Astronomy and Astrophysics – Astrophysics
Scientific paper
Aug 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002a%26a...391..287w&link_type=abstract
Astronomy and Astrophysics, v.391, p.287-293 (2002)
Astronomy and Astrophysics
Astrophysics
7
Ism: Bubbles, Ism: Individual Objects: \Object{Ngc 6888
Scientific paper
We have observed the stellar wind blown bubble NGC 6888 with the ROSAT HRI. A map and a catalogue of X-ray filaments is derived, the typical filament being a few 0.1 pc in extent with an HRI count rate of a few 10-4 s-1. We show that this filamentary structure can qualitatively be modelled as local count rate enhancements due to denser gas near evaporating cool clumps which in turn are seen in the optical and probably are produced by instabilities after the passage of the primary shock front of the expanding bubble.
Wendker Heinrich J.
Wrigge M.
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