Origin of the differences in rotational support among early-type galaxies: The case of galaxies outside clusters

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Volume 672 (April 2023)

A&A, 672 (2023) A27

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Table 1.

Predictability of the investigated merger-sensitive parameters from the rotational support, .

Parameter	All		log M_JAM < 11		log M_JAM ≥ 11		log ρ₁₀ < −2		log ρ₁₀ ≥ −2
	sign	p [%]	sign	p [%]	sign	p [%]	sign	p [%]	sign	p [%]
Shells	−	19	−	53	−	20	+	79	−	13
Streams	−	34	−	29	−	59	+	88	−	31
Tails	−	22	−	24	−	46	−	43	−	35
Disturbed isophotes	−		−	6.0	−	10	−	29	−	1.1
Any TF	−	22	−	30	−	46	−	95	−	21
Any TF or DI	−	13	−	29	−	33	−	36	−	22
Shell fr.	−	16	−	30	−	39	+	59	−	11
Stream fr.	−	40	−	14	−	88	−	78	−	46
Tail fr.	−	20	−	15	−	65	−	29	−	38
Dust	+	49	+	97	+	18	+	33	+	74
KDC	−		−		−	47	−	9.1	−
CRC	−		−		−	13	−	2.7	−
KT	−	36	−	43	−	85	N/A	N/A	−	43
2σ	−		−		N/A	N/A	−	26	−
No kin. feature	+		+		−	69	+		+	6.8
log R_e	−	8.6	−	30	−	8.4	−	21	−	23
Core γ′	+	35	+	92	+	19	−	1.9	+	10
SSP age	−	87	−	86	−	76	−	60	−	97
SSP age gr.	−	82	+	73	−	70	+	66	−	78
SSP Z	+		+		+	15	+	1.7	+
SSP Z gr.	+	3.2	+	6.2	+	13	+	1.5	+	33
SSP α	+	83	+	32	−	3.5	−	30	+	26
SSP α gr.	+	59	+	31	−	25	−	34	+	11

Notes. The sign sub-column means the sign of the correlation, while the p subcolumn shows the probability that there is actually no correlation.

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