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Дата индексирования: Sat Apr 9 23:02:16 2016
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Engineering Papers

APO 3.5-m Telescope Engineering Papers

The APO 3.5-meter Remote Observing 2002 and Beyond

A Stray Light Analysis of the Apache Point Observatory 3.5-meter Telescope System

3.5-meter Telescope: operational design and issues

Telescope Control Computer (TCC) papers

MILT, the NSF proposal for the 3.5m telescope (no figures yet)

3.5-m telescope optical design

Tracking performance of the 3.5m Telescope as of 1988

Pointing and tracking performance of the 3.5m Telescope as of 1990

Temperature Measurement System For A 3.5-Meter Borosilicate Mirror

Collimation of the 3.5m telescope.

Optimizing Maintenance and Improvements on the ARC 3.5m Telescope to Maximize Scientific Return; SPIE 040400

Telescope Control Computer (TCC) Papers

The Control System for the Apache Point 3.5m Telescope

R. Owen, W. Siegmund, C. Hull, "Instrumentation for Ground-Based Optical Astronomy", ed. L. B. Robinson, pp. 686-690, Springer-Verlag, New York, 1988. This is a basic overview of the control system. It should be understandable by anybody who has used a research telescope. Unfortunately, it is somewhat out of date. More detailed and current information is available in the TCC Operator's Manual.

The ARC Telescope Control System: Coordinate Conversions

R. Owen (incomplete, unpublished). Gives details of the coordinate conversions used to control the telescope, including the focal-plane conversions needed for positioning the rotator and guide camera and performing drift scans.

Control of the Apache Point 3.5m Telescope: Slewing (ftp, Mac Word format)

R. Owen, 1990 (unpublished). The TCC slews in a very unusual fashion, in that it pre-computes the path rather than having the axis controllers determine it. This paper gives the details, including the math. This paper is in Macintosh Word format because it has equations that will be difficult to convert to HTML format.

Offsetting a Telescope Via Remote Control

R. Owen, R. Loewenstein, preprint, 1992. Describes the basics of graphical offsetting, including the use and implementation. Concentrates on using the offsetter with a rotating field of view (the need to think about the boresight), which is the tricky part. Also discusses drift scanning. This paper is probably most useful for astronomers who are using an instrument with a rotating field of view or drift scanning. It should also be helpful for programmers of the graphical user interface or the MC.