Table 1
Physical properties inferred from MUSE IFU spectroscopy for the GRB 980425 host galaxy ESO184-G82.
| ESO184-G82 | SN region | WR region | |
|
|
|||
| EW(Hα) (Å) | 56.0 ± 1.4 | 92 ± 15 | > 900 |
| EW([O iii](λ5007)) (Å) | 34.5 ± 0.9 | 54 ± 5 | > 850 |
| EB − V (mag) | 0.06 ± 0.02 |
|
0.22 ± 0.02 |
| ne (cm-3)a | 80 ± 10 | 90 ± 10 | 150 ± 10 |
| Te([S iii]) (104 K)b | ··· | 1.24 ± 0.18 | 0.94 ± 0.02 |
| Te([O iii]) (104 K)bc | ··· | 1.29 ± 0.18 | 1.05 ± 0.02 |
| 12 + log (O / H) (D16)b | 8.13 ± 0.01 | 8.04 ± 0.06 | 8.22 ± 0.03 |
| 12 + log (O / H) (PP04, O3N2)b | 8.31 ± 0.01 | 8.31 ± 0.01 | 8.11 ± 0.01 |
| 12 + log (O / H) (PP04, N2)b | 8.33 ± 0.01 | 8.32 ± 0.01 | 8.18 ± 0.01 |
| 12 + log (O / H) (Te)c | ··· | 8.09 ± 0.15 | 8.36 ± 0.07 |
| SFR (M⊙ yr-1) | 0.22 ± 0.02 | ··· | ··· |
Notes.
The quoted error is statistical only. There is an additional systematic error in each of these measurements for various reasons. For the respective parameters, the errors are approximately Te = 0.1 × 104 K, 12 + log (O / H) (PP04, O3N2) = 0.14 dex, 12 + log (O / H) (PP04, N2) = 0.18 dex. The systematic error on 12 + log (O / H) (D16) is presently not well quantified, but we expect that it is in the range of ~0.1 dex.
Partially derived from the archival VLT long-slit spectra (Appendix A).
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