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Table 2

Median value of different stellar populations.

Age Metallicity
young intermediate old poor

Isolated LSB 3.3% 55.5% 38.3% 74.9%
LSB in low density 3.2% 55.9% 37.5% 73.9%
LSB in high density 2.2% 53.6% 42.2% 68.2%

Irregular LSB 12.9% 60.1% 11.0% 88.6%
Regular LSB 2.7% 55.1% 40.5% 71.0%

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