Spatial distribution and clustering properties of the young stellar populations in the Carina Nebula complex and Car OB1

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Table 3

Car OB1 clusters that show indications of expansion or contraction at a least 1σ significance and their kinematic age τ_kin .

Cluster	Angle (°)	Expansion			Contraction
		Significance	τ_kin (Myr)	τ_stellar	significance
NGC 3293	38			≈10	2.3σ
Trumpler 14	90	5.2σ	${1.07}_{- 0.16}^{+ 0.22}$ $1.07_{ - 0.16}^{ + 0.22}$	≈1
Trumpler 16	168	2.8σ	${5.19}_{- 1.42}^{+ 3.14}$ $5.19_{ - 1.42}^{ + 3.14}$	≈3.5
CCCP-Cl 13	5	1.5σ	${1.09}_{- 0.39}^{+ 1.38}$ $1.09_{ - 0.39}^{ + 1.38}$
Bochum 11	99	1.9σ	${0.62}_{- 0.19}^{+ 0.48}$ $0.62_{ - 0.19}^{ + 0.48}$	≈3–10
IC 2581	170	2.3σ	${4.80}_{- 1.49}^{+ 3.92}$ $4.80_{ - 1.49}^{ + 3.92}$	≈12
NGC 3324	135	1.2σ	${1.98}_{- 0.90}^{+ 10.30}$ $1.98_{ - 0.90}^{ + 10.30}$	≈11
UBC 501	48	1.3σ	${4.91}_{- 1.84}^{+ 7.40}$ $4.91_{ - 1.84}^{ + 7.40}$	≈13

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