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Table 1

Break radii in Rg – (O/H)X relations for oxygen abundances (O/H)X determined through different calibrations.

Break radius in Rg – (O/H)X relation

Galaxy (O/H)PG16 (O/H)M13,O3N2 (O/H)M13,N2

NGC 0477 0.71 0.35 0.69
NGC 0768 0.55 0.55 0.39
NGC 3811 0.46 0.47 0.34
NGC 4644 0.80 0.48 0.80
NGC 4961 0.67 0.57 0.61
NGC 5320 0.40 0.41 0.50
NGC 5630 0.53 0.53 0.54
NGC 5633 0.47 0.27 0.55
NGC 5980 0.77 0.49 0.80
NGC 6063 0.75 0.40 0.77
NGC 6186 0.40 0.58 0.37
NGC 6478 0.76 0.47 0.70
NGC 7364 0.42 0.20 0.24
NGC 7489 0.33 0.31 0.28
NGC 7631 0.67 0.55 0.45
IC 0480 0.76 0.32 0.76
IC 1151 0.76 0.28 0.79
IC 2098 0.78 0.50 0.50
UGC 00005 0.44 0.29 0.64
UGC 00841 0.34 0.32 0.60
UGC 01938 0.42 0.48 0.42
UGC 02319 0.79 0.80 0.79
UGC 04029 0.73 0.60 0.79
UGC 04132 0.79 0.38 0.53
UGC 09665 0.74 0.70 0.80
UGC 12857 0.80 0.80 0.80

Notes. The (O/H)PG16 abundances were determined using the S calibration of Pilyugin & Grebel (2016), whereas the (O/H)M13,O3N2 and (O/H)M13,N2 abundances were obtained through the O3N2 and N2 calibrations of Marino et al. (2013), respectively. The break radii are fractional radii, i.e. they are normalized to the optical radii.

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