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Table 5

Spectral indices and corresponding types and classification from comparison with templates for three new late-T dwarfs.

Index ULAS J0954+0623 ULAS J1152+0359 ULAS J1204−0150

H2O-H 0.319  ±  0.012 (T6/T5) 0.299  ±  0.021 (T6) 0.315  ±  0.015 (T6/T5)
CH4-H 0.347  ±  0.012 (T6/T5) 0.304  ±  0.016 (T6) 0.369  ±  0.012 (T5/T6)
CH4-K 0.233  ±  0.022 (T5/T4) 0.199  ±  0.030 (T5) 0.225  ±  0.024 (T5)
SpT(J) T5.5 T6.5 T5.5
SpT(HK) T5.5 T6 T5.5
SpTadopted T5.5 T6 T5.5

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