PARTICLE PHYSICS AND ASTRONOMY RESEARCH COUNCIL MTPPN /6.1
JOINT ASTRONOMY CENTRE

James Clerk Maxwell Telescope

JCMT Pointing Project Note 6.1

Astronomical Specification for the Azimuth Track

• Contents
• Goal - A specification for the Az-Track
• The Inclinometry correction
• General Principles - Pointing
• General principles - Interferometry
• Summary of the specification
• Error Budget - taken largely from MTPPN005
  • Mechanical hysteresis, e
  • Antenna construction errors, e.
  • Encoder resolution, e.
  • Thermal Effects, e
  • Telescope tracking, e
  • SMU & TMU alignment
  • Instrument alignment
  • Signal-to-Noise ratio of pointing measurement, e.
  • Pointing logging.
  • Atmospheric seeing conditions, e.
  • Summary
• About this document ...