Astrophysics - cosmology and nongalactic astrophysics

UNCOVER: 404 Error—Models Not Found for the Triply Imaged Little Red Dot A2744-QSO1
JWST has revealed an abundance of compact, red objects at z ≈ 5–8 dubbed little red dots'' (LRDs), whose SEDs display a faint blue UV …
Yilun Ma, Jenny E. Greene, David J. Setton, Marta Volonteri, Joel Leja, Bingjie Wang, Rachel Bezanson, Gabriel Brammer, Sam E. Cutler, Pratika Dayal, Pieter van Dokkum, Lukas J. Furtak, Karl Glazebrook, Andy D. Goulding, Anna de Graaff, Vasily Kokorev, Ivo Labbe, Richard Pan, Sedona H. Price, John R. Weaver, Christina C. Williams, Katherine E. Whitaker, Adi Zitrin
Cite DOI arXiv
The Evolution of Half-Mass Radii and Color Gradients for Young and Old Quiescent Galaxies at 0.5 < z < 3 with JWST/PRIMER
We present a study of the size growth of the red sequence between 0.5<z<3, tracing the evolution of quiescent galaxies in both …
Maike Clausen, Ivelina Momcheva, Katherine E. Whitaker, Sam E. Cutler, Rachel S. Bezanson, James S. Dunlop, Norman A. Grogin, Anton M. Koekemoer, Derek McLeod, Ross McLure, Tim B. Miller, Erica Nelson, Arjen van der Wel, David Wake, Stijn Wuyts
Cite DOI arXiv
UNCOVER: A NIRSpec Census of Lensed Galaxies at z = 8.50–13.08 Probing a High-AGN Fraction and Ionized Bubbles in the Shadow
We present JWST NIRSpec prism spectroscopy of lensed galaxies at z gtrsim 9 found behind the massive galaxy cluster Abell 2744 in the …
Seiji Fujimoto, Bingjie Wang, John R. Weaver, Vasily Kokorev, Hakim Atek, Rachel Bezanson, Ivo Labbe, Gabriel Brammer, Jenny E. Greene, Iryna Chemerynska, Pratika Dayal, Anna de Graaff, Lukas J. Furtak, Pascal A. Oesch, David J. Setton, Sedona H. Price, Tim B. Miller, Christina C. Williams, Katherine E. Whitaker, Adi Zitrin, Sam E. Cutler, Joel Leja, Richard Pan, Dan Coe, Pieter van Dokkum, Robert Feldmann, Yoshinobu Fudamoto, Andy D. Goulding, Gourav Khullar, Danilo Marchesini, Michael Maseda, Themiya Nanayakkara, Erica J. Nelson, Renske Smit, Mauro Stefanon, Andrea Weibel
Cite DOI arXiv