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Joint JWST-DECam Lensing Reveals That the Bullet Cluster Is a Minor Merger
Boseong Young Cho, M. James Jee, Hyungjin Joo +2
We present the first robust virial masses of the Bullet Cluster's three individual components from a joint weak+strong lensing analysis combining JWST/NIRCam and DECam observations…
Exploring the statistical properties of double radio relics in the TNG-Cluster and TNG300 simulations
Wonki Lee, Annalisa Pillepich, Dylan Nelson +4
Double radio relics, pairs of diffuse radio features located on opposite sides of merging galaxy clusters, are a rare subclass of radio relics that are believed to trace merger sho…
SDSS-C4 3028: The Nearest Blue Galaxy Cluster Devoid of an Intracluster Medium
Shweta Jain, Yuanyuan Su, Andra Stroe +9
SDSS-C4 3028 is a galaxy cluster at , notable for its unusually high fraction of star-forming galaxies with 19 star-forming and 11 quiescent spectroscopically-confirmed me…
JWST Discovery of Strong Lensing from a Galaxy Cluster at Cosmic Noon: Giant Arcs and a Highly Concentrated Core of XLSSC 122
Kyle Finner, Sangjun Cha, Zachary P. Scofield +9
Our observations with the James Webb Space Telescope have made the remarkable discovery of strong gravitational lensing arcs from XLSSC 122 () - setting the record for the…
Exploring the Masses of the Two Most Distant Gravitational Lensing Clusters at the Cosmic Noon
Jinhyub Kim, M. James Jee, Stefano Andreon +4
Observations over the past decade have shown that galaxy clusters undergo the most transformative changes during the epoch. However, challenges such as low lensing ef…
A High-Caliber View of the Bullet Cluster Through JWST Strong and Weak Lensing Analyses
Sangjun Cha, Boseong Young Cho, Hyungjin Joo +5
The Bullet Cluster (1E 0657-56) is a key astrophysical laboratory for studying dark matter, galaxy cluster mergers, and shock propagation in extreme environments. Using new JWST im…