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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…
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…
Ultrafaint Dwarf Galaxy Candidates in the M81 Group: Signatures of Group Accretion
Eric F. Bell, Adam Smercina, Paul A. Price +8
The faint and ultrafaint dwarf galaxies in the Local Group form the observational bedrock upon which our understanding of small-scale cosmology rests. In order to understand whethe…
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…
New Globular Cluster Candidates in the M81 group
Jiaming Pan, Eric F. Bell, Adam Smercina +7
The study of outer halo globular cluster (GC) populations can give insight into galaxy merging, globular cluster accretion and the origin of GCs. We use archival Subaru Hyper Supri…
A Rich Satellite Population of the NGC 4437 Group and Implications of a Magnitude Gap for Galaxy Group Assembly History
Yoo Jung Kim, Jisu Kang, Myung Gyoon Lee +1
Both observations and cosmological simulations have recently shown that there is a large scatter in the number of satellites of Milky Way (MW)-like galaxies. In this study, we inve…