The characters “ACA” (Atacama Compact Array) were drawned by photographing Jupiter with antenna moving. One of the first three Japanese ACA antennas for ALMA was used, and the image was taken with an optical telescope with a CCD mounted on the antenna.
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…
