Other names: WD 2253+803, HS2253+8023
| Parameter | Unit | Klein et al. 2011 | Klein et al. 2011 | Klein et al. 2011 | |
|---|---|---|---|---|---|
| Right ascension | |||||
| Declination | |||||
| Spectral type | DBAZ | DBAZ | DBAZ | ||
| Effective temperature | [K] | 14000 | 14400 | 14800 | |
| log(g) | [cgs] | 8.10 | 8.40 | 8.70 | |
| Mass | [M☉] | 0.65 | 0.84 | 1.03 | |
| log(Luminosity) | [L☉] | ||||
| Age | [Gyr] | ||||
| log(H/He) | -5.7 | -5.62 | -5.55 | ||
| log(C/He) | |||||
| log(Ca/He) | -7.1 | -6.99 | -6.92 | ||
| log(N/He) | |||||
| log(O/He) | -5.48 | -5.37 | -5.28 | ||
| log(Na/He) | <-6.8 | ||||
| log(Mg/He) | -6.23 | -6.1 | -6.02 | ||
| log(Al/He) | <-6.7 | ||||
| log(Si/He) | -6.4 | -6.27 | -6.16 | ||
| log(P/He) | |||||
| log(S/He) | |||||
| log(Cl/He) | |||||
| log(Sc/He) | <-9.8 | ||||
| log(Ti/He) | -8.92 | -8.74 | -8.55 | ||
| log(V/He) | <-8.6 | ||||
| log(Cr/He) | -8.17 | -8.01 | -7.83 | ||
| log(Mn/He) | -8.63 | -8.42 | -8.24 | ||
| log(Fe/He) | -6.34 | -6.17 | -6.0 | ||
| log(Co/He) | |||||
| log(Ni/He) | -7.51 | -7.31 | -7.14 | ||
| log(Cu/He) | |||||
| log(Zn/He) | |||||
| log(Ga/He) | |||||
| log(Ge/He) | |||||
| log(Sr/He) | <-9.6 | ||||
| Parallax | [mas] | ||||
| Distance | [pc] | ||||
| Composition | He | He | He | ||
| Proper motion (right ascension) | [mas/yr] | ||||
| Proper motion (declination) | [mas/yr] | ||||
| Variability | |||||
| Magnetic | |||||
| Has a disc | |||||
| Binarity | |||||
| B magnitude | |||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | |||||
| H magnitude | |||||
| K magnitude | |||||
| u magnitude | |||||
| g magnitude | |||||
| r magnitude | |||||
| i magnitude | |||||
| z magnitude | |||||