2024.12.26
ALMA’s New Data Transmission System Passes Preliminary Design Review
The preliminary design review for the new Data Transmission System (DTS) for the ALMA Telescope has been completed successfully, allowing the development proje…
ALMA Technology
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2023.11.15
ALMA Achieves Highest Resolution Yet —With a combination of ALMA’s highest frequency Band 10 receivers and an array configuration with a baseline length of up to 16 km
ALMA (Atacama Large Millimeter/submillimeter Array) has achieved its highest resolution since it began operation. An international team for extension of optimi…
2023.09.25
Sho Masui Receives Electronics Society Student Award for Presentation Related to ALMA Development
Sho Masui, a project researcher fellow at the Advanced Technology Center (ATC), received the Electronics Society Student Award at the 2023 Society Conference o…
2023.08.14
New ALMA receivers that will probe our cosmic origins successfully tested
An international team of astronomers and engineers at the Atacama Large Millimeter/submillimeter Array (ALMA) have made the first measurements using new receiv…
2023.04.27
ALMA 2 project has begun
ALMA’s future science goals and enhancements of the telescope capabilities necessary to achieve them have been discussed in collaboration with the domestic and…
2023.03.13
Upgrade of ALMA Data Transmission System Led by Japan Starts
In 2018, ALMA published the strategic vision for development towards enhancing the telescope capabilities in the 2030s as the ALMA Development Roadmap. The mai…
2022.10.26
The first cryogenic receivers that integrate all-metal 3D-printed RF components in radio astronomy
The NAOJ ALMA project and Advanced Technology Center have successfully fabricated corrugated horns by all-metal 3D-printing for the ALMA Band 1 receiver (Radio…
2022.03.23
First light with the new spectrometer for the Atacama Compact Array
On February 22, 2022, the newly developed spectrometer for the Total Power Array of the Atacama Compact Array (ACA), also known as Morita Array, has successful…
2022.02.10
Enhancement and Future Development of ALMA for the 2020s and 2030s
In 2021, ALMA celebrated the 10th anniversary of its Early Science operations. During this time, the telescope has produced many achievements on a variety of s…
2021.09.08
First Light with the ALMA Band 1 Receiver
An international team has developed, assembled, and integrated a new set of receivers for the Atacama Large Millimeter/submillimeter Array (ALMA), the Band 1 r…
2021.07.08
New Radio Receiver Opens Wider Window to Radio Universe
Researchers have used the latest wireless technology to develop a new radio receiver for astronomy. The receiver is capable of capturing radio waves at frequen…
2020.11.25
NAOJ and UEC Sign Comprehensive Collaboration Agreement
The National Astronomical Observatory of Japan (NAOJ) and the University of Electro-Communications (UEC) signed a comprehensive collaboration agreement in a si…
2020.06.25
How ALMA Works Vol. 2: Combining Multiple Antennas into One Radio Interferometer
This is the second article in the How ALMA Works series that reveals the secret of ALMA’s extraordinary capabilities. This article features the “radio interfer…
2020.05.29
How ALMA Works Vol.1: What is the Resolution of a Telescope?
In the ALMA telescope, multiple parabolic antennas are employed to make a single giant telescope. ALMA is quite different in many ways from typical telescopes …
2020.04.30
Contract Signed for New ALMA Receivers - ALMA expands its grasp to study molecules in the Universe
The contract has been signed for the production of the final set of receivers to be installed on the Atacama Large Millimeter/submillimeter Array (ALMA). ALMA …
2020.02.19
ALMA Band 1 Receiver Manufacturing Readiness Review
The ALMA Band 1 receiver Manufacturing Readiness Review (MRR) was held on November 12-13, 2019. As part of the East-Asian ALMA Development program, the Band 1 …
2020.01.28
New Spectrometer for Morita Array CDMR
The East ALMA Development program has held an important milestone in the last month of 2019, in collaboration with our East Asian ALMA partners. The Critical D…
2019.12.19
NAOJ and NICT Sign Comprehensive Collaboration Agreement
The National Astronomical Observatory of Japan (NAOJ) and the National Institute of Information and Communications Technology (NICT) signed a comprehensive col…
2019.08.30
NAOJ Director General’s Awards Given to Two ALMA-Related Groups
A ceremony for the 2018 NAOJ Director General’s Awards was held at NAOJ Mitaka Campus on July 30th, 2018. This year, the two awards were given for remarkable a…
2018.12.19
NAOJ ATC Researcher Takafumi Kojima Wins 2018 IEEE Microwave Theory and Techniques Society Japan Young Engineer Award
Takafumi Kojima, a researcher at the National Astronomical Observatory of Japan Advanced Technology Center (NAOJ ATC) engaged in the development of a new recei…
NEW ARTICLES
2025 3.10
Discovery of ‘Hot Gas’ near a Supermassive Black Hole 12.9 Billion Years Ago: New Possibilities for Finding Hidden Black Holes in the Early Universe
An international research team led by Professor Ken-ichi Tadaki of Hokkai-Gakuen University has made a groundbreaking d…
2025 2.12
Researchers find dark matter dominating in early universe galaxies
This article is based on the press release issued by the Kavli Institute for the Physics and Mathematics of the Univers…
2025 2.6
Magnetic Field in Planet Formation has been Successfully Observed
Based on ALMA multi-band observations of dust polarization, the magnetic field structure in a protoplanetary disk has b…
