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Quasar -- CIV forest cross-correlation with SDSS DR12
Satya Gontcho A Gontcho, Jordi Miralda-Escudé, Andreu Font-Ribera +3
We present a new determination of the large-scale clustering of the CIV forest (i.e., the absorption due to all CIV absorbers) using its cross-correlation with quasars in the Sloan…
Correlations in the three-dimensional Lyman-alpha forest contaminated by high column density absorbers
Keir K. Rogers, Simeon Bird, Hiranya V. Peiris +3
Correlations measured in three dimensions in the Lyman-alpha forest are contaminated by the presence of the damping wings of high column density (HCD) absorbing systems of neutral…
How to estimate the 3D power spectrum of the Lyman- forest
Andreu Font-Ribera, Patrick McDonald, Anže Slosar
We derive and numerically implement an algorithm for estimating the 3D power spectrum of the Lyman- (Ly-) forest flux fluctuations. The algorithm exploits the unique geometry…
First Data Release of the COSMOS Lyman-Alpha Mapping And Tomography Observations: 3D Lyman- Forest Tomography at 2.05 < z < 2.55
Khee-Gan Lee, Alex Krolewski, Martin White +21
Faint star-forming galaxies at can be used as alternative background sources to probe the Lyman- forest in addition to quasars, yielding high sightline densities tha…
The SDSS-DR12 large-scale cross-correlation of Damped Lyman Alpha Systems with the Lyman Alpha Forest
Ignasi Pérez-Ràfols, Andreu Font-Ribera, Jordi Miralda-Escudé +9
We present a measurement of the DLA mean bias from the cross-correlation of DLA and the Ly forest, updating earlier results of Font-Ribera et al. 2012 with the final BOSS Data R…
Baryon acoustic oscillations from the complete SDSS-III Ly-quasar cross-correlation function at
Hélion du Mas des Bourboux, Jean-Marc Le Goff, Michael Blomqvist +22
We present a measurement of baryon acoustic oscillations (BAO) in the cross-correlation of quasars with the Ly-forest flux-transmission at a mean redshift . The measurem…
Simulating the effect of high column density absorbers on the one-dimensional Lyman-alpha forest flux power spectrum
Keir K. Rogers, Simeon Bird, Hiranya V. Peiris +3
We measure the effect of high column density absorbing systems of neutral hydrogen (HI) on the one-dimensional (1D) Lyman-alpha forest flux power spectrum using cosmological hydrod…
Measurement of BAO correlations at with SDSS DR12 \lya-Forests
Julian E. Bautista, Nicolás G. Busca, Julien Guy +24
We use flux-transmission correlations in \Lya forests to measure the imprint of baryon acoustic oscillations (BAO). The study uses spectra of 157,783 quasars in the redshift range…