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Table 4.

Comparison of photometric measurements.

Names Propertya This work G18/L23
J021642.0-044221/ g − i 0.42 ± 0.04 0.43 ± 0.24
G267 mi 18.85 ± 0.03 18.89 ± 0.24
reff (″)b 6.44 ± 0.42 6.27 ± 0.79
μ ¯ eff , g Mathematical equation: $ \overline{\mu}_{\mathrm{eff,g}} $c 25.18 ± 0.25 25.30 ± 0.24

J021759.3-041634/ g − i 0.59 ± 0.09 0.66 ± 0.05
L25657 mi 17.07 ± 0.04 17.02 ± 0.07
reff (″)b 10.21 ± 0.76 8.52 ± 0.35
μ ¯ eff , g Mathematical equation: $ \overline{\mu}_{\mathrm{eff,g}} $c 24.66 ± 0.18 24.33 ± 0.05

J022138.1-052631/ g − i 0.54 ± 0.01 0.43 ± 0.05
L86749 mi 16.73 ± 0.01 18.99 ± 0.08
reff (″)b 11.17 ± 0.48 5.37 ± 0.31
μ ¯ eff , g Mathematical equation: $ \overline{\mu}_{\mathrm{eff,g}} $c 24.24 ± 0.15 25.06 ± 0.06

Notes.

(a)

Not corrected for extinction.

(b)

Measured in the i band.

(c)

μ ¯ eff , g = m g + 2.5 log 10 ( 2 π r eff 2 ) Mathematical equation: $ \overline{\mu}_{\mathrm{eff,g}} = m_g + 2.5\log_{10}{(2\pi r_{\mathrm{eff}}^2)} $.

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