Gaia Data Release 3
Open Access

Table 4.

Number of objects in the different samples from the SPICY catalogue.

Source type SPICY Gaia DR3 In var. Gaia DR3 Gaia DR3 YSO Gaia DR3 YSO Gaia DR3 YSO
class. YSO % of SPICY % of Gaia DR3 % of var. class.
Total 117 446 37 693 3693 751 0.64 1.99 20.30
Class I 15 943 2529 130 8 0.05 0.32 6.15
Flat spectrum 23 810 5480 514 87 0.37 1.59 16.93
Class II 59 949 24 486 2560 598 1.00 2.44 23.36
Class III 5352 3413 462 57 1.07 1.67 12.34

Notes. The meanings of the columns are as follows: (1) source type as reported in SPICY; (2) number of sources reported in SPICY; (3) number of sources from the SPICY catalogue also present in the Gaia DR3; (4) number of sources participating in the variability classification; (5) number of sources classified as YSO during variability classification; (6) fraction of SPICY sources classified as YSO, i.e. Col. 5 divided by Col. 2; (7) fraction of Gaia DR3 sources classified as YSO, i.e. Col. 5 divided by Col. 3; (8) fraction of those sources participating in the variability classification and classified as YSO, i.e. Col. 5 divided by Col. 4.

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