HEAO-1 and IR observations of the X ray pulsar 1E2259+586

Details HEAO-1 and IR observations of the X ray pulsar 1E2259+586 HEAO-1 and IR observations of the X ray pulsar 1E2259+586

Nov 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989esasp.296..381d&link_type=abstract

In ESA, The 23rd ESLAB Symposium on Two Topics in X Ray Astronomy. Volume 1: X Ray Binaries p 381-386 (SEE N90-25711 19-89)

Astronomy and Astrophysics

Astronomy

2

Heao 1, Infrared Imagery, Pulsars, X Ray Binaries, Infrared Astronomy, Light (Visible Radiation), Light Curve, Stellar Rotation, Stellar Spectra, Supernova Remnants

Scientific paper

The analysis of HEAO-1 scanning observations of the X-ray pulsar 1E2259+586 from 1978 is reported. The period at this epoch was 6.978586 more or less 0.000006s, consistent with an extrapolation of the spindown trend. The luminosity and pulse profile are similar to those of subsequent observations. Deep IR images of the region of 1E2259+586 are presented. No new counterparts are discovered. The possibility that 1E2259+586 is a massive, heavily reddened system can be discounted. The implications of these results are discussed in terms of evolutionary models and an explanation for the observed spindown is proposed.

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