180 



Nobeyama, JAPAN 



45-METER RADIO TELESCOPE 

 Nobeyama Radio Observatory 

 Tokyo Astronomical Observatory 



"Big Science" Descriptor : Radio astronomy 



Description of Facility/Instrument : This is a 45-meter diameter, fully 

 steerable, parabolic reflector. It can be used to a minimum 

 wavelength of about three millimeters. 



Date of Construction ; 1984 



Construction Cost : 1984 $$ : $25 million estimate, see below. 



Present International Cooperation 



Natlonallty(s) of Ownership : Japan 

 Natlonality(s) of Operational Funding : Japan 

 Natlonallty(s) of Management Staff ; Japan 

 Nationality(s) of Researchers : Japan 



Potential for Future International Cooperation ; Collaboration on indi- 

 vidual scientific projects is welcomed. The merits of projects 

 will be evaluated on a case-by-case basis. 



Other Information ; This telescope and the five-element synthesis tele- 

 scope (see preceding page) were funded together and built during 

 the same period. The total construction funds for both telescopes 

 was $50 million. 



