Probing the farthest star clusters to the Small Magellanic Cloud

Open Access

Table 1.

Astrophysical and structural parameters of SMC star clusters.

Parameter	OGLE-CL-	OGLE-CL-	Lindsay 116
	SMC0133	SMC0237
E(B − V)^* (mag)	0.14 ± 0.01	0.11 ± 0.01	0.05 ± 0.01
(m − M)_o (mag)	18.70 ± 0.05	18.90 ± 0.05	18.40 ± 0.05
d (kpc)	54.95 $_{- 1.59}^{+ 1.29}$ $^{+1.29}_{-1.59}$	60.26 $_{- 1.37}^{+ 1.40}$ $^{+1.40}_{-1.37}$	47.86 $_{- 1.09}^{+ 1.11}$ $^{+1.11}_{-1.09}$
log(age/yr)	9.40 ± 0.05	9.35 ± 0.05	9.35 ± 0.05
[Fe/H] (dex)	–0.70 ± 0.10	–0.70 ± 0.10	–1.00 ± 0.10
r_c (arcmin)	0.30 ± 0.02	0.25 ± 0.02	0.20 ± 0.02
r_h (arcmin)	0.60 ± 0.05	0.45 ± 0.02	0.45 ± 0.02
r_t (arcmin)	2.50 ± 0.20	1.50 ± 0.20	2.10 ± 0.20
r_cls (arcmin)	0.65 ± 0.05	0.41 ± 0.05	1.20 ± 0.05
γ	4.00 ± 0.50	4.00 ± 0.50	3.50 ± 0.50
c	0.91 ± 0.03	0.77 ± 0.04	1.02 ± 0.03
r_proj (^o)	0.88	0.82	5.84
r_deproj (kpc)	7.6 ± 0.3	2.6 ± 0.3	15.7 ± 0.2
log(M/M_⊙)	3.27	3.26	2.85
t_r (Myr)	329 ± 24	242 ± 9	126 ± 5
age/t_r	7.63 ± 0.60	9.24 ± 0.65	17.75 ± 1.25
pmra (mas/yr)	0.666 ± 0.071	0.818 ± 0.063	1.633 ± 0.090
pmdec (mas/yr)	–1.249 ± 0.030	–1.233 ± 0.039	–1.098 ± 0.074

Notes. From NASA/IPAC Infrared Science Archive. Columns give interstellar reddening (E(B − V)), true distance modulus ((m − M)_o), heliocentric distance (d), age (log(age/yr)), overall metallicity ([Fe/H]), core, half-light, tidal and cluster radii (r_c, r_h, r_t, r_cls), EFF gamma value (γ), concentration parameter (c), projected distance (^o), deprojected distance (r_deproj), cluster mass (M/M_⊙), relaxation time (t_r), and proper motions (pmra, pmdec).

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