2010.05.29
Four 12-meter Antennas at AOS
At the Array Operations Site (AOS), there are currently four 12-meter antennas, which are under the performance evaluation. Since each of the antennas is usual…
ALMA Discoveries
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2009.12.25
ALMA Video "Japanese ALMA antenna became the first to arrive at the ALMA 5000 m site." was released.
View This Video Other ALMA Videos
2009.10.29
ACA 7-m Antenna Arrived at the OSF
The ACA 7-m antenna, which entered a Chilean port on October 26, safely arrived at the ALMA Operations Support Facility (OSF) in the evening of October 29 (aft…
2009.10.26
ACA 7-m Antenna Arrived in Chile
The first ACA 7-m Antenna, shipped from the Port of Kobe on September 20, safely arrived in Chile after a one-month journey. According to a crew, the sea was c…
2009.09.04
First Shipment of a Band 4 Receiver Cartridge
The first Band 4 receiver cartridge was shipped overseas. Members of the Band 4 Cartridge Team were watching the truck carrying the cartridge as if sending off…
2009.09.04
ALMA Video-6 "Construction of ALMA 2007" and ALMA Video-7 "Construction of ALMA 2008" were released.
View ALMA Video-6 “Construction of ALMA 2007” View ALMA Video-7 “Construction of ALMA 2008” Other ALMA Videos
2009.07.28
ACA Antenna Pads at the AOS
Antenna pads for the Atacama Compact Array (four 12-m antennas and twelve 7-m antennas constructed by NAOJ) have been prepared at the Array Operations Site (AO…
2009.06.25
Band 4 and Band 8 Critical Design Review
From June 22 through 25, the Critical Design Review (CDR) for Band 4 and Band 8 receivers, developed by ALMA-J, was held in Mitaka, and their final design was …
2009.06.16
NAOJ successfully developed the Band 10 receiver
NAOJ successfully developed the Band 10 receiver covering the frequency band from 787 GHz to 950 GHz, whose development was thought to be the most difficult am…
2009.06.12
Press Conference for the Band 10 Receiver
On June 12, NAOJ held a press conference in Mitaka to announce that the Band 10 Receiver covering the frequency band from 787 GHz to 950 GHz was successfully d…
2009.05.22
Safety Review for the ACA 7-m Antenna
From May 21 through 22, the Safety Review for the ACA 7-m antenna, developed by ALMA-J, was held in Amagasaki, Japan. This was the first time that the 7-m ante…
2009.05.21
ALMA Booth at the Japan Geoscience Union Meeting
From May 16 through 21, the Japan Geoscience Union Meeting 2009 was held in the international exhibition hall at Makuhari Messe, and NAOJ set up a booth featur…
2009.05.06
ALMA Succeeded in its First Interferometer Test
On April 30, The Atacama Large Millimeter/submillimeter Array, a gigantic radio telescope project under construction in northern Chile, reached a major milesto…
2009.03.26
ASJ Spring Meeting 2009
From March 24 through 27, the Astronomical Society of Japan (ASJ) held its Spring Meeting 2009 at the Osaka Prefecture University. In the afternoon of March 26…
2009.01.09
The first East Asian receiver system was completed at the OSF
In the ALMA Project, receiver cartridges of all the bands developed in several regions are shipped to three Front End Integration Centers (FEICs) in three main…
2009.01.08
Antenna is transported to the JAO area
An ACA (Atacama Compact Array) 12-m Antenna, which was delivered to JAO (Joint ALMA Observatory) as the first antenna on 2008 December 19, was moved out from t…
2008.12.12
ASTE Science Workshop
From December 11 through 12, the ASTE Science Workshop was held at NAOJ in Mitaka. In the workshop, they summarized past achievements of ASTE, and held active …
2008.12.09
ACA 12-m Antenna successfully transferred by a Transporter
ALMA (Atacama Large Millimeter/submillimeter Array) is under construction in Chile in global partnership between East Asia, Europe, and North America. On Decem…
2008.11.07
Test Dewar for Receiver Cartridges
The NAOJ Advanced Technology Center (ATC) in Mitaka fabricates test dewers for receiver cartridges and delivers them to the ALMA receiver cartridge development…
2008.10.16
Installation of the Receiver System (Front End)
A receiver system called front-endEwas installed in one of the ACA 12-m antennas at the Operations Support Facility (OSF). The Front End is a system to receive…
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Astronomers discover a superheated star factory in the early universe ~Hot dust indicates the rapid growth of the early galaxy~
This news is based on the press release from Chalmers University of Technology.
Astronomers have uncover…
2025 11.10
NAOJ and KASI Sign ALMA Collaboration MoU Amendment
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NAOJ Director General Mamoru Doi (left) and KASI President Jang-Hyun Park (right) (credit: KASI). The National Astronom…
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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…
