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Environmental Evidence for Overly Massive Black Holes in Low Mass Galaxies and a Black Hole - Halo Mass Relation at
Jorryt Matthee, Rohan P. Naidu, Gauri Kotiwale +14
JWST observations have unveiled faint active galactic nuclei (AGN) at high-redshift that provide insights on the formation of supermassive black holes (SMBHs) and their coevolution…
All the Little Things in Abell 2744: 1000 Gravitationally Lensed Dwarf Galaxies at from JWST NIRCam Grism Spectroscopy
Rohan P. Naidu, Jorryt Matthee, Ivan Kramarenko +31
Dwarf galaxies hold the key to crucial frontiers of astrophysics, however, their faintness renders spectroscopy challenging. Here we present the JWST Cycle 2 survey, All the Little…
GA-NIFS and EIGER: A merging quasar host at z=7 with an overmassive black hole
Madeline A. Marshall, Minghao Yue, Anna-Christina Eilers +22
The James Webb Space Telescope is revolutionising our ability to understand the host galaxies and local environments of high-z quasars. Here we obtain a comprehensive understanding…
Galaxy-dark matter connection from weak lensing in imaging surveys: Impact of photometric redshift errors
Navin Chaurasiya, Surhud More, Daichi Kashino +2
The uncertainties in photometric redshifts and stellar masses from imaging surveys affect galaxy sample selection, their abundance measurements, as well as the measured weak lensin…
Low [O/Fe] Ratio in a Luminous Galaxy at the Early Cosmic Epoch (): Signature of Short Delay Time or Bright Hypernovae/Pair-Instability Supernovae?
Minami Nakane, Masami Ouchi, Kimihiko Nakajima +12
We present an [O/Fe] ratio of a luminous galaxy GN-z11 at derived with the deep public JWST/NIRSpec data. We fit the medium-resolution grating (G140M, G235M, and G395M) d…
Anatomy of an ionized bubble: NIRCam grism spectroscopy of the double-peaked Lyman- emitter COLA1 and its environment
Alberto Torralba-Torregrosa, Jorryt Matthee, Rohan P. Naidu +10
The increasingly neutral intergalactic gas at impacts the Lyman- flux observed from galaxies. One luminous galaxy, COLA1, stands out because of its unique double-peaked Ly…
A unified model for the clustering of quasars and galaxies at
Elia Pizzati, Joseph F. Hennawi, Joop Schaye +12
Recent observations from the EIGER JWST program have measured for the first time the quasar-galaxy cross-correlation function at . The auto-correlation function of faint…
EIGER VI. The Correlation Function, Host Halo Mass and Duty Cycle of Luminous Quasars at
Anna-Christina Eilers, Ruari Mackenzie, Elia Pizzati +13
We expect luminous () high-redshift quasars to trace the highest density peaks in the early universe. Here, we present observations of four quasa…