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Table B.1

Revised spectral types (based on optical standards) and atmospheric parameters for the sample of NIR spectra of Upper Scorpius dwarfs used in Sect. 3.

Object Spectral type New spectral type T eff log g
(K)

UScoJ155419-213543 M8 M8 4.0 ± 0.5
UScoJ154722-213914 L0 M8.25 2700 ± 100 4.0 ± 0.5
UScoJ160648-223040 M8 M8.25 2700 ± 100 4.0 ± 0.5
UScoJ160847-223547 M9 M8.5 2700 ± 100 3.5 ± 0.5
UScoJ160830-233511 M9 M8.5 2600 ± 100 3.5 ± 0.5
UScoJ161047-223949 M9 M8.5 2600 ± 100 4.0 ± 0.5
UScoJ160723-221102 L1 M8.5 4.0 ± 0.5
UScoJ160603-221930 L2 M8.75 2300 ± 100 4.0 ± 0.5
UScoJ160606-233513 L0 M9 2400 ± 100 3.5 ± 0.5
UScoJ160714-232101 L0 M9 2300 ± 100 3.5 ± 0.5
UScoJ160818-223225 L0 M9 2300 ± 100 4.0 ± 0.5
UScoJ160828-231510 L1 M9 2300 ± 100 3.5 ± 0.5
UScoJ160737-224247 L0 M9.5 2300 ± 100 3.5 ± 0.5
UScoJ160727-223904 L1 M9.5 2300 ± 100 4.0 ± 0.5
UScoJ160737-224247 L0 M9.5 2300 ± 100 4.0 ± 0.5
UScoJ161302-212428 L0 M9.5 2400 ± 100 4.0 ± 0.5
UScoJ161228-215936 L1 L0 1800 ± 100 3.5 ± 0.5
UScoJ161441-235105 L1 L0 1800 ± 100 3.5 ± 0.5
UScoJ163919-253409 L1 L0 1700 ± 100 3.5 ± 0.5
UScoJ160918-222923 L1 L0 1700 ± 100 3.5 ± 0.5

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