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Fig. 4

image

Comparison of the J magnitude from FourStar PSF measurements to the J magnitude from 2MASS. Note the much smaller uncertainties for data from FourStar as compared to data from 2MASS.

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.