A clustering-based search for substructures in the Galactic plane and bulge using RR Lyrae stars as tracers

Open Access

Table E.1

Properties of the most compact groups found in our RRab samples with at least three stars.

ID^a	N_RRab	〈ℓ〉 (^°)	〈 b〉 (^°)	〈μ_ℓ cos b〉 (mas yr⁻¹)	〈μ_b〉 (mas yr⁻¹)	〈[Fe/H]〉 (dex)	〈 d〉 (kpc)
G1	3	5.00	−8.50	−2.37	2.12	−1.43	25.5
G2	3	7.72	−10.94	−2.43	1.66	−1.44	27.0
G3	3	5.82	−13.05	−2.45	2.07	−1.47	26.8
G4	3	5.45	−13.56	−2.42	1.64	−1.33	26.2
G5	5	5.90	−12.60	−2.37	1.84	−1.58	26.9
G6	3	3.57	−11.92	−2.45	1.92	−1.53	26.5
G7	4	5.43	−11.67	−2.44	1.85	−1.37	25.8
G8	3	6.31	−11.76	−2.42	1.97	−1.67	25.5
G9	4	5.01	−12.08	−2.20	1.94	−1.27	27.7
G10	3	7.51	−14.57	−2.35	1.80	−1.49	26.9
G11	3	5.30	−10.88	−2.4	2.05	−1.25	24.8
G12	3	5.28	−11.58	−2.32	1.93	−1.46	28.5
Z1	3	3.47	2.29	−7.52	0.88	−1.38	8.2
Z2	3	2.98	−1.76	−8.90	−1.59	−1.28	8.1
Z3	3	0.23	−1.93	−9.71	2.48	−1.35	8.4
Z4	3	−2.58	−2.33	−7.77	2.03	−1.42	5.9
Z5	3	1.75	−1.30	−6.93	3.38	−1.29	8.4
Z6	3	3.48	−1.28	−6.87	−1.76	−1.28	8.2
Z7	3	2.26	−1.84	−8.73	−0.51	−1.40	8.6
Z8	3	1.05	−1.64	−4.59	−0.69	−1.32	8.3
Z9	3	3.82	−0.75	−4.61	0.03	−1.41	8.0
Z10	3	0.55	2.65	−6.45	−1.92	−1.52	8.1
V1	3	−2.74	−7.20	−8.48	−1.12	−1.19	9.2
V2	3	4.79	3.76	−7.33	−0.87	−1.44	7.5
V3	3	−0.53	3.56	−6.28	−1.04	−1.34	8.7
V4	3	1.95	−5.25	−4.97	−0.87	−1.45	8.3
V5	3	−0.56	−3.57	−8.24	2.71	−1.28	9.9

Notes. ^(a) Groups in the Gaia, Z24, and VIVACE samples have G, Z, and V as the first character in their ID, respectively, and are numbered according to their stability (e.g., the most stable group in the Gaia sample is G1).

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