NRL Collaborates with Magdalena Ridge Observatory Consortium to Build New Observatory
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The Naval Research Laboratory (NRL) has teamed with a consortium of universities to plan and design an optical interferometer in the Magdalena Mountains in central New Mexico. Through a cooperative agreement signed in September, 2001, with New Mexico Institute of Mining and Technology, the financial arm for the observatory, NRL was designated as the government lead for the project.
(MRO), a joint endeavor between the
university consortium and
the Department of Defense, will
enable scientists and engineers
to determine how to increase
sensitivity for ground-based interferometers.
interest is the opportunity to explore how adaptive
might combine with medium-sized apertures for a given
Dr. G. Charmaine Gilbreath, the NRL/MRO Science Officer who is with the Laboratory's Remote Sensing Division, says that NRL will play an important technical advisory role, contributing unique expertise gained from the Laboratory's success in designing, building and conducting research with the Navy Prototype Optical Interferometer (NPOI) in Flagstaff, Arizona. NPOI is a high-precision, long-baseline optical interferometer that provides highly accurate measurements of star positions.
The MRO, says Dr. Gilbreath, can potentially be a next-generation optical interferometer. Researchers at MRO will further develop the interferometry techniques used at NPOI, using larger telescopes and new technologies. Adaptive optics, in particular, which can compensate for optical effects of the atmosphere, could enable the use of medium-sized telescopes, thereby significantly increasing the sensitivity of such instruments.
Candidate configurations for the observatory are being considered now. One possible configuration may be three 2.4-meter telescopes two fixed and one moveable on a 250-meter baseline, which can be used either singly or be linked together using interferometry techniques. Interferometry allows multiple telescope signals to combine and obtain higher resolution than an individual signal. When linked by optical interferometry, the three MRO telescopes would have the potential resolving power of a single 250-meter telescope. The technical advances achieved at MRO will, in turn, help NRL researchers further the continued development of NPOI, which has a planned baseline of 437 meters.
Scientists would use the more sensitive instrument to survey galaxies and image their cores, study planets, search for extrasolar planets and study atmospheric turbulence. The telescopes, when decoupled, would track non-celestial objects such as satellites and make images of geostationary satellites
The design, construction, and operation of the MRO will be under the auspices of a university research consortium whose members include New Mexico Institute of Mining and Technology, New Mexico State University, New Mexico Highlands University, the University of Puerto Rico, and Los Alamos National Laboratory. NRL plans to have an on-site duty station in New Mexico, which will enhance research opportunities for university students and create avenues for further collaboration between the participating universities and the Laboratory.
Construction will begin in 2002,
with a completion date in 2006. The MRO is funded by the Office
of Naval Research.
About the U.S. Naval Research Laboratory
The U.S. Naval Research Laboratory is the Navy's full-spectrum corporate laboratory, conducting a broadly based multidisciplinary program of scientific research and advanced technological development. The Laboratory, with a total complement of nearly 2,500 personnel, is located in southwest Washington, D.C., with other major sites at the Stennis Space Center, Miss., and Monterey, Calif. NRL has served the Navy and the nation for 90 years and continues to meet the complex technological challenges of today's world. For more information, visit the NRL homepage or join the conversation on Twitter, Facebook, and YouTube.
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