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 ...

An international team of astronomers has discovered a tightly packed cluster of supermassive black holes dating back 10.8 ...

Observers are required to establish and document proper observation procedures by contacting with the Support Astronomer (SA) beforehand. Please plan with your SA regarding your research details by ...

PSZ2 G181.06+48.47. III. Weak-lensing Analysis and Merging Scenario Reconstruction of a Low-mass Cluster with Exceptionally Distant Radio Relics, ApJ, 984, 26 (05/2025) Andika, I. T., et al., ...

This section contains useful information for astronomers that is not specific to Subaru Telescope. If you are looking for information to help you write a proposal or prepare for an observing run, ...

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 ...

Night supports by the telescope operation group is limited to the on-call off-site support by 9 pm due to increasing demand for maintenance work for the aging telescope and dome. On-site ...

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 ...

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. AO188 module is mounted on the Nasmyth ...

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） この画像集は、ハワイ ...