The detection of X-rays from Nova MUSCAE 1983 with the EXOSAT satellite

Details The detection of X-rays from Nova MUSCAE 1983 with the EXOSAT satellite The detection of X-rays from Nova MUSCAE 1983 with the EXOSAT satellite

Dec 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984apj...287l..31o&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 287, Dec. 1, 1984, p. L31-L34.

Computer Science

Sound

31

Exosat Satellite, Novae, Satellite Sounding, Stellar Radiation, X Ray Sources, Bremsstrahlung, Thermal Radiation, White Dwarf Stars

Scientific paper

Nova Muscae 1983, a fast classical nova, was discovered on January 18, 1983, by Liller (1983). The present investigation is concerned with a study of this star on the basis of X-ray observations which have been conducted with the low- and medium-energy detectors of the Exosat satellite on April 20, 1984. The measured data are combined with other measurements, and a comparison with nova models is conducted with the objective to obtain information regarding the nature of the X-ray emission from Nova Muscae. It is concluded that there are basically two possibilities for explaining the soft X-ray observations. One explanation involves a shocked circumstellar gas under conditions including a temperature of approximately 10,000,000 K and a luminosity of approximately 10 to the 35th ergs/s. The other explanation is based on a white dwarf remnant at a surface temperature of approximately 350,000 K. The observations represent the first detection of X-rays from a classical nova during outburst, including the decline stage.

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