Free Access

Table 2

Hβ equivalent widths (EW), ages and presence of WR stars in regions from both this study (bold numbers; see Table 4 for details of the measurements) and that of Monreal-Ibero et al. (2010).

Region SN a H ii 2 WR2 WR1 WR3 WR4 5 6 1, He ii 4 WR5 2 4 3 He ii 1
Other literature H04-1, H04-4, H04-21 H04-17
namesb LS-B LS-C
EW(Hβ) (Å) 250–350 320 180 130 130 130 110 105 100 95 85 60 34 14 9
Age (Myr)c 2.3–2.7 2.4 3.2 3.4 3.4 3.4 4.4 4.5 4.6 4.6 4.7 4.8 5.4 6.3 7.5
WNd × ? ? × ? ? ? ×
WCd × ? ? ? × ? ×

Notes.

(a)

SN=Supernebula. The range in EWs and ages reflects the variation in values found in the literature.

(c)

Ages calculated from the predictions of Starburst99 (Leitherer et al. 1999).

(d)

? indicates where the relevant WR signature has not been observed in this region.

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.