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2002A&A...391..287W - Astronomy and Astrophysics, volume 391, 287-293 (2002/8-3)
X-ray emission from wind blown interstellar bubbles. IV. ROSAT HRI observations of NGC 6888.
WRIGGE M. and WENDKER H.J.
Abstract (from CDS):
We have observed the stellar wind blown bubble BBobject{NGC6888} with the ROSAT HRI. A map and a catalogue of X-ray filaments is derived, the typical filament being a few 0.1pc in extent with an HRI count rate of a few 10–4s–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.
Abstract Copyright: ∼
Journal keyword(s): ISM: bubbles - ISM: individual objects: NGC 6888 - ISM: general - X-rays: ISM
Nomenclature: Table 1: [WW2002] fNN (Nos f01-f36). Table A1: [WW2002] NN (Nos 1-14).
CDS comments: in ref list Dickel 1977A&AS...29..209D instead of A&A.29.269
Simbad objects: 52
