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A Ring of X-rays from the Cartwheel Galaxy

Published online by Cambridge University Press:  12 April 2016

Ginevra Trinchieri ,
Anna Wolter  and
Angela Iovino
Ginevra Trinchieri
Affiliation:
Max-Planck-Institut für extraterrestrische Physik, D–85748 Garching, Germany Osservatorio Astronomico di Brera, via Brera 28, 1–20121 Milano, Italy
Anna Wolter
Affiliation:
Osservatorio Astronomico di Brera, via Brera 28, 1–20121 Milano, Italy
Angela Iovino
Affiliation:
Osservatorio Astronomico di Brera, via Brera 28, 1–20121 Milano, Italy

Abstract

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ROSAT HRI observations of the Cartwheel galaxy indicate that there is X-ray emission from the outer ring in connection with the strongest HII regions in the southern portion of the ring. No significant emission is detected from the nucleus or from the inner ring. This implies a strong connection between star formation activity and X-ray emission in this ring galaxy.

Type
Part IX External Galaxies
Information
International Astronomical Union Colloquium , Volume 166: The Local Bubble and Beyond , 1997 , pp. 551 - 554
Copyright
Copyright © Springer-Verlag 1998

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