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…
ALMA Discoveries
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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…
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 …
2008.02.15
Installation of the Receiver
From February 7 through 15, the first receiver was installed into the ACA antenna. To safely install the receiver weighing about 1 ton, we had to make a delibe…
2007.12.19
ACA Correlator and its Monitor and Control System Installed
ACA Correlator and its Monitor and Control System made by Fujitsu Co. Ltd. were installed at ALMA Array Operations Site (alt. 5000 m).
2007.12.06
Characters drawn with a Japanese ACA antenna for ALMA
The characters “ACA” (Atacama Compact Array) were drawned by photographing Jupiter with antenna moving. One of the first three Japanese ACA antenna…
2007.10.12
First three Japanese 12-m antennas were assembled at the OSF
Japan is responsible for manufacturing 16 antennas in total for ALMA. The first three Japanese antennas assembled looked very beautiful.
2007.10.04
Success of Antenna Driving Test
At the ALMA Operations Support Facility in Chile, the first driving test of the Japanese ACA 12-m Antenna #1 was carried out. The antenna monitor and control s…
2007.09.19
ALMA Head of Administration Meeting
From September 18 through 19, the ALMA Head of Administration Meeting was held at NAOJ in Mitaka, Tokyo, jointly by the Joint ALMA Office (JAO) in Chile and th…
2007.09.10
ALMA External Review
From September 10 through 12, a three-day joint external review of the ALMA project was held in Santiago, Chile. From Japan, 7 people attended the meeting: Nob…
2007.07.23
Three Japanese 12-m antennas arrived at the ALMA site in Chile
Three Japanese 12-meter antennas were shipped from Tamashima Port in Okayama, Japan to Mejillones Port in northern Chile, after completing the manufacturing pr…
2007.07.11
CASA Users Test
From July 9 through 11, an internal user test of CASA (Common Astronomical Software Applications) was conducted in the headquarters of European Southern Observ…
2007.06.14
Nutator Preliminary Design Review
The Preliminary Design Review (PDR) for the nutator was held on June 13 and 14 at Academia Sinica Institute of Astronomy and Astrophysics (ASIAA) in Taiwan. Th…
2007.05.19
Japan Geoscience Union Meeting 2007
From May 19 through 24, the Japan Geoscience Union Meeting 2007 is being held at Makuhari Messe International Convention Complex. Along with other participatin…
2007.05.08
ALMA Science Advisory Committee
From May 7 through 8, the ALMA Science Advisory Committee (ASAC) was held at the University of Tokyo, and attended by 10 Japanese representatives includin…
2007.04.13
3rd Japan-Taiwan ALMA Science Workshop
The 3rd Japan-Taiwan ALMA Science Workshop was held at National Central University in Taiwan with participation of 93 people, mainly researchers from East Asia…
2007.04.12
ALMA Science Working Group
Before the 3rd Japan-China ALMA Science Workshop scheduled for April 13 and 14, ISM (Interstellar matter) sub-working group and Extragalactic sub-working …
2007.03.30
Biannual Meeting of ASJ (Spring 2007)
On the final day of the Astronomical Society of Japan meeting, a report related to ALMA was given in the session on the ground-based instruments. The pict…
2007.03.29
ALMA Special Session
The Astronomical Society of Japan (ASJ) held its 2007 Spring Meeting at Tokai University, Hiratsuka Campus from March 28 through 30. In the afternoon of the fi…
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2024 10.8
Space oddity: Most distant rotating disc galaxy found
This article is a revised version. Please check the original press release by the European South Observatory here. This…
2024 10.4
Professor Fukagawa Named to Forbes JAPAN’s "Women in Tech 30" 2024
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In the November 2024 issue of Forbes JAPAN, Professor Misato Fukagawa, who serves as the East Asia Operations Manager o…
2024 10.3
ALMA Detects Hallmark “Wiggle” of Gravitational Instability in Planet-Forming Disk
This article is based on the press release issued by the National Radio Astronomy Observatory on September 4, 2024. Ple…
