Thanks to the long-term efforts of the Subaru community and international collaborations, the Prime Focus Spectrograph (PFS) has begun science operations this spring, and a large amount of exciting ...

Equipped with a groundbreaking new instrument, the Subaru Telescope is opening a new window into the Universe, allowing astronomers to see deeper into space than ever ...

The Subaru Telescope's wide and deep imaging observations are contributing information to the New Horizons spacecraft as it moves through the outer Solar System. By applying a unique analysis method ...

The Subaru Telescope has revealed a fourth member of the sednoids, a group of small bodies with peculiar orbits around the outer edge of the Solar System that includes Sedna. The new object, ...

The Subaru Telescope has started a new outreach camera project in collaboration with the Asahi-Shimbun, one of the most popular newspapers in Japan. This camera is used for live streaming of the night ...

An international team of astronomers has discovered a tightly packed cluster of supermassive black holes dating back 10.8 billion years―the most extreme concentration of such objects ever found in the ...

Astronomers have discovered "dust-shrouded supermassive black holes" in the early Universe, less than one billion years after the Big Bang — a type of object that had previously escaped detection. An ...

Researchers have finished equipping the Subaru Telescope with a new special "compound eye" culminating several years of effort. This new eye is an instrument featuring approximately 2,400 prisms ...

(1): This percentage represents 100 x ([On-source Integration Time]) / [Total Integration Time]). (2): This percentage represents 100 x ([On-source Integration Time ...

The MBQ1 (Medium Band Quadrant) filter is newly opened for open-use observations in Semester S26A. If you wish to use this filter during the period of S26A through S27A, you must obtain an approval in ...

Subaru AO188 is an 188-element curvature sensor adaptive optics system that is operated in both natural guide star (NGS) and laser guide star (LGS) modes. AO188 module is mounted on the Nasmyth ...

Before dawn on March 3, 2022 (Hawai`i Standard Time), Subaru Telescope achieved the first launch of a new laser guide star system, upgraded and used for the Subaru Telescope’s adaptive optics system.