Free Access

Table 3

Statistics of the predicted radius of shell number 2.

r1,median rms r1,min r1,max

Basic grid 1169 21 1139 1224
“Standard” μ 1210 28 1625 1254

Notes. “Rediscovering” the outermost known shell a at 1170. All quantities are in arcseconds and their meaning is the same as in Table 2.

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.