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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