XMM-Newton Proposal 03023301

Details XMM-Newton Proposal 03023301 XMM-Newton Proposal 03023301

Oct 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004xmm..prop...81g&link_type=abstract

XMM-Newton Proposal ID #03023301

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Supernovae, Supernova Remnants, Diffuse (Galactic) Emission And Isolated Neutron Stars, Ngc 6888, Xmm-Newton Proposal 03023301

Scientific paper

Fast stellar winds from massive stars sweep up the surrounding gas to form bubbles. The shocked stellar wind reaches X-ray-emitting temperatures. Only two bubbles have been confirmed to emit diffuse X-rays: NGC 6888 and S 308. Both bubbles are blown by Wolf-Rayet stars, contain processed stellar material ejected by their progenitors, and have X-ray luminosity 1-2 orders of magnitude lower than theoretical predictions. Our 100 ks Chandra ACIS-S observations of the northeast quadrant of NGC 6888 present the first high-resolution image and clean spectrum of its diffuse X-ray emission. To obtain a global view of the physical structure of NGC 6888, we request a 30 ks XMM-Newton observation, which will otherwise take Chandra 300 ks for a similar mapping of the entire bubble.

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