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

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Table 2

NUV absorption strength for each size range and region in the main asteroid belt.

S_NUV – S_VIS (μm⁻¹)
Region	d > 100 km		50 < d < 100 km		10 < d < 50 km		5 < d < 10 km		d < 5 km
	Med.	IQR	Med.	IQR	Med.	IQR	Med.	IQR	Med.	IQR
IMB	1.35	–	0.57	1.10	0.56	1.18	0.33	1.08	0.11	1.17
MMB	0.80	0.45	0.72	0.80	0.68	1.07	0.66	1.34	0.38	1.34
OMB	0.80	0.57	0.61	0.81	0.54	1.12	0.38	1.31	0.17	1.39
All in MB	0.80	0.54	0.63	0.93	0.57	1.12	0.44	1.32	0.21	1.28

Notes. IQR is the interquartile range of samples. We did not calculate IQR for d > 100 km in IMB due to the low number (5) of samples.

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