Galaxy Evolution

Rest-frame Near-infrared Sizes of Galaxies at Cosmic Noon: Objects in JWST's Mirror Are Smaller than They Appeared
Galaxy sizes and their evolution over cosmic time have been studied for decades and serve as key tests of galaxy formation models. …
Katherine A. Suess, Rachel Bezanson, Erica J. Nelson, David J. Setton, Sedona H. Price, Pieter van Dokkum, Gabriel Brammer, Ivo Labbé, Joel Leja, Tim B. Miller, Brant Robertson, Arjen van der Wel, John R. Weaver, Katherine E. Whitaker
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A galaxy group candidate at z ensuremath≈ 3.7 in the COSMOS field
We report a galaxy group candidate HPC1001 at z ensuremath≈ 3.7 in the COSMOS field. This structure was selected as a high galaxy …
Nikolaj B. Sillassen, Shuowen Jin, Georgios E. Magdis, Emanuele Daddi, John R. Weaver, Raphael Gobat, Vasily Kokorev, Francesco Valentino, Alexis Finoguenov, Marko Shuntov, Carlos Gómez-Guijarro, Rosemary Coogan, Thomas R. Greve, Sune Toft, David Blanquez Sese
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Diagnosing deceivingly cold dusty galaxies at 3.5 < z < 6: A substantial population of compact starbursts with high infrared optical depths
Using NOEMA and ALMA 3mm line scans, we measured spectroscopic redshifts of six new dusty galaxies at 3.5 < z < 4.2 by solidly …
Shuowen Jin, Emanuele Daddi, Georgios E. Magdis, Daizhong Liu, John R. Weaver, Qinghua Tan, Francesco Valentino, Yu Gao, Eva Schinnerer, Antonello Calabrò, Qiusheng Gu, David Blanquez Sese
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Implications of a Temperature-dependent Initial Mass Function. III. Mass Growth and Quiescence
The stellar initial mass function (IMF) is predicted to depend upon the temperature of gas in star-forming molecular clouds. The …
Charles L. Steinhardt, Albert Sneppen, Hagan Hensley, Adam S. Jermyn, Basel Mostafa, John R. Weaver, Gabriel Brammer, Thomas H. Clark, Iary Davidzon, Andrei C. Diaconu, Bahram Mobasher, Vadim Rusakov, Sune Toft
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Implications of a Temperature-dependent Initial Mass Function. I. Photometric Template Fitting
A universal stellar initial mass function (IMF) should not be expected from theoretical models of star formation, but little conclusive …
Albert Sneppen, Charles L. Steinhardt, Hagan Hensley, Adam S. Jermyn, Basel Mostafa, John R. Weaver
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Implications of a Temperature-dependent Initial Mass Function. II. An Updated View of the Star-forming Main Sequence
The stellar initial mass function (IMF) is predicted to depend upon the temperature of gas in star-forming molecular clouds. The …
Charles L. Steinhardt, Albert Sneppen, Basel Mostafa, Hagan Hensley, Adam S. Jermyn, Adrian Lopez, John Weaver, Gabriel Brammer, Thomas H. Clark, Iary Davidzon, Andrei C. Diaconu, Bahram Mobasher, Vadim Rusakov, Sune Toft
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COSMOS2020: Ubiquitous AGN Activity of Massive Quiescent Galaxies at 0 < z < 5 Revealed by X-Ray and Radio Stacking
We characterize the average X-ray and radio properties of quiescent galaxies (QGs) with $mathrmlog(M_⋆ /M_ødot ) 10$ at 0 < z < …
Kei Ito, Masayuki Tanaka, Takamitsu Miyaji, Olivier Ilbert, Olivier B. Kauffmann, Anton M. Koekemoer, Stefano Marchesi, Marko Shuntov, Sune Toft, Francesco Valentino, John R. Weaver
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The Archival Discovery of a Strong Lyensuremathα and [C II] Emitter at z = 7.677
We report the archival discovery of Lyensuremathα emission from the bright ultraviolet galaxy Y002 at z = 7.677, spectroscopically …
Francesco Valentino, Gabriel Brammer, Seiji Fujimoto, Kasper E. Heintz, John R. Weaver, Victoria Strait, Katriona M.~L. Gould, Charlotte Mason, Darach Watson, Peter Laursen, Sune Toft
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COSMOS2020
A near-infrared selected catalog of 1.7 million galaxies with precise photometric redshifts
COSMOS2020
Exploring the Origins of Galaxy Bimodality at z<0.1
MPhys Thesis | We use SDSS-MaNGA integral field spectroscopy to investigate a sample of rare post-starbust galaxies
Exploring the Origins of Galaxy Bimodality at z<0.1