2014.06.16
Final ALMA Antenna Arrives on the Chajnantor Plateau
The final antenna for the Atacama Large Millimeter/submillimeter Array (ALMA) project has been taken up to the high-level site at the ALMA Observatory, 5.000 m…
ALMA Discoveries
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2014.06.12
Gigantic Explosion Buried in Dust: ALMA Probes Environment around Gamma Ray Bursts
Abstract For the first time, a group of Japanese researchers detected radio emission from molecular gas in galaxies hosting gamma ray bursts (GRBs), the brig…
2014.05.07
Outcome of the Proposal Review Process, Cycle 2
The scientific assessment of the 1381 science proposals submitted for ALMA Early Science Cycle 2 has been completed. Seventy-eight science assessors from all o…
2014.03.10
Crashing Comets Explain Surprise Gas Around Young Star—ALMA reveals an enigmatic gas clump in debris disk around Beta Pictoris
Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) telescope in northern Chile have today announced the discovery of an unexpected clump…
2014.03.03
All NAOJ ALMA Receivers Shipped Out
On February 18, the NAOJ Advanced Technology Center shipped out the last seven ALMA Band 10 receivers to Chile. This marks the completion of delivery of a tota…
2014.02.13
Commentary on the press release "A Drastic Chemical Change Occurring in Birth of Planetary System: Has the Solar System also Experienced it?"
Written by Masaaki Hiramatsu, the Education and Public Outreach Officer at NAOJ Chile Observatory Stars are formed by the contraction of interstellar gas an…
2014.02.13
A Drastic Chemical Change Occurring in Birth of Planetary System: Has the Solar System also Experienced it?
A star is formed by gravitational contraction of interstellar gas (mostly H2) and dust. Even after the birth of a protostar (a baby star), the gas and dust …
2014.01.17
ALMA Discovers a Formation Site of a Giant Planetary System
Abstract A team of Japanese astronomers has obtained a firm evidence of formation of a giant planetary system around a young star by the observations with th…
2014.01.10
Youngest protoplanetary disk discovered with ALMA
Planets form in disks around their host protostar, but when and how disks form is still an unanswered question. ALMA observations by a team of astronomers led …
2014.01.07
ALMA Spots Supernova Dust Factory
Striking new observations with the Atacama Large Millimeter/submillimeter Array (ALMA) telescope capture, for the first time, the remains of a recent supernova…
2013.12.27
Completion of the ALMA Receiver Development
National Astronomical Observatory of Japan (NAOJ) achieved a major milestone in the construction of ALMA. In December 2013, NAOJ successfully completed the dev…
2013.12.18
ALMA Cycle 2 call for proposals attracts record number of applications
The ALMA Observatory’s Early Science Cycle 2 has attracted 1,382 proposals for observation time submitted by the international scientific community durin…
2013.11.22
ALMA and Hubble Observations Probe a Giant Blob, Himiko, Seen Close to Cosmic Dawn
Combining the capabilities of two powerful telescopes, the Atacama Large Millimeter/submillimeter Array (ALMA) and Hubble Space Telescope, astronomers have e…
2013.11.01
Successful Interferometer Test with Japanese Band 10 Receiver—Birth of Highest Frequency Radio Interferometer
On October 26 (Chilean Time), the Joint ALMA Observatory (JAO) successfully detected interference fringes from Callisto (a satellite of Jupiter) and Orion KL a…
2013.10.24
Unique Chemical Composition Surrounding Supermassive Black Hole—A Step toward Development of New Black Hole Exploration Method
An international research team led by Takuma Izumi, a second-year master’s student of science at the University of Tokyo, and Kotaro Kohno, a professor…
2013.10.16
ALMA Probes Mysteries of Jets from Giant Black Holes
Two international teams of astronomers have used the power of the Atacama Large Millimeter/submillimeter Array (ALMA) to focus on jets from the huge black hole…
2013.10.04
ALMA Discovers Large "Hot" Cocoon around a Small Baby Star
A large hot molecular cloud around a very young star was discovered by ALMA. This hot cloud is about ten times larger than those found around typical solar-m…
2013.10.03
Final Antenna Delivered to ALMA
The final antenna for the Atacama Large Millimeter/submillimeter Array (ALMA) project has just been handed over to the ALMA Observatory. The 12-meter-diameter …
2013.09.02
The world's first interferometric image at 500 GHz with ALMA Band 8 receivers
ALMA opens another window to the universe in the 500 GHz frequency band. Astronomers successfully synthesized the distribution of atomic carbon around a planet…
2013.08.21
ALMA Takes Close Look at Drama of Starbirth
Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have obtained a vivid close-up view of material streaming away from a new-born star. …
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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…
2025 1.10
Unveiling the properties of a primeval galaxy from 13.4 billion years ago
An international team led by researchers from the National Astronomical Observatory of Japan succesfully detected the e…
