Free Access
Fig. 7
OJ287 near the 1913 maximum on a scanned HCO sky-survey photographic plate. The FOV of the area plotted is approximately 40 arcmin × 40 arcmin, north is top and east is to the left, and the comparison stars from Table 1 are indicated (star 3 is just at the plate threshold).
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.