Astronomy and Astrophysics – Astrophysics
Scientific paper
May 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21440904a&link_type=abstract
American Astronomical Society, AAS Meeting #214, #409.04; Bulletin of the American Astronomical Society, Vol. 41, p.672
Astronomy and Astrophysics
Astrophysics
Scientific paper
Ground-based optical/infrared long-baseline interferometry continues to extend its capabilities in the U.S., where several existing facilities demonstrate its unique capabilities in a broad range of scientific applications. This poster presents brief overviews of the CHARA Array and the Infrared Spatial Interferometer (ISI) on Mt. Wilson, CA; the Navy Prototype Optical Interferometer (NPOI) on Anderson Mesa near Flagstaff, AZ; and the Keck Interferometer (KI) on Mauna Kea, HI; as well as under-construction facilities; the Magdalena Ridge Observatory Interferometer (MROI) in the Magdalena Mountains of New Mexico and the Large Binocular Telescope Interferometer (LBTI) on Mt. Graham, Arizona. Also included are pointers to a sample of the scientific results from U.S. interferometers and to data archives.
Recent scientific highlights range from stellar atmospheres (precise diameters, including G/K dwarfs; limb darkening; Cepheid pulsations) to circumstellar material (water detected in a protoplanetary disk; debris disks; Be star disks; warped circumbinary disks; dust shells) to orbits and stellar masses in double, triple, and quadruple systems, to images of stellar surfaces. While the great majority of results to date have focused on stellar astrophysics, the MROI strives to have sensitivity sufficient to access a statistical sample of AGN.
We have recently formed a consortium and are proposing to open all our facilities to the broader astronomical community via an opportunity called MOISAIC (Milliarcsecond
Optical/Infrared Science: Access to Interferometry for the Community). Research with these independently operated facilities is sponsored by the Oceanographer of the Navy and the Office of Naval Research for NPOI; the National Aeronautics and Space Administration for KI and LBTI; the National Science Foundation and Georgia State University for the CHARA Array; and the Office of Naval Research, the National Science Foundation, and the Gordon and Betty Moore Foundation for ISI. Funding for MROI is administered through the Office of Naval Research.
Akeson Rachel Lynn
Armstrong Thomas J.
Brummelaar Theo ten
Creech-Eakman Michelle
Hinz Phil
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