Open Access

Table B.1.

Relative ellipticity error on the measured galaxy shapes, , for both PSF models and both shape measurement methods.

S/N 10
20
35
50
Ellipticity component 1st 2nd 1st 2nd 1st 2nd 1st 2nd
KSB RCA 1.19 0.76 1.04 0.73 1.02 0.76 1.00 0.77
PSFEx 2.34 1.88 2.29 1.95 2.26 1.91 2.28 1.93

im3shape RCA 0.73 0.42 0.67 0.40 0.64 0.41 0.62 0.40
PSFEx 0.81 0.48 0.80 0.50 0.79 0.50 0.79 0.49

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.