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Spectrophotometric properties of galaxies at intermediate redshifts (z ~ 0.2--1.0) II. The Luminosity -- Metallicity relation
Fabrice Lamareille, Thierry Contini, Jarle Brinchmann +3
We present the gas-phase oxygen abundance (O/H) for a sample of 131 star-forming galaxies at intermediate redshifts (). The sample selection, the spectroscopic observati…
Looking for z>7 galaxies with the Gravitational Telescope
R. Pello, J. Richard, D. Schaerer +3
We summarize the main results obtained recently by our group on the identification and study of very high-z galaxies (z>7) using lensing clusters as natural gravitational telescope…
ISAAC/VLT observations of a lensed galaxy at z=10.0
R. Pello, D. Schaerer, J. Richard +2
We report the first likely spectroscopic confirmation of a z 10.0 galaxy from our ongoing search for distant galaxies with ISAAC/VLT. Galaxy candidates at z >~ 7 are selected from…
STELIB: a library of stellar spectra at R~2000
J. -F. Le Borgne, G. Bruzual, R. Pello +6
We present STELIB, a new spectroscopic stellar library, available at http://webast.ast.obs-mip.fr/stelib . STELIB consists of an homogeneous library of 249 stellar spectra in the v…
A ring galaxy at z=1 lensed by the cluster Abell 370
G. Soucail, J. P. Kneib, J. Bezecourt +3
We present a study of a very peculiar object found in the field of the cluster-lens Abell 370. This object displays, in HST imaging, a spectacular morphology comparable to nearby r…
Spectroscopic Confirmation of Redshifts Predicted by Gravitational Lensing
Tim Ebbels, Richard Ellis, Jean-Paul Kneib +4
We present deep spectroscopic measurements of 18 distant field galaxies identified as gravitationally-lensed arcs in a Hubble Space Telescope image of the cluster Abell 2218. Redsh…
X-ray analysis and matter distribution in the lens-cluster Abell 2390
M. Pierre, J. F. Le Borgne, G. Soucail +1
We present a deep X-ray ROSAT/HRI observation of the rich cluster-lens Abell 2390 and the analysis of the gas and matter distribution in the cluster. The X-ray centroid coincides w…
Dynamics of Abell 2218 from optical and near-IR imagery of arc(let)s and ROSAT/HRI X-ray map
J. -P. Kneib, Y. Mellier, R. Pello +4
A mass model of the rich cluster A2218 is presented based on optical and new near-infrared images of arc(let)s and the ROSAT/HRI X-ray map. A lensing model is proposed with two dar…