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Table A.1.

Summary for the model setups for the 15 strong lensing systems in our sample.

System Mass Profiles Lens-light profiles Source-light profiles Additional Priors Modeler(s)
DESI J023.0157−16.0040
(J0132−1600)
EPL, Shear Double Elliptical Sérsic Elliptical Sérsic,
Shapelets (nmax = 10)
FRS,
AB
DESI J024.1631+00.1384
(J0136+0008)
EPL, SIE, Shear Double Elliptical Sérsic,
Satellite: Elliptical Sérsic
Elliptical Sérsic,
Shapelets (nmax = 10)
qm> qL,
θ E , Cen θ E , Sat = flux Cen flux Sat $ \dfrac {\theta _{\mathrm {E, Cen}}}{\theta _{\mathrm {E, Sat}}} = \sqrt {\dfrac {\mathrm {flux_{Cen}}}{\mathrm {flux_{Sat}}}} $
SHR,
FRS,
AAC
DESI J030.4360−27.6618
(J0201−2739)
EPL, SIE, Shear Double Elliptical Sérsic,
Satellite: Elliptical Sérsic
Elliptical Sérsic,
Shapelets (nmax = 8)
qm> qL,
θ E , Cen θ E , Sat = flux Cen flux Sat $ \dfrac {\theta _{\mathrm {E, Cen}}}{\theta _{\mathrm {E, Sat}}} = \sqrt {\dfrac {\mathrm {flux_{Cen}}}{\mathrm {flux_{Sat}}}} $
SMRA
DESI J033.8095−29.1570
(J0215−2909)
EPL, Shear Double Elliptical Sérsic Elliptical Sérsic,
Double Shapelets
(nmax = 10)
qm> qL NJ
DESI J094.5639+50.3059
(J0618+5018)
EPL, SIE, Shear Double Elliptical Sérsic,
Satellite: Elliptical Sérsic
Elliptical Sérsic,
Shapelets (nmax = 10)
qm> qL,
θ E , Cen θ E , Sat = flux Cen flux Sat $ \dfrac {\theta _{\mathrm {E, Cen}}}{\theta _{\mathrm {E, Sat}}} = \sqrt {\dfrac {\mathrm {flux_{Cen}}}{\mathrm {flux_{Sat}}}} $
AAI,
AR
DESI J140.8110+18.4954
(J0923+1829)
EPL, SIE, Shear Single Elliptical Sérsic,
Satellite: Elliptical Sérsic
Elliptical Sérsic,
Shapelets (nmax = 10)
MR
DESI J154.6972−01.3590
(J1018−0121)
EPL, Shear Single Elliptical Sérsic Elliptical Sérsic,
Shapelets (nmax = 10)
MJH
DESI J165.4754−06.0423
(J1101−0602)
EPL, Shear Double Elliptical Sérsic Elliptical Sérsic,
Shapelets (nmax = 8)
SMRA,
JF
DESI J181.3974+41.1790
(J1205+4110)
EPL, Shear, Flexion Double Elliptical Sérsic Elliptical Sérsic,
Shapelets (nmax = 10)
SHR,
MSH
DESI J225.4050+52.1417
(J1501+5208)
EPL, Shear Double Elliptical Sérsic Elliptical Sérsic,
Shapelets (nmax = 8)
MHN
DESI J234.4783+14.7232
(J1537+1443)
EPL, Shear Single Elliptical Sérsic Elliptical Sérsic,
Shapelets (nmax = 6)
MHT
DESI J238.5690+04.7276
(J1554+0443)
EPL, Shear Double Elliptical Sérsic Elliptical Sérsic,
Shapelets (nmax = 5)
ZJ
DESI J246.0062+01.4836
(J1624+0129)
EPL, SIE, Shear Double Elliptical Sérsic,
Satellite: Elliptical Sérsic
Elliptical Sérsic,
Shapelets (nmax = 10)
AAI
DESI J257.4348+31.9046
(J1709+3154)
EPL, Shear Double Elliptical Sérsic Elliptical Sérsic,
Shapelets (nmax = 8)
TA
DESI J329.6820+02.9584
(J2158+0257)
EPL, Shear Double Elliptical Sérsic Elliptical Sérsic,
Shapelets (nmax = 10)
FRS

Notes. In addition to enlisting the system names in DESI’s decimal convention, we also provide their alternative sexagesimal version (in parentheses). The description of each model setting is described in Section 3. The contributing modelers for each system are also tabulated. For some systems, we have imposed a prior condition on the satellite galaxy’s Einstein radius for it to scale with the mass, assuming the mass-to-light ratio is the same for both the central deflector and the satellite. This condition is denoted with θ E , Cen / θ E , Sat = flux Cen / flux Sat $ \theta _{\mathrm {E, Cen}}/\theta _{\mathrm {E, Sat}} = \sqrt {{\mathrm {flux_{Cen}}}/{\mathrm {flux_{Sat}}}} $ for the cases it was used.

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