The Vera C. Rubin Observatory released its first images taken with the world’s largest digital camera on June 23, 2025 (local ...

A Giant Cluster of Supermassive Black Holes Supermassive black holes, known as quasars, shine like cosmic beacons due to the vast amounts of energy released as they actively consume matter from their ...

ベラ・C・ルービン天文台は、世界最大のデジタルカメラによる観測画像を 2025年6月23日（現地時）に初公開しました。今後、このカメラを用いた大規模撮像探査プロジェクト「LSST（Legacy Survey of Space and Time）」が本格的に始まります。LSST には、国立天文台の研究者を含む日本の研究者も多く ...

System Overview of Subaru AO188 AO188 module Subaru AO188 is an 188 element curvature sensor adaptive optics system that are operated in both natural guide star (NGS) and laser guide star (LGS) modes.

Jellyfish Galaxy (UGC 9326 & UGC 9327)Jellyfish Galaxy (UGC 9326 & UGC 9327) July 3, 2024 Last updated: November 28, 2024 ...

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 ...

Figure 1: Dark matter in the Perseus Cluster. The distribution of dark matter (in blue) is overlayed on an image taken by Hyper Sprime-Cam on the Subaru Telescope. The newly detected subcluster ...

NASA's New Horizons spacecraft was launched in 2006 with the critical mission of observing the surfaces of outer Solar System bodies up close for the first time in human history; it successfully ...

TheSubaru Telescope's "Subaru-Asahi Star Camera" has been live-streaming the spectacular starry skies above Maunakea every day since April 2021 (Note 1). Hundreds of people enjoy the beautiful night ...

Subaru Service Program 1. Definition Service Program is for observing proposals which require less than or equal to 4 hours including all the "open-dome" calibrations and overheads. All Service ...

PFS will be one of the flagship instruments of the "Subaru Telescope 2.0" era. Taking advantage of the Subaru Telescope’s ultrawide field of view, approximately 1.3 degrees in diameter at the prime ...

Detail ： GJ 504 b is an exoplanet orbiting a sun-like star GJ 504. It is estimated to be three to six times more massive than Jupiter, making it the least massive planet ever directly imaged. This ...