Publications (43)
EDisCS -- the ESO Distant Cluster Survey -- Sample Definition and Optical Photometry
S. D. M. White, D. I. Clowe, L. Simard +23
We present the ESO Distant Cluster Survey (EDisCS) a survey of 20 fields containing distant galaxy clusters with redshifts ranging from 0.4 to almost 1.0. Candidate clusters were c…
The [OIII] emission line luminosity function of optically selected type-2 AGN from zCOSMOS
A. Bongiorno, M. Mignoli, G. Zamorani +61
We present a catalog of 213 type-2 AGN selected from the zCOSMOS survey. The selected sample covers a wide redshift range (0.15<z<0.92) and is deeper than any other previous study,…
Planetary Nebula Velocities in the Disk and Bulge of M31
C. Halliday, D. Carter, T. J. Bridges +10
We present radial velocities for a sample of 723 planetary nebulae (PNe) in the disk and bulge of M31, measured using the WYFFOS fibre spectrograph on the William Herschel telescop…
The Morphological Content of Ten EDisCS Clusters at 0.5 < z < 0.8
V. Desai, J. J. Dalcanton, A. Aragon-Salamanca +12
We describe Hubble Space Telescope (HST) imaging of 10 of the 20 ESO Distant Cluster Survey (EDisCS) fields. Each ~40 square arcminute field was imaged in the F814W filter with the…
Tracing the Star Stream Through M31 Using Planetary Nebula Kinematics
H. R. Merrett, K. Kuijken, M. R. Merrifield +12
We present a possible orbit for the Southern Stream of stars in M31, which connects it to the Northern Spur. Support for this model comes from the dynamics of planetary nebulae (PN…
Weak lensing mass reconstructions of the ESO Distant Cluster Survey
D. Clowe, P. Schneider, A. Aragon-Salamanca +12
We present weak lensing mass reconstructions for the 20 high-redshift clusters i n the ESO Distant Cluster Survey. The weak lensing analysis was performed on deep, 3-color optical…
Witnessing the assembly at z=1.6 of a galaxy cluster (GMASS ultradeep spectroscopy of galaxies at z~2 - V)
J. Kurk, A. Cimatti, G. Zamorani +12
We present a study of a galaxy overdensity at z=1.6, Cl 0332-2742, uncovered in the Galaxy Mass Assembly ultra-deep Spectroscopic Survey (GMASS). We conservatively estimate the ove…
GMASS Ultradeep Spectroscopy of Galaxies at z~2. III: The emergence of the color bimodality at z~2
P. Cassata, A. Cimatti, J. Kurk +12
The aim of this work is to study the evolution of the rest frame color distribution of galaxies with the redshift, in particular in the critical interval 1.4<z<3. We combine ultrad…
The fundamental plane of EDisCS galaxies - The effect of size evolution
R. P. Saglia, P. Sanchez-Blazquez, R. Bender +15
We study the evolution of spectral early-type galaxies in clusters, groups and the field up to redshift 0.9 using the EDisCS dataset. We measure Re, Ie, and sigma for 154 cluster a…
GMASS ultradeep spectroscopy of galaxies at z ~ 2 - VII. Star formation, extinction, and gas outflows from UV spectra
M. Talia, M. Mignoli, A. Cimatti +13
We use rest-frame UV spectroscopy to investigate the properties related to large-scale gas outflows, and to the dust extinction and star-formation rates of a sample of z ~ 2 star-f…
Intracluster light in clusters of galaxies at redshifts 0.4<z<0.8
L. Guennou, C. Adami, C. Da Rocha +27
The study of intracluster light can help us to understand the mechanisms taking place in galaxy clusters, and to place constraints on the cluster formation history and physical pro…
zCOSMOS - 10k-bright spectroscopic sample. The bimodality in the Galaxy Stellar Mass Function: exploring its evolution with redshift
L. Pozzetti, M. Bolzonella, E. Zucca +56
We present the Galaxy Stellar Mass Function (MF) up to z~1 from the zCOSMOS-bright 10k spectroscopic sample. We investigate the total MF and the contribution of ETGs and LTGs, defi…
The zCOSMOS survey: the role of the environment in the evolution of the luminosity function of different galaxy types
E. Zucca, S. Bardelli, M. Bolzonella +64
(Abridged) We studied the evolution in the B band luminosity function to z~1 in the zCOSMOS 10k sample, for which both accurate galaxy classifications and a detailed description of…
The X-ray properties of optically-selected z>0.6 clusters in the ESO Distant Cluster Survey
O. Johnson, P. Best, D. Zaritsky +11
We present XMM-Newton observations of three optically-selected z > 0.6 clusters from the ESO Distant Cluster Survey (EDisCS), comprising the first results of a planned X-ray survey…
Black hole accretion and host galaxies of obscured quasars in XMM-COSMOS
V. Mainieri, A. Bongiorno, A. Merloni +61
We explore the connection between black hole growth at the center of obscured quasars selected from the XMM-COSMOS survey and the physical properties of their host galaxies. We stu…
The build-up of the red-sequence in galaxy clusters since z~0.8
G. De Lucia, B. M. Poggianti, A. Aragon-Salamanca +10
We study the rest-frame (U-V) color-magnitude relation in 4 clusters at redshifts 0.7-0.8, drawn from the ESO Distant Cluster Survey. We confirm that red-sequence galaxies in these…
The Dependence of Star Formation Activity on Stellar Mass Surface Density and Sersic Index in zCOSMOS Galaxies at 0.5<z<0.9 Compared with SDSS Galaxies at 0.04<z<0.08
C. Maier, S. J. Lilly, G. Zamorani +56
One of the key unanswered questions in the study of galaxy evolution is what physical processes inside galaxies drive the changes in the SFRs in individual galaxies that, taken tog…
Tracking the impact of environment on the Galaxy Stellar Mass Function up to z~1 in the 10k zCOSMOS sample
M. Bolzonella, K. Kovac, L. Pozzetti +63
We study the impact of the environment on the evolution of galaxies in the zCOSMOS 10k sample in the redshift range 0.1<z<1.0 over an area of ~1.5 deg2. The considered sample of se…
The redshift evolution of early-type galaxies in COSMOS: Do massive early-type galaxies form by dry mergers?
C. Scarlata, C. M. Carollo, S. J. Lilly +26
ABRIDGED: We study the evolution since z~1 of the rest-frame B luminosity function of the early-type galaxies (ETGs) in ~0.7 deg^2 in the COSMOS field. In order to identify ALL pro…
GMASS Ultradeep Spectroscopy of Galaxies at 1.4<z<2. II. Superdense passive galaxies: how did they form and evolve ?
A. Cimatti, P. Cassata, L. Pozzetti +13
We combine ultradeep optical spectroscopy from the GMASS project ("Galaxy Mass Assembly ultradeep Spectroscopic Survey") with GOODS multi-band photometry and HST imaging to study a…
zCOSMOS 10k-bright spectroscopic sample: exploring mass and environment dependence in early-type galaxies
M. Moresco, L. Pozzetti, A. Cimatti +58
We present the analysis of the U-V rest-frame color distribution and some spectral features as a function of mass and environment for two sample of early-type galaxies up to z=1 ex…
GMASS Ultradeep Spectroscopy of Galaxies at redshift z~2. I. The stellar metallicity
C. Halliday, E. Daddi, A. Cimatti +12
Context: Galaxy metallicities have been measured to redshift z~2 by gas-phase oxygen abundances of the interstellar medium using the R23 and N2 methods. Galaxy stellar metallicitie…
Photometric redshifts and cluster tomography in the ESO Distant Cluster Survey
R. Pello, G. Rudnick, G. De Lucia +17
This paper reports the results obtained on the photometric redshifts measurement and accuracy, and cluster tomography in the ESO Distant Cluster Survey (EDisCS) fields. Photometric…
Spectroscopy of clusters in the ESO Distant Cluster Survey (EDisCS)
C. Halliday, B. Milvang-Jensen, S. Poirier +12
We present spectroscopic observations of galaxies in 4 clusters at z = 0.7-0.8 and in one cluster at z~0.5 obtained with the FORS2 spectrograph on the VLT as part of the ESO Distan…
Structure and substructure analysis of DAFT/FADA galaxy clusters in the [0.4-0.9] redshift range
L. Guennou, C. Adami, F. Durret +29
We analyse the structures of all the clusters in the DAFT/FADA survey for which XMM-Newton and/or a sufficient number of galaxy redshifts in the cluster range is available, with th…
AGN feedback at z~2 and the mutual evolution of active and inactive galaxies
A. Cimatti, M. Brusa, M. Talia +7
The relationships between galaxies of intermediate stellar mass and moderate luminosity active galactic nuclei (AGNs) at 1<z<3 are investigated with the Galaxy Mass Assembly ultra-…
The impact of galaxy interactions on AGN activity in zCOSMOS
J. D. Silverman, P. Kampczyk, K. Jahnke +52
Close encounters between galaxies are expected to be a viable mechanism, as predicted by numerical simulations, by which accretion onto supermassive black holes can be initiated. T…
The zCOSMOS-Bright survey: the clustering of early and late galaxy morphological types since z~1
S. de la Torre, O. Le Fèvre, C. Porciani +53
We measure the spatial clustering of galaxies as a function of their morphological type at z~0.8, for the first time in a deep redshift survey with full morphological information.…
K+a galaxies in the zCOSMOS Survey: Physical properties of systems in their post-starburst phase
D. Vergani, G. Zamorani, S. J. Lilly +59
The identities of the main processes triggering and quenching star-formation in galaxies remain unclear. A key stage in evolution, however, appears to be represented by post-starbu…
Line-of-sight velocity distributions of low-luminosity elliptical galaxies
C. Halliday, Roger L. Davies, Harald Kuntschner +4
The shape of the line-of-sight velocity distribution (LOSVD) is measured for a sample of 14 elliptical galaxies, predominantly low-luminosity ellipticals. The sample is dominated b…
The mass profile and dynamical status of the z~0.8 galaxy cluster LCDCS 0504
L. Guennou, A. Biviano, C. Adami +34
Constraints on the mass distribution in high-redshift clusters of galaxies are not currently very strong. We aim to constrain the mass profile, M(r), and dynamical status of the $z…
A deep kinematic survey of planetary nebulae in the Andromeda Galaxy using the Planetary Nebula Spectrograph
H. R. Merrett, M. R. Merrifield, N. G. Douglas +13
We present a catalogue of positions, magnitudes and velocities for 3300 emission-line objects found by the Planetary Nebula Spectrograph in a survey of the Andromeda Galaxy, M31. O…
Observing the build-up of the colour-magnitude relation at redshift ~0.8
G. De Lucia, B. M. Poggianti, A. Aragon-Salamanca +11
We analyse the rest-frame (U-V) colour-magnitude relation for 2 clusters at redshift 0.7 and 0.8, drawn from the ESO Distant Cluster Survey. By comparing with the population of red…
Listening to galaxies tuning at z ~ 2.5 - 3.0: The first strikes of the Hubble fork
M. Talia, A. Cimatti, M. Mignoli +4
We investigate the morphological properties of 494 galaxies selected from the GMASS survey at z>1, primarily in their optical rest frame, using HST images, from the CANDELS survey.…
Dissecting Photometric redshift for Active Galactic Nuclei using XMM- and Chandra-COSMOS samples
M. Salvato, O. Ilbert, G. Hasinger +61
With this paper, we release accurate photometric redshifts for 1692 counterparts to Chandra sources in the central square degree of the COSMOS field. The availability of a large tr…
Evolution of Cluster Red-Sequence Galaxies from redshift 0.8 to 0.4: ages, metallicities and morphologies
P. Sanchez-Blazquez, P. Jablonka, S. Noll +14
We present a comprehensive analysis of the stellar population properties (age, metallicity and the alpha-element enhancement [E/Fe]) and morphologies of red-sequence galaxies in 24…
Nuclear stellar discs in low-luminosity elliptical galaxies: NGC 4458 and NGC 4478
L. Morelli, C. Halliday, E. M. Corsini +7
We present the detection of nuclear stellar discs in the low-luminosity elliptical galaxies NGC 4458 and NGC 4478, which are known to host a kinematically-decoupled core. Using arc…
The evolution of the star formation activity in galaxies and its dependence on environment
B. M. Poggianti, A. von der Linden, G. De Lucia +16
We study how the proportion of star-forming galaxies evolves between z=0.8 and z=0 as a function of galaxy environment, using the [OII] line in emission as a signature of ongoing s…
The zCOSMOS Redshift Survey: How group environment alters global downsizing trends
A. Iovino, O. Cucciati, M. Scodeggio +56
We took advantage of the wealth of information provided by the first ~10000 galaxies of the zCOSMOS-bright survey and its group catalogue to study the complex interplay between gro…
The zCOSMOS redshift survey: the three-dimensional classification cube and bimodality in galaxy physical properties
M. Mignoli, G. Zamorani, M. Scodeggio +56
Aims. We investigate the relationships between three main optical galaxy observables (spectral properties, colours, and morphology), exploiting the data set provided by the COSMOS/…
Mapping the Stellar Dynamics of M31
Helen Merrett, M. Merrifield, K. Kuijken +12
Using the Planetary Nebula Spectrograph, we have observed and measured the velocities for some 2764 PNe in the disk and halo of the Andromeda galaxy. Preliminary analysis using a b…
Properties and environment of Radio Emitting Galaxies in the VLA-zCOSMOS survey
S. Bardelli, E. Schinnerer, V. Smolcic +62
We investigate the properties and the environment of radio sources with optical counterpart from the combined VLA-COSMOS and zCOSMOS samples. The advantage of this sample is the av…
GMASS ultradeep spectroscopy of galaxies at z ~ 2. IV. The variety of dust populations
S. Noll, D. Pierini, A. Cimatti +14
The properties of dust attenuation at rest-frame UV wavelengths are inferred from very high-quality FORS2 spectra of 78 galaxies from the GMASS survey at 1<z<2.5. These objects com…