Results 111 to 120 of about 103,703 (233)

On the Very Bright Dropouts Selected Using the James Webb Space Telescope NIRCam Instrument

The Astrophysical Journal
The selection of candidate high-redshift galaxies using the dropout technique targeting the Lyman-break signature sometimes yields very bright objects that are too luminous to be easily explained if they are indeed at the expected redshifts.
Bangzheng Sun, Haojing Yan
doaj   +1 more source

Extended X-ray emission at high redshifts: radio galaxies versus clusters [PDF]

, 2004
A. Celotti, A. C. Fabian, A. Celotti, A. C. Fabian   +3 more
openalex   +1 more source

CAPERS Observations of Two UV-bright Galaxies at z > 10. More Evidence for Bursting Star Formation in the Early Universe

The Astrophysical Journal Letters
We present the first results from the CANDELS-Area Prism Epoch of Reionization Survey (CAPERS), utilizing PRISM observations with the JWST/NIRSpec microshutter assembly in the PRIMER-UDS field.
Vasily Kokorev, Óscar A. Chávez Ortiz, Anthony J. Taylor, Steven L. Finkelstein, Pablo Arrabal Haro, Mark Dickinson, John Chisholm, Seiji Fujimoto, Julian B. Mu noz, Ryan Endsley, Weida Hu, Lorenzo Napolitano, Stephen M. Wilkins, Hollis B. Akins, Ricardo Amoriín, Caitlin M. Casey, Yingjie Cheng, Nikko J. Cleri, Justin Cole, Fergus Cullen, Emanuele Daddi, Kelcey Davis, Callum T. Donnan, James S. Dunlop, Vital Fernández, Mauro Giavalisco, Norman A. Grogin, Nimish Hathi, Michaela Hirschmann, Jeyhan S. Kartaltepe, Anton M. Koekemoer, Ho-Hin Leung, Ray A. Lucas, Derek McLeod, Casey Papovich, Laura Pentericci, Pablo G. Pérez-González, Rachel S. Somerville, Xin Wang, L. Y. Aaron Yung, Jorge A. Zavala   +40 more
doaj   +1 more source

Violent Starbursts and Quiescence Induced by Far-ultraviolet Radiation Feedback in Metal-poor Galaxies at High Redshift

The Astrophysical Journal
JWST observations of galaxies at z ≳ 8 suggest that they are more luminous and clumpier than predicted by most models, prompting several proposals on the physics of star formation and feedback in the first galaxies. In this paper, we focus on the role of
Kazuyuki Sugimura, Massimo Ricotti, Jongwon Park, Fred Angelo Batan Garcia, Hidenobu Yajima   +4 more
doaj   +1 more source

Evidence for cold accretion onto a massive galaxy at high redshift? [PDF]

, 2007
D. J. B. Smith, M. J. Jarvis
openalex   +1 more source

MAMMOTH-Subaru. III. Lyα Halo Identified by Stacking ∼3300 Lyα Emitters at z = 2.2–2.3

The Astrophysical Journal
In this paper, we present a Ly α halo (LAH) identified by stacking ∼3300 Ly α emitters (LAEs) at z = 2.2–2.3. We carry out imaging observations and data reduction with Subaru/Hyper Suprime-Cam.
Haibin Zhang, Zheng Cai, Yongming Liang, Ke Ma, Nobunari Kashikawa, Mingyu Li, Yunjing Wu, Qiong Li, Sean D. Johnson, Masami Ouchi, Xiaohui Fan   +10 more
doaj   +1 more source

A Simple Model of the Radio–Infrared Correlation Depending on Gas Surface Density and Redshift

The Astrophysical Journal
We introduce a simple parametric model of the radio–infrared correlation (i.e., the ratio between the IR luminosity and the 1.4 GHz radio luminosity, q _IR ) by considering the energy loss rate of high-energy cosmic-ray (CR) electrons governed by ...
Ilsang Yoon
doaj   +1 more source

A Simple Direct Empirical Observation of Systematic Bias of the Redshift as a Distance Indicator

Universe
Recent puzzling observations, such as the H0 tension, large-scale anisotropies, and massive disk galaxies at high redshifts, have been challenging the standard cosmological model.
Lior Shamir
doaj   +1 more source

STRUCTURES OF LOCAL GALAXIES COMPARED TO HIGH-REDSHIFT STAR-FORMING GALAXIES [PDF]

, 2009
Sara Petty, D. F. de Mello, J. S. Gallagher, Jonathan P. Gardner, Jennifer M. Lotz, C. M. Mountain, L. J. Smith   +6 more
openalex   +1 more source

On the Clustering of Lyα Clouds, High‐Redshift Galaxies, and Underlying Mass [PDF]

, 1998
Renyue Cen, Steven Phelps, Jordi Miralda‐Escudé, Jeremiah P. Ostriker   +3 more
openalex   +1 more source