Published January 4, 2021 | Version v1
Other Open

1. The measurement of angles

Description

The basis of astrometric measurements is the accurate measurement of tiny angles that divide up the sky. Dividing a circle, whether on paper or on an imaginary sweep of the celestial sky, is a task well-posed in principle.  Practical techniques for doing so aside, it is only necessary to agree on the unit of subdivision.

Files

perryman-gaia-001.pdf

Files (104.0 kB)

Name Size Download all
md5:999a15251c91f15d39f3d65288f9713b
104.0 kB Preview Download