The Vera C. Rubin Observatory released its first images taken with the world’s largest digital camera on June 23, 2025 (local time). This marks the beginning of the Legacy Survey of Space and Time ...

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 ...

When we look up at the night sky, we see stars that appear to twinkle. This twinkling occurs because the light from the stars is disturbed by turbulence in Earth’s atmosphere caused by changes in the ...

国立天文台や東京大学の研究者を含む国際共同研究チームは、くじら座の方向の約 108 億年前の宇宙で 11 個の超巨大ブラックホールが一斉に輝く構造を発見しました。これほど密集した超巨大ブラックホールの集団が見つかったのは、初めてのことです。すばる望遠鏡による広視野観測と ...

Data Rights and Archiving Observers of Subaru Telescope will have exclusive access to their data for a period of 18 months (548 days) from the time of observation, after which the data will be made ...

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 ...

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 ...

4. Abstract (except for Service Program) Provide a clear and concise description of your proposed observations and their scientific importance in approximately 200 words. The abstract of all the ...

The following tables list filters available for open use observation of the HSC, together with their sensitivities. The transmission curves measured at the center of filters are available as plots and ...

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.

Detail ： The Subaru Telescope, located near the summit of Maunakea, benefits from clear skies that enable optimal astronomical observations. Its cylindrical dome is designed to promote effective ...

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 ...