The tracking motion of the Large Sky Area Multi-object Fibre Spectroscopic Telescope (LAMOST).

Details The tracking motion of the Large Sky Area Multi-object Fibre Spectroscopic Telescope (LAMOST). The tracking motion of the Large Sky Area Multi-object Fibre Spectroscopic Telescope (LAMOST).

Jul 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997acaps..17..315s&link_type=abstract

Acta Astrophys. Sin., Vol. 17, No. 3, p. 315 - 322

Physics

Optics

Schmidt Telescopes: Fiber Optics

Scientific paper

The Large Sky Area Multi-object Fibre Spectroscopic Telescope (LAMOST) is a special reflecting Schmidt telescope. The main optical axis lies in the plane of meridian and is inclined at an angle of 25° with the horizontal. The sky area to be observed is -10° ≤ δ ≤ +90°. Observing is limited to the time interval around meridian passage with a duration of 1.5 hours. There are three tracking motions: the rotation around the axes of altitude and azimuth of the correcting plate on the alt-azimuth mounting and the rotation of the focal surface. All these motions have no blind area. In this paper, all formulae for calculating angular displacements, angular velocities and angular accelerations are derived and calculations have been done for the sky area and observing time mentioned above.

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