HST/COS observations of QSOs within 600kpc of M31
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https://b2find.eudat.eu/dataset/90ddf7fa-2898-5d73-83f6-827a59b18411
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We demonstrate the presence of an extended and massive circumgalactic medium (CGM) around Messier 31 using archival HST Cosmic Origins Spectrograph ultraviolet spectroscopy of...
