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Research Gallery

Atacama Large Millimeter/submillimeter Array

The Innermost Mass Distribution of the Gravitational Lens SDP.81 from ALMA Observations The Innermost Mass Distribution of the Gravitational Lens SDP.81 from ALMA Observations
High-resolution Band 7 continuum negative image of SDP.81. This is the highest-resolution submillimeter observation of a strong lensing galaxy to date. ...(more)
ALMA Revealing the Pseudo-disk, Keplerian Rotating disk, and Jet in the Very Young Protostellar System HH 212 ALMA Revealing the Pseudo-disk, Keplerian Rotating disk, and Jet in the Very Young Protostellar System HH 212
Figure 1: ALMA composite image of HH 212, showing a pseudo-disk (green) and a Keplerian disk (bright green) in dust continuum, and a bipolar jet in HCO+ gas (red). (Lee ...(more)
NA 12m Vertex prototype antenna at the JVLA site in Socorro, New Mexico. NA 12m Vertex prototype antenna at the JVLA site in Socorro, New Mexico.
NA 12m Vertex prototype antenna at the JVLA site in Socorro, New Mexico. ...(more)
Delegation from Taiwan during the ALMA inauguration in March 2013 at the OSF in Chile. Delegation from Taiwan during the ALMA inauguration in March 2013 at the OSF in Chile.
Delegation from Taiwan during the ALMA inauguration in March 2013 at the OSF in Chile. ...(more)
the procured NA 12m Vertex prototype antenna at the JVLA site in Socorro, New Mexico. the procured NA 12m Vertex prototype antenna at the JVLA site in Socorro, New Mexico.
the procured NA 12m Vertex prototype antenna at the JVLA site in Socorro, New Mexico. ...(more)
the latest tuCASA-ASIAA imaging workshop held at National Normal University ShiDa the latest tuCASA-ASIAA imaging workshop held at National Normal University ShiDa
the latest tuCASA-ASIAA imaging workshop held at National Normal University ShiDa ...(more)
the ALMA alternative laser synthesizer the ALMA alternative laser synthesizer
the ALMA alternative laser synthesizer ...(more)
Nutating subreflector in the laboratory at ASIAA Nutating subreflector in the laboratory at ASIAA
Nutating subreflector in the laboratory at ASIAA. ...(more)
EA-FEIC staff members celebrating the delivery of the very last front-end for Europe in 2012. EA-FEIC staff members celebrating the delivery of the very last front-end for Europe in 2012.
EA-FEIC staff members celebrating the delivery of the very last front-end for Europe in 2012. ...(more)
EA FEIC team delivering the first front end to Chile in 2008. EA FEIC team delivering the first front end to Chile in 2008.
EA FEIC team delivering the first front end to Chile in 2008. ...(more)
the front ends during testing and integration at the EA FEIC the front ends during testing and integration at the EA FEIC
One of the front ends during testing and integration at the EA FEIC in Taichung, Taiwan. Pictured is the tilt table holding the cryogenic dewar (in blue) in which the ...(more)
1st Front End Service Vehicle (FESV) arrived AOS 1st Front End Service Vehicle (FESV) arrived AOS
After its month-long journey from Taiwan, the first of the two Front-End Service Vehicles is being tested at the ALMA Operations Support Facility in Chile. In this photo, the FESV ...(more)
Circumstellar disk and ambient gas surrounding the protostar, L1489 IRS Circumstellar disk and ambient gas surrounding the protostar, L1489 IRS
Circumstellar disk and ambient gas surrounding the protostar, L1489 IRS (white cross), from an ALMA cycle-0 observation with an integration time of 74 minutes at a resolution of 1" (blue ...(more)
An aerial view of the technical building at the AOS at 5000m An aerial view of the technical building at the AOS at 5000m
An aerial view of the technical building at the AOS at 5000m ...(more)
Aerial view of the Operations Support Facilities (OSF) at around 2900m. Aerial view of the Operations Support Facilities (OSF) at around 2900m.
To the right are the three antenna assembly sites belonging to the Japanese, North American and European partners; in the upper middle section is the operations building, and in the ...(more)
ALMA antennas on the Chajnantor plateau in Chile ALMA antennas on the Chajnantor plateau in Chile
ALMA antennas on the Chajnantor plateau in Chile. (Picture Credit: C. Padilla, ALMA, ESO/NAOJ/NRAO) ...(more)
Installation of the nutating secondary subreflector on an ALMA antenna for the site acceptance test Installation of the nutating secondary subreflector on an ALMA antenna for the site acceptance test
Installation of the first ALMA nutator in Chile. January 2013 ...(more)
EA-FEIC staff members celebrating the delivery of the last receiver front-end system for our ALMA-Japan partner EA-FEIC staff members celebrating the delivery of the last receiver front-end system for our ALMA-Japan partner
EA-FEIC staff members celebrating the delivery of the last receiver front-end system for our ALMA-Japan partner (blue cylinder-shaped object in the middle of the photo). ...(more)
ALMA nutator SAT ALMA nutator SAT
First ALMA nutator on a N.A. antenna, january 2013 ...(more)
ALMA detection of the rotating molecular disk wind from the young star HD 163296 ALMA detection of the rotating molecular disk wind from the young star HD 163296
Blue shifted disk wind from HD 163296. The grey-scale shows the CO J=2-1 integrated intensity of the blue shifted wind from HD 163296. The 4σ level is indicated by the ...(more)
Unveiling the gas and dust disk structure in HD163296 using ALMA observations Unveiling the gas and dust disk structure in HD163296 using ALMA observations
The CO J=3-2 channel map unveils for the first time at sub-millimeter frequencies the vertical structure details of a protoplanetary disks, showing the back and front side of the flared ...(more)
ALMA imaging of the CO snowline of the HD163296 disk with DCO+ ALMA imaging of the CO snowline of the HD163296 disk with DCO+
Integrated emission map of H13CO+ (4-3) with contours showing 3, 5 and 7 sigma (left), and DCO+ (5-4) with contours showing 3 and 5 sigma. The H13CO+ is centrally peaked ...(more)
Giant molecular clouds and star formation in the tidal molecular arm of NGC 4039 Giant molecular clouds and star formation in the tidal molecular arm of NGC 4039
CO(2-1) integrated intensity map of the newly discovered molecular arm close to NGC4039 (Espada et al. 2012 ApJ, 760L, 25E). The plus signs indicate the clumps. ...(more)
Cryogenic IF Low Noise Amplifier Cryogenic IF Low Noise Amplifier
Cryogenic IF Low Noise Amplifier (LNA) for ALMA for 4-12 GHz using 0.15 mHEMT ...(more)
Voltage-Controlled Oscillator for ALMA Band-1 Voltage-Controlled Oscillator for ALMA Band-1
Voltage-Controlled Oscillator MMIC for ALMA Band-1 using 2um GaAs HBT ...(more)
Conceptual image of ALMA Conceptual image of ALMA
Conceptual image of ALMA, which is currently under construction. ALMA will consist of the“12m Array” of up to sixty-four 12 m telescopes, and “Atacama Compact Array (ACA)”of four 12m and ...(more)
Signing Ceremony between NINS and AS Signing Ceremony between NINS and AS
In September 2005, Academia Sinica (AS) signed an agreement with National Institutes of Natural Sciences of Japan (NINS) to join the ALMA-Japan project. AS President Yuan T. Lee shakes hands ...(more)
Dewar of the ALMA receiver Dewar of the ALMA receiver
Left: To install receiver cartridges into a dewar, the dewar is mounted on a “tilt table” to give sufficient space for the installation of the cartridge. In the picture, the ...(more)
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