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Galaxy evolution in the mid-infrared green valley: a case of the A2199 supercluster
Gwang-Ho Lee, Ho Seong Hwang, Myung Gyoon Lee +4
We study the mid-infrared (MIR) properties of the galaxies in the A2199 supercluster at z = 0.03 to understand the star formation activity of galaxy groups and clusters in the supe…
The Mass Profile and Shape of Bars in the Spitzer Survey of Stellar Structure in Galaxies (S4G): Search for an Age Indicator for Bars
Taehyun Kim, Kartik Sheth, Dimitri A. Gadotti +24
We have measured the radial light profiles and global shapes of bars using two-dimensional 3.6 image decompositions for 144 face-on barred galaxies from the Spitzer Survey of…
Discovery of an Ultra-Faint Dwarf Galaxy in the Intracluster Field of the Virgo Center : A fossil of the First Galaxies?
In Sung Jang, Myung Gyoon Lee
Ultra-faint dwarf galaxies (UFDs) are newcomers among galaxies, and are the faintest galaxies in the observed universe. To date, they have only been found around the Milky Way Gala…
The Tip of the Red Giant Branch Distance to the Perfect Spiral Galaxy M74 Hosting Three Core-Collapse Supernovae
In Sung Jang, Myung Gyoon Lee
M74 (NGC 628) is a famous face-on spiral galaxy, hosting three core-collapse supernovae (SNe):SN Ic 2002ap, SN II-P 2003gd, and SN II-P 2013ej. However its distance is not well kno…
Properties of Optically Selected Supernova Remnant Candidates in M33
Jong Hwan Lee, Myung Gyoon Lee
Narrow band images covering strong emission lines are efficient to survey supernova remnants (SNRs) in nearby galaxies. Using the narrow band images provided by the Local Group Gal…
UKIRT Widefield Infrared Survey for Fe
Jae-Joon Lee, Bon-Chul Koo, Yong-Hyun Lee +17
The United Kingdom Infrared Telescope (UKIRT) Widefield Infrared Survey for Fe (UWIFE) is a 180 deg imaging survey of the first Galactic quadrant (7 < l < 62$^{\c…