Composition of inner main-belt planetesimals | Astronomy & Astrophysics (A&A)

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Table 3

Full list of the IMBP used in this work.

Objects	D (km)	p_V	a (au)	Tax.	S_all (%/10³Å)	^Svis (%/10³Å)	^SNIR1 (%/10³Å)	^SNIR2 (%/10³Å)	Ref
(4) Vesta	519.3	0.347 ± 0.010	2.362	V	0.76 ± 0.10	5.90 ± 0.09	2.15 ± 0.20	3.34 ± 0.33	3
(6) Hebe	193.7	0.258 ± 0.007	2.425	S	1.55 ± 0.07	10.67 ± 0.16	2.80 ± 0.11	0.47 ± 0.08	3
(7) Iris	228.3	0.234 ± 0.014	2.386	S	1.60 ± 0.06	11.32 ± 0.11	3.82 ± 0.07	0.59 ± 0.07	3
(8) Flora	140.7	0.256 ± 0.007	2.202	S	3.39 ± 0.17	15.23 ± 0.38	7.19 ± 0.16	1.32 ± 0.22	10,20
(9) Metis	155.7	0.160 ± 0.008	2.386	S	1.81 ± 0.03	6.34 ± 0.04	3.71 ± 0.05	0.86 ± 0.04	3,9
(11) Parthenope	145.1	0.196 ± 0.005	2.452	Sq	2.11 ± 0.04	8.33 ± 0.12	4.29 ± 0.06	1.53 ± 0.05	3
(12) Victoria	119.6	0.159 ± 0.006	2.334	Sq	5.34 ± 0.06	10.17 ± 0.07	9.31 ± 0.30	1.72 ± 0.28	1
(17) Thetis	78.3	0.175 ± 0.006	2.471	S	2.75 ± 0.09	13.04 ± 0.14	3.93 ± 0.12	1.01 ± 0.11	3
(18) Melpomene	139.6	0.233 ± 0.007	2.296	S	3.29 ± 0.11	11.23 ± 0.53	4.65 ± 0.25	1.26 ± 0.34	2,5
(19) Fortuna	196.7	0.053 ± 0.005	2.442	Ch	1.79 ± 0.02	−1.18 ± 0.06	2.75 ± 0.04	1.11 ± 0.05	16,3
(20) Massalia	132.9	0.214 ± 0.010	2.409	S	2.21 ± 0.06	9.60 ± 0.09	3.69 ± 0.10	1.53 ± 0.11	3
(21) Lutetia	102.1	0.223 ± 0.010	2.435	Xc	0.95±0.04	5.63 ± 0.09	0.52 ± 0.03	−0.37 ± 0.02	1,3
(27) Euterpe	110.3	0.223 ± 0.023	2.347	S	2.38 ± 0.08	13.03 ± 0.14	5.97 ± 0.11	0.69 ± 0.09	3
(40) Harmonia	111.8	0.210 ± 0.011	2.267	S	1.32 ± 0.06	11.44±0.10	2.34 ± 0.07	0.30 ± 0.11	3
(42) Isis	106.4	0.160 ± 0.006	2.441	Sq	5.47±0.06	8.86±0.05	10.75 ± 0.55	−0.72 ± 0.45	1
(44) Nysa	75.4	0.505 ± 0.019	2.423	Xk	1.62 ± 0.02	3.18 ± 0.03	1.18 ± 0.05	0.72 ± 0.05	17
(51) Nemausa	142.2	0.087 ± 0.002	2.366	Cgh	2.12 ± 0.03	1.00±0.09	3.23 ± 0.09	−0.06 ± 0.07	16,20
(63) Ausonia	97.2	0.158 ± 0.006	2.395	S	2.65 ± 0.09	16.74±0.17	5.12 ± 0.12	1.35 ± 0.11	3
(67) Asia	58.1	0.239 ± 0.009	2.421	S	1.51 ± 0.06	11.68±0.14	3.43 ± 0.08	1.15 ± 0.10	3
(72) Feronia	79.6	0.072 ± 0.003	2.266	D	10.53 ± 0.06	14.30±0.04	9.93 ± 0.27	1.51 ± 0.65	1
(79) Eurynome	67.2	0.269 ± 0.008	2.444	S	1.78 ± 0.05	9.69 ±0.10	3.31 ± 0.13	1.11 ± 0.08	3
(80) Sappho	73.6	0.180 ± 0.004	2.296	S	4.37 ± 0.15	17.58±0.12	6.22 ± 0.25	1.29 ± 0.25	1,5
(83) Beatrix	96.0	0.078 ± 0.003	2.432	Xk	3.25 ± 0.02	3.99±0.08	3.91 ± 0.06	1.54 ± 0.05	1,5
(84) Kilo	77.5	0.054 ± 0.002	2.362	Xc	1.04 ± 0.01	2.84±0.03	0.90 ± 0.05	0.03 ± 0.0.02	14,9
(112) Iphigenia	71.9	0.039 ± 0.002	2.434	Cgh	1.74 ± 0.03	1.88±0.04	0.74 ± 0.08	0.17 ± 0.08	4,12
(118) Peitho	41.9	0.210 ± 0.009	2.438	S	1.93 ± 0.08	12.01 ± 0.10	3.17 ± 0.16	0.67 ± 0.10	3
(126) Velleda	44.5	0.160 ± 0.006	2.439	S	4.10 ± 0.07	11.37 ± 0.05	6.88 ± 0.53	−0.19 ± 0.61	1
(131) Vala	33.1	0.142 ± 0.001	2.432	K	1.53 ± 0.02	5.35 ± 0.05	2.91 ± 0.07	1.18 ± 0.05	1,20
(135) Hertha	74.0	0.155 ± 0.005	2.429	Xk	2.07 ± 0.03	5.75 ± 0.08	1.87 ± 0.04	1.27 ± 0.03	11
(136) Austria	34.5	0.157 ± 0.000	2.287	Xc	1.50 ± 0.04	5.91 ± 0.07	0.54 ± 0.06	0.38 ± 0.04	5,6
(138) Tolosa	51.9	0.208 ± 0.012	2.448	S	2.60 ± 0.04	9.21 ± 0.11	5.87 ± 0.08	1.40 ± 0.09	9,10
(142) Polana	54.5	0.041 ± 0.002	2.419	B	0.41 ± 0.04	−2.00 ± 0.03	1.30 ± 0.04	1.08 ± 0.04	3
(161) Athor	41.4	0.191 ± 0.009	2.379	Xc	1.16 ± 0.02	3.75 ± 0.08	1.39 ± 0.05	0.13 ± 0.05	12
(163) Erigone	73.0	0.043 ± 0.002	2.366	Cgh	1.60 ± 0.04	1.60 ± 0.04	–	–	5
(172) Baucis	63.9	0.142 ± 0.004	2.380	L	2.36 ± 0.07	11.97 ± 0.16	3.99 ± 0.05	−1.54 ± 0.09	1,18
(178) Belisana	35.3	0.253 ± 0.010	2.460	S	4.10 ± 0.10	12.14 ± 0.11	8.30 ± 0.43	0.09 ± 0.33	5,1
(182) Elsa	42.2	0.208 ± 0.009	2.418	S	1.34 ± 0.07	11.74 ± 0.15	2.24 ± 0.19	1.05 ± 0.12	5,9
(186) Celuta	47.7	0.204 ± 0.009	2.362	K	2.08 ± 0.03	10.23 ± 0.11	4.16 ± 0.07	0.16 ± 0.05	1,5
(189) Phthia	39.6	0.221 ± 0.012	2.450	S	3.42 ± 0.10	15.51 ± 0.11	7.91 ± 0.49	−0.14 ± 0.23	5,1
(192) Nausikaa	94.7	0.248 ± 0.007	2.403	S	3.38 ± 0.09	15.17 ± 0.13	6.72 ± 0.13	1.35 ± 0.10	4
(198) Ampella	55.7	0.227 ± 0.013	2.459	S	1.01 ± 0.04	7.27 ± 0.05	1.32 ± 0.20	−0.62 ± 0.13	1,13
(207) Hedda	55.6	0.043 ± 0.001	2.284	Cgh	1.03 ± 0.02	0.34 ± 0.05	0.21 ± 0.15	−0.28 ± 0.21	4,1
(230) Athamantis	107.4	0.183 ± 0.005	2.382	S	13.91 ± 0.11	13.91 ± 0.11	–	–	5
(234) Barbara	47.1	0.208 ± 0.007	2.386	L	3.96 ± 0.08	14.03 ± 0.06	4.42 ± 0.08	−0.24 ± 0.12	1,3
(248) Lameia	48.9	0.068 ± 0.002	2.471	X-comp.	4.24 ± 0.05	4.24 ± 0.05	–	–	1
(261) Prymno	48.4	0.114 ± 0.004	2.332	Xk	1.99 ± 0.02	3.32 ± 0.07	2.03 ± 0.03	1.43 ± 0.04	3
(298) Baptistina	20.7	0.135 ± 0.013	2.264	S	1.27 ± 0.02	4.30 ± 0.06	3.58 ± 0.24	−0.01 ± 0.17	4,21
(302) Clarissa	34.9	0.050 ± 0.003	2.406	C	0.77 ± 0.01	1.85 ± 0.03	1.51 ± 0.08	1.12 ± 0.06	15,3
(313) Chaldaea	95.9	0.051 ± 0.001	2.375	Cgh	2.14 ± 0.02	0.17 ± 0.03	3.51 ± 0.09	−0.07 ± 0.27	14
(326) Tamara	88.9	0.038 ± 0.001	2.318	Ch	0.49 ± 0.03	−0.17 ± 0.04	0.20 ± 0.28	−1.79 ± 0.34	8,1
(329) Svea	76.0	0.040 ± 0.001	2.476	C	1.37 ± 0.01	1.61 ± 0.03	1.45 ± 0.09	1.40 ± 0.13	13,7
(336) Lacadiera	69.8	0.043 ± 0.002	2.252	T/D	3.64 ± 0.05	5.37 ± 0.09	3.60 ± 0.41	0.61 ± 0.47	1
(337) Devosa	65.1	0.127 ± 0.006	2.383	Xk	1.52 ± 0.02	2.85 ± 0.08	1.68 ± 0.05	1.26 ± 0.04	5,12
(345) Tercidina	99.0	0.057 ± 0.003	2.325	Ch	1.19 ± 0.02	−0.79 ± 0.08	2.00 ± 0.04	0.96 ± 0.04	3
(376) Geometria	35.5	0.210 ± 0.020	2.289	S	3.28 ± 0.10	14.52 ± 0.14	7.22 ± 0.40	0.79 ± 0.29	5,1
(435) Ella	36.9	0.080 ± 0.004	2.449	Xc	1.01 ± 0.01	3.03 ± 0.06	1.21 ± 0.12	1.09± 0.08	1
(474) Prudentia	39.4	0.052 ± 0.007	2.454	C	1.96 ± 0.07	1.96 ± 0.07	–	–	11
(495) Eulalia	35.6	0.058 ± 0.002	2.488	B	−0.68 ± 0.02	−1.10 ± 0.05	-1.06 ± 0.10	0.50 ± 0.03	10,13
(556) Phyllis	36.6	0.193 ± 0.008	2.465	S	0.63 ± 0.04	8.25 ± 0.08	0.78 ± 0.09	0.63 ± 0.09	5,13
(623) Chimaera	44.0	0.035 ± 0.001	2.460	Cgh	1.89 ± 0.02	2.66 ± 0.04	0.72 ± 0.32	2.27 ± 1.60	14,1
(654) Zelinda	133.9	0.045 ± 0.001	2.297	Ch	1.49 ± 0.02	0.47 ± 0.03	1.32 ± 0.24	−0.46 ± 0.31	7,1
(732) Tjilaki	33.7	0.067 ± 0.004	2.457	D	16.97 ± 0.05	14.74 ± 0.06	19.17 ± 0.68	12.21 ± 0.64	1
(752) Sulamitis	56.6	0.039 ± 0.002	2.463	Cgh	3.44 ± 0.03	2.12 ± 0.02	4.16 ± 0.18	1.22 ± 0.91	15,19
(914) Palisana	75.4	0.103 ± 0.002	2.456	Ch	1.96 ± 0.02	−0.30 ± 0.04	1.60 ± 0.32	0.07 ± 0.21	1

Notes. For each one, we report the physical parameters, the derived taxonomy, and the spectral slope values in several ranges: S all for the whole spectral range; S_vis for the visible range, between 0.5 and 0.75 μm; S_NIR1 in the 1.1–1.6 μm range, and S_nir2 in the 1.7–2.2 μm range. Ref indicates the references for where the spectra were acquired/retrieved. Albedo, diameter and semi-major axis values were taken from MP3C² database.

References. (1) This work, (2) Bell et al. (2005), (3) MITHNEOS IRTF survey, (4) Lazzaro et al. (2004), (5) Bus & Binzel (2002), (6) Hardersen et al. (2011), (7) Fornasier et al. (2014), (8) Vilas et al. (1993), (9) Reddy & Sanchez (2016), (10) Xu et al. (1995), (11) Fornasier et al. (2010), (12) Clark et al. (2004), (13) Fieber-Beyer et al. (2012), (14) Morate et al. (2019), (15) Morate et al. (2018), (16) Fornasier et al. (1999), (17) Fornasier et al. (2008), (18) Devogèle et al. (2018), (19) Arredondo et al. (2021), (20) DeMeo et al. (2009), (21) Reddy et al. (2014).

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