Table 8.
Mean values of the inner slope and the observed root mean square (rms) scatter for the robust sample of galaxies from this work and the literature studies.
| Sample | # gal. | 0.1 − 1 Re |
0.1 − 4 Re |
||||
|---|---|---|---|---|---|---|---|
 |
σα | ⟨γtot⟩1 | σγtot, 1 | ⟨γtot⟩2 | σγtot, 2 | ||
| Good | 8 | −1.76 ± 0.01 | 0.83±0.01 | −2.03 ± 0.18 | 0.53 ± 0.19 | −2.12 ± 0.16 | 0.48 ± 0.17 |
| Good + w. rot | 12 | −1.88 ± 0.01 | 0.94 ± 0.01 | −2.14 ± 0.16 | 0.64 ± 0.16 | −2.22 ± 0.14 | 0.58 ± 0.15 |
| Auger et al. (2010) | 73 | – | – | −2.078 ± 0.027(1) | 0.16 ± 0.02(1) | – | – |
| Cappellari et al. (2015) | 14 | – | – | −2.15 ± 0.03 | 0.1 | 2.27 ± 0.06(2) | 0.16( † ) |
| Serra et al. (2016) | 16 | – | – | −2.18 ± 0.03(1) | 0.11(1,†) | – | – |
| Poci et al. (2017) | 142 | – | – | −2.193 ± 0.016(3) | 0.15( † ) | – | – |
| Yıldırım et al. (2017) | 16 | – | – | – | – | −2.25 | – |
| Bellstedt et al. (2018) | 21 | – | – | −2.12 ± 0.05 | – | – | – |
Notes. The first two rows contain results from this work and are followed by six literature investigations using varied potential tracers and techniques for z = 0 galaxies. For the results from this work, the subsamples used to compute the mean values are listed in the first column, with the number of galaxies in that subsample in the second column; Cols. 3 and 4 show the statistics of the intrinsic inner slope with 1σ uncertainties; Cols. 5 and 6 the mean and rms scatter for the logarithmic slope within 0.1 − 1 Re, and the last two columns show the same for the fit in 0.1 − 4 Re, as explained in Sect. 5.4. The last six rows contain the values from the literature studies computed in different radial ranges. (1)Single power-law profile used in the fit. (2)In radial range r < 4 Re. (3)For model I. ( † )Estimated intrinsic scatter σγ.
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