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 (…
ALMA Technology
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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…
2008.12.19
Handover of the First Antenna to the Joint ALMA Observatory
-ALMA observatory equipped with its first 'eye'-
An ACA (Atacama Compact Array) 12-m antenna was handed over as the first antenna to the Joint ALMA Observatory, which operates ALMA (Atacama Large Millimeter/s…
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, …
2007.08.09
Assembly of three Japanese antennas started at the OSF
ALMA antennas are assembled at the OSF (Operations Support Facility) at 2900 meters, and completed antennas are transported by a dedicated transporter to the A…
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
2026 7.14
ALMA Band 8 Receiver Upgrade Successfully Passed the Preliminary Design Review
The preliminary design review of “Band 8v2,” a development project to upgrade the Band 8 receiver, one of the ten recei…
2026 7.9
Can Organic Molecules Survive a Supernova Explosion? —First Detection of Hot Cores in a Supernova Remnant—
Using the Atacama Large Millimeter/submillimeter Array (ALMA), astronomers have discovered a stellar cradle of warm mol…
2026 6.17
Toward a New Era of Astronomy: A New Step in Multi-Messenger Astronomy at Cosmological Distances - Gravitational Lensing Reveals a Connection Between Intense Star Formation 11 Billion Years Ago and High-Energy Neutrinos -
A remarkably bright galaxy affected by gravitational lensing, “Shadow Blaster,” was discovered through follow-up observ…
