Pulsar Spectra from IR to Gamma-rays.

Details Pulsar Spectra from IR to Gamma-rays. Pulsar Spectra from IR to Gamma-rays.

Sep 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011head...12.2006d&link_type=abstract

American Astronomical Society, HEAD meeting #12, #20.06

Astronomy and Astrophysics

Astronomy

Scientific paper

Thanks to the Fermi LAT, the number of detected gamma-ray pulsars has increased to about 100. For some of these pulsars we have analyzed the Fermi LAT spectra jointly with the spectra obtained with INTEGRAL, Chandra, XMM-Newton, HST, and Spitzer. We present a thorough examination of young (e.g., Vela), middle-aged (B0656+14, B1055-52, Geminga) and very old (J0437-4715) pulsar spectra with unprecedented spectral coverage. We compare their multi-wavelength spectral properties (spectra and light curves) and find intriguing evidence for the existence of an extremely broad non-thermal spectral component connecting emission in the optical, hard X-rays and gamma-rays. We also discuss possible origin of such a component and give a brief outlook for IR/optical/X-ray observations of gamma-ray pulsars in the near future.

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