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The properties of He II 1640 emitters at z ~ 2.5-5 from the VANDELS survey
A. Saxena, L. Pentericci, M. Mirabelli +24
Strong He II emission is produced by low-metallicity stellar populations. Here, we aim to identify and study a sample of He II -emitting galaxies at redshifts of $z \sim 2.5…
Discovery of a galaxy overdensity around a powerful, heavily obscured FRII radio galaxy at z=1.7: star formation promoted by large-scale AGN feedback?
R. Gilli, M. Mignoli, A. Peca +25
We report the discovery of a galaxy overdensity around a Compton-thick Fanaroff-Riley type II (FRII) radio galaxy at z=1.7 in the deep multiband survey around the z=6.3 QSO SDSS J1…
The VIMOS Public Extragalactic Redshift Survey (VIPERS) -- Environment-size relation of massive passive galaxies at 0.5 < z < 0.8
A. Gargiulo, O. Cucciati, B. Garilli +36
We use the statistics of the VIPERS survey to investigate the relation between the surface mean stellar mass density Sigma=Mstar/(2*pi*Re^2) of massive passive galaxies (MPGs, Msta…
Euclid preparation III. Galaxy cluster detection in the wide photometric survey, performance and algorithm selection
Euclid Collaboration, R. Adam, M. Vannier +56
Galaxy cluster counts in bins of mass and redshift have been shown to be a competitive probe to test cosmological models. This method requires an efficient blind detection of clust…
How Do Galaxies trace a large scale structure?: A case study around a massive protocluster at
Ke Shi, Yun Huang, Kyoung-Soo Lee +7
In the hierarchical theory of galaxy formation, a galaxy overdensity is a hallmark of a massive cosmic structure. However, it is less well understood how different types of galaxie…
Establishing a New Technique for Discovering Large-Scale Structure Using the ORELSE Survey
D. Hung, B. C. Lemaux, R. R. Gal +10
The Observations of Redshift Evolution in Large Scale Environments (ORELSE) survey is an ongoing imaging and spectroscopic campaign initially designed to study the effects of envir…