The XXL Survey - XLII. Detection and characterisation of the galaxy population of distant galaxy clusters in the XXL-N/VIDEO field: A tale of variety

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Table 3.

Summary of the stellar population fits obtained for the blue BCGs.

Fit		z₀	Dust absorption ^(a)	Metallicity	τ^(b)
			(%)	(Z_⊙)	(Gyr)
No dust, varying z₀ and Z	1.497	4.426	0	1.24	0
Varying z₀, Z, and dust	1.920	4.352	6.67	1.10	0
No dust, varying z₀, Z, and τ	1.954	5.241	0	1.20	0.317

Notes.

^(a)

Fraction of starlight absorbed by dust.

^(b)

Characteristic timescale for an exponentially decreasing star formation rate.

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