Fig. A.1

First row: Nova Sgr 1893, Nova Sgr 1897, Nova Sgr 1899 and Nova Sco 1901. Second row: Nova Sgr 1901, Nova Sgr 1905, Nova Cir 1906 and Nova Sco 1906. Third row: Nova Sgr 1910, Nova Sgr 1914c, Nova Sgr 1917 and Nova Sgr 1919. Fourth row: Nova Sco 1922 , Nova Sgr 1924, Nova Sgr 1926, Nova Sgr 1926a. Last row: Nova Sco 1928, Nova Sgr 1928, Nova Sgr 1930 and Nova Cen 1931.
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.