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…
ALMA Discoveries
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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.
View This Video Other ALMA Videos
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…
2009.09.04
ALMA Video-6 "Construction of ALMA 2007" and ALMA Video-7 "Construction of ALMA 2008" were released.
View ALMA Video-6 “Construction of ALMA 2007” View ALMA Video-7 “Construction of ALMA 2008” Other ALMA Videos
2009.07.28
ACA Antenna Pads at the AOS
Antenna pads for the Atacama Compact Array (four 12-m antennas and twelve 7-m antennas constructed by NAOJ) have been prepared at the Array Operations Site (AO…
2009.06.25
Band 4 and Band 8 Critical Design Review
From June 22 through 25, the Critical Design Review (CDR) for Band 4 and Band 8 receivers, developed by ALMA-J, was held in Mitaka, and their final design was …
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…
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…
NEW ARTICLES
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…
