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 …
ALMA Discoveries
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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…
2010.12.08
Test Image 4: Quasar BRI 0952-0115
As a test of ALMA’s ability to observe broad spectral lines, we observed the quasar BRI 0952-0115, which is at a redshift of z = 4.43. The object is agai…
2010.05.29
Four 12-meter Antennas at AOS
At the Array Operations Site (AOS), there are currently four 12-meter antennas, which are under the performance evaluation. Since each of the antennas is usual…
2009.12.25
ALMA Video "Japanese ALMA antenna became the first to arrive at the ALMA 5000 m site." was released.
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2009.10.29
ACA 7-m Antenna Arrived at the OSF
The ACA 7-m antenna, which entered a Chilean port on October 26, safely arrived at the ALMA Operations Support Facility (OSF) in the evening of October 29 (aft…
2009.10.26
ACA 7-m Antenna Arrived in Chile
The first ACA 7-m Antenna, shipped from the Port of Kobe on September 20, safely arrived in Chile after a one-month journey. According to a crew, the sea was c…
2009.09.04
First Shipment of a Band 4 Receiver Cartridge
The first Band 4 receiver cartridge was shipped overseas. Members of the Band 4 Cartridge Team were watching the truck carrying the cartridge as if sending off…
NEW ARTICLES
2025 6.3
Joint ALMA Observatory Open Day 2025
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- News Events ALMA Topics
On March 21, 2025, NAOJ participated in the public event "Open Day 2025" held at the Joint ALMA Observatory in Santiago…
2025 5.27
ALMA Booth at Japan Geoscience Union Meeting 2025
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- News Events ALMA Topics
NAOJ ALMA is exhibiting a booth at the Japan Geoscience Union (JpGU) Meeting every year. This year’s event was held fro…
2025 5.22
A Fierce Storm in a Giant Barred Spiral Galaxy 11 Billion Years Ago
A research team led by Shuo Huang (NAOJ and Nagoya University) has observed a massive and extremely active barred spira…
