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 個の超巨大ブラックホールが一斉に輝く構造を発見しました。これほど密集した超巨大ブラックホールの集団が見つかったのは、初めてのことです。

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 ...

If a person with both Japan and Time Exchange attributes, such as a Japanese national affiliated with a U.S. research institution, proposes to use the Subaru Telescope, he or she may choose which ...

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 ...

An international team of astronomers has discovered a tightly packed cluster of supermassive black holes dating back 10.8 billion years―the most extreme concentration of ...

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。

If nothing about MOS starts moving when MOS commands are sent, there are some troubles. When the MOS is moving normally, "MOS moving...." is displayed in the CD terminal. MOS move may take 2 min. Wait ...

The Subaru Telescope site is located on the summit of Mauna Kea, at approximately 14,000 feet. Visitors may suffer symptoms of severe mountain sickness. The altitude may also aggravate pre-existing ...

Observation can be canceled by bad weather (winter storm, high wind, high humidity, earthquake, etc.) and unexpected serious telescope or instrument trouble. The night canceled due to bad weather will ...

A simulation of high-energy gamma-ray observations with imaging Cherenkov telescopes at high altitudes, APh, 21, 381 Bundy, K., Fukugita, M., Ellis, R.S., Kodama, T ...

The quality of mechanical (open) tracking of the telescope is not sufficient for long exposures, hence a guiding system should be used in most circumstances. Currently, the guiding can be done either ...