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

The Faint Object Camera and Spectrograph (FOCAS) is a versatile optical imaging and spectroscopy unit which can be installed at the Cassegrain focus of Subaru Telescope. FOCAS uses refracting optics ...

Notes: See “CCD information” for the detail. The CCDs are arranged on the focal plane with two different gaps of approximately 12 arcsec and 53 arcsec between neighboring CCDs. We recommend that you ...

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 ...

InfraRed Doppler (IRD) InfraRed Doppler (IRD), which experienced the first light in 2018, is an infrared instrument used in the search for exoplanets (extrasolar planets). IRD is specialized for ...

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.

アメリカ・ハワイのマウナケアの山頂域にある「すばる望遠鏡」は、自然科学研究機構国立天文台ハワイ観測所が運用する口径 8.2 メートルの光学赤外線望遠鏡です。

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 ...

ハワイ観測所かんそくじょの職員しょくいんの多くは、すばる望遠鏡ぼうえんきょうのあるハワイではたらいていますが、東京の三鷹みたかキャンパスではたらく人もいて、わたしもその一人です。 観測かんそくや国際会議こくさいかいぎのため、ハワイやその他の外国に行くこともあります ...

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 ...

Performance of Subaru AO188 Performance of AO is characterized by a Strehl ratio (a peak intensity normalized by that of PSF without any turbulence) and FWHM of the PSF. These depend on a the AO guide ...

The observatory of the Subaru Telescope was officially established in April 1997, following the completion of its base facility building in Hilo, Hawaii. "Subaru Telescope" can refer to the telescope ...