenberry Stephen Scott
Fazio Giovanni G.
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