Gaia Early Data Release 3 - Summary of the contents and survey properties

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This article has an erratum: [https://doi.org/10.1051/0004-6361/202039657e]

Table 3

Basic performance statistics for Gaia EDR3.

Data product or source type	Typical uncertainty
Five-parameter astrometry (position)	0.01–0.02 mas at G < 15
	0.05 mas at G = 17
	0.4 mas at G = 20
	1.0 mas at G = 21




Five-parameter astrometry (parallax)	0.02–0.03 mas at G < 15
	0.07 mas at G = 17
	0.5 mas at G = 20
	1.3 mas at G = 21




Five-parameter astrometry (proper motion)	0.02–0.03 mas yr⁻¹ at G < 15
	0.07 mas yr⁻¹ at G = 17
	0.5 mas yr⁻¹ at G = 20
	1.4 mas yr⁻¹ at G = 21




Six-parameter astrometry (position)	0.02–0.03 mas at G < 15
	0.08 mas at G = 17
	0.4 mas at G = 20
	1.0 mas at G = 21




Six-parameter astrometry (parallax)	0.02–0.04 mas at G < 15
	0.1 mas at G = 17
	0.5 mas at G = 20
	1.4 mas at G = 21




Six-parameter astrometry (proper motion)	0.02–0.04 mas yr⁻¹ at G < 15
	0.1 mas yr⁻¹ at G = 17
	0.6 mas yr⁻¹ at G = 20
	1.5 mas yr⁻¹ at G = 21




Two-parameter astrometry (position only)	1–3 mas




Systematic astrometric errors (averaged over the sky)	< 0.05 mas




Gaia-CRF3 alignment with ICRF	0.01 mas at G = 19
Gaia-CRF3 rotation with respect to ICRF	< 0.01 mas yr⁻¹ at G = 19




Mean G-band photometry	0.3 mmag at G < 13
	1 mmag at G = 17
	6 mmag at G = 20




Mean G_BP-band photometry	0.9 mmag at G < 13
	12 mmag at G = 17
	108 mmag at G = 20




Mean G_RP -band photometry	0.6 mmag at G < 13
	6 mmag at G = 17
	52 mmag at G = 20

Notes. The astrometric uncertainties and the Gaia-CRF3 alignment and rotation limits refer to epoch J2016.0 TCB.

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