Table 2.
Fits of the stellar mass TFR using the rotation velocity for various MAGIC kinematic sample selections, various uncertainties on the velocity and with or without stellar mass correction.
| Sample | Mass correction | log(M* [M⊙]) | Slope | ΔV [km s−1] | α | β | σint | σtot | d.o.f./Ngal |
|---|---|---|---|---|---|---|---|---|---|
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9) | (10) |
| Final | Yes | >9.0 | Free | 20 | 4.03 ± 0.63 | 9.79 ± 0.09 | 0.43 | 0.55 | 53/55 |
| Final | Yes | >9.0 | Fixed | 20 | 3.61 | 9.82 ± 0.07 | 0.38 | 0.50 | 54/55 |
| Relaxed | Yes | Free | 20 | 3.66 ± 0.35 | 9.93 ± 0.07 | 0.53 | 0.77 | 110/112 | |
| Strict | Yes | Free | 20 | 3.75 ± 0.40 | 9.86 ± 0.07 | 0.42 | 0.60 | 75/77 | |
| Final | Yes | Free | 20 | 3.81 ± 0.43 | 9.82 ± 0.07 | 0.41 | 0.56 | 65/67 | |
| Final | Yes | >8.5 | Free | 20 | 3.67 ± 0.50 | 9.83 ± 0.07 | 0.40 | 0.54 | 59/61 |
| Final | Yes | >10.0 | Free | 20 | 3.49 ± 1.17 | 9.93 ± 0.19 | 0.39 | 0.47 | 26/28 |
| Relaxed | Yes | Fixed | 20 | 3.61 | 9.92 ± 0.07 | 0.52 | 0.76 | 111/112 | |
| Strict | Yes | Fixed | 20 | 3.61 | 9.86 ± 0.07 | 0.40 | 0.58 | 76/77 | |
| Final | Yes | Fixed | 20 | 3.61 | 9.83 ± 0.07 | 0.38 | 0.54 | 66/67 | |
| Final | Yes | >8.5 | Fixed | 20 | 3.61 | 9.83 ± 0.07 | 0.39 | 0.53 | 60/61 |
| Final | Yes | >10.0 | Fixed | 20 | 3.61 | 9.91 ± 0.09 | 0.40 | 0.49 | 27/28 |
| Final | Yes | >9.0 | Free | 3.69 ± 0.54 | 9.86 ± 0.08 | 0.47 | 0.53 | 53/55 | |
| Final | Yes | >9.0 | Free | 10 | 3.81 ± 0.57 | 9.84 ± 0.08 | 0.46 | 0.54 | 53/55 |
| Final | Yes | >9.0 | Fixed | 3.61 | 9.87 ± 0.07 | 0.46 | 0.52 | 54/55 | |
| Final | Yes | >9.0 | Fixed | 10 | 3.61 | 9.85 ± 0.07 | 0.44 | 0.52 | 54/55 |
| Final | No | >9.0 | Free | 20 | 3.56 ± 0.55 | 9.94 ± 0.08 | 0.38 | 0.49 | 53 / 55 |
| Final | No | >9.0 | Fixed | 20 | 3.61 | 9.94 ± 0.07 | 0.37 | 0.50 | 54 / 55 |
Notes. The relaxed (strict) selection corresponds to all galaxies fulfilling S/N > 30 (40) and Reff/FWHM > 0.25 (0.5), whereas problematic AGN and bulge-dominated galaxies are further removed from the strict selection in the final sample (defined in Sect. 3.6). The two first rows correspond to the TFR fits used as reference. The fixed slope corresponds to the slope we derived for the KROSS rotation dominated sample. (1) Identification of the MAGIC group sample used. (2) Indication about mass correction with R22. (3) Threshold used on the stellar mass. (4) Constraint on the slope. (5) Systematic uncertainty on velocity added in quadrature. (6) Value of the TFR slope. (7) Value of the TFR zero-point. (8) Intrinsic dispersion around the TFR obtained by enforcing the χ2 to be equal to unity. (9) Total dispersion around the TFR. (10) Number of degrees of freedom/number of galaxies.
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.