The extended ionized gas around the z = 2 . 44 radio galaxy MRC 0406-244 : the nature of the superbubbles and the optical line brightness asymmetries


In this letter, we investigate the nature of the dramatic ‘super-bubble’ emission structures associated with the z=2.44 radio galaxy MRC 0406-244, using rest-frame optical spectroscopy and an archival HST NICMOS image. Based on the optical line ratios and the HST morphology, we conclude that the gas in the superbubbles is photoionized by the obscured active… (More)

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