2010.01.05
Successful Three-Antenna Interferometry at ALMA 5000-meter Site
The Atacama Large Millimeter/submillimeter Array (ALMA) has passed a key milestone crucial to producing the high-quality images that will be the trademark of t…
Press Releases
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2009.09.18
Japanese ALMA antenna became the first to arrive at the ALMA 5000 m site.
Japanese ALMA antenna became the first to arrive at the ALMA 5000 m site. Japanese ALMA antenna became the first to arrive at the ALMA 5000 m site. The ALMA (…
2009.06.16
World's Highest Performance Submillimeter (terahertz) Receiver
- Band 10, the highest frequency receiver in ALMA, was successfully developed -
The research team led by Yoshinori Uzawa (ALMA Band 10 Team Leader at the National Astronomical Observatory, Advanced Technology Center) successfully develope…
2008.03.18
Result of the Initial Testing of the Japanese ACA 12-m Antenna to be Delivered to ALMA
Mar 18, 2008 A gigantic radio telescope ALMA (Atacama Large Millimeter/submillimeter Array) is under construction in Chile through collaboration among Japan, …
2004.09.24
NINS, ESO, and NSF signed the Agreement for the Construction of the Enhanced ALMA
On September 14, the National Institutes of Natural Sciences (on behalf of Japan), the National Science Foundation (on behalf of North America), and the Europ…
2001.06.26
NAOJ developed a new technique to generate millimeter waves from optical waves
The National Astronomical Observatory of Japan (NAOJ) successfully obtained an output of approximately 1 milliwatt (more than 20 times higher than those obtain…
2001.04.05
Europe, Japan and North America Prepare for Joint Construction of the Giant Radio Telescope "ALMA" in Chile
Joint Press Release (2001 April 6) The above photograph shows how the ALMA facility may look like when it is ready at Chajnantor. Representatives f…
NEW ARTICLES
2025 9.25
Winding Motion of Planet-Forming Spirals Captured on Video for the First Time
An international research team led by Tomohiro Yoshida, a graduate student at the Graduate University for Advanced Stud…
2025 8.8
The Universe’s Secret Harvest: ALMA Sheds Light on “the Cosmic Grapes”
Super high-resolution ALMA and JWST observations unveil unexpected substructure and underlying gas dynamics in a faint,…
2025 8.5
Discovery of Protoplanetary Disk Caught in Explosion Driven by Stellar Jet
A research team led by Masataka Aizawa of Ibaraki University studied a protoplanetary disk around the young star WSB 52…
