Exploring the formation mechanisms of tidal structures in globular clusters of extragalactic origin

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Table 1

Internal parameters and classification of our globular cluster sample.

Name	$r_{t}^{King}$ $\[r_{\mathrm{t}}^{\text {King}}\]$ (′)	$r_{t}^{dyn}$ $\[r_{\mathrm{t}}^{\text {dyn}}\]$ (′)	log₁₀(M/M_⊙)	v_esc (km s⁻¹)	c	$r_{h, m} / r_{t}^{dyn}$ $\[r_{\mathrm{h}, \mathrm{m}} / r_{\mathrm{t}}^{\text {dyn}}\]$	M_dis/M_init	[Fe/H] (dex)	log₁₀(age/T_rh)	Type	Progenitor
NGC 288	13.19	36.39	4.98	10.9	0.99	0.09	0.26	−1.32	0.56	G1	GSE
NGC 362	10.36	33.85	5.40	34.0	1.76	0.04	0.28	−1.26	1.06	G2	GSE
Whiting 1	0.89	4.94	3.13	1.1	0.55	0.38	0.21	−0.70	0.48	G1	Sag
NGC 1261	5.06	28.95	5.24	21.4	1.16	0.04	0.19	−1.27	0.84	G1	GSE
NGC 1851	6.52	35.58	5.45	41.1	1.86	0.03	0.23	−1.18	1.06	G2	GSE
NGC 1904	8.02	17.40	5.26	27.6	1.70	0.07	0.44	−1.60	0.93	G1	GSE
NGC 4147	6.08	17.38	4.65	14.2	1.83	0.04	0.35	−1.80	1.48	G1	GSE
NGC 4590	14.91	25.88	5.11	14.8	1.41	0.09	0.06	−2.23	0.58	G2	H99
NGC 5024	18.37	34.01	5.70	25.9	1.72	0.05	0.00	−2.10	0.16	G3	H99
NGC 5053	11.43	17.96	4.80	6.0	0.74	0.19	0.11	−2.27	0.20	G2	H99
NGC 5272	28.72	43.65	5.61	32.0	1.89	0.04	0.02	−1.50	0.57	G3	H99
NGC 5466	15.68	16.36	4.75	6.5	1.04	0.18	0.15	−1.98	0.35	G1	Seq
NGC 5634	10.57	25.50	5.39	24.2	2.07	0.04	0.09	−1.88	0.47	G3	GSE/H99
NGC 5897	10.14	19.73	5.22	12.5	0.86	0.15	0.18	−1.90	0.32	G1	GSE
NGC 5904	23.63	37.36	5.59	30.4	1.73	0.07	0.05	−1.29	0.56	G3	GSE/H99
NGC 6205	21.01	60.36	5.69	32.4	1.53	0.04	0.12	−1.53	0.61	G3	GSE
NGC 6229	3.79	21.87	5.39	25.3	1.50	0.03	0.20	−1.47	0.83	G2	GSE
NGC 6341	12.44	45.70	5.44	36.4	1.68	0.03	0.21	−2.31	1.00	G2	GSE
Terzan 7	4.17	8.78	4.35	4.6	0.93	0.20	0.08	−0.32	0.39	G1	Sag
Arp 2	9.03	10.41	4.59	4.5	0.88	0.22	0.08	−1.75	0.26	G1	Sag
Terzan 8	3.98	13.51	4.88	6.0	0.60	0.20	0.03	−2.16	0.01	G1	Sag
NGC 6864	5.68	26.14	5.66	48.4	1.80	0.02	0.14	−1.29	1.04	G2	GSE
NGC 6981	7.46	11.14	4.91	12.4	1.21	0.11	0.40	−1.42	0.97	G2	GSE/H99
NGC 7089	12.45	32.57	5.80	43.6	1.59	0.04	0.16	−1.65	0.62	G2	GSE
NGC 7099	18.97	28.93	5.08	21.0	2.50	0.06	0.26	−2.27	1.10	G3	GSE
Pal 12	19.10	11.89	3.79	2.5	2.98	0.16	0.22	−0.85	0.82	G3	Sag
Pal 13	2.19	5.51	3.44	1.8	0.66	0.42	0.43	−1.88	0.82	G1	Seq
NGC 7492	4.51	12.08	4.29	4.4	0.72	0.12	0.37	−1.78	0.77	G1	GSE

Notes. Columns list: cluster name, King and dynamical tidal radii, present-day cluster mass (logarithmic scale), central escape velocity, central concentration, ratio of half-mass radius to dynamical tidal radius, mass-loss fraction, metallicity, relaxation–age ratio, classification type, and possible progenitor system. Among them, $r_{t}^{King}$ $\[r_{\mathrm{t}}^{\text {King}}\]$ , c and [Fe/H] are taken from the Harris catalog (Harris 1996, 2010 edition); the classification type and progenitor system are derived in this work; all other parameters are taken from, or computed using, the globular cluster database used in this study.

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