Other names: Ton 20, SDSS J094104.43+282224.6
| Parameter | Unit | Gianninas et al. 2011 | SDSS DR12 | Simbad | Kleinman et al. 2013 |
|---|---|---|---|---|---|
| Right ascension | 09 41 04.43 | 09 41 04.47 | 09 41 04.43 | ||
| Declination | 28 22 24.58 | 28 22 23.99 | 28 22 24.61 | ||
| Spectral type | DA | DA3.3 | DA | ||
| Effective temperature | [K] | 15150 | 15451 | ||
| log(g) | [cgs] | 7.95 | 7.91 | ||
| Mass | [M☉] | 0.58 | 0.57 | ||
| log(Luminosity) | [L☉] | ||||
| Age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(C/H) | |||||
| log(N/H) | |||||
| log(O/H) | |||||
| log(Na/H) | |||||
| log(Mg/H) | |||||
| log(Al/H) | |||||
| log(Si/H) | |||||
| log(P/H) | |||||
| log(S/H) | |||||
| log(Ca/H) | |||||
| log(Sc/H) | |||||
| log(Ti/H) | |||||
| log(Cr/H) | |||||
| log(Mn/H) | |||||
| log(Fe/H) | |||||
| log(Ni/H) | |||||
| Parallax | [mas] | ||||
| Distance | [pc] | 74.00 | |||
| Composition | H | ||||
| Proper motion (right ascension) | [mas/yr] | -114.0 | |||
| Proper motion (declination) | [mas/yr] | 105.0 | |||
| Variability | |||||
| Magnetic | |||||
| Has a disc | |||||
| B magnitude | 15.62 | ||||
| V magnitude | 15.57 | ||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 15.82 | ||||
| H magnitude | 15.75 | ||||
| K magnitude | 15.92 | ||||
| u magnitude | 15.71 | 15.71 | 15.71 | ||
| g magnitude | 15.39 | 15.42 | 15.42 | ||
| r magnitude | 15.70 | 15.70 | 15.70 | ||
| i magnitude | 15.95 | 15.94 | 15.94 | ||
| z magnitude | 16.24 | 16.24 | 16.24 | ||