The Zurich Environmental Study of Galaxies in Groups along the Cosmic Web. III. Galaxy Photometric Measurements and the Spatially-Resolved Color Properties of Early- and Late-Type Satellites in Diverse Environments
A. Cibinel, C. M. Carollo, S. J. Lilly, S. Bonoli, F. Miniati, A. Pipino, J. D. Silverman, J. H. van Gorkom, E. Cameron, A. Finoguenov, P. Norberg, Y. Peng, C. S. Rudick
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32 pages, 21 figures. Accepted by ApJ, Publication date October 20, 2013. This version contains major changes relative to v1: The entire ZENS sample is reduced and analyzed, results are based on the entire sample
We present photometric measurements for the galaxies - and when possible their bulges and disks - in the 0.05<z<0.0585 groups of the Zurich Environmental Study (ZENS); these measurements include (B-I) colors, color gradients and maps, color dispersions, as well as stellar masses and star-formation rates. The ZENS galaxies are classified into quenched, moderately star-forming, and strongly star-forming using a combination of spectral features and FUV-to-optical colors; this approach optimally distinguishes quenched systems from dust-reddened star-forming galaxies. The latter contribute up to 50% to the (B-I) "red sequence" at ~10^10Msun. At fixed morphological or spectral type, we find that galaxy stellar masses are largely independent of environment, and especially of halo mass. As a first utilization of our photometric database, we study, at fixed stellar mass and Hubble type, how (B-I) colors, color gradients and color dispersion of disk satellites depend on group mass (M_GROUP), group-centric distance (R/R_200) and large-scale structure overdensity. The strongest environmental trend is found for disk-dominated satellites with M_GROUP and R/R_200. At M<10^10 Msun, disk-dominated satellites are redder in the inner regions of the groups than in the outer parts. At M>10^10 Msun, these satellites have shallower color gradients in higher mass groups and in the cores of groups compared with lower mass groups and the outskirts of groups. Stellar population analyses and semi-analytic models suggest that disk-dominated satellites undergo quenching of star formation in their outer disks, on timescales ~2 Gyr, as they progressively move inside the group potential.
The Zurich Environmental Study (ZENS) of Galaxies in Groups along the Cosmic Web. II. Galaxy Structural Measurements and the Concentration of Morphologically Classified Satellites in Diverse Environments
The Zurich Environmental Study (ZENS) of Galaxies in Groups along the Cosmic Web. V. Properties and Frequency of Merging Satellites and Centrals in Different Environments
Photometric Objects Around Cosmic Webs (PAC) Delineated in a Spectroscopic Survey. IV. High Precision Constraints on the Evolution of Stellar-Halo Mass Relation at Redshift $z<0.7$
Photometric Objects Around Cosmic Webs (PAC) Delineated in a Spectroscopic Survey. III. Accurate Measurement of Galaxy Stellar Mass Function with the Aid of Cosmological Redshift Surveys
Confirmation of Intervening Filaments of Galaxies at the Redshifts of $Chandra$ WHIM Absorption Features
利用$a~posteriori$方法证实了在耀变体1 ES ~1553+113的视线方向上存在两个大尺度的暗条，这两个暗条对应于温暖-炽热星系际介质（WHIM）在X射线和远紫外波段的吸收特征。我们使用WISE-SuperCOSMOS测光表来绘制耀变体方向的宇宙网，并在红移为$z=0.23\pm0.02$和$z=0.31\pm0.02$的位置发现了重要的细丝，它们与吸收红移大致一致。$z_X=0.133$的第三个X射线吸收特征在光度目录中没有任何对应的结构。
Unveiling the small-scale web around galaxies with miniJPAS and DESI
Max-Planck Institute for Astrophysics（马克斯·普朗克天体物理学研究所）；Kavli IPMU (WPI), UTIAS, The University of Tokyo（理化学研究所木下原宇宙起源研究核心理论中心（ Kavli IPMU）、东京大学宇宙射线研究所、东京大学）；Donostia International Physics Center (DIPC)（圣塞巴斯蒂安国际物理中心）；IKERBASQUE, Basque Foundation for Science（伊克尔巴斯基克科学基金会）；Hamburger Sternwarte, Universität Hamburg（汉堡天文台，汉堡大学）；Instituto de Astrofísica de Andalucía (IAA-CSIC)（安达卢西亚天体物理学研究所）；Tartu Observatory, University of Tartu（塔尔图天文台，塔尔图大学）；Estonian Academy of Sciences（爱沙尼亚科学院）；Departamento de Física Matemática, Instituto de Física, Universidade de São Paulo（圣保罗大学数学物理系、物理研究所）；Observatori Astronòmic de la Universitat de València（瓦伦西亚大学天文台）；Departament d’Astronomia i Astrofísica, Universitat de València（瓦伦西亚大学天文学与天体物理学系）；Departamento de Física, Universidade Federal do Espírito Santo（圣埃斯皮里图联邦大学物理系）
Euclid preparation. Establishing the quality of the 2D reconstruction of the filaments of the cosmic web with DisPerSE using Euclid photometric redshifts
