Open Access

Table 1.

Description for the 15 features (15F) provided for the model.

Feature Definition
(u′−g′)0 Photometric color.
(u′−i′)0 Photometric color.
(u′−J)0 Photometric color.
(u′−Ks)0 Photometric color.
(g′−i′)0 Photometric color.
(g′−J)0 Photometric color.
(g′−Ks)0 Photometric color.
(i′−J)0 Photometric color.
(i′−Ks)0 Photometric color.
(J − Ks)0 Photometric color.
SM Spread model difference between PSF and
object profile.
C Concentration Index.
Cλ = MAG_APER (2pix) – MAG_APER (8pix)
FR Flux radius, containing 50% of the total flux.
FWHM Full width half maximum, of the object’s profile.
e Ellipticity, e = 1 − b/a.

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.