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., ...

Adaptive Optics Rest-Frame V-Band Imaging of Lyman Break Galaxies at z~3: High Surface Density Disklike Galaxies?, ApJS, 175, 1 (03/2008) Allende Prieto, C., et al., The Segue Stellar Parameter ...

The team of scientists in Tohoku Univ., Riken, Subaru Telescope, NAOJ, Univ. of Tokyo etc have developed the new grisms ("LightSmyth J/H"). They will have similar spectral resolution to the existing ...

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 should ...

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 ...

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 ...

The Hubble Classification, also known as the Hubble Sequence, is a widely recognized method for systematically categorizing galaxy morphology. Galaxies are classified into elliptical, lenticular, and ...

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 ...

An international team of astronomers used a database combining observations from the best telescopes in the world, including the Subaru Telescope, to detect the signal from the active supermassive ...