Astronomy and Astrophysics – Astrophysics
Scientific paper
Jan 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998stin...0057335h&link_type=abstract
Technical Report, Smithsonian Astrophysical Observatory Cambridge, MA United States
Astronomy and Astrophysics
Astrophysics
X Rays, Emission Spectra, Asymmetry, Elliptical Galaxies, Virgo Galactic Cluster, Rosat Mission, High Resolution, Images, Maps, Spatial Resolution, Image Processing, Cluster Analysis, Image Analysis, Shock Fronts
Scientific paper
We describe asymmetrical features in a long exposure X-ray map of M87 made with the ROSAT High Resolution Imager (HRI). A bright triangular region is marked by a linear 'spur' along one edge. The structure of this spur suggests an interpretation of a tangential view of a shock front 18 kpc long. None of the brighter features are spatially coincident with radio or optical structures so we concur with earlier investigators that most of the emission arises from thermal processes.
Biretta John A.
Harris Daniel E.
Junor William
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