Gaia Data Release 3 - The first Gaia catalogue of eclipsing-binary candidates

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Volume 674 (June 2023)

A&A, 674 (2023) A16

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Gaia Data Release 3

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Table 1.

Types of geometric models fitting the G light curves.

Model type	No. of	Model	Description	No. of
	params	rank		sources
`TWOGAUSSIANS`	8	6	Two Gaussians	1 587 926
`TWOGAUSSIANS_WITH_ELLIPSOIDAL_ON_ECLIPSE1`	9	5	Two Gaussians + cosine ^(a) aligned on Gaussian 1	389 725
`TWOGAUSSIANS_WITH_ELLIPSOIDAL_ON_ECLIPSE2`	9	4	Two Gaussians + cosine ^(a) aligned on Gaussian 2	85 400
Total with two Gaussians				2 063 051

`ONEGAUSSIAN`	5	3	One Gaussian.	36 984
`ONEGAUSSIAN_WITH_ELLIPSOIDAL`	6	2	One Gaussian + cosine ^(a)	48 215
Total with one Gaussian				85 199

`ELLIPSOIDAL`	4	1	A cosine ^(a)	36 227

All				2 184 477

Notes. The columns give the model type, the number of model parameters, the ranking used in model prioritisation, a description of the model type, and the number of sources of the given type in the Gaia DR3 table vari_eclipsing_binary.

^(a)

Cosine function with half the orbital period.

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