Temporal structure of very high energy gamma radiation from PSR 1509 - 58

Details Temporal structure of very high energy gamma radiation from PSR 1509 - 58 Temporal structure of very high energy gamma radiation from PSR 1509 - 58

Sep 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990apj...361..181n&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 361, Sept. 20, 1990, p. 181-189.

Astronomy and Astrophysics

Astronomy

12

Gamma Ray Astronomy, Pulsars, Stellar Radiation, Supernova Remnants, Temporal Distribution, Cerenkov Radiation, Emission Spectra, Harmonics, Light Curve, Spectral Energy Distribution, Spectrum Analysis

Scientific paper

Further observations of steady, pulsed TeV gamma-rays from PSR 1509 - 58 which confirm an original detection in 1985 are reported. A final chance probability of 1.7 x 10 to the -5th is obtained. Analysis of the data indicates a switching between an on- and an off-state on a time scale of about 10 days. Episodes of pulsed emission lasting between 10 and 100 min are found. The TeV light curve generally shows a broad structure containing three and sometimes four peaks with variations in the relative intensity of the peaks.

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