Other names: WD 0920+216, SDSS J092339.23+212860.0
| Parameter | Unit | Gianninas et al. 2011 | SDSS DR12 | Simbad | Kleinman et al. 2013 | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|
| Right ascension | 09 23 39.22 | 09 23 39.22 | 09 23 39.23 | 09 23 39.23 | ||
| Declination | 21 29 00.00 | 21 28 59.96 | 21 28 59.98 | 21 29 00.00 | ||
| Spectral type | DA | DA2.7 | DA | DA | ||
| Effective temperature | [K] | 18910 | 19340 | 18750 | ||
| log(g) | [cgs] | 7.94 | 7.86 | 7.80 | ||
| Mass | [M☉] | 0.59 | 0.52 | |||
| 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] | 139.00 | ||||
| Composition | H | |||||
| Proper motion (right ascension) | [mas/yr] | |||||
| Proper motion (declination) | [mas/yr] | |||||
| Variability | NOV | |||||
| Magnetic | ||||||
| Has a disc | ||||||
| B magnitude | ||||||
| V magnitude | 16.50 | |||||
| R magnitude | ||||||
| I magnitude | ||||||
| J magnitude | ||||||
| H magnitude | ||||||
| K magnitude | ||||||
| u magnitude | 16.38 | 16.39 | 16.39 | 16.39 | ||
| g magnitude | 16.24 | 16.28 | 16.28 | 16.28 | ||
| r magnitude | 16.60 | 16.60 | 16.60 | 16.60 | ||
| i magnitude | 16.86 | 16.91 | 16.91 | 16.91 | ||
| z magnitude | 17.16 | 17.20 | 17.20 | 17.20 | ||