Results 181 to 190 of about 206,467 (307)

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

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

FIRST DETECTIONS OF THE [N II] 122 μm LINE AT HIGH REDSHIFT: DEMONSTRATING THE UTILITY OF THE LINE FOR STUDYING GALAXIES IN THE EARLY UNIVERSE [PDF]

, 2011
Carl Ferkinhoff, Drew Brisbin, Thomas Nikola, Stephen C. Parshley, G. J. Stacey, T. G. Phillips, É. Falgarone, Dominic J. Benford, Johannes Staguhn, C. Tucker   +9 more
openalex   +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

Star Formation in High Redshift Radio Galaxies [PDF]

, 2006
C. De Breuck, Michiel Reuland
openalex   +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

A Group of Red, L[CLC]y[/CLC]α-emitting, High-Redshift Galaxies [PDF]

, 1997
Paul Francis, B. E. Woodgate, A. C. Danks   +2 more
openalex   +1 more source

Metallicity Gradients in Modern Cosmological Simulations. I. Tension between Smooth Stellar Feedback Models and Observations

The Astrophysical Journal
The metallicity of galaxies, and its variation with galactocentric radius, provides key insights into the formation histories of galaxies and the physical processes driving their evolution.
Alex M. Garcia, Paul Torrey, Aniket Bhagwat, Ruby J. Wright, Qian-Hui Chen, Kathryn Grasha, Sophia Ridolfo, Z. S. Hemler, Arnab Sarkar, Priyanka Chakraborty, Erica J. Nelson, Ryan L. Sanders, Tiago Costa, Mark Vogelsberger, Lisa J. Kewley, Sara L. Ellison, Lars Hernquist   +16 more
doaj   +1 more source

High-z radio galaxies and the `Youth-Redshift Degeneracy' [PDF]

, 1999
Katherine M. Blundell, Steve Rawlings
openalex   +1 more source

A high-redshift calibration of the [OI]-to-HI conversion factor in star-forming galaxies [PDF]

, 2023
S. N. Wilson, K. E. Heintz, P. Jakobsson, S. C. Madden, D. Watson, G. Magdis, Francesco Valentino, T. R. Greve, David Vizgan   +8 more
openalex   +1 more source