ISM Stripping and IGM Building in a compact groups of galaxies | ||||
Minimum credit line: Image courtesy of ESA. (for details, see Conditions of Use). Credit: ESA/XMM-Newton, CC BY-SA 3.0 IGO The image above can be displayed at full size and may be downloaded by clicking the image above. |
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Stephan's Quintet (SQ) has intrigued astronomers since its discovery
at the Observatoire de Marseille in the 19th century. Originally a quintet, it became a quartet when the brightest galaxy was declared a foreground object unrelated to the other four members that share
similar redshifts. More recently the quintet was re-established when
a fainter galaxy east of the other four was discovered at the same
redshift. Investigator(s): G. Trinchieri, W. Pietsch, J. Sulentic. D. Breitschwerdt
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