Gaia view of primitive inner-belt asteroid families - Searching for the origins of asteroids Bennu and Ryugu

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Volume 680 (December 2023)

A&A, 680 (2023) A10

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Table 1

Input dataset.

Family	N_members	N_DR3	N_filtered	p_V	σ_pv	s	σ_s	R_z − R_i		Ref.
Chaldaea	132	40	32	0.067	0.019	+1.30	2.53	0.066	0.035	Nesvorny et al. (2015)
Chimaera	108	18	11	0.054	0.014	+2.65	1.39	0.099	0.041	Nesvorny et al. (2015)
Clarissa	179	2	2	0.069	0.002	−1.00	–	0.036	–	Nesvorny et al. (2015)
Erigone	1776	142	82	0.056	0.017	+1.75	2.14	0.053	0.035	Nesvorny et al. (2015)
Eulalia	1624	248	205	0.057	0.012	+1.02	2.03	0.038	0.042	Walsh et al. (2013)
Klio	330	88	72	0.067	0.016	+2.23	2.17	0.061	0.039	Nesvorny et al. (2015)
Polana	2037	577	243	0.058	0.016	+1.01	2.31	0.035	0.045	Walsh et al. (2013)
Primordial	118	89	64	0.061	0.022	+1.93	2.29	0.043	0.048	Delbo et al. (2017)
Sulamitis	303	32	23	0.056	0.010	+3.14	1.99	0.071	0.038	Nesvorny et al. (2015)
Svea	48	4	2	0.060	0.019	+1.42	–	0.006	–	Nesvorny et al. (2015)
Tamara	226	56	56	0.060	0.014	+1.60	2.11	0.060	0.042	Novaković et al. (2017)

Notes. The symbols N_members, N_DR3, and N_filtered respectively represent the number of family members, the number of family members with Gaia DR3 reflectance spectra, and the number of family members used in our analysis after the application of the filters described in the main text. The symbols pv, σ_pv, s, σ_s, R_z − R_i, and respectively represent the average geometric visible albedo, the standard deviation of the geometric visible albedo, the reflectance spectral slope between 450 and 750 nm, the standard deviation of the slope, the difference between the reflectance at 893.2 and at 748.0 nm, and the standard deviation of the difference of reflectance for the distribution of the members of the different families filtered as explained in the text. The column Ref. reports the reference from which we obtained the initial family membership definition.

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