Near-ultraviolet absorption distribution of primitive asteroids from spectrophotometric surveys - I. Radial distribution

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Table 3

Thresholds for taxonomic classification used in this study to classify asteroids in a similar fashion to the Tholen taxonomy.

Class	S_VIS (μm⁻¹)		S_NUV – S_VIS (μm⁻¹)
	min	max	min	max
C	L1	0.25	0.5	1.1
F	–	L1	–	0.5
G	L1	0.25	1.1	–
B	–	L1	0.5	1.1
P	L1	0.6	–	0.5
D	0.6	–	–	–

Notes. L1 is the line dividing bluer (F and B) and redder objects in VIS. L1 is defined as the line along the largest dispersion in the dataset.

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