Science October 1, 2012

Discovery of an Ancient Celestial City Undergoing Rapid Growth: A Young Protocluster of Active Star-Forming Galaxies

A team of astronomers has discovered an ancient protocluster of galaxies in the midst of a vigorous process of formation. It is the densest...

Science September 28, 2012

Radio Interferometer Measure the Edge of a Black Hole

International research team including Mareki HONMA and Tomoaki OYAMA (NAOJ) has for the first time succeeded the measurement of the edge of ...

Topics September 13, 2012

Hyper Suprime-Cam Ushers in a New Era of Observational Astronomy

The installation of Hyper Suprime-Cam (HSC) onto the Subaru Telescope took place on August 16-17, 2012. The availability of this extraordina...

Science September 4, 2012

Discovery of the “Pigtail” Molecular Cloud

A research team of the Department of Physics, Keio University, has discovered a molecular cloud with a peculiar helical structure by observa...

Topics September 4, 2012

Dr. Kaifu, the Former Director General of NAOJ, Takes the Position as the New IAU President

On August 30, 2012, the General Assembly (GA) of the International Astronomical Union (IAU), meeting in Beijing, China, has named Dr. Norio ...

Science August 29, 2012

Result from ALMA: Building blocks of life found around young star

A team of astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) has spotted sugar molecules in the gas surrounding a you...

Science August 3, 2012

Subaru Telescope Reveals 3D Structure of Supernovae

A research group used the Subaru Telescope to conduct observations that revealed a clumpy 3D structure of supernovae. This finding supports ...

Science July 20, 2012

‘Seeds’ of Massive Black Holes Found at the Center of the Milky Way Galaxy

Overview A research team at Keio University, led by Associate Professor Tomoharu Oka, has discovered intermediate-mass black hole (IMBH) can...

Science June 25, 2012

Multiple Mergers Generate Ultraluminous Infrared Galaxy

A team of astronomers has concluded that the ultraluminous infrared galaxy (ULIRG) Arp 220 developed from a multiple merger among four or mo...

Science June 21, 2012

ALMA Reveals Constituent of a Galaxy at 12.4 Billion Light-Years Away

An international research team, led by Associate Professor Tohru Nagao from Kyoto University, and including researchers from Japan and Europ...