The Intracluster Light Analysis of the Most Evolved Systems of Galaxies: Fossil Groups by Nícolas O. L. de Oliveira, Yolanda Jiménez-Teja, Renato A. Dupke, Eleazar R. Carrasco, Anton M. Koekemoer, Yuanyuan Su, Jose Manuel Vilchez, Jimmy A. Irwin, Eric D. Miller, Lucas E. Johnson

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Improving the Determination of Supernova Cosmological Redshifts by Using Galaxy Groups by Erik R. Peterson, Bastien Carreres, Anthony Carr, Daniel Scolnic, Ava Bailey, Tamara M. Davis, Dillon Brout, Cullan Howlett, David O. Jones, Adam G. Riess, Khaled Said, Georgie Taylor

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MeerKAT H i Observations of Low Surface Brightness/Ultradiffuse Galaxy Candidates Projected around Two Southern Loose Groups by Chandreyee Sengupta, Tom C. Scott, Hao Chen, Hyein Yoon, Yogesh Chandola, Mengtian Li, Gyula I. G. Józsa, O. Ivy Wong, Yin-Zhe Ma, Patricio Lagos, Ruta Kale, Denis Tramonte

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Luminosity and Stellar Mass Functions of Faint Photometric Satellites around Spectroscopic Central Galaxies from DESI Year-1 Bright Galaxy Survey by Wenting Wang, Xiaohu Yang, Yipeng Jing, Ashley J. Ross, Malgorzata Siudek, John Moustakas, Samuel G. Moore, Shaun Cole, Carlos Frenk, Jiaxi Yu, Sergey E. Koposov, Jiaxin Han, Zhenlin Tan, Kun Xu, Yizhou Gu, Yirong Wang, Oleg Y. Gnedin, Jessica Nicole Aguilar, Steven Ahlen, Davide Bianchi, David Brooks, Todd Claybaugh, Axel de la Macorra, Arjun Dey, Peter Doel, Jaime E. Forero-Romero, Enrique Gaztañaga, Satya Gontcho A Gontcho, Gaston Gutierrez, Klaus Honscheid, Mustapha Ishak, Theodore Kisner, Martin Landriau, Laurent Le Guillou, Marc Manera, Aaron Meisner, Ramon Miquel, Seshadri Nadathur, Claire Poppett, Francisco Prada, Ignasi Pérez-Ràfols, Graziano Rossi, Eusebio Sanchez, David Schlegel, Hee-Jong Seo, Joseph Harry Silber, David Sprayberry, Gregory Tarlé, Benjamin Alan Weaver, Hu Zou

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HCG 57: Evidence for Shock-heated Intergalactic Gas from X-Rays and Optical Emission Line Spectroscopy by Ewan O’Sullivan, P. N. Appleton, B. A. Joshi, Lauranne Lanz, Katherine Alatalo, Jan M. Vrtilek, Andreas Zezas, Laurence P. David

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Galaxy Superclusters and Their Complexes in the Cosmic Web by Maret Einasto

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The RESOLVE and ECO Gas in Galaxy Groups Initiative: The Group Finder and the Group H i–Halo Mass Relation by Zackary L. Hutchens, Sheila J. Kannappan, Andreas A. Berlind, Mehnaaz Asad, Kathleen D. Eckert, David V. Stark, Derrick S. Carr, Ella R. Castelloe, Andrew J. Baker, Kelley M. Hess, Amanda J. Moffett, Mark A. Norris, Darren Croton

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The Complex Multiwavelength Morphology of the Peculiar Compact Galaxy Group IC 2431 by Beverly J. Smith, Roberto Soria, Douglas A. Swartz, Mark L. Giroux, Curtis Struck, Ryan Urquhart

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Robust Detection of Hot Intragroup Medium in Optically Selected, Poor Galaxy Groups by eROSITA by Dawei Li, Taotao Fang, Chong Ge, Teng Liu, Lin He, Zhiyuan Li, Fabrizio Nicastro, Xiaohu Yang, Xiaoxia Zhang, Yun-Liang Zheng

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No Evidence of Asymmetrically Enhanced Star Formation in Infalling Galaxies in UNIONS by Lauren M. Foster, Laura C. Parker, Stephen Gwyn, Ian D. Roberts, James E. Taylor, Michael J. Hudson, Alan W. McConnachie, Thomas de Boer

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Introducing the Condor Array Telescope. V. Deep Broad- and Narrowband Imaging Observations of the M81 Group by Kenneth M. Lanzetta, Stefan Gromoll, Michael M. Shara, David Valls-Gabaud, Frederick M. Walter, John K. Webb

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Introducing the Condor Array Telescope. VI. Discovery of Extensive Ionized Gaseous Filaments of the Cosmic Web in the Direction of the M81 Group by Kenneth M. Lanzetta, Stefan Gromoll, Michael M. Shara, David Valls-Gabaud, Frederick M. Walter, John K. Webb

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Core to Cosmic Edge: <tt>SIMBA-C</tt>’s New Take on Abundance Profiles in the Intragroup Medium at <i>z</i> = 0 by Aviv Padawer-Blatt, Zhiwei Shao, Renier T. Hough, Douglas Rennehan, Ruxin Barré, Vida Saeedzadeh, Arif Babul, Romeel Davé, Chiaki Kobayashi, Weiguang Cui, François Mernier, Ghassem Gozaliasl

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Virgo Filaments. V. Disrupting the Baryon Cycle in the NGC 5364 Galaxy Group by Rose A. Finn, Gregory Rudnick, Pascale Jablonka, Mpati Ramatsoku, Gautam Nagaraj, Benedetta Vulcani, Rebecca A. Koopmann, Matteo Fossati, James Agostino, Yannick Bahé, Santiago Garcia-Burillo, Gianluca Castignani, Francoise Combes, Kim Conger, Gabriella De Lucia, Vandana Desai, John Moustakas, Dara Norman, Damien Sperone-Longin, Melinda Townsend, Lizhi Xie, Daria Zakharova, Dennis Zaritsky

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Probing the High-frequency Variability of NGC 5044: The Key to Active Galactic Nucleus Feedback by Gerrit Schellenberger, Ewan O’Sullivan, Laurence P. David, Jan Vrtilek, Charles Romero, Glen Petitpas, William Forman, Simona Giacintucci, Mark Gurwell, Christine Jones, Kamlesh Rajpurohit, Francesco Ubertosi, Tiziana Venturi

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Mapping the Star Formation and H i Gas Properties of Galaxies along Large-scale Structures around the Virgo Cluster by Hyein Yoon, O. Ivy Wong, Aeree Chung, Shan Huang

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Minor-merger-induced Star Formation Rejuvenation in an Elliptical Radio-loud Quasar Host, 3C 59 by Yijun Wang, Tao Wang, Ke Xu, Junjie Mao, Yerong Xu, Zheng Zhou

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An Extensive Catalog of Early-type Dwarf Galaxies in the Local Universe: Morphology and Environment by Sanjaya Paudel, Suk-Jin Yoon, Jaewon Yoo, Rory Smith, Daya Nidhi Chhatkuli, Rajesh Kumar Bachchan, Binil Aryal, Binod Adhikari, Namuna Adhikari, Amrit Sedain, Sharup Sheikh, Sarashwati Dhital, Ashutosh Giri, Rabin Baral

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