On the kinematic detection of accreted streams in the Gaia era: a cautionary tale

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Table 6

Fractional contribution of accreted stars to the Helmi region and to the extreme prograde region for the 1 × (1:10) simulation.

R _sun	Volume #	N _star,Reg1	f _sat,Reg1	N _star,Reg2	f _sat,Reg2

8.	1	343	0.41	115	0.67
8.	2	264	0.28	127	0.75
8.	3	283	0.44	88	0.78
8.	4	241	0.34	50	0.34
8.	5	275	0.18	65	0.52
8.	6	277	0.35	153	0.78
8.	7	354	0.48	152	0.76
8.	8	284	0.43	137	0.80
12.	1	167	0.51	125	0.73
12.	2	140	0.29	137	0.67
12.	3	169	0.55	84	0.62
12.	4	150	0.33	53	0.30
12.	5	131	0.29	43	0.35
12.	6	177	0.42	286	0.89
12.	7	229	0.56	110	0.63
12.	8	163	0.39	71	0.55

Notes. For each solar vicinity volume, the total number of stellar particles in the Helmi region (N_star,Reg1) and in the extreme prograde region (N_star,Reg2) is shown, together with the respective fractions of satellite stars (f_sat,Reg1 and f_sat,Reg2). See Sect. 3.2.1 for details.

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