The COSMOS-Web ring: In-depth characterization of an Einstein ring lensing system at z ∼ 2

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Volume 687 (July 2024)

A&A, 687 (2024) A61

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Table 3.

Photometric redshift estimates and physical properties of the source. For SE++, we quote the results on CW.

Code	z_phot	M_⋆	SFR
		× 10¹⁰ M_⊙	M_⊙ yr
(1)	(2)	(3)	(4)
LEPHARE (SE++)	$5 . 27_{- 0.02}^{+ 0.02}$ $5.27^{+0.02}_{-0.02}$	$0 . 74_{- 0.06}^{+ 0.08}$ $0.74^{+0.08}_{-0.06}$	$25 . 0_{- 3.00}^{+ 6.00}$ $25.0^{+6.00}_{-3.00}$
CIGALE (SE++)	$4 . 78_{- 0.15}^{+ 0.10}$ $4.78^{+0.10}_{-0.15}$	$1 . 05_{- 0.66}^{+ 0.56}$ $1.05^{+0.56}_{-0.66}$	$17 . 0_{- 5.00}^{+ 6.00}$ $17.0^{+6.00}_{-5.00}$
EAZY (SE++)	$5 . 12_{- 0.01}^{+ 0.01}$ $5.12^{+0.01}_{-0.01}$	$1 . 58_{- 0.13}^{+ 0.11}$ $1.58_{-0.13}^{+0.11}$	$83 . 0_{- 6.00}^{+ 5.00}$ $83.0_{-6.00}^{+5.00}$
LEPHARE (SL_FIT)	$5 . 48_{- 0.06}^{+ 0.06}$ $\boldsymbol{5.48^{+0.06}_{-0.06}}$	$1 . 26_{- 0.16}^{+ 0.17}$ $\boldsymbol{1.26^{+0.17}_{-0.16}}$	$77 . 6_{- 11.0}^{+ 15.4}$ $\boldsymbol{77.6^{+15.4}_{-11.0}}$
CIGALE (SL_FIT)	$5 . 27_{- 0.03}^{+ 0.01}$ $5.27^{+0.01}_{-0.03}$	$2 . 87_{- 0.50}^{+ 0.50}$ $2.87^{+0.50}_{-0.50}$	$78 . 4_{- 5.58}^{+ 5.58}$ $78.4^{+5.58}_{-5.58}$
EAZY (SL_FIT)	$5 . 08_{- 0.04}^{+ 0.06}$ $5.08^{+0.06}_{-0.04}$	$5 . 75_{- 0.48}^{+ 0.39}$ $5.75^{+0.39}_{-0.48}$	$24 . 7_{- 2.28}^{+ 2.52}$ $24.7^{+2.52}_{-2.28}$

Notes. Legend is similar to that of Table 2. Physical parameters from SE++ photometry correspond to the clump CW only and are corrected from magnification assuming a magnification factor of μ = 11.6. Values from SL_FIT photometry correspond to the whole ring and are intrinsic by construction. Text in boldface represents values used as reference in the analysis.

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