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Table 1.

Values for the criteria established in Kokorev et al. (2024) and Kocevski et al. (2024), defined in Sect. 3.2, obtained for the LRD pair and SAT0.

Source Kokorev+24 Kocevski+24 Compactness

(1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) F606W F814W F090W F115W F150W F200W F277W F356W F410M
(mag) (mag) (mag) (mag) (pix)
LRD1 0.02 1.57 1.90 1.24 0.20 252 1.73 –1.65 1.03 3.78 2.72 2.08 1.58 1.68 1.59 1.55 1.51 1.35 1.35
LRD2 0.08 1.49 1.73 1.20 0.62 59 1.38 –0.98 1.72 3.49 2.38 0.24 0.90 1.29 1.11 1.22 1.21 1.19
SAT0 –0.17 1.11 0.87 2.03 –0.06 13 –0.30 –2.10 2.41 2.08 1.48 1.10 1.40 1.48 1.50 1.54 1.61 1.80 1.81

Notes. Compactness refers to f(0.5″)/f(0.3″) in the corresponding band. Bold values highlight those criteria that are not satisfied. Absent values correspond to measurements in which fluxes are negative. Note that measurements of compactness and half-light radius of SAT0 are highly susceptible to contamination from LRD1. The LRDs display a compactness <  1.7 also in the rest of the bands. This value is larger in F814W in the case of LRD1, but measurements in that band are quite noisy (S/N ∼ 0.8 from PSF photometry).

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