Fig. 9.
Download original image
Comparison of an early spectrum of SN 2018ivc (+10 d) with those at similar epochs of SNe IIn 1996al and 1998S, SNe IIb 1993J and 2011fu, SN IIL 2007fz. The true spectral appearance of SN 2018ivc in the first days is hidden by the effects of interaction. H and He transitions are marked by the continuous and dashed vertical lines, 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.