Damped Lyman-α Absorbers bias: measurement and evolution
Abstract
We present an update on the measurement of the Damped Lyman-α Absorbers (DLAs) bias from the cross-correlation of DLA and the Lyman-α forest. We also use an upgraded method to deal with the broadband function problems. In our analysis, we use of the final Data Release of BOSS. We find the bias of the DLA to be b_d = 1.90 plusmn;0.11. With the improved statistics, we explore the evolution of the DLA bias with column density and redshift. We find no clear evidence of any evolution in neither of them. This means that the dark matter halos hosting the DLA are essentially the same independently of the properties of the DLA.
- Publication:
-
Highlights on Spanish Astrophysics IX
- Pub Date:
- March 2017
- Bibcode:
- 2017hsa9.conf..193P