Table 1: Structural parameters of Ursa Major I dSph.
Parameter Value

Coordinates (J2000) 10 $^{\rm h}$ 34 $^{\rm m}$ 44.4 $^{\rm s}$ , $+51^{\circ}55\hbox{$^\prime$ }33.9\hbox{$^{\prime\prime}$ }$

Position angle 78 $^{\circ}$ .12

Ellipticity 0.54

r_1/2 (exponential) 11.30 $\pm$ 0.50 [arcmin]

r_1/2 (Plummer) 10.42 $\pm$ 0.76 [arcmin]

$\mu_{0,V}$ (exponential) 29.5 $\pm$ 0.2 [mag/arcsec²]

$\mu_{0,V}$ (Plummer) 29.7 $\pm$ 0.4 [mag/arcsec²]

(m-M)₀ 19.93 $\pm$ 0.1

Distance 96.8 $\pm$ 4 [kpc]

**Table 1:** Structural parameters of Ursa Major I dSph.
Parameter	Value
Coordinates (J2000)	10 $^{\rm h}$ 34 $^{\rm m}$ 44.4 $^{\rm s}$ , $+51^{\circ}55\hbox{$^\prime$ }33.9\hbox{$^{\prime\prime}$ }$
Position angle	78 $^{\circ}$ .12
Ellipticity	0.54
r_1/2 (exponential)	11.30 $\pm$ 0.50 [arcmin]
r_1/2 (Plummer)	10.42 $\pm$ 0.76 [arcmin]
$\mu_{0,V}$ (exponential)	29.5 $\pm$ 0.2 [mag/arcsec²]
$\mu_{0,V}$ (Plummer)	29.7 $\pm$ 0.4 [mag/arcsec²]
(m-M)₀	19.93 $\pm$ 0.1
Distance	96.8 $\pm$ 4 [kpc]

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