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(Re)solving the Complex Multiscale Morphology and V-shaped Spectral Energy Distribution of a Newly Discovered Strongly Lensed Little Red Dot in A383
Josephine F. W. Baggen, Pieter van Dokkum, Ivo Labbé +1
We present a luminous "little red dot" (LRD) at = 6.027, doubly imaged by the galaxy cluster A383 and observed with the James Webb Space Telescope (JWST) NIRCam. Owing to its l…
Clues to inside-out quenching in quiescent galaxies at : Age, Fe-, and Mg-abundance gradients from JWST-SUSPENSE
Chloe M. Cheng, Martje Slob, Mariska Kriek +16
[Abridged] Spatially resolved stellar populations of massive quiescent galaxies at cosmic noon provide powerful insights into quenching and assembly mechanisms. Previous photometri…
The Infinity Galaxy: a Candidate Direct-Collapse Supermassive Black Hole Between Two Massive, Ringed Nuclei
Pieter van Dokkum, Gabriel Brammer, Josephine F. W. Baggen +3
We report the discovery of an unusual z=1.14 object, dubbed the galaxy, in JWST imaging of the COSMOS field. Its rest-frame near-IR light is dominated by two compact nucle…
Kinematic Confirmation of a Remarkable Linear Trail of Galaxies in the NGC 1052 Field, Consistent with Formation in a High-Speed Bullet Dwarf Collision
Michael A. Keim, Pieter van Dokkum, Zili Shen +6
A unique linear trail of diffuse galaxies was recently identified in the NGC 1052 field. This trail includes the remarkable, ultra-diffuse galaxies DF2 and DF4 which lack dark matt…
Investigating the Ultra-diffuse Galaxy NGC5846_UDG1 through the Kinematics of its Rich Globular Cluster System
Lydia Haacke, Duncan A. Forbes, Jonah S. Gannon +8
Recent studies of ultra-diffuse galaxies (UDGs) have shown their globular cluster (GC) systems to be central in unveiling their remarkable properties and halo masses. Deep HST imag…