Other names: SDSS J121756.19+021046.4
| Parameter | Unit | Tremblay et al. 2011 | SDSS DR12 | Simbad | |
|---|---|---|---|---|---|
| Right ascension | 12 17 56.19 | 12 17 56.19 | |||
| Declination | 02 10 46.48 | 02 10 46.48 | |||
| Spectral type | DA | ||||
| Effective temperature | [K] | 68990 | |||
| log(g) | [cgs] | 7.52 | |||
| Mass | [M☉] | 0.56 | |||
| log(Luminosity) | [L☉] | ||||
| Age | [Gyr] | 0.00 | |||
| 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] | ||||
| Composition | H | ||||
| Proper motion (right ascension) | [mas/yr] | -25.0 | |||
| Proper motion (declination) | [mas/yr] | -11.0 | |||
| Variability | |||||
| Magnetic | |||||
| Has a disc | |||||
| B magnitude | 16.40 | ||||
| V magnitude | 16.40 | ||||
| R magnitude | 17.00 | ||||
| I magnitude | |||||
| J magnitude | 17.57 | ||||
| H magnitude | 17.67 | ||||
| K magnitude | 17.90 | ||||
| u magnitude | 16.08 | 16.09 | |||
| g magnitude | 16.51 | 16.49 | |||
| r magnitude | 17.05 | 17.06 | |||
| i magnitude | 17.41 | 17.43 | |||
| z magnitude | 17.74 | 17.76 | |||