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Apache Point Observatory

Map of Apache Point Observatory
Description
The Apache Point Observatory houses two major and several smaller telescopes. The 3.5-meter telescope is a general purpose research facility on which the UW receives 25% of the observing time; the remainder is divided among 6 other university institutions. The UW's share is used primarily for faculty and graduate student research; much of the operation is remotely via the internet. One example of the research conducted with the 3.5-m telescope is the measurement of the moon's orbit to a precision of a half inch as a stringent test Einstein's theories of time and gravitation. The second major project is the Sloan Digital Sky Survey (SDSS), a collaborative project of 10 educational institutions worldwide to provide the first ever digital map of the heavens, using a special purpose 2.5-meter diameter telescope. The first 5-year phase of the deep sky survey was been completed in 2005, and a three-year extension is underway to map the structure of the Milky Way and to detect and monitor the flares of faint supernovae that trace the acceleration of the expansion of the Universe.


View of the SDSS 2.5 m and 3.5 m telescopes from the south
View of the SDSS 2.5 m and 3.5 m telescopes from the south.

Location
Sunspot, NM
Contact
Julie Lutz, Astronomy, 206-685-9010, jlutz@astro.washington.edu
Acreage
N/A
Buildings
10 total: telescope enclosures, support buildings, dormitories, etc.
Equipment
Two large and several smaller telescopes; numerous support and test facilities, shops, and computers.
Housing
Dormitory
Owner
Astrophysical Research Consortium (ARC), Inc., of which UW is a member. Site is on US Forest Service land, with long-term use permit.
Support
Capital expenses for construction of the facilities were provided by a variety of grants from federal agencies, as well as contributions from the individual member universities. Operating expenses are funded by member contributions. The UW operating contributions are from general operating funds as well as funds provided by the UW Astronomy Department.
Recent Usage
The 3.5-m telescope is a general purpose facility used for planetary, galactic, and extragalactic astronomy. It is a primary tool for UW graduate student thesis dissertation research. The Sloan Digital Sky Survey will produce a permanent digital archive of the sky, available to the public, upon its completion after 5 years of data acquisition.
Usage Fee
Not applicable.
Condition
The telescope is 10 years old and well maintained.
Communication
Telephone 505-437-6822, high band-width (T1) ethernet.
Access
By road.
Unique Environment
Ideal site for astronomical observation in continental U.S.