Pulsed high-energy gamma-radiation from Geminga (1E0630 + 178)

Details Pulsed high-energy gamma-radiation from Geminga (1E0630 + 178) Pulsed high-energy gamma-radiation from Geminga (1E0630 + 178)

May 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992natur.357..306b&link_type=abstract

Nature (ISSN 0028-0836), vol. 357, no. 6376, May 28, 1992, p. 306, 307.

Astronomy and Astrophysics

Astronomy

195

Gamma Ray Astronomy, Neutron Stars, Pulsed Radiation, X Ray Sources, Astronomical Observatories, Light Curve, Stellar Magnetic Fields

Scientific paper

The detection of pulsed gamma rays with energy above 50 MeV from the soft X-ray source 1E0630 + 178 is reported, confirming the identification of Geminga with this X-ray source. The period derivative (11.4 +/- 1.7) x 10 exp -15 s/s suggests that Geminga is a nearby isolated rotating neutron star with a magnetic field of 1.6 x 10 exp 12 gauss, a characteristic age of 300,000 yr, and a spin-down energy loss rate of 3.5 x 10 exp 34 erg/s.

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