Other names: WD 1200+548, SDSS J120253.96+543709.4, SDSS J120253.97+543709.5
| Parameter | Unit | Gianninas et al. 2011 | Tremblay et al. 2011 | SDSS DR12 | Simbad | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|
| Right ascension | 12 02 53.97 | 12 02 53.97 | 12 02 53.97 | |||
| Declination | 54 37 09.58 | 54 37 09.58 | 54 37 09.48 | |||
| Spectral type | DA | DA | DA1.7 | DA | ||
| Effective temperature | [K] | 29030 | 29340 | 29302 | ||
| log(g) | [cgs] | 7.97 | 7.86 | 7.88 | ||
| Mass | [M☉] | 0.63 | 0.57 | 0.58 | ||
| log(Luminosity) | [L☉] | |||||
| Age | [Gyr] | 0.01 | ||||
| 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] | 183.00 | ||||
| Composition | H | H | ||||
| Proper motion (right ascension) | [mas/yr] | -79.0 | ||||
| Proper motion (declination) | [mas/yr] | -11.0 | ||||
| Variability | ||||||
| Magnetic | ||||||
| Has a disc | ||||||
| B magnitude | ||||||
| V magnitude | 16.31 | |||||
| R magnitude | ||||||
| I magnitude | ||||||
| J magnitude | ||||||
| H magnitude | ||||||
| K magnitude | ||||||
| u magnitude | 15.97 | 15.97 | 15.97 | |||
| g magnitude | 16.16 | 16.17 | 16.17 | |||
| r magnitude | 16.61 | 16.65 | 16.65 | |||
| i magnitude | 16.97 | 16.97 | 16.97 | |||
| z magnitude | 17.27 | 17.29 | 17.29 | |||