The middle infrared properties of OH megamaser host galaxies

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Table 3

WISE spectral indices of our samples.

Samples	α ₂₁	α ₃₂	α ₄₃	α ₄₁

All OHMs	0.57 ± 0.14	2.32 ± 0.05	2.29 ± 0.07	2.42 ± 0.06
Arecibo OHMs	0.47 ± 0.16	2.33 ± 0.07	2.16 ± 0.09	1.96 ± 0.07
Non-OHMs	0.36 ± 0.08	2.08 ± 0.07	1.90 ± 0.04	1.77 ± 0.03
KS-Prob.^a	0.356	0.014	1.64E-5	4.01E-19
KS-Prob.^b	0.265	0.06	0.005	0.007
t-Test Prob.^a	0.171	0.001	1.22E-6	5.61E-25
t-Test Prob.^a	0.574	0.011	0.008	0.004

Notes. 1, 2, 3 and 4 denote four WISE bands at 3.4, 4.6, 12 and 22 μm, respectively. K-S test and t-Test probabilities for comparisons between ; and

^(a)

the entire OHM and the non-OHM sample

^(b)

the Arecibo OHM and the non-OHM sample.

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