Free Access

Fig. 4.

image

Left panel: doppler signal for the selected pixels marked in Fig. 2h and (right panel) corresponding Scargle periodograms of the signal. (+) symbols correspond to data, solid line to a cosine fit. Dashed line represents FAP = 1%, dotted line represents FAP = 5%. On the left panels, the P value gives the period of the fitted cosine curve in minutes. The error bar is equal ±0.5 km s−1.

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.