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Stellar populations and their kinematics from high and medium resolution spectra: mixed inversions
P. Ocvirk, C. Pichon, A. Lancon
We present inversion techniques aiming at recovering the stellar content (age, metallicity, extinction) and kinematics of a stellar population from its absorption line spectrum. Th…
The Clustering of Intergalactic Metals
Christophe Pichon, Evan Scannapieco, Bastien Aracil +4
We measure the spatial clustering of metals in the intergalactic medium from z = 1.7 to 3.0, as traced by 643 CIV and 104 SiIV N >= 10^12 cm^-2 absorption systems in 19 high signal…
Metals in the Intergalactic Medium
Bastien Aracil, Patrick Petitjean, Christophe Pichon +1
We use high spectral resolution (R=45000) and high signal-to-noise ratio (S/N \~ 35-70 per pixel) spectra of 19 high-redshift (2.1<z_em<3.2) quasars to investigate the metal conten…