2011.09.13
First Japanese 7-m Antenna Installed at AOS
On August 25, the first 7-m antenna manufactured by Japan was transported to the Array Operations Site (AOS) at 5000 m asl from the Operations Support Facility…
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2011.09.12
Moonlit Antennas and the Southern Cross
The picture shows the ALMA Array Operations Site (AOS) at 5000 m asl on the night of September 4. Under the starry sky, the antennas are shining brightly refle…
2011.09.08
ALMA East Asia Development Workshop 2011
On September 8, ALMA East Asia Development Workshop 2011 was held at the NAOJ Mitaka Campus with about 40 participants including researchers and engineers from…
2011.09.02
Successful Interferometer Test with Japanese 7-m and 12-m Antennas at AOS
On September 2, an interferometer test was conducted with the first Japanese 7-m and first 12-m antennas at the Array Operations Site (AOS) at 5000 m asl and i…
2011.08.25
Nineteen Antennas at AOS
On August 25, one Japanese 7-m antenna was transported from the Operations Support Facility (OSF) at 2900 m asl to the Array Operations Site (AOS) at 5000 m as…
2011.08.20
Nobeyama Open Campus 2011
On August 20, the NAOJ Nobeyama Open Campus 2011 was held at the Nobeyama Radio Observatory (NRO) in Nagano prefecture. Although it rained all day, as many as …
2011.08.13
Eighteen 12-m Antennas at AOS
On August 13, one more 12-m antenna was transported from the Operations Support Facility (OSF/2900 m asl) to the Array Operations Site (AOS/5000 m asl) by the …
2011.08.11
Successful Interferometer Test with Two Japanese 7-m Antennas
On August 11, an interferometer test using two Japanese 7-m antennas was conducted at the Operations Support Facility (OSF) at 2900 m asl and interference frin…
2011.08.11
Successful Interferometer Test with Sixteen 12-m Antennas
On August 6, an interferometer test was conducted at the Array Operations Site (AOS) at 5000 m asl and fringes of 120 baselines were successfully obtained with…
2011.08.05
Seventeen 12-m Antennas at AOS
On July 31, three days after the arrival of the sixteenth antenna at the Array Operations Site (AOS) at 5000 m asl, one more Japanese 12-m antenna was transpor…
2011.08.04
Sixteen 12-m Antennas at AOS
On July 28, one more 12-m antenna was transported from the Operations Support Facility (OSF) at 2900 m to the Array Operations Site (AOS) at 5000 m asl, just a…
2011.07.26
All Four Types of ALMA Antennas at AOS
ALMA has four types of antennas (three types of 12-m antennas and one type of 7-m antenna), two of which (one 12-m and one 7-m) are developed and manufactured …
2011.07.22
Band 8 Manufacturing Readiness Review (MRR)
On June 29, the Manufacturing Readiness Review (MRR) for Band 8 (one of the three receiver cartridges to be developed and manufactured by Japan) was held at t…
2011.07.12
Unusual heavy snow in the Atacama Desert
From the end of June through the beginning of July, it snowed heavily in the Atacama Desert in Northern Chile where ALMA is under construction. Since Chile is…
2011.07.04
ALMA Management Integrated Product Team Meeting
People from various countries are working on the ALMA project to construct an international astronomical facility in the Atacama Desert in Northern Chile in c…
2011.06.27
Smog in Santiago
While June is a rainy season before summer in Japan, it’s turning into winter in Chile in the southern hemisphere. The city of Santiago, where ALMA-J Chi…
2011.06.17
Fifteen 12-m Antennas at AOS
On June 14, another 12-m antenna was transported from the OSF (2900 m asl) to the AOS (5000 m asl). Now, fifteen 12-m antennas have been installed at the AOS.…
2011.06.10
Animals living in the Atacama Desert
The Atacama Desert where ALMA is under construction is the habitat of various animals. In the lakeside of the Salar de Atacama (Atacama Salt Lake, 2300 m asl)…
2011.06.08
Salar de Atacama reflecting the morning sun
In the early morning of May 17 (Chilean time), the Salar de Atacama (Atacama Salt Lake, 2300 m asl) turned to an orange color reflecting the morning sun risin…
2011.06.06
Successful Interferometer Test with Japanese 7-m antenna and 12-m antenna
On May 30, radio waves emitted by a variable star VX Sagittarii were collected by a Japanese 7-m antenna and a 12-m antenna, and interference fringes were suc…
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Dr. Akimasa Kataoka at NAOJ received the Young Scientists’ Award, 2025 Commendation for Science and Technology by the M…
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