Topics January 16, 2025

First Solar Images from Sunrise-Ⅲ

The first images have been published from the Sunrise-Ⅲ balloon-borne solar telescope’s successful 6.5-day stratospheric flight in July 2024.

Topics January 10, 2025

Prime Focus Spectrograph on the Subaru Telescope to Begin Science Operations in February

Researchers have finished equipping the Subaru Telescope with a new special “compound eye,” culminating several years of effort. This instrument, the Prime Focus Spectrograph (PFS), will be ready to begin scientific operations in February 2025.

Topics January 7, 2025

A new-year’s message from the Director General, NAOJ

Everyone, happy new year of the Snake. I would like to say a few words to mark the start of 2025. It has been nine months since I assumed th...

Topics December 18, 2024

Strands from Cosmic Spiderweb Connect to Subaru Telescope

An international research team has used the James Webb Space Telescope (JWST) to observe massive galaxies discovered by the Subaru Telescope in a corner of the early Universe known as the Spiderweb protocluster. The JWST results confirm what had been suggested from the Subaru Telescope observations, namely that supermassive black hole activity can truncate the growth of galaxies.

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Topics December 13, 2024

President of Planetarium Torreón of Mexico and his Entourage Visit NAOJ Mitaka Headquarters

On December 9, 2024, Mr. Eduardo Hernandez, President of the Planetarium Torreon of Mexico and his team, including Mr. Cosme Garcia, Counsellor for Education, Science and Technology Cooperation from the Embassy of Mexico in Japan, visited NAOJ Mitaka Campus.

Topics December 2, 2024

Supercomputer “ATERUI III” Opens New Era of Simulation Astronomy

The Center for Computational Astrophysics at NAOJ has introduced the HPE Cray XD2000 system as a new supercomputer to replace the current dedicated astronomy supercomputer “ATERUI II.” The operation of the new system began on December 2, 2024, at NAOJ Mizusawa Campus in Oshu City, Iwate Prefecture. The new system has been nicknamed NS-06 “ATERUI III,” inheriting the name from its predecessor.

Topics October 2, 2024

Ceremony Held to Commemorate the 100th Anniversary of the Relocation of the National Astronomical Observatory of Japan (Formerly the Tokyo Astronomical Observatory) to Mitaka

The National Astronomical Observatory of Japan (NAOJ) celebrated the 100th anniversary of the relocation of the Tokyo Astronomical Observatory (a precursor to NAOJ) to Mitaka-mura, Kita-Tama-gun, Tokyo (now Mitaka City, Tokyo) on September 1, 1924.

Topics September 30, 2024

United Nations Secretary-General Visits ALMA

ALMA received a visit from UN Secretary-General António Guterres, who explored the array site high in Chile’s Atacama Desert.

Topics September 27, 2024

Ms. Kaho Morii Receives the 19th L’Oréal-UNESCO For Women in Science Japan Fellowship Award

Ms. Kaho Morii, a third-year doctoral student in the University of Tokyo Department of Astronomy and entrusted graduate student at NAOJ, received the L’Oréal-UNESCO For Women in Science Japan Fellowship Award.

Topics September 13, 2024

Subaru Telescope Inspires JWST “Firecracker” Discovery

The stunning image of a “firecracker” at the edge of the Milky Way Galaxy recently released by NASA’s James Webb Space Telescope (JWST), would not have happened without previous observations of the same area by the Subaru Telescope.