Probing the nature of dark matter through measurements of galaxy shapes

Colloquium Astronomy Colloquium (2019 Fall Semester) * Date Sept 04 (Wednesday) * Speaker Dr. Bomee Lee (Caltech) * Title Probing the nature of dark matter through measurements of galaxy shapes * Abstract     Euclid is a 1.2m optical/near-infrared space telescope designed to understand the expansion and growth history of the universe and is scheduled […]

우주에 대한 호기심이 영화가 되기 까지

Colloquium Astronomy Colloquium (2019 Fall Semester) * Date Sept. 19. * Speaker 권오철 작가님 * Title 우주에 대한 호기심이 영화가 되기 까지 * Abstract     – 코스모스 오디세이 영화 내용 간단 소개– 어쩌다 천체사진가가 영화까지 만들게 되었나– 첨단 천문학의 현장 방문기 – 미국 vs 유럽 vs 대한민국– 사진가의 도구, 과학자의 도구 Date Speaker Title Remarks […]

Three-minute Umbral Oscillations in Sunspots [태양흑점의 3분 암부진동]

Colloquium Astronomy Colloquium (2019 Fall Semester) * Date Sept. 26 * Speaker Prof. Jongchul Chae (SNU) * Title Three-minute Umbral Oscillations in Sunspots [태양흑점의 3분 암부진동] * Abstract     Three-minute umbral oscillations represent the only known detectible MHD waves in sunspots — slow magnetoacoustic waves. They are important in the upper atmosphere because they […]

EUV and Microwave Studies of a Circular-Ribbon Solar Flare

Colloquium Astronomy Colloquium (2019 Fall Semester) * Date           Oct. 2 *Speaker      Dr. Jeongwoo Lee (New Jersey Institute of Technology/ ISS, Shandong Univ.) * Title            EUV and Microwave Studies of a Circular-Ribbon Solar Flare * Abstract  One reason for studying the Sun is that our Sun is so dynamic and occasionally launches […]

Image restoration of solar data using multi frame blind deconvolution

Colloquium Astronomy Colloquium (2019 Fall Semester) * Date Oct. 10 * Speaker Dr. Michiel van Noort (Max-Planck Institute for solar system research), * Title Image restoration of solar data using multi frame blind deconvolution * Abstract     When observing the Sun using ground based solar telescopes, atmospheric turbulence, resulting from heating of the Earths […]

Finding the origin of intracluster light

Colloquium Astronomy Colloquium (2019 Fall Semester) * Date Oct. 24 * Speaker Dr. Jongwan Ko (KASI) * Title Finding the origin of intracluster light * Abstract     Not all stars in the Universe are gravitationally bounded to galaxies. Since first discovered in 1951 (Zwicky 1951), observations have revealed that a significant fraction of stars […]

Characterizing multi-phase gas outflows and their powering mechanism in nearby AGN

Colloquium Astronomy Colloquium (2019 Fall Semester) * Date Oct. 31 * Speaker Dr. Bernd Husemann (MPIA) * Title Characterizing multi-phase gas outflows and their powering mechanism in nearby AGN * Abstract     Active Galactic Nuclei are thought to play a crucial role in the evolution of massive galaxies. In particular, fast outflows are frequently […]

Introduction to nearby young stellar moving groups

Colloquium Astronomy Colloquium (2019 Fall Semester) * Date Nov. 14 * Speaker Dr. Jinhee Lee (Kyung Hee Univ.) * Title Introduction to nearby young stellar moving groups * Abstract     Nearby young moving groups (NYMGs hereafter) are loose stellar associations located within 100 pc of the Sun with ages of 5-100 Myr. NYMGs are […]

Mapping the Milky Way with Astrometry

Colloquium Astronomy Colloquium (2019 Fall Semester) * Date Nov. 21 * Speaker Dr. Nobuyuki Sakai (KASI) * Title Mapping the Milky Way with Astrometry * Abstract     Astrometry is the only way to derive 6D-phase information of the astronomical objects. The unique capability allows us to tackle a wide variety of astronomical mysteries. Firstly, […]