Results 61 to 70 of about 102,173 (261)

CEERS Key Paper. III. The Diversity of Galaxy Structure and Morphology at z = 3–9 with JWST

The Astrophysical Journal Letters, 2023
We present a comprehensive analysis of the evolution of the morphological and structural properties of a large sample of galaxies at z = 3–9 using early James Webb Space Telescope (JWST) CEERS NIRCam observations. Our sample consists of 850 galaxies at z
Jeyhan S. Kartaltepe, Caitlin Rose, Brittany N. Vanderhoof, Elizabeth J. McGrath, Luca Costantin, Isabella G. Cox, L. Y. Aaron Yung, Dale D. Kocevski, Stijn Wuyts, Henry C. Ferguson, Micaela B. Bagley, Steven L. Finkelstein, Ricardo O. Amorín, Brett H. Andrews, Pablo Arrabal Haro, Bren E. Backhaus, Peter Behroozi, Laura Bisigello, Antonello Calabrò, Caitlin M. Casey, Rosemary T. Coogan, M. C. Cooper, Darren Croton, Alexander de la Vega, Mark Dickinson, Adriano Fontana, Maximilien Franco, Andrea Grazian, Norman A. Grogin, Nimish P. Hathi, Benne W. Holwerda, Marc Huertas-Company, Kartheik G. Iyer, Shardha Jogee, Intae Jung, Lisa J. Kewley, Allison Kirkpatrick, Anton M. Koekemoer, James Liu, Jennifer M. Lotz, Ray A. Lucas, Jeffrey A. Newman, Camilla Pacifici, Viraj Pandya, Casey Papovich, Laura Pentericci, Pablo G. Pérez-González, Jayse Petersen, Nor Pirzkal, Marc Rafelski, Swara Ravindranath, Raymond C. Simons, Gregory F. Snyder, Rachel S. Somerville, Elizabeth R. Stanway, Amber N. Straughn, Sandro Tacchella, Jonathan R. Trump, Jesús Vega-Ferrero, Stephen M. Wilkins, Guang Yang, Jorge A. Zavala   +61 more
doaj   +1 more source

The problematic growth of dust in high-redshift galaxies [PDF]

, 2016
Dust growth via accretion of gas species has been proposed as the dominant process to increase the amount of dust in galaxies. We show here that this hypothesis encounters severe difficulties that make it unfit to explain the observed UV and IR ...
A. Ferrara, S. Viti, C. Ceccarelli
semanticscholar   +1 more source

Large Disklike Galaxies at High Redshift [PDF]

The Astrophysical Journal, 2003
LaTeX, 5 pages, 2 figures, 1 table.
Labbé, Ivo, Rudnick, Gregory, Franx, Marijn, Daddi, Emanuele, van Dokkum, Pieter G., Frster Schreiber, Natascha M., Kuijken, Konrad, Moorwood, Alan, Rix, Hans-Walter, Röttgering, Huub, Trujillo, Ignacio, van der Wel, Arjen, van der Werf, Paul, van Starkenburg, Lottie   +13 more
openaire   +4 more sources

Extended Lyman α haloes around individual high-redshift galaxies revealed by MUSE [PDF]

, 2015
We report the detection of extended Ly alpha emission around individual star-forming galaxies at redshifts z = 3-6 in an ultradeep exposure of the Hubble Deep Field South obtained with MUSE on the ESO-VLT.
L. Wisotzki, R. Bacon, J. Blaizot, J. Brinchmann, J. Brinchmann, E. C. Herenz, J. Schaye, N. Bouché, S. Cantalupo, T. Contini, T. Contini, C. Carollo, J. Caruana, J.-B. Courbot, J.-B. Courbot, E. Emsellem, E. Emsellem, S. Kamann, J. Kerutt, F. Leclercq, S. Lilly, V. Patr'icio, C. Sandin, M. Steinmetz, L. Straka, T. Urrutia, A. Verhamme, A. Verhamme, P. Weilbacher, M. Wendt   +29 more
semanticscholar   +1 more source

Reionisation and High-Redshift Galaxies: The View from Quasar Absorption Lines [PDF]

Publications Astronomical Society of Australia, 2015
Determining when and how the first galaxies reionised the intergalactic medium promises to shed light on both the nature of the first objects and the cosmic history of baryons.
G. Becker, J. Bolton, A. Lidz
semanticscholar   +1 more source

Unveiling the Cosmic Chemistry. II. “Direct” Te-based Metallicity of Galaxies at 3 < z < 10 with JWST/NIRSpec

The Astrophysical Journal
We report the detection of the [O iii ] auroral line in 42 galaxies within the redshift range of 3 < z < 10. These galaxies were selected from publicly available JWST data releases, including the JADES and PRIMAL surveys, and observed using both the low ...
Priyanka Chakraborty, Arnab Sarkar, Randall Smith, Gary J. Ferland, Michael McDonald, William Forman, Mark Vogelsberger, Paul Torrey, Alex M. Garcia, Mark Bautz, Adam Foster, Eric Miller, Catherine Grant   +12 more
doaj   +1 more source

The Extinction Law in High‐Redshift Galaxies [PDF]

The Astrophysical Journal, 2004
We estimate the dust extinction laws in two intermediate redshift galaxies. The dust in the lens galaxy of LBQS1009-0252, which has an estimated lens redshift of zl~0.88, appears to be similar to that of the SMC with no significant feature at 2175 A.
Christopher S. Kochanek, J. A. Muñoz, Evencio Mediavilla, Brian McLeod, E. E. Falco   +4 more
openaire   +3 more sources

The distribution of neutral hydrogen around high-redshift galaxies and quasars in the EAGLE simulation [PDF]

, 2015
The observed high covering fractions of neutral hydrogen (HIHI) with column densities above ∼1017 cm−2 around Lyman-Break Galaxies (LBGs) and bright quasars at redshifts z ∼ 2–3 has been identified as a challenge for simulations of galaxy formation.
A. Rahmati, J. Schaye, R. Bower, R. Crain, M. Furlong, M. Schaller, T. Theuns   +6 more
semanticscholar   +1 more source

Simulating High-redshift Galaxies: Enhancing UV Luminosity with Star Formation Efficiency and a Top-heavy IMF

The Astrophysical Journal
Recent findings from photometric and spectroscopic JWST surveys have identified examples of high-redshift galaxies at z  ≳ 10. These high- z galaxies appear to form much earlier and exhibit greater UV luminosity than predicted by theoretical work.
Tae Bong Jeong, Myoungwon Jeon, Hyunmi Song, Volker Bromm   +3 more
doaj   +1 more source

Galaxies at High Redshifts

, 1998
To appear in "Large Scale Structure: Tracks and Traces", Proceedings of the 12th Potsdam Cosmology Workshop, eds. V. M"uller, S. Gottl"ober, J. P. M"ucket, J. Wambsganss, (Singapore: World Scientific), 1998. 9 LaTeX pages, including 5 figures.
Yahil, A., Lanzetta, K. M., Fernandez-Soto, A.   +2 more
openaire   +2 more sources