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The Cosmological Bias Factor of Damped Lyman Alpha systems: Dependence on Metal Line Strength
Ignasi Pérez-Ràfols, Jordi Miralda-Escudé, Andreu Arinyo-i-Prats +2
We measure the cosmological bias factor of DLAs from their cross-correlation with the Ly forest absorption, as a function of the DLA metal strength, defined from an average of e…
A metal-line strength indicator for Damped Lyman Alpha (DLA) systems at low signal-to-noise
Andreu Arinyo-i-Prats, Lluis Mas-Ribas, Jordi Miralda-Escude +2
The Baryon Oscillation Spectroscopic Survey of SDSS-III has provided an unprecedentedly large sample of Damped \lya systems (DLAs), the largest repositories of neutral hydrogen in…
The Mean Metal-line Absorption Spectrum of DLAs in BOSS
Lluís Mas-Ribas, Jordi Miralda-Escudé, Ignasi Pérez-Ràfols +6
We study the mean absorption spectrum of the Damped Lyman alpha population at by stacking normalized, rest-frame shifted spectra of DLAs from the DR12 of…