Pulsed high-energy gamma rays from PSR 1055-52

Details Pulsed high-energy gamma rays from PSR 1055-52 Pulsed high-energy gamma rays from PSR 1055-52

Aug 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993apj...413l..27f&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 413, no. 1, p. L27-L30.

Astronomy and Astrophysics

Astronomy

103

Gamma Ray Spectra, Light Curve, Pulsars, Gamma Ray Observatory, Magnetic Flux, Radio Sources (Astronomy), Scintillation Counters, X Ray Sources

Scientific paper

The Energetic Gamma Ray Experiment Telescope (EGRET) aboard the Compton Gamma Ray Observatory has detected a high-energy gamma-ray source at a position coincident with that of the radio pulsar PSR 1055-52. Analysis of the EGRET data at the radio pulsar period of 197 ms has revealed pulsed gamma-radiation at energies above 300 MeV, making PSR 1055-52 the fifth detected high-energy gamma-ray pulsar. The pulsed radiation from PSR 1055-52 has a very hard photon spectral index of -1.18 +/- 0.16 and a high efficiency for converting its rotational energy into gamma-rays. No unpulsed emission was observed.

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