An international team of astronomers has solved one of the longstanding cosmic mysteries by uncovering direct evidence of a ...

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 ...

COIAS (Come On! Impacting ASteroids) is a web-based application that lets anyone search for Small Solar System Bodies (SSSBs) ...

Graduate students from the Graduate University for Advanced Studies (SOKENDAI) participated in an observational training ...

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。

CLOSING DATE: April 30, 2025, or until filled. Applications received after this deadline may be considered only if the position is not filled or up to the date a selection has been approved by the ...

私たちの住む太陽系は天の川銀河（銀河系）の中にあります。そのため星空を観測する際は、どの方向を見ても、銀河系の広がりの一部である「恒星ハロー」と呼ばれる領域を通して、より遠くの宇宙を眺めることになります。この恒星ハローには、最近の ...

All values (except M-band) are estimated after recoating of infrared secondary mirror conducted on Nov 2019. For values without AO, please see here. (1) The sensitivities will be improved about 1-2 ...

NGC 4030 is a face-on spiral galaxy located in the constellation Virgo. It exhibits prominent grand-design spiral arms, accompanied by dense, obscuring dust lanes composed of interstellar dust. Each ...