Euclid: A blue galaxy population and a brightest cluster galaxy in the making in a z ∼ 1.74 MaDCoWS2 galaxy cluster candidate

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Table 3.

Fitting parameters, priors, and results of the SED fit.

Parameter	Prior¹	Results
Age (Gyr)	[0.001,3.74]²	$0 . 32_{- 0.03}^{+ 0.04}$ $Mathematical equation: $ 0.32^{+0.04}_{-0.03} $$
Mass formed [log₁₀(M/M_⊙)]	[10,13]	$11 . 94_{- 0.02}^{+ 0.03}$ $Mathematical equation: $ 11.94^{+0.03}_{-0.02} $$
A_v (mag)	[0,2]	$0 . 95_{- 0.10}^{+ 0.08}$ $Mathematical equation: $ 0.95^{+0.08}_{-0.10} $$

Metallicity (Z/Z_⊙)	[0,2.5]³	$1 . 11_{- 0.40}^{+ 0.48}$ $Mathematical equation: $ 1.11^{+0.48}_{-0.40} $$
Stellar mass [log₁₀(M/M_⊙)]⁴	–	$11 . 76_{- 0.02}^{+ 0.03}$ $Mathematical equation: $ 11.76^{+0.03}_{-0.02} $$

Notes. ¹All priors are uniform. ²The code automatically limited the prior to the age of the Universe at the considered redshift. ³We also tested models with fixed metallicities. See the explanation in the main text. ⁴Bagpipes does not fit directly the current stellar mass, but rather the total stellar mass formed during the star-formation history. We included the current stellar mass for indicative purposes only.

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