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…
ALMA Discoveries
281 - 300 / 382
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…
2008.09.16
Lunar eclipse observed with a radio telescope
These moving images show the moon during the total lunar eclipse which was observed from February 20 through 21, 2008. Using the ACA antenna with fast servo pe…
2008.09.12
PDR for the ACA 7-m Antenna
From September 9 through 11, the Preliminary Design Review (PDR) for the ACA 7-m Antenna, developed by ALMA-J, was held in Amagasaki, Japan. In the review, its…
2008.08.28
Moving images of "Synchronous driving of Japanese antennas at the OSF" were released.
“Moving images of antennas”
2008.08.27
Installation of Back End
On August 27, the Back End system was installed in an ACA-12m antenna at the Operations Support Facility (OSF). The picture shows the staff members pleased wit…
2008.08.22
Electrical Interface Test with a Transporter
Using the ACA antenna #4, an electrical interface test was conducted between the antenna and a transporter (antenna carrier). This was the first time that a Ja…
2008.08.21
Synchronized Driving of Four ACA Antennas
In the daytime of August 21, four ACA antennas were driven synchronously for the first time at the Operations Support Facility (OSF). It was very impressive to…
2008.07.28
Radio spectrum observed with the first antenna
This is an analysis result of the radio spectrum of CS molecular gases (rotational transition J=3-2, 146.969026 GHz) in a celestial object called Orion KL, whi…
2008.05.31
ALMA Booth at the Japan Geoscience Union Meeting 2008
From May 25 through 30, the Japan Geoscience Union Meeting 2008 was held in the international exhibition hall at Makuhari Messe, and NAOJ set up a booth featur…
2008.05.14
Radio image of the sun obtained using the first antenna
These are radio images of the sun, which were obtained using the first ACA 12-m antenna manufactured by Japan. In these images, white color indicates strong in…
2008.04.15
First four ACA 12-m antennas were completed at the OSF
The first four 12-m antennas of ALMA-Japan constructed at the ALMA Operations Support Facility in Chile.
2008.04.01
Tetsuo Hasegawa becomes Interim ALMA Project Manager
From May 1, Tetsuo Hasegawa, Professor at NAOJ, will be Interim ALMA Project Manager at the Joint ALMA Office (JAO). On April 1, prior to the assignment, he wa…
2008.03.18
Result of the initial testing of the Japanese ACA 12-m antenna
Result of the Initial Testing of the Japanese ACA 12-m Antenna to be Delivered to ALMA First Radio Image of the Moon Taken with an ACA Antenna (Left: Optical i…
2008.02.27
Antenna Surface Adjustment
Surface adjustment of a 12-m antenna is conducted using a manlift. The smoothness of the surface is measured by radio holography to achieve a surface accuracy …
2008.02.27
PDR of Band-10 Cartridge Receiver
In Mitaka, the Preliminary Design Review of Band-10 Cartridge Receiver (787-950 GHz) developed by Japan was held on February 26 and 27. The Band-10 Team of NAO…
NEW ARTICLES
2024 4.22
A Young ALMA Researcher Won Commendation for Science and Technology by MEXT
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- ALMA Topics ALMA People
A young ALMA researcher, Dr. Takuma Izumi at NAOJ received the Young Scientists’ Award, 2024 Commendation for Science a…
2024 4.11
Twinkle Twinkle Baby Star, 'Sneezes' Tell us How You Are
Astronomers have discovered the remnants of powerful ‘sneezes’ expelling gas, dust, and electromagnetic energy around s…
2024 3.28
A Glimpse by Molecules - a Production Line Inside a Busy Star Factory in a Starburst Galaxy
An international research team led by Sergio Martín of the European Southern Observatory/Joint ALMA Observatory, Nanase…
