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Molecular gas and star formation in the red-sequence counter-rotating disc galaxy NGC 4550
Alison F. Crocker, Hyunjin Jeong, Shinya Komugi +4
We present observations of the CO(1-0) emission in the central 750 pc (10 arcsec) of the counter-rotating disc galaxy NGC 4550, obtained at the Institut de Radioastronomie Millimet…
The Correlation of Star Formation Quenching with Internal Galaxy Properties and Environment
Taysun Kimm, Rachel S. Somerville, Sukyoung K. Yi +8
We investigate the correlation of star formation quenching with internal galaxy properties and large scale environment (halo mass) in empirical data and theoretical models. We make…
The Current Understanding on the UV Upturn
Sukyoung K. Yi
The unexpected high bump in the UV part of the spectrum found in nearby giant elliptical galaxies, a.k.a. the UV upturn, has been a subject of debate. A remarkable progress has bee…
Testing the AGB Scenario as the Origin of the Extreme-Helium Population in omega Centauri
Ena Choi, Sukyoung K. Yi
The most massive Galactic globular cluster, Omega centauri, appears to have multiple populations. Its bluest main sequence and extended horizontal branch stars are suggested to hav…