Gaia Data Release 3 - Specific processing and validation of all-sky RR Lyrae and Cepheid stars: The RR Lyrae sample

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Volume 674 (June 2023)

A&A, 674 (2023) A18

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Gaia Data Release 3

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Table 11.

Completeness, contamination, and new discoveries of our final clean catalogue of 270 905 DR3 RR Lyrae stars in different sky regions from the comparison with different literature surveys.

	Completeness	New ^(a)	Contamination
OGLE-IV ^(b)

LMC	83%	4%	< 1.8%
SMC	94%	6%	< 8%
Bulge-up	79%	20%	< 0.15%
Bulge-down	82%	40%	...

Gaia DR2 ^(c)	90%	103%	< 0.12%

ASAS-SN ^(b)	73.7%

CATALINA ^(b)	85.5%

All Surveys ^(d)	64.2%

Notes.

^(a)

New means “new sources to the best of our knowledge”.

^(b)

Regions used for the comparison with OGLE-IV are shown in red in Fig. D.1, for ASAS-SN, they are shown in Fig. D.2, and for CATALINA, they are shown in Fig. D.3.

^(c)

Comparison with the 139 801 sources in the DR2 RR Lyrae catalogue after correcting for contaminant galaxies.

^(d)

Comparison of the 311 798 all-sky known RR Lyrae stars and the Gold Sample RR Lyrae stars whose periods are correctly recovered by the SOS pipeline.

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