Open Access

Fig. 6

Fig. 6 Refer to the following caption and surrounding text.

Download original image

Aladin WISE colour image. The coloured ellipses and circles indicate the position and size of the H I shells, as depicted in Fig. 1. The white circles show the H II regions, while the red ones show the 13 areas selected to search for massive star candidates. The blue and pink dots from Figure 6 are stars with confirmed spectral types, earlier and later than B2, respectively.

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.