2008.07.23
Flaming Sunset Clouds
Today it was calm and windless in contrast to a sand storm with a wind velocity of 20m/s or higher on the previous day. Clouds were growing thick from the afte…
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2008.07.03
Radio Telescope under Construction in Peru
On July 3, an international workshop was held in honor of Professor Mutsumi Ishitukas 50 years of research in Peru at the Sycaya Astronomical Radio Observatory…
2008.06.14
Lecture at the Suginami Science Center
On June 14, the Suginami Science Center held an event titled Astronomical Evening -The Universe Explored by Radio Telescope-E In the event, Seiichi Sakamoto, P…
2008.06.02
Mountains around Santiago heralding the Advent of Winter
As winter is coming in Chile, mountains around Santiago have been capped with snow. In spite of this typical winter scenery, I feel something strange because o…
2008.05.31
ALMA Booth at the Japan Geoscience Union Meeting 2008
From May 25 through 30, the Japan Geoscience Union Meeting 2008 was held in the international exhibition hall at Makuhari Messe, and NAOJ set up a booth featur…
2008.05.30
From the Window of the Control Room
Currently there are four antennas at the Operations Support Facility (OSF). This picture shows the scenery seen from the window of the control room in a contai…
2008.05.29
Sheep Clouds across the Sky
The sky over the Operations Support Facility (OSF) was covered by sheep clouds (altocumulus cloud), as if small cotton pieces were placed in rows. Since there …
2008.05.29
Lenticular Clouds over the Licancabur Volcano
Licancabur Volcano (5916 m) is a mountain whose shape is similar to Mt.Fuji. At around 8 oclock in the morning, I found the volcano wearing a hat of lenticular…
2008.05.15
Kelvin-Helmholts Instability Cloud Appeared
A streak of cloud, shaped something like French bread, appeared in the sky over the Operations Support Facility (OSF). A cloud shaped like this is called Kelvi…
2008.05.14
Radio image of the sun obtained using the first antenna
These are radio images of the sun, which were obtained using the first ACA 12-m antenna manufactured by Japan. In these images, white color indicates strong in…
2008.05.09
Current Status of OSF
This picture was taken at the antenna assembly area of ALMA Operations Support Facility (OSF). These four antennas are ACA 12-m antennas designed by the Nation…
2008.04.15
First four ACA 12-m antennas were completed at the OSF
The first four 12-m antennas of ALMA-Japan constructed at the ALMA Operations Support Facility in Chile.
2008.04.03
Beautiful Rainbow over the Japanese ACA Antenna
A beautiful rainbow appeared over the antenna assembled at the ALMA Operations Support Facility (OSF) in the Atacama Desert. Due to very low humidity, a rainbo…
2008.04.01
Tetsuo Hasegawa becomes Interim ALMA Project Manager
From May 1, Tetsuo Hasegawa, Professor at NAOJ, will be Interim ALMA Project Manager at the Joint ALMA Office (JAO). On April 1, prior to the assignment, he wa…
2008.03.18
Result of the Initial Testing of the Japanese ACA 12-m Antenna to be Delivered to ALMA
Mar 18, 2008 A gigantic radio telescope ALMA (Atacama Large Millimeter/submillimeter Array) is under construction in Chile through collaboration among Japan, …
2008.03.18
Result of the initial testing of the Japanese ACA 12-m antenna
Result of the Initial Testing of the Japanese ACA 12-m Antenna to be Delivered to ALMA First Radio Image of the Moon Taken with an ACA Antenna (Left: Optical i…
2008.02.27
PDR of Band-10 Cartridge Receiver
In Mitaka, the Preliminary Design Review of Band-10 Cartridge Receiver (787-950 GHz) developed by Japan was held on February 26 and 27. The Band-10 Team of NAO…
2008.02.27
Antenna Surface Adjustment
Surface adjustment of a 12-m antenna is conducted using a manlift. The smoothness of the surface is measured by radio holography to achieve a surface accuracy …
2008.02.21
Total Lunar Eclipse
A total lunar eclipse was observed during the nighttime in Chile (the daytime in Japan time). We successfully took clear images of the eclipse, though clouds c…
2008.02.15
Installation of the Receiver
From February 7 through 15, the first receiver was installed into the ACA antenna. To safely install the receiver weighing about 1 ton, we had to make a delibe…
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In the November 2024 issue of Forbes JAPAN, Professor Misato Fukagawa, who serves as the East Asia Operations Manager o…
