European Space Agency
Science & Technology
GAIA DATA RELEASE DOCUMENTATION
Gaia Data Release 2
Documentation release 1.2
Gaia Data Release 2
Documentation release 1.2
I
Introduction to Gaia DR2
II
Gaia data processing
2
Astrometric and photometric pre-processing
3
Astrometry
3.1
Introduction
3.2
Properties of the input data
3.3
Calibration models
3.3.1
Overview
3.3.2
Aligning the Gaia reference frame
3.3.3
Astrometric source model
3.3.4
Pseudo-colours in source update
3.3.5
Attitude model
3.3.6
Geometric instrument model
3.3.7
Global parameters
3.3.8
Extended PSF/LSF model
3.4
Processing steps
3.5
Quality assessment and validation
4
Solar-System Objects
5
Photometry
6
Spectroscopy
III
Gaia data analysis
IV
Gaia catalogue
V
Gaia archive
Miscellaneous
Bibliography
3
Astrometry
3.2.4
BAM data
3.3.1
Overview
3.3
Calibration models
Author(s): Sergei Klioner
3.3.1
Overview
3.3.2
Aligning the Gaia reference frame
3.3.3
Astrometric source model
3.3.4
Pseudo-colours in source update
3.3.5
Attitude model
3.3.6
Geometric instrument model
3.3.7
Global parameters
3.3.8
Extended PSF/LSF model
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