A Complex Super-Eddington Burst with Radius Expansion from X2127+119 in M15

Details A Complex Super-Eddington Burst with Radius Expansion from X2127+119 in M15 A Complex Super-Eddington Burst with Radius Expansion from X2127+119 in M15

May 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001aas...198.1205s&link_type=abstract

American Astronomical Society, 198th AAS Meeting, #12.05; Bulletin of the American Astronomical Society, Vol. 33, p.804

Astronomy and Astrophysics

Astronomy

Scientific paper

In 2000 September we observed a bright X-ray burst from X2127+119 with the Rossi X-ray Timing Explorer. This burst has a multi-peaked profile, a peak luminosity of 6.5x1038 erg s-1, a total integrated luminosity of ~2x1040ergs, and significant photospheric radius expansion to a maximum extent of 120 km. The 2000 September event is only the second burst ever observed from this globular cluster binary (in M15 = NGC 7078), and it shares many qualitative and quantitative characteristics with the event detected by Ginga in 1988 October (Dotani et al. 1990; van Paradijs et al. 1990), the key difference probably being the total amount of material consumed in the thermonuclear flash.

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