Fig. 1

Composite RGB optical (blue) + WISE 12 μm (green) and 22 μm (red) image centered on κ Ori. We indicate on the right side the XMM-Newton fields observed in Pillitteri et al. (2016) and Pillitteri et al. (2013) with white contours, and the field around V1818 Ori is indicate on the left side. The ring of warm dust is visible in the WISE bands and extends ~ 2deg from κ Ori (large dashed circle).
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.