The research team led by Satoru Iguchi, Associate Professor of NAOJ, succeeded in observing a very close binary black hole in the center of 3C66B (a giant elliptical galaxy within the cluster A347) just before its black hole merger.
It was estimated that these two black holes could be merged in approximately 500 years. The observation was conducted with
On March 21, 2025, NAOJ participated in the public event "Open Day 2025" held at the Joint ALMA Observatory in Santiago…
NAOJ ALMA is exhibiting a booth at the Japan Geoscience Union (JpGU) Meeting every year. This year’s event was held fro…
A research team led by Shuo Huang (NAOJ and Nagoya University) has observed a massive and extremely active barred spira…
