The initial Gaia source list | Astronomy & Astrophysics (A&A)

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Table 1

Summary of the different catalog contributions in the IGSL.


Catalog	Code	IGSL	Priorities¹
		matches	α/δ, μ, R_F/B_J, G/G_rvs, C

GEPC	67	608022	6, –, 5, 3, 5
GSC23	1	777680797	7, 5, 2, 5, 4
LQRF	4	174715	1, 1, –, -, 1
OGLE	66	182451526	9, –, 6, 4, 6
PPMXL	49	825467433	5, 4, 3, 6, –
SDSS	2	172398260	4, –, 4, 1, 3
2MASS	18	470005483	8, –, 7, 7, 7
TYCHO2	5	2548506	3, 3, 1, 2, 2
UCAC	3	107701585	2, 2, -, –, 8

Notes.

⁽¹⁾

The priority for assignment of a given parameter; i.e., the positions are first taken from the LQRF, if the object is not there it is taken from UCAC, then TYCHO2, and so on. − Not provided by the contributing catalog.

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