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…
ALMA Discoveries
281 - 300 / 388
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…
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…
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