Protoplanetary Disks Revealed by Millimeter Interferometers

Colloquium Astronomy Colloquium (2016 Spring Semester) * Date March 10 * Speaker Dr. Woojin Kwon (KASI) * Title Protoplanetary Disks Revealed by Millimeter Interferometers * Abstract     Circumstellar disks of young stellar objects (YSOs) at a later stage are often called protoplanetary disks, as they are the natal place of protoplanets. In this talk, […]

Introduction to the New Solar Telescope and its Instruments: Focusing on the Fast Imaging Solar Spectrograph and the Near-IR Imaging Spectropolarimeter

Colloquium Astronomy Colloquium (2016 Spring Semester) * Date March 17 * Speaker Dr. Kwangsu Ahn (Big Bear Solar Observatory) * Title Introduction to the New Solar Telescope and its Instruments: Focusing on the Fast Imaging Solar Spectrograph and the Near-IR Imaging Spectropolarimeter * Abstract     The 1.6 m New SolarTelescope at Big Bear Solar […]

New Window for Astronomy: Gravitational Waves

Colloquium Astronomy Colloquium (2016 Spring Semester) * Date March 22 * Speaker Prof. Hyung-Mok Lee (SNU) * Title New Window for Astronomy: Gravitational Waves * Abstract       The gravitational waves were detected directly for the first time on September 14 at 18:51 (Korean Standard Time) by twin LIGO detectors located at Livingston, Louisiana […]

Growth of Seed Black Holes

Colloquium Astronomy Colloquium (2016 Spring Semester) * Date March 24 * Speaker Dr. Kwangho Park (Georgia Tech) * Title Growth of Seed Black Holes * Abstract     Discovery of billion solar mass quasars at high redshift poses a challenge for modeling the initial seed black hole formation and subsequent growth history. Thus, radiation-hydrodynamic simulation […]

과학을 사랑하면 꼭 (과학과) 결혼해야 하나요? (500동 1층 목암홀에서)

Colloquium Astronomy Colloquium (2016 Spring Semester) * Date March 31 * Speaker 이기형 회장 (인터파크/카오스재단) * Title 과학을 사랑하면 꼭 (과학과) 결혼해야 하나요? (500동 1층 목암홀에서) * Abstract   Date Speaker Title Remarks March 3 Prof. Jeongwoo Lee (SNU) Recent Progress in Plasma Astrophysics   March 10 Dr. Woojin Kwon (KASI) Protoplanetary Disks Revealed by […]

Almanac during Joseon Dynasty and Reliability of Astronomical Records in the Korean Ancient historical Books

Colloquium Astronomy Colloquium (2016 Spring Semester) * Date April 21 * Speaker 이용복 교수 (소남천문학사 연구소장) * Title Almanac during Joseon Dynasty and Reliability of Astronomical Records in the Korean Ancient historical Books * Abstract     Almanac in Joseon Dynasty contains astronomical constants, calendar system, apparent motion of the Sun and the Moon, determination […]

RECOMBINATION IN SMALL-SCALE STRUCTURES DURING THE COSMIC REIONIZATION

Colloquium Astronomy Colloquium (2016 Spring Semester) * Date April 28 * Speaker Dr. Hyunbae Park (KASI) * Title RECOMBINATION IN SMALL-SCALE STRUCTURES DURING THE COSMIC REIONIZATION * Abstract     Density inhomogeneity in the intergalactic medium (IGM) on sub-Mpc scales can boost the recombination rate of ionized gas substantially, affecting the growth of H II […]

NOAO Today and Tomorrow

Colloquium Astronomy Colloquium (2016 Spring Semester) * Date May 3 * Speaker Dr. David Silva (NOAO) * Title NOAO Today and Tomorrow * Abstract     The National Optical Astronomy Observatory (NOAO) is the USA national center for ground-based optical-infrared (OIR) astronomy. It is a Federally Funded Research and Development Center (FFRDC) sponsored by the […]

X-ray constraints on the local super-massive black hole occupation fraction

Colloquium Astronomy Colloquium (2016 Spring Semester) * Date May 12 * Speaker Prof. Elena Gallo (Univ. Michigan) * Title X-ray constraints on the local super-massive black hole occupation fraction * Abstract   Models of black hole growth in the context of galaxy mergers indicate that central supermassive black holes (SMBHs) will be more often present […]