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New Evidence for the Unified Scheme of BL Lac Objects and Fri Radio Galaxies
J. M. Bai, Myung Gyoon Lee
In this paper, we collect radio and X-ray observations for most Fanaroff-Riley I (FRI) radio galaxies in the Zirbel-Baum radio galaxy sample, and investigate the distribution of th…
Morphological Number Counts of Galaxies in the Hubble Deep Field South
Myung Gyoon Lee, Narae Hwang
We present a study of photometric properties of the galaxies in the Hubble Deep Field South (HDFS) based on the released WFPC2 images obtained with the Hubble Space Telescope (HST)…
Modern Supernova Search
Myung Gyoon Lee
Supernovae play a critical role in observational cosmology as well as in astrophysics of stars and galaxies. Recent era has seen dramatic progress in the research of supernovae. Se…
The Globular Cluster System in the Inner Region of the Giant Elliptical Galaxy NGC 4472
Myung Gyoon Lee, Eunhyeuk Kim
We present a study of globular clusters in the inner region of the giant elliptical galaxy NGC 4472, based on the HST WFPC2 archive data. We have found about 1560 globular cluster…
Wide Field CCD Surface Photometry of the Giant Elliptical Galaxy NGC 4472 in the Virgo Cluster
Eunhyeuk Kim, Myung Gyoon Lee, Doug Geisler
We present deep wide field (16'.4 x 16'.4) Washington CT1 CCD surface photometry of the giant elliptical galaxy NGC 4472, the brightest member in the Virgo cluster. Our data cover…