Unifying work by a broad range of experts in the field, this is the most complete textbook on observational astrometry.

This text details the fundamentals of astrometry at milli- and micro-arcsecond accuracies.

An introduction to practical astrometry, dealing with the determination of positions, motions, distances and dimensions of celestial bodies ranging from quasars

An authoritative account of the contributions to science made by the Hipparcos satellite, for astronomers, astrophysicists and cosmologists.

Celestial fundamental catalogues are a prerequisite for the determination of absolute positions and motions in space. Presently, positional astrometry is at the