Allegheny's main instruments are the Thaw Memorial 0.76-meter (30-inch) refractor, constructed in 1914 and used in the work leading to Gatewood's discovery, and the James E. Keeler 31-inch reflector, built in 1906 and also used for astrometric research. Among the special equipment applied to extrasolar planet detection are the Multichannel Astrometric Photometer (MAP) and the more recently developed Multichannel Astrometric Photometer and Spectrometer (MAPS).
External siteAllegheny Observatory (University of Pittsburgh)
Related category• OBSERVATORIES AND TELESCOPES
Home • About • Copyright © The Worlds of David Darling • Encyclopedia of Alternative Energy • Contact