A quasar hiding behind two dusty absorbers. Quantifying the selection bias of metal-rich, damped Lyα absorption systems
The cosmic chemical enrichment as measured from damped Lyα absorbers (DLAs) will be underestimated if dusty and metal-rich absorbers have evaded identification. Here we report the discovery and present the spectroscopic observations of a quasar, KV-RQ 1500-0031, at z = 2.520 reddened by a likely dusty DLA at z = 2.428 and a strong Mg II absorber at
Heintz, K. E. et al.
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2018