EXOSAT - Europe's new X-ray satellite

Details EXOSAT - Europe's new X-ray satellite EXOSAT - Europe's new X-ray satellite

May 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984s%26t....67..397c&link_type=abstract

Sky and Telescope (ISSN 0037-6604), vol. 67, May 1984, p. 397-401.

Astronomy and Astrophysics

Astronomy

European Space Programs, Exosat Satellite, Spaceborne Astronomy, X Ray Astronomy, Binary Stars, Data Integration, Neutron Stars, Pulsars, Variable Stars, X Ray Sources

Scientific paper

Preliminary data gathered by the European Space Agency's X-ray astronomy satellite (Exosat) are discussed. Exosat is equipped with two low-energy X-ray telescopes, two-medium energy occultation detectors, and a gas-scintillation proportional counter. The instruments cover an energy range from 40 to 50,000 electron volts, corresponding to wavelengths between 300 and 0.25 A. Travelling in an orbit with an apogee of 190,000 km and a perigee of 350 km, Exosat has been transmitting data from observations of X-ray-emitting neutron stars in binary systems, an X-ray pulsar (4U 1626-67), and two magnetic cataclysmic variable stars, GK Persei (Nova Persei 1901), and DQ Herculis.

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