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Overdensities of galaxies at z ~ 3.7 in CDF-S
Eugene Kang, Myungshin Im
We report the discovery of possible overdensities of galaxies at z ~ 3.7 in the Chandra Deep Field South (CDF-S). These overdensities are identified from the photometric redshift s…
The Seventh Data Release of the Sloan Digital Sky Survey
K. Abazajian
This paper describes the Seventh Data Release of the Sloan Digital Sky Survey (SDSS), marking the completion of the original goals of the SDSS and the end of the phase known as SDS…
Galaxy Clusters at 0.9<z<1.7 in the AKARI NEP deep field
Tomotsugu Goto, Hitoshi Hanami, Myungshin Im +11
There is a huge gap between properties of red-sequence selected massive galaxy clusters at z<1 and Lyman-break selected proto-clusters at z>3. It is important to understand when an…
Decomposition of the Host Galaxies of Active Galactic Nuclei Using Hubble Space Telescope Images
Minjin Kim, Luis C. Ho, Chien Y. Peng +2
Investigating the link between supermassive black hole and galaxy evolution requires careful measurements of the properties of the host galaxies. We perform simulations to test the…
The Mid-Infrared Fundamental Plane of Early-Type Galaxies
Hyunsung David Jun, Myungshin Im
Three observables of early-type galaxies - size (), surface brightness (), and velocity dispersion () - form a tight planar correlation known as the fundamenta…
Seoul National University Bright Quasar Survey in Optical (SNUQSO). II. Discovery of 40 Bright Quasars Near the Galactic Plane
Myungshin Im, Induk Lee, Yunseok Cho +3
We report the discovery of 40 bright quasars and active galactic nuclei (AGNs) at low Galactic latitude (b<20deg). The low Galactic latitude region has been considered a place to a…