A Metallicity-Spin Temperature Relation in Damped Lyα Systems

Kanekar, N; Smette, Alain; Briggs, Franklin; Chengalur, Jayaram

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A Metallicity-Spin Temperature Relation in Damped Lyα Systems

Date

2009

Authors

Kanekar, N

Smette, Alain

Briggs, Franklin

Chengalur, Jayaram

Publisher

IOP Publishing

Abstract

We report evidence for an anti-correlation between spin temperature Ts and metallicity [Z/H], detected at 3.6σ significance in a sample of 26 damped Lyα absorbers (DLAs) at redshifts 0.09 < z < 3.45. The anti-correlation is detected at 3σ significance