Observations of low luminosity X-ray sources in Vela-Puppis

Details Observations of low luminosity X-ray sources in Vela-Puppis Observations of low luminosity X-ray sources in Vela-Puppis

Feb 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978stin...7820029p&link_type=abstract

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Astronomy and Astrophysics

Astronomy

Pulsars, X Ray Sources, X Ray Spectra, Emission Spectra, Galactic Structure, Radio Astronomy, Spectrum Analysis

Scientific paper

Results of a study of the X-ray emission from a small portion of the galactic plane near galactic longitude 260 deg are presented. This region contains at least six low luminosity X-ray sources within approximately 10 deg. of PSRO833-45, which is near the center of the Gum Nebula. The X-ray source associated with the Vela pulsar, 4U0833-45, is observed at twice its 4U catalogue intensity. The lack of X-ray pulsations at the pulsar period, the non thermal power law spectrum, and models of the X-ray come from an extended source approximately 1 deg in radius. The observation of a high temperature spectrum in a field of view containing only Puppis A among known sources has led to the discovery of a new OSO-8 source, OSO752-39. Other spectra from this region are discussed.

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