BEACON: JWST NIRCam Pure-parallel Imaging Survey. IV. A Systematic Search for Galaxy Overdensities and Evidence for Gas Accretion Mode Transition
Astronomical Institute, Tohoku University（东北大学天文研究所）；IPAC, California Institute of Technology（加州理工学院IPAC）；Department of Astronomy, Indiana University（印第安纳大学天文学系）；Space Telescope Science Institute（太空望远镜科学研究所）；Department of Physics, University of Oxford（牛津大学物理系）；Stockholm University（斯德哥尔摩大学）
Ryo Albert Sutanto, Takahiro Morishita, Tadayuki Kodama, Abdurro'uf, Larry D. Bradley, Andrew J. Bunker, Nima Chartab, Nuo Chen, Matthew J. Hayes, George Helou,… 展开作者
Ryo Albert Sutanto, Takahiro Morishita, Tadayuki Kodama, Abdurro'uf, Larry D. Bradley, Andrew J. Bunker, Nima Chartab, Nuo Chen, Matthew J. Hayes, George Helou, Novan Saputra Haryana, Nicha Leethochawalit, Zhaoran Liu, Charlotte A. Mason, Marc Rafelski, Michael J. Rutkowski, Massimo Stiavelli, Kosuke Takahashi, Harry I. Teplitz, Michele Trenti, Tommaso Treu, Benedetta Vulcani, Yechi Zhang
备注：
30 pages, 13 figures, 2 tables. Accepted for publication in ApJ
We systematically search for galaxy overdensities using 20 independent fields with a minimum of six filters (F090W, F115W, F150W, F277W, F356W, and F444W) from BEACON, the JWST Cycle 2 NIRCam pure-parallel imaging survey. We apply an adaptive kernel-density estimation method that incorporates the full photometric redshift probability distribution function of each galaxy to map galaxy overdensities, and identify 207 significant ($>4\,σ$) overdensities at $1.5<z<5$. We measure the quenched-galaxy fraction, the median specific star formation rate (sSFR), the total halo mass, and the local galaxy density of each system. By investigating the correlation among these observables, we find that galaxy quenching proceeds in two paths:($i$) Overdensities within more massive halos exhibit higher quenched fractions and lower averaged sSFRs. This trend weakens at $z\gtrsim2$, consistent with cold gas streams penetrating shock-heated massive halos and sustaining star formation activity at early times. ($ii$) We also find a dependence of the same parameters on local densities at $z<2$, where the quenched fraction increases and the sSFR decreases toward higher densities. The environmental trend in sSFR weakens at $z\sim2$--$3$ and shows tentative evidence for a reversal at $z>3$, potentially due to a larger cold gas supply in earlier times. Our study reveals a complex interplay between individual galaxies and large-scale environmental properties, marking the onset of environmental effects on galaxy quenching in massive halos at cosmic noon.
BEACON: JWST NIRCam Pure-parallel Imaging Survey. II. Physical Properties of $z=7-14$ Galaxies
California Institute of Technology（加州理工学院）；Cosmic Dawn Center (DAWN)（宇宙黎明中心）；Niels Bohr Institute, University of Copenhagen（哥本哈根大学尼尔斯·玻尔研究所）；Indiana University（印第安纳大学）；Institut d’Astrophysique de Paris, CNRS, Sorbonne Université（巴黎天体物理研究所，法国国家科学研究中心，索邦大学）；University of Ljubljana（卢布尔雅那大学）；University of California Davis（加州大学戴维斯分校）；Space Telescope Science Institute (STScI)（太空望远镜科学研究所）
BEACON: JWST NIRCam Pure-parallel Imaging Survey. III. Constraints on the UV LF and the Clustering of z~7-14 Galaxies
Cosmic Dawn Center (DAWN)（宇宙黎明中心）；Niels Bohr Institute, University of Copenhagen（哥本哈根大学尼尔斯·玻尔研究所）；IPAC, California Institute of Technology（加州理工学院IPAC）；Astronomical Institute, Tohoku University（东北大学天文研究所）；National Astronomical Research Institute of Thailand (NARIT)（泰国国家天文研究所）；Department of Physics and Astronomy, University of California, Los Angeles（加州大学洛杉矶分校物理与天文学系）；School of Physics, The University of Melbourne（墨尔本大学物理学院）
Rest-Frame UV and Optical Structural Evolution of Narrowband-Selected Lyman-alpha Emitters at z = 2-7 with JWST/NIRCam
National Astronomical Observatory of Japan（日本国立天文台）；The University of Tokyo（东京大学）；Nara Prefectural University（奈良县立大学）；The Graduate University for Advanced Studies（综合研究大学院大学）；Tohoku University（东北大学）；EPFL（洛桑联邦理工学院）；Alma Mater Studiorum Università di Bologna（博洛尼亚大学）；INAF–Osservatorio di Astrofisica e Scienza dello Spazio di Bologna（意大利国家天体物理研究所博洛尼亚天文与空间科学观测站）；Universität Heidelberg（海德堡大学）
All the Massive Galaxy Overdensities during Reionization: JWST Rest-Frame Optical Selection Reveals Young, Chemically Evolved Galaxies Embedded in Dense, Neutral Gas at z > 5
Cosmic Dawn Center (DAWN)（宇宙黎明中心）；Niels Bohr Institute, University of Copenhagen（哥本哈根大学尼尔斯·玻尔研究所）；DTU Space, Technical University of Denmark（丹麦技术大学空间科学中心）；Institute of Science and Technology Austria (ISTA)（奥地利科学技术研究院）；MIT Kavli Institute for Astrophysics and Space Research（麻省理工学院卡弗里天体物理与空间研究所）；Department of Astronomy, University of Geneva（日内瓦大学天文系）；National Astronomical Observatory of Japan（日本国立天文台）；INAF/Osservatorio Astronomico di Roma（意大利国家天体物理研究所罗马天文台）
JWST Reveals a Galaxy-Wide Association of Red Supergiants with OB Stars in NGC 5584
School of Physics and Astronomy, China West Normal University（西华师范大学物理与天文学学院）；School of Physics and Astronomy, Beijing Normal University（北京师范大学物理与天文学院）；Institute for Frontiers in Astronomy and Astrophysics, Beijing Normal University（北京师范大学前沿天文与天体物理研究所）；CAS Key Laboratory of Optical Astronomy, National Astronomical Observatories, Chinese Academy of Sciences（中国科学院国家天文台光学天文重点实验室）
Double Trouble: Two spectroscopically confirmed low-mass quiescent galaxies at z>5 in overdensities
Niels Bohr Institute, University of Copenhagen（哥本哈根大学尼尔斯·玻尔研究所）；Cosmic Dawn Center (DAWN)（宇宙黎明中心）；DTU Space, Technical University of Denmark（丹麦技术大学DTU空间研究所）；INAF-Osservatorio Astrofisico di Arcetri（意大利国家天体物理研究所阿切特里天文台）；Institute for Astronomy, University of Edinburgh（爱丁堡大学天文学研究所）
Low Ly$α$ Visibility in Galaxy Overdensities: Reionization Topology and Neutral-Fraction Ceilings from DIVER over $4.8<z<11$
Steward Observatory, University of Arizona（亚利桑那大学斯图尔德天文台）；Institute for Astronomy, University of Edinburgh（爱丁堡大学天体物理研究所）；Department of Physics & Astronomy, University of California, Riverside（加州大学河滨分校物理与天文学系）；Department of Astronomy, Tsinghua University（清华大学天文系）；Department of Astronomy, Westlake University（西湖大学天文系）；School of Earth and Space Exploration, Arizona State University（亚利桑那州立大学地球与太空探索学院）；Department of Physics, University of Oxford（牛津大学物理系）
The RAdio Galaxy Environment Reference Survey (RAGERS): Evidence of an anisotropic distribution of submillimeter galaxies in the 4C 23.56 protocluster at z=2.48
ASPIRE: The Environments and Dark Matter Halos of Luminous Quasars in the Epoch of Reionization
University of Michigan（密歇根大学）；Steward Observatory, University of Arizona（亚利桑那大学斯图尔德天文台）；Space Telescope Science Institute（太空望远镜科学研究所）；University of California, Santa Barbara（加州大学圣塔芭芭拉分校）；Leiden Observatory, Leiden University（莱顿大学莱顿天文台）；Newcastle University（纽卡斯尔大学）；INAF–Osservatorio di Astrofisica e Scienza dello Spazio（意大利国家天体物理研究所空间科学与天体物理观测站）；Department of Astronomy, University of Geneva（日内瓦大学天文学系）
