OSSOS - XI. No active centaurs in the Outer Solar System Origins Survey

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Table 2

Apparent and absolute magnitudes of OSSOS centaurs, and estimated sizes for various albedos.

#^a	R_au	Δ_au	α			f_lim	m_r	σ_r	m_r(1, 1, 0)		σ₀₄		σ₁₀		σ₁₆
	(au)	(au)	(deg)	(mag)	(km)	(%)	(mag)		(mag)	(km)		(km)		(km)
1	13.772	12.793	1.06	23.85	4.79	63	23.35	0.07	11.20	12.06	3.01	7.62	1.91	6.03	1.51
2	17.045	16.131	1.34	24.42	5.81	66	23.98	0.14	10.89	14.24	4.95	9.01	3.13	7.12	2.48
3	25.331	24.406	0.83	24.42	12.80	68	24.01	0.13	9.12	30.92	10.39	19.56	6.57	15.46	5.19
4	17.751	16.758	0.23	24.55	5.66	17	22.66	0.04	9.31	27.02	5.14	17.09	3.25	13.51	2.57
5	19.520	18.526	0.17	24.55	6.86	84	24.36	0.16	10.58	14.98	5.54	9.47	3.51	7.49	2.77
6	12.031	11.029	0.05	24.49	2.58	59	23.92	0.12	12.31	6.70	2.17	4.24	1.37	3.35	1.08
7^g	12.115	11.117	0.41	24.49	2.65	68	24.08	0.14	12.47	6.41	2.23	4.05	1.41	3.20	1.11
8	13.565	12.564	0.22	24.49	3.33	80	21.39	0.01	9.25	27.78	2.66	17.57	1.68	13.89	1.33
9	13.564	12.563	0.22	24.49	3.33	69	24.09	0.12	11.95	8.01	2.59	5.07	1.64	4.00	1.30
10	23.497	22.496	0.12	24.66	9.51	40	23.66	0.08	9.05	30.16	8.04	19.07	5.08	15.08	4.02
11	7.434	6.432	1.21	24.42	1.01	43	23.50	0.05	14.20	3.07	0.65	1.94	0.41	1.54	0.33
12	9.179	8.188	1.35	24.45	1.57	88	24.32	0.11	14.05	3.33	1.03	2.11	0.65	1.67	0.52
13	6.232	5.299	3.77	24.85	0.63	27	23.43	0.04	15.10	2.44	0.46	1.54	0.29	1.22	0.23
14^g	11.747	10.801	1.76	24.85	2.24	83	24.65	0.10	13.27	4.91	1.46	3.11	0.92	2.46	0.73
15	13.434	12.494	1.60	25.23	2.47	58	24.64	0.09	12.64	6.48	1.83	4.10	1.16	3.24	0.91
16	19.874	18.948	1.16	25.15	5.65	17	23.25	0.04	9.46	27.09	5.15	17.13	3.26	13.55	2.58
17	10.612	9.683	2.20	24.68	2.00	92	24.60	0.17	13.71	4.14	1.58	2.62	1.00	2.07	0.79
18	18.511	17.575	1.18	24.97	5.30	21	23.27	0.04	9.80	23.21	4.41	14.68	2.79	11.61	2.21
19	15.853	14.866	0.35	24.67	4.26	35	23.54	0.06	10.71	14.35	3.33	9.07	2.10	7.17	1.66
20	13.282	12.296	0.43	24.82	2.77	43	23.94	0.07	11.91	8.30	2.07	5.25	1.31	4.15	1.04

Notes. ^(a) See corresponding name in Table 1. ^(b)Detection limit set in magnitude, from Bannister et al. (2018) and accounting for the object’s motion rate. ^(c) Radius corresponding to the detection limit assuming a 16% albedo, meaning the radius of the smallest object is detectable. ^(d) Radius of the object assuming a 4% albedo. ^(e)Radius of the object assuming a 10% albedo. ^(f)Radius of the object assuming a 16% albedo. ^(g)We stress again that these objects were not tracked and have intrinsic uncertainties much larger than given in the table, though they cannot be quantified.

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