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The early early type: discovery of a passive galaxy at z=3
Raphaël Gobat, Veronica Strazzullo, Emanuele Daddi +6
We present the discovery of a massive, quiescent galaxy at z=2.99. We have obtained a HST/WFC3 spectrum of this object and measured its redshift from the detection of a deep 4000A…
The Molecular Gas Content of z = 3 Lyman Break Galaxies; Evidence of a non Evolving Gas Fraction in Main Sequence Galaxies at z > 2
G. E. Magdis, E. Daddi, M. Sargent +10
We present observations of the CO[3-2] emission towards two massive and infrared luminous Lyman Break Galaxies at z = 3.21 and z = 2.92, using the IRAM Plateau de Bure Interferomet…
SHARDS: an optical spectro-photometric survey of distant galaxies
Pablo G. Perez-Gonzalez, Antonio Cava, Guillermo Barro +26
(Abridged) We present the Survey for High-z Absorption Red and Dead Sources (SHARDS), an ESO/GTC Large Program carried out with GTC/OSIRIS. SHARDS is an ultra-deep optical spectro-…
Deep near-infrared spectroscopy of passively evolving galaxies at z>1.4
M. Onodera, A. Renzini, M. Carollo +21
[Abridged] We present the results of new near-IR spectroscopic observations of passive galaxies at z>1.4 in a concentration of BzK-selected galaxies in the COSMOS field. The observ…
Improved constraints on the expansion rate of the Universe up to z~1.1 from the spectroscopic evolution of cosmic chronometers
M. Moresco, A. Cimatti, Raul Jimenez +65
We present new improved constraints on the Hubble parameter H(z) in the redshift range 0.15 < z < 1.1, obtained from the differential spectroscopic evolution of early-type galaxies…