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

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 ...

Subaru Open-use Policy Eligibility for each program Eligibility for each program is described in each page: Normal Program Intensive Program Service Program HSC Filler Program PFS Community Filler ...

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 ...

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 Program observations will be executed by ...

Applicants are requested to access the ProMS2.0 page to fill the webform for the application form and upload necessary files (e.g., PDF files of Scientific Justification). Please refer to ...

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.

An international team of astronomers has solved one of the longstanding cosmic mysteries by uncovering direct evidence of a massive, long-lost object that collided with the Perseus cluster. Using high ...

すばる望遠鏡の 25 周年を記念する画像集がこの3月に株式会社クレヴィスから発売されます。 -------------------- 「すばる望遠鏡 宇宙の神秘を探る」 （国立天文台ハワイ観測所 編著） 定価：定価：3,630 円（本体 3,300 円） ISBN978-4-911003-32-9 仕様：B5 判、208 頁、上製本 発売日：2025年3月28日 ...

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 ...

NGC 5257 and NGC 5258 are gravitationally interacting galaxies of similar size and mass in the constellation Virgo. The pair of spiral galaxies, also known as Arp 240, has a bridge-like interacting ...