Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986mnras.221..823o&link_type=abstract
Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 221, Aug. 15, 1986, p. 823-838.
Astronomy and Astrophysics
Astronomy
31
Eclipsing Binary Stars, Energy Spectra, Light Curve, Variable Stars, X Ray Stars, Continuous Spectra, Exosat Satellite, Linear Polarization, Spectrophotometry, Ultraviolet Astronomy, Visible Spectrum
Scientific paper
X-ray, UV and optical data are presented of the longest period AM Her object, E2003+225, from October 12, 1983, together with a new linear polarization ephemeris. The optical and X-ray data were obtained simultaneously and the UV observations were carried out on the same day. A 6-hr observation with the Exosat 500 line/mm objective grating restricts soft X-ray blackbody temperatures to the range 18-29 eV. The blackbody luminosity exceeds the hard X-ray luminosity by at least a factor of 4.5, but is of the same order as the optical/UV component. Soft (0.1-0.25 keV) and hard X-ray (1-6 keV) light curves covering almost two orbital periods are presented and discussed.
Bonnet-Bidaud Jean-Marc
Bowyer Stuart
Charles Phil A.
Chiappetti Lucio
Clarke John T.
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