X-ray bursts from GX 17+2: A new approach

Details X-ray bursts from GX 17+2: A new approach X-ray bursts from GX 17+2: A new approach

Mar 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986stin...8711678s&link_type=abstract

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Astronomy and Astrophysics

Astronomy

Solar Radio Bursts, X Ray Astronomy, X Ray Sources, Spectrum Analysis, Thermonuclear Explosions, Time Dependence, X Ray Density Measurement, X Ray Spectra

Scientific paper

A short (10 sec) and long (5 min) X-ray burst from GX 17+2, of maximum intensity 40% above persistent flux level, were detected. A time dependent spectral analysis of the long burst provides a consistent description of the intensity and spectral variations during the burst in terms of the luminosity (and temperature) variation of a hot blackbody (or blackbody-like) emitter. Outside the burst the blackbody component contributes 40% to the persistent emission. This result resolves ambiguity in the classification of bursts from GX 17+2 as type 1 or type 2, and indicates that, in spite of the absence of a distinct softening of the net burst emission, the bursts are due to thermonuclear flashes.

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