Free Access

Table 1

Lines of sight used.

l(°) b(°) Area (deg2) Extinction E(B − V)

150 15 1.94 0.25
180 11 0.45 0.241
183 21 1.22 0.054
183 31 3.27 0.052
223 20 1.00 0.035

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.