Study of gravitational fields and globular cluster systems of early-type galaxies

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Volume 625 (May 2019)

A&A, 625 (2019) A32

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Table 2.

Properties of globular cluster systems.

Name	r_min	r_max	N	N_bin	ρ₀	x_br	a	b	ν_rot	s₃	s₄
	(arcmin)	(arcmin)			(arcmin⁻²)	(arcmin)			(km s⁻¹)
N 821	0.20	4.99	68	5	1.20	2.27	–1.6	–3.4	0 ⁽²⁸⁾	−0.3 ± 0.3	−0.5 ± 0.6
N 1023	0.35	7.86	113	6	1.97	2.50	–1.9	–3.8	119 ⁽²⁸⁾	−0.2 ± 0.2	−1.4 ± 0.5
N 1399	1.10	18.23	790	7	1.28	7.34	–1.1	–4.7	0 ⁽²⁰⁾	−0.12 ± 0.09	−0.6 ± 0.2
N 1400	0.34	9.20	68	8	1.48	3.09	–2.4	–4.5	10 ⁽¹⁹⁾	0.1 ± 0.3	−1.3 ± 0.6
N 1407	0.26	14.51	374	7	1.57	5.43	–1.4	–4.0	39 ⁽¹⁹⁾	−0.0 ± 0.1	−0.4 ± 0.3
N 2768	0.20	9.16	107	8	2.11	3.30	–2.2	–5.0	57 ⁽¹⁹⁾	0.0 ± 0.2	−0.8 ± 0.5
N 3115	0.44	7.70	150	7	1.54	3.38	–1.5	–4.3	100 ⁽¹⁹⁾	0.2 ± 0.2	−0.7 ± 0.4
N 3377	0.32	9.38	122	7	2.11	1.72	–1.4	–3.4	18 ⁽¹⁹⁾	−0.1 ± 0.2	−0.8 ± 0.4
N 4278	0.24	8.28	269	9	2.88	3.28	–1.6	–4.1	28 ⁽¹⁹⁾	−0.0 ± 0.1	−0.7 ± 0.3
N 4365	0.16	11.66	244	7	2.68	4.99	–2.0	–4.7	26 ⁽¹⁹⁾	−0.1 ± 0.2	−0.5 ± 0.3
N 4472	0.43	9.48	263	7	0.454	5.14	–0.50	–5.4	53 ⁽²¹⁾	0.2 ± 0.2	−0.4 ± 0.3
N 4486	0.62	29.99	634	15	0.927	3.13	–0.14	–3.4	25 ⁽¹⁹⁾	0.0 ± 0.1	−0.1 ± 0.2
N 4494	0.30	7.73	105	7	1.91	2.05	–1.4	–4.1	62 ⁽¹⁹⁾	0.0 ± 0.2	−0.9 ± 0.5
N 4526	0.34	6.74	107	7	1.84	2.46	–2.0	–3.4	142 ⁽²⁸⁾	−0.1 ± 0.2	−1.0 ± 0.5
N 4649	0.17	21.45	423	15	3.17	6.09	–1.8	–5.6	141 ⁽²²⁾	−0.0 ± 0.1	−0.6 ± 0.2
N 5128	1.11	42.48	530	20	0.111	9.43	–0.40	–4.3	33 ⁽²³⁾	0.0 ± 0.1	−0.5 ± 0.2
N 5846	0.26	8.83	205	10	1.06	5.14	–1.4	–4.2	5 ⁽¹⁹⁾	−0.2 ± 0.2	−0.1 ± 0.3

R17x	0.03	4.02	200	10	116	0.364	–0.51	–3.8	32	−0.0 ± 0.2	−0.8 ± 0.3
R17y	0.03	3.87	199	10	19.8	0.535	–1.6	–3.8	38	0.1 ± 0.2	−0.9 ± 0.3
R17z	0.03	5.27	200	10	17.3	0.620	–1.6	–3.9	41	−0.0 ± 0.2	−0.7 ± 0.3

Notes. r_min – Galactocentric radius of the innermost analyzed GC. r_max – Galactocentric radius of the outermost analyzed GC. N – Number of analyzed GCs. N_bin – Number of bins used to fit the surface number density profile. ρ₀, x_br, a, b – Parameters of the surface number density fit (Eq. (2)). ν_rot – Projected systemic rotational velocity of the GC system. s₃, s₄ – Skewness and kurtosis, respectively, of the total GC velocity distribution. See Sect. 3 for details.

References. (19) Pota et al. (2013); (20) Dirsch et al. (2003); (21) Côté et al. (2003); (22) Hwang et al. (2008); (23) Woodley et al. (2010); (28) Alabi et al. (2017).

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