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Table 2

Number of clusters in each class.

VLS FLS1 FLS2

Non-CC 57 27 22
Cool core 36 24 20

Total 93 51 42

Notes. The samples are identical to those described in Table 1.

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.

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