TNOs are cool: A survey of the trans-Neptunian region - V. Physical characterization of 18 Plutinos using Herschel-PACS observations

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Table 7

Average albedos of Centaurs, different TNO sub-populations and JFCs.


Population	Average Albedo	N	Reference


Centaurs	0.06	21	1
Plutinos	0.08 ± 0.03	17	2
Cold Classicals^a	0.16 ± 0.05	6	3
Hot Classicals^a	0.09 ± 0.05	12	3
Scattered Disk Objects^b	0.07/0.05	8	4
Detached Objects^b	0.17/0.12^c	6^c	4


TNOs and Centaurs	0.07−0.08	47	1
JFCs	<0.075^R	32	5

Notes. N denotes the number of datapoints.

^(a)

Unweighted mean;

^(b)

unweighted/weighted mean, based on relative uncertainties;

^(c)

excluding Eris;

^(R)

means the geometric albedo in R band, which is comparable to p_V for small values.

References. (1): Stansberry et al. (2008); (2): this work; (3): Vilenius et al. (2012); (4): Santos-Sanz et al. (2012); (5): Fernández et al. (2005).

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