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

Triple Ring Galaxy（2MASX J22361103+0124304）Triple Ring Galaxy（2MASX J22361103+0124304） November 6, 2024 Last updated: November 28, 2024 ...

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.

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 ...

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 ...

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 ...

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 ...

愛媛大学、国立天文台などの研究者からなる研究チームが、すばる望遠鏡の観測により、合体中の2つの巨大ブラックホール（クェーサー）を発見しました。このクェーサーのペアは、これまでに知られている中で最も遠方にあるだけでなく、「宇宙の夜明け」と呼ばれる時代でその存在が ...

Figure 2: A schematic illustration of the laser guide star adaptive optics system. The artificial guide star is created in the direction of the target by the laser beam emitted from the back of the ...

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 ...