The Gaia DR2 census of the Scorpius OB2 association based on kinematic modeling

Open Access

Table 6

Results of the age and extinction estimate per subgroup.

Name	N_tot	N_cmd	Age (Myr)	σ_age (Myr)	A_V (mag)	σ_{A_v} (mag)
Halo	1971	1811	17.5	0.5	0.2	0.1
LS	487	427	14.0	1.0	0.1	0.1
UCL-4	40	37	17.5	1.7	0.4	0.1
US	1137	994	11.5	0.9	0.4	0.1
UCL-3	157	147	17.5	2.2	0.1	0.1
UCL-2	202	185	17.5	0.3	0.2	0.1
LCC	1048	989	17.5	0.5	0.2	0.1
UCL-1	39	38	17.5	1.1	0.1	0.1
LCC-1	25	24	17.5	1.6	0.2	0.1

Notes. The second column lists the number of members N_tot; in the third column N_cmd is the selection that passes the BP/RP excess filter; only the latter stars were involved in the age-extinction estimation process.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.