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Nuclear activity versus star formation: emission-line diagnostics at ultraviolet and optical wavelengths
Anna Feltre, Stephane Charlot, Julia Gutkin
In the context of observations of the rest-frame ultraviolet and optical emission from distant galaxies, we explore the emission-line properties of photoionization models of active…
The HerMES sub-millimetre local and low-redshift luminosity functions
L. Marchetti, M. Vaccari, A. Franceschini +44
We used wide area surveys over 39 deg by the HerMES collaboration, performed with the Herschel Observatory SPIRE multi-wavelength camera, to estimate the low-redshift, $0.02<z<…
Spectroscopic detection of CIV in a galaxy at z=7.045: Implications for the ionizing spectra of reionization-era galaxies
Daniel P. Stark, Gregory Walth, Stephane Charlot +9
We present Keck/MOSFIRE observations of UV metal lines in four bright gravitationally-lensed z~6-8 galaxies behind the cluster Abell 1703. The spectrum of A1703-zd6, a highly-magni…
A complete census of silicate features in the mid-infrared spectra of active galaxies
Evanthia Hatziminaoglou, Antonio Hernán-Caballero, Anna Feltre +1
We present a comprehensive study of the silicate features at 9.7 and 18 micron of a sample of almost 800 active galactic nuclei (AGN) with available spectra from the Spitzer InfraR…