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The spatial clustering of X-ray selected AGN in the XMM-COSMOS field
R. Gilli, G. Zamorani, T. Miyaji +70
We study the spatial clustering of 538 X-ray selected AGN in the 2 deg^2 XMM-COSMOS field that are spectroscopically identified to I_{AB}<23 and span the redshift range z=0.2-3.0.…
COSMOS Photometric Redshifts with 30-bands for 2-deg2
O. Ilbert, P. Capak, M. Salvato +60
We present accurate photometric redshifts in the 2-deg2 COSMOS field. The redshifts are computed with 30 broad, intermediate, and narrow bands covering the UV (GALEX), Visible-NIR…
Star formation rates in Lyman break galaxies: radio stacking of LBGs in the COSMOS field and the sub-Jy radio source population
C. L. Carilli, Nicholas Lee, P. Capak +10
We present an analysis of the radio properties of large samples of Lyman Break Galaxies (LBGs) at , 4, and 5 from the COSMOS field. The median stacking analysis yields a…
Clustering Properties of Low-Luminosity Star-Forming galaxies at z = 0.24 and 0.40 in the Subaru Deep Field
Aki Nakajima, Yasuhiro Shioya, Tohru Nagao +5
We present our analysis on the clustering properties of star-forming galaxies selected by narrow-band excesses in the Subaru Deep Field. Specifically we focus on Halpha emitting ga…
Star-Forming Galaxies at z=0.24 in the Subaru Deep Field and the Sloan Digital Sky Survey
Taichi Morioka, Aki Nakajima, Yoshiaki Taniguchi +3
We make a search for Halpha emitting galaxies at z=0.24 in the Subaru Deep Field (SDF) using the archival data set obtained with the Subaru Telescope. We carefully select Halpha em…
Characteristic Scales of Initial Density and Velocity Fields
H. Mouri, Y. Taniguchi
For the initial fields of the density contrast and peculiar velocity, we theoretically calculate the differential and integral length scales, i.e., statistical measures that respec…
Star Forming Galaxies at z > 5
Yoshi Taniguchi
We present recent progress in searching for galaxies at redshift from z = 5 to z = 10. Wide-field and senstive surveys with 8m class telescopes have been providing more than severa…
A photometric survey for Lyalpha-HeII dual emitters: Searching for Population III stars in high-redshift galaxies
Tohru Nagao, Shunji Sasaki, Roberto Maiolino +9
We present a new photometric search for high-z galaxies hosting Population III (PopIII) stars based on deep intermediate-band imaging observations obtained in the Subaru Deep Field…
Gemini GMOS IFU Spectroscopy of IRAS 04505-2958: A New Exploding BAL + IR + Fe II QSO
S. Lipari, M. Bergmann, S. Sanchez +7
New results of a Programme of study of BAL + IR + Fe II QSOs (at low and high redshift) are presented. Which are based mainly on deep Gemini GMOS integral field unit (IFU/3D) spect…
The Role of Exploding QSOs in Explosive Models of Evolution, Formation and End of Galaxies
S. Lipari, M. Bergmann, S. F. Sanchez +7
In this work we analise the role and evidence of exploding BAL + IR + Fe II QSOs, and their relation with new -and previous- explosive models for evolution, formation and end of ga…
High-redshift Ly alpha emitters with a large equivalent width: Properties of i-dropout galaxies with an NB921-band depression in the Subaru Deep Field
Tohru Nagao, Takashi Murayama, Roberto Maiolino +11
We report new follow-up spectroscopy of i-dropout galaxies with an NB921-band depression found in the Subaru Deep Field. The NB921-depressed i-dropout selection method is expected…
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…
The HI content of star-forming galaxies at z = 0.24
Philip Lah, Jayaram N. Chengalur, Frank H. Briggs +12
We use observations from the Giant Metrewave Radio Telescope (GMRT) to measure the atomic hydrogen gas content of star-forming galaxies at z = 0.24 (i.e. a look-backtime of ~3 Gyr)…
Deep GALEX Imaging of the HST/COSMOS Field: A First Look at the Morphology of z~0.7 Star-forming Galaxies
M. A. Zamojski, D. Schiminovich, R. M. Rich +34
We present a study of the morphological nature of redshift z~0.7 star-forming galaxies using a combination of HST/ACS, GALEX and ground-based images of the COSMOS field. Our sample…
Radio and millimeter properties of Ly emitters in the COSMOS field: limits on radio AGN, submm galaxies, and dust obscuration
C. L. Carilli, T. Murayam, R. Wang +12
We present observations at 1.4 and 250 GHz of the Ly emitters (LAE) in the COSMOS field found by Murayama et al.. At 1.4 GHz there are 99 LAEs in the lower noise reg…
The XMM-Newton wide-field survey in the COSMOS field: VI. Statistical properties of clusters of galaxies
A. Finoguenov, L. Guzzo, G. Hasinger +30
We present the results of a search for galaxy clusters in the first 36 XMM-Newton pointings on the COSMOS field. We reach a depth for a total cluster flux in the 0.5-2 keV band of…
The XMM-Newton wide-field survey in the COSMOS field: III. optical identification and multiwavelength properties of a large sample of X-ray selected sources
M. Brusa, G. Zamorani, A. Comastri +31
[ABRIGED] We present the optical identification of a sample of 695 X-ray sources detected in the first 1.3 deg^2 of the XMM-COSMOS survey, down to a 0.5-2 keV (2-10 keV) limiting f…
The stellar content of the COSMOS field as derived from morphological and SED based gtar/galaxy Separation
A. C. Robin, R. M. Rich, H. Aussel +12
We report on the stellar content of the COSMOS two degree field, as derived from a rigorous star/galaxy separation approach developed for using stellar sources to define the point…
The Cosmic Evolution Survey (COSMOS) -- Overview
N. Scoville, H. Aussel, M. Brusa +19
The Cosmic Evolution Survey (COSMOS) is designed to probe the correlated evolution of galaxies, star formation, active galactic nuclei (AGN) and dark matter (DM) with large-scale s…
zCOSMOS: A Large VLT/VIMOS redshift survey covering 0 < z < 3 in the COSMOS field
S. J. Lilly, O. Le Fevre, A. Renzini +42
zCOSMOS is a large redshift survey that is being undertaken in the COSMOS field using 600 hours of observation with the VIMOS spectrograph on the 8-m VLT. The survey is designed to…
COSMOS morphological classification with ZEST (the Zurich Estimator of Structural Types) and the evolution since z=1 of the Luminosity Function of early-, disk-, and irregular galaxies
C. Scarlata, C. M. Carollo, S. J. Lilly +26
(ABRIDGED) Motivated by the desire to reliably and automatically classify structure of thousands of COSMOS galaxies, we present ZEST, the Zurich Estimator of Structural Types. To c…
A wide angle tail radio galaxy in the COSMOS field: evidence for cluster formation
V. Smolcic, E. Schinnerer, A. Finoguenov +19
We have identified a complex galaxy cluster system in the COSMOS field via a wide angle tail (WAT) radio galaxy consistent with the idea that WAT galaxies can be used as tracers of…
Simulating the COSMOS: The fraction of merging galaxies at high redshift
P. Kampczyk, S. J. Lilly, C. M. Carollo +6
Simulations of nearby (0.015 < z < 0.025) SDSS galaxies have been used to reproduce as accurately as possible the appearance that they would have on COSMOS ACS images if they had b…
The Zurich Extragalactic Bayesian Redshift Analyzer (ZEBRA) and its first application: COSMOS
R. Feldmann, C. M. Carollo, C. Porciani +21
We present ZEBRA, the Zurich Extragalactic Bayesian Redshift Analyzer. The current version of ZEBRA combines and extends several of the classical approaches to produce accurate pho…