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A really strange quasar
See http://xxx.lanl.gov/pdf/astro-ph/0409215
It's difficult for me to explain but this study shows a strange couple of galaxy and quasar with very different z but a lot of common characteristics. The Stephan's Quintet is allways full of surprises. The observations are from Chandra and the spectroscopical analisys from LRIS attached to Keck 10m telescope on Hawaii. Luigi Caselli |
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