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Table A.4

Euclid point-source selection criteria applied in this work. The cut in right ascension, RA, divides the area into two parts: the high- reddening region (RA < 85.1875); and the low reddening region (RA ≥ 85.1875).

Cut No. Criteria High-reddening region Low-reddening region


Count after cut % of catalogue Count after cut % of catalogue
1 ra_J_E Cut 124 249 38.04 126 693 38.79

2 −0.011<SPREAD_MODEL_J_E<0.014 70 558 21.60 47 630 14.58

3 0.472<FWHM_IMAGE_J_E<2.158 24 174 7.40 14 932 4.57

4 0<ELLIPTICITY_J_E<0.138 17 423 5.33 10 742 3.29

5 −0.01<SPREAD_MODEL_H_E<0.016 14 574 4.81 7944 2.97

6 1.238<FWHM_IMAGE_H_E<2.052 12 262 3.87 7018 2.50

7 −0.005<SPREAD_M0DEL_Y_E<0.017 11 550 3.62 6603 2.30

8 0.461<FWHM_IMAGE_Y_E<2.099 10 768 3.34 6208 2.03

9 Drop 99 in any I_E mag 9450 2.89 4663 1.43

10 −0.002<SPREAD_M0DEL_I_E<0.004 6819 2.09 3445 1.05

11 1.127<FWHM_IMAGE_I_E<2.843 6614 2.03 3293 1.01

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