The feasibility of replacing the U.S. Naval Observatory's 61-inch astrometric reflector with a 3.5 m telescope

Details The feasibility of replacing the U.S. Naval Observatory's 61-inch astrometric reflector with a 3.5 m telescope The feasibility of replacing the U.S. Naval Observatory's 61-inch astrometric reflector with a 3.5 m telescope

Jul 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006spie.6267e.115d&link_type=abstract

Ground-based and Airborne Telescopes. Edited by Stepp, Larry M.. Proceedings of the SPIE, Volume 6267, pp. 62673I (2006).

Astronomy and Astrophysics

Astronomy

Scientific paper

The USNO 61" (1.55 m) astrometric reflector was state-of-the-art when it entered service in 1964. However, with a relatively small aperture, it now has limited research capability because it can not observe faint objects. The current facility, including dome and pier, offers significant resources upon which to build a larger telescope. Preliminary estimates indicate that a 3.5 m telescope could be retrofitted into the dome at a cost of ~$10-15 million; about half the cost of building on a new site. USNO has contracted with an engineering firm to perform a feasibility study of such a telescope upgrade, the results of which are summarized.

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