Solar System Research with the Spacewatch 1.8-m Telescope

Details Solar System Research with the Spacewatch 1.8-m Telescope Solar System Research with the Spacewatch 1.8-m Telescope

Jan 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001stin...0230024m&link_type=abstract

Technical Report, Arizona Univ. Tucson, AZ United States Lunar and Planetary Lab.

Astronomy and Astrophysics

Astronomy

Asteroids, Near Earth Objects, Telescopes, Observation, Sky Surveys (Astronomy), Image Processing, Comets

Scientific paper

During this grant period, the 1.8-m Spacewatch telescope was put into routine operation to search for asteroids and comets ranging in location from near-Earth space to regions beyond the orbit of Neptune. All of these classes of objects can be detected simultaneously with our uniform scanning procedures. We are studying near Earth objects (NEOs), main belt asteroids, comets, Centaurs, and trans-Neptunian objects (TNOs), as well as the interrelationships of these classes and their bearing on the origin and evolution of the solar system. The Spacewatch 1.8-meter telescope is sensitive to V(mag) < 22.6 in sidereal scanning mode and is able to reach even fainter in longer 'staring' exposures, with a field of view 0.5 degrees square. These faint limits make the operation of the Spacewatch 1.8-m telescope complementary to asteroid surveys being done by other groups. Specifically, EAs smaller than 100 m in diameter and small main belt asteroids can be found, as well as more distant objects such as Centaurs/Scattered Disk Objects (SDOs) and TNOs. The 1.8-m telescope is also being used to do recoveries and astrometry of recently-discovered asteroids that subsequently become too faint for the other groups before good orbits are established.

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