2012.06.21
ALMA Reveals Constituent of a Galaxy at 12.4 Billion Light-Years Away
An international research team, led by Associate Professor Tohru Nagao from Kyoto University, and including researchers from Japan and Europe, has observed a "…
ALMA Discoveries
261 - 280 / 397
2012.06.08
Band 4 & Band 10 Manufacturing Readiness Review (MRR)
From June 6 to June 7, the Manufacturing Readiness Review (MRR) for Band 4 and Band 10 was held at the NAOJ Mitaka Campus. As a result of the review, it was co…
2012.06.01
ALMA turns its eyes to Centaurus A
A new image of the center of the distinctive galaxy Centaurus A, made with the Atacama Large Millimeter/submillimeter Array (ALMA), shows how the new observato…
2012.05.29
First Test Polarization Observation with ACA Antennas and ACA Correlator
On April 29 (Chilean time), we conducted a test polarization observation using five Japanese 7-m ACA (Atacama Compact Array) antennas and a Japanese ACA correl…
2012.05.02
Successful Interferometer Test with Two Japanese Antennas 1966 m away
On the night of April 28 (Chilean time), interference fringes were successfully detected in an interferometer test using two Japanese antennas at a distance of…
2012.04.12
ALMA Reveals Workings of Nearby Planetary System
A new observatory still under construction has given astronomers a major breakthrough in understanding a nearby planetary system that can provide valuable clu…
2012.04.02
NAOJ Chile Observatory Established
On April 1, 2012, the NAOJ Chile Observatory was established as a center of NAOJ’s research activities in Chile. Since April 2000, the NAOJ ALMA Project …
2012.02.03
ALMA EA-FEIC Completed the Last ACA Receiver System
On January 4, the ALMA East Asia Front-End Integration Center (EA-FEIC) in Taiwan completed the fabrication and evaluation of all the receiver systems for the …
2011.11.21
25 Antennas at AOS
On November 15, one more North American 12-m antenna was transported from the Operations Support Facility (OSF) at 2900 m to the Array Operations Site (AOS) at…
2011.10.03
ALMA Opens Its Eyes
The most powerful millimeter/submillimeter-wavelength telescope in the world opens for business and reveals its first image Humanity’s most complex grou…
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…
2011.08.11
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…
2011.06.06
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…
2011.04.26
First Successful Interferometer Test with Two Japanese Antennas
On March 10, 2011, at the Operations Support Facility (OSF) at 2900 m asl., radio waves emitted by the Sun were collected by two 12-m Japanese antennas and in…
2010.12.12
Nine 12-m Antennas at AOS
On December 12, an American antenna of 12 m in diameter was transported from OSF (2,900 m asl) to AOS (5,000 m asl), bringing the total number of the antenna…
2010.12.08
ALMA Board Statement on Early Science
— ALMA Board Statement on Early Science — “At its meeting on November 16th-18th 2010, the ALMA Board noted the tremendous recent progress in…
2010.12.08
Test Image 1: Spiral Galaxy NGC253
This shows the well-known spiral NGC253, with an optical image of the whole galaxy on the left (credit: ESO). The ALMA test images show dense clouds of gas in …
2010.12.08
Test Image 2: Hot Molecular Core G34.26+0.15
An example of ALMA’s potential as a spectroscopic instrument: on the left is the map of the molecular “hot core” G34.26+0.15, which is unreso…
2010.12.08
Test Image 3: Disk around Bata-Pictoris
This shows the emission from the disk of dust surrounding the star Beta-Pictoris. On the left is an image at 70 microns from Herschel, (Olofsson et al., SDP Pr…
NEW ARTICLES
2025 12.10
In ancient stellar nurseries, some stars are born of fluffy clouds Observations of the Small Magellanic Cloud: insights into star formation in early-universe-like environments
(This news is based on the press release from Kyushu University on September 24, 2025)
In today’s Unive…
2025 11.18
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…
