Statistics – Computation
Scientific paper
Dec 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992aas...18111206c&link_type=abstract
American Astronomical Society, 181st AAS Meeting, #112.06D; Bulletin of the American Astronomical Society, Vol. 24, p.1299
Statistics
Computation
Scientific paper
Recent observations of 1 MeV-10 GeV gamma-rays have produced high quality spectra and light curves for a number of rotation-powered pulsars. We present results from a calculation of gamma-ray production in pulsar magnetospheres in an attempt to explain these observations. In this realization of the `outer gap' model, we follow the production of a locally generated self-consistent particle distribution, its radiation in wavelengths from the optical to the high energy gamma-ray range and its propagation through the pulsar magnetosphere. Choosing the site within the open field line zone above the pulsar polar cap, the calculation generates light curves for Crab-like pulsars to be compared with the observed data. In addition, we derived phase resolved spectra. These computations place strong constraints on the radiation sites and processes in the outer magnetosphere. Preliminary results for newly discovered objects, such as Geminga, show that substantially improved understanding of pulsar geometry and energetics can be obtained with these models.
Chiang James
Ho Cheng
Romani Roger W.
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