Results 141 to 150 of about 16,096,383 (218)

New methods for detecting high-redshift clusters of galaxies

, 2004
The detection of high-redshift clusters of galaxies is important in under-standing the evolution of our Universe. Computer simulations, assuming hierarchical structure formation within a Ωλ » 0.7, ΩM » 0.3 universe, predict the galaxy clusters should be ...
Buttery, H J
core  

Self-consistent Combined HST, K-band, and Spitzer Photometric Catalogs of the BUFFALO Survey Fields

The Astrophysical Journal Supplement Series
This article presents new astronomical source catalogs using data from the BUFFALO Survey. These catalogs contain detailed information for over 100,000 astronomical sources in the six BUFFALO clusters: A370, A2744, AS1063, MACS 0416, MACS 0717, and MACS ...
Amanda Pagul, F. Javier Sánchez, Iary Davidzon, Anton M. Koekemoer, Bahram Mobasher, Mathilde Jauzac, Charles L. Steinhardt, Hakim Atek, Renyue Cen, Iryna Chemerynska, Lukas J. Furtak, David J. Lagattuta, Guillaume Mahler, Mireia Montes, Mario Nonino, Keren Sharon, John R. Weaver   +16 more
doaj   +1 more source

Nature of High Equivalent Width Emitters in the Epoch of Reionization Revealed by JWST Medium-band Imaging

The Astrophysical Journal
Extreme emission line galaxies (EELGs) at high redshifts are considered key contributors to cosmic reionization at z  > 6 due to their higher ionization efficiencies.
Kazuki Daikuhara, Takahiro Morishita, Tadayuki Kodama, Ranga-Ram Chary, Masayuki Akiyama, Jose. M. Pérez-Martínez   +5 more
doaj   +1 more source

HST Grism Observations of a z ∼ 1.8 Cluster Candidate from the Clusters Occupied by Bent Radio AGN (COBRA) Survey

The Astrophysical Journal
We present new Hubble Space Telescope/Wide Field Camera 3 G141 grism observations for COBRA 1411+3415, originally identified as a high-redshift cluster candidate in the Clusters Occupied by Bent Radio AGN (COBRA) survey using radio, infrared, and optical
Courtney B. Watson, Elizabeth L. Blanton, Emmet Golden-Marx, Matthew L. N. Ashby, Scott W. Randall, J. D. Wing, E. M. Douglass   +6 more
doaj   +1 more source

ODIN: Characterizing the Three-dimensional Structure of Two Protocluster Complexes at z = 3.1

The Astrophysical Journal
We present a detailed study of the 3D morphology of two extended associations of multiple protoclusters at z = 3.1. These protocluster “complexes,” designated COSMOS-z3.1-A and COSMOS-z3.1-C, are the most prominent overdensities of z = 3.1 Ly α emitters (
Vandana Ramakrishnan, Ashley Ortiz, Byeongha Moon, Eunsoo Jun, David Schlegel, Kyoung-Soo Lee, Jessica Nicole Aguilar, Maria Celeste Artale, David Brooks, Maria Candela Cerdosino, Robin Ciardullo, Todd Claybaugh, Andrei Cuceu, Axel de la Macorra, Arjun Dey, Nicole M. Firestone, Andreu Font-Ribera, Jaime E. Forero-Romero, Eric Gawiser, Enrique Gaztañaga, Caryl Gronwall, Lucia Guaita, Gaston Gutierrez, Sungryong Hong, Ho Seong Hwang, Sang Hyeok Im, Paulina Troncoso Iribarren, Woong-Seob Jeong, Dick Joyce, Ankit Kumar, Claire Lamman, Martin Landriau, Seong-Kook Lee, Jaehyun Lee, Aaron Meisner, Ramon Miquel, John Moustakas, Seshadri Nadathur, Gautam Nagaraj, Julie Nantais, Nelson Padilla, Changbom Park, Will Percival, Francisco Prada, Ignasi Pérez-Ràfols, Graziano Rossi, Eusebio Sanchez, Joseph Harry Silber, Hyunmi Song, David Sprayberry, Gregory Tarlé, Francisco Valdes, Yujin Yang, Ann Zabludoff, Hu Zou   +54 more
doaj   +1 more source

Overmassive black holes and little red dots naturally form in simulations. [PDF]

Nature
Chon S, Hirano S, Ishiyama T, Chang SJ, Springel V.   +4 more
europepmc   +1 more source

An X-ray-emitting protocluster at z ≈ 5.7 reveals rapid structure growth. [PDF]

Nature
Bogdán Á, Schellenberger G, Li Q, Conselice CJ.   +3 more
europepmc   +1 more source

The relation between mass and concentration in x-ray galaxy clusters at high-redshift.

In this Thesis work we have studied the properties of high-redshift galaxy clusters through the X-ray emission from their intracluster gas. In particular, we have focused on the relation between concentration and mass that is related to the density of ...
Amodeo, Stefania
core  

The era of precision cosmology with voids. [PDF]

Astron Astrophys Rev
Contarini S, Verza G, Pisani A.
europepmc   +1 more source

The abundance and radial distribution of faint and ultra-faint dwarfs in galaxy clusters. [PDF]

Mon Not R Astron Soc
Sadhu P, Sales LV, Navarro JF, Errani R, Benavides J, Peng EW.   +5 more
europepmc   +1 more source