Table 2: The fundamental parameters of M4.
Parameter Value Ref.

( $\alpha$ , $\delta$ ) $_{\rm J2000.0}$ $(16^{\rm h}23^{\rm m}35.5^{\rm s}, -26^{\circ}31' 31'')$ 1

( $\ell$ , b) $_{\rm J2000.0}$ ( $350\hbox{$.\!\!^\circ$ }97$ , $15\hbox{$.\!\!^\circ$ }97$ ) 1

distance 1.7 kpc 2

core radius $r_{\rm c}$ 0.53 pc 3

half mass radius $r_{\rm h}$ 2.3 pc 3

tidal radius 21 pc 3

$\rm [Fe/H]$ -1.07 4

Present-day Total Mass 63 000 $M_\odot$ 5

Age 12 Gyr 6

Radial velocity 70.29 km s^-1 7

¹ Djorgovski & Meylan (1993); ² Peterson et al. (1995); ³ Trager et al. (1993); ⁴ Marino et al. (2008); ⁵ Richer et al. (2004); ⁶ Hansen et al. (2004); ⁷ this work.

**Table 2:** The fundamental parameters of M4.
Parameter	Value	Ref.
( $\alpha$ , $\delta$ ) $_{\rm J2000.0}$	$(16^{\rm h}23^{\rm m}35.5^{\rm s}, -26^{\circ}31' 31'')$	1
( $\ell$ , b) $_{\rm J2000.0}$	( $350\hbox{$.\!\!^\circ$ }97$ , $15\hbox{$.\!\!^\circ$ }97$ )	1
distance	1.7 kpc	2
core radius $r_{\rm c}$	0.53 pc	3
half mass radius $r_{\rm h}$	2.3 pc	3
tidal radius	21 pc	3
$\rm [Fe/H]$	-1.07	4
Present-day Total Mass	63 000 $M_\odot$	5
Age	12 Gyr	6
Radial velocity	70.29 km s^-1	7

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