Studying the pre-periastron flare of GX 301-2

Details Studying the pre-periastron flare of GX 301-2 Studying the pre-periastron flare of GX 301-2

Oct 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007xmm..prop..159k&link_type=abstract

XMM-Newton Proposal ID #05552001

Astronomy and Astrophysics

Astronomy

White Dwarf Binaries, Neutron Star Binaries, Cataclysmic Variables, Ulxs, Black Holes, Gx 301-2, Xmm-Newton Proposal Id #05552001

Scientific paper

We propose the first observation of the bright neutron star GX 301-2 with XMM-Newton. The aim of the proposed 50ksec observation is a study the source's pre-periastron flare. This will allow us to analyze the structure (including density and clumpiness) of the gas stream flowing from Wray 977 to GX 301-2 which is intercepted by the neutron star prior to periastron passage giving rise to the pre-periastron flare. As the source is very bright during the flare, we will use the modified timing mode to obtain spectra with exceptional statistical quality. These data will then be used to study the evolution of h and the iron line with very high time resolution.

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