An X-ray exploration of a wind bowshock from a single star

Details An X-ray exploration of a wind bowshock from a single star An X-ray exploration of a wind bowshock from a single star

Oct 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009xmm..prop..132z&link_type=abstract

XMM-Newton Proposal ID #06536901

Computer Science

Stars, White Dwarfs, Solar System, Bd+43 3654

Scientific paper

BD+43 3654 is a very massive runaway star likely formed in the central region of Cygnus OB2 association. The interaction of its strong wind with the local interstellar medium has produced a bow shock that has been detected at the infrared with the MSX. Multifrequency VLA observations carried out by us show a radio structure clearly correlated with the MSX bow shock and a non-thermal component located at the infrared emission peak position. This indicates that a relativistic population of electrons is present in the shock. This particle population can produce a non-thermal X-ray component, in addition to the thermal component associated with the shocked gas. We propose to detect for the first time the X-ray emission from the bow shock produced by a runaway young hot star.

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