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187 papers
Globular Clusters in NGC 4839 Falling into Coma: Evidence for the Second Infall?
Seong-A Oh, Myung Gyoon Lee, In Sung Jang
NGC 4839 is the brightest galaxy (cD) of the NGC 4839 group at Mpc in the south-west of the Coma cluster, which is known to be falling into Coma. However, it has been…
On the correlation between dark matter, intracluster light and globular cluster distribution in SMACS0723
J. M. Diego, M. Pascale, B. Frye +9
We present a free-form model of SMACS0723, the first cluster observed with JWST. This model makes no strong assumptions about the distribution of mass (mostly dark matter) in the c…
Tracing the Giant Outer Halo of the Mysterious Massive Disk Galaxy M104 I. Photometry of the Extended Globular Cluster Systems
Jisu Kang, Myung Gyoon Lee, In Sung Jang +4
M104 (NGC 4594, the Sombrero galaxy) is a mysterious massive early-type galaxy that shows a dominant bulge and a prominent disk. However, the presence of a halo in M104 has been el…
A GMOS/IFU Study of Jellyfish Galaxies in Massive Clusters
Jeong Hwan Lee, Myung Gyoon Lee, Jae Yeon Mun +2
Jellyfish galaxies are an intriguing snapshot of galaxies undergoing ram-pressure stripping (RPS) in dense environments, showing spectacular star-forming knots in their disks and t…
Detection of Intracluster Globular Clusters in the First JWST Images of the Gravitational Lens Cluster SMACS J0723.3-7327 at z = 0.39
Myung Gyoon Lee, Jang Ho Bae, In Sung Jang
We present a survey of globular clusters (GCs) in the massive gravitational lens cluster SMACS J0723.3-7327 at based on the early released JWST/NIRCam images. In the color…
Enhanced Star Formation Activity of Extreme Jellyfish Galaxies in Massive Clusters and the Role of Ram Pressure Stripping
Jeong Hwan Lee, Myung Gyoon Lee, Jae Yeon Mun +2
Jellyfish galaxies are an excellent tool to investigate the short-term effects of ram pressure stripping (RPS) on star formation in cluster environments. It has been thought that t…