Free Access

Fig. 2.


Download original image

From left to right, top to bottom: integrated intensity map of HCO+(1−0), CS(2−1), CN(1−0), HCN(1−0), HNC(1−0), N2H+, CCH, and H13CO+ (1−0). The white ellipses mark the approximate inner and outer edges of the dust ring at 180 au and 260 au, respectively. The beam size is indicated in the lower left corner and the colour scale is on the right is units of Jy beam−1 km s−1. The intensity was integrated in the velocity range from 4.0 to 9.0 km s−1 with the threshold of 3σ. Contour levels are spaced by 5σ in the maps of HCO+ and CS(2−1), and 3σ in the maps of CN, HCN, HNC, N2H+, CCH, and H13CO+ (1−0).

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.