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

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 ...

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。

Notes Our observatory usually acquires 10 biases, 5 darks, and 10 dome flats with each filter for science calibration in every HSC observing run. In addition, basically, a spectrophotometric standard ...

New results achieved by combining big data captured by the Subaru Telescope and the power of machine learning have discovered a galaxy with an extremely low oxygen abundance of 1.6% solar abundance, ...

長らく「静穏な銀河団の典型例」とされてきたペルセウス座銀河団に、かつての大規模な合体の直接的な証拠が確認されました。国際研究チームは、すばる望遠鏡の観測データと重力レンズ効果を用いた解析により、約 50 億年前に銀河団と衝突したとみられるダークマターの巨大なかたまりと ...

Using the Subaru Telescope and Gemini North telescope, both located on Maunakea in Hawai`i, an international team of astronomers has found the earliest pair of quasars, monsters shining with intense ...

国立天文台、東京大学などの研究チームは、すばる望遠鏡搭載の超広視野主焦点カメラ Hyper Suprime-Cam を用いた大規模探査観測データから、重力レンズ効果の解析に基づく史上最高の広さと解像度を持つダークマターの「地図」を作成しました (図1、動画)。この「地図」からダークマターの塊の ...

Observing with Subaru Telescope Information and Rules for Observers Please read and understand these. Schedule The current observing schedule of Subaru Telescope Support schedule and list of Subaru ...

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 ...

determine parameters for "hdsql". The parameter "indirec" is the raw data directory confirmed in [1] + header of raw data file name ("HDSA000" usually). And file number without header should be ...

IRCS Polarimetry Linear polarimetry with IRCS and AO188 is available in two settings (near-infrared [NIR] 0.95−2.5μm and thermal-infrared [TIR] 1.92−4.80μm), which are offered on a shared-risk basis.