
The Large Binocular Telescope (LBT) shown above consists of two 8.4-m mirrors on an alt-az mounting, located on Mt. Graham (elevation 3200 m) near Safford, Arizona. The equivalent circular aperture of LBT is 11.7 m. The f/1.14 primary mirrors were spun cast at the Steward Observatory Mirror Lab.
Recent Discoveries
The Planetary System around HR8799 Has Been Imaged with the AO System on the MMT
Using the adaptive optics system on the MMT, Professor Phil Hinz has directly imaged the planetary system around the star HR 8799 at a wavelenth of 3.8 µm.
Newsletters
The Summer 2009 edition of the Steward Observatory Electronic Newsletter is available here:
Earlier editions of the Steward Observatory Newsletter are also available by following the link:
In the News
Recently published news articles featuring the Astronomy Department and Steward Observatory.
Videos
Video files featuring Arizona Astronomy.
Frank J. Low
1933-2009
Highlights
The University of Arizona is in the process of reorganization. The white paper giving the consensus view of the faculty of the Department of Astronomy and Steward Observatory can be found here:
Tours of the Steward Observatory Mirror Laboratory are being offered to the general public. For information about these and other astronomically related tours see:

