Fluorescent Lyman α emission from gas near a QSO at redshift 4.28

Francis, Paul; McDonnell, Sunsanee

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Fluorescent Lyman α emission from gas near a QSO at redshift 4.28

Date

2006

Authors

Francis, Paul

McDonnell, Sunsanee

Publisher

Blackwell Publishing Ltd

Abstract

We use integral field spectroscopy with the Gemini North Telescope to detect probable fluorescent Lyman α (Lyα) emission from gas lying close to the luminous QSO PSS 2155+1358 at redshift 4.28. The emission is most likely coming not from primordial gas,