The InfraRed Army


Downs Laboratory of Physics
Caltech 320-47
Pasadena, CA 91125


Most of the research done by members of the IRA is performed at the Hale 200-inch Telescope at Palomar Observatory near San Diego, California and the two 10-m Keck Telescopes atop Mauna Kea in Hawaii. We work in the "near infrared" range of the electromagnetic spectrum between wavelengths of 1 and 10 microns.

Some Research projects include:

Instrumentation available in our group includes:

Because no astronomy WWW page should be allowed to exist without some pretty pictures, we also have (under construction) an image gallery with a few inlined and external images.

IR/submm/mm sack lunch talk schedule.

Names unchanged to incriminate the guilty

Gallery of Individuals


Post Doctoral Fellow

Graduate Students

Member Of The Professional Staff

Staff Members


Our softball team is a traditionally, shall we say, relaxed, summer pastime of the infrared/sub-millimeter groups. It's captain in recent years has been Alycia Weinberger. This team is traditionally a participant in the D-League anti-playoffs, which is saying something.

Other relevant WWW pages

The Caltech Submillimeter Observatory

The Caltech Astronomy Department