Other names: PG 2220+134, SDSS J222313.85+133856.8, SDSS J222313.85+133856.9
| Parameter | Unit | Gianninas et al. 2011 | Tremblay et al. 2011 | SDSS DR12 | Simbad | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|
| Right ascension | 22 23 13.85 | 22 23 13.84 | 22 23 13.85 | |||
| Declination | 13 38 56.90 | 13 38 57.19 | 13 38 56.86 | |||
| Spectral type | DA | DA | DA2.1 | DA | ||
| Effective temperature | [K] | 23780 | 24310 | 23573 | ||
| log(g) | [cgs] | 8.46 | 8.36 | 8.38 | ||
| Mass | [M☉] | 0.91 | 0.85 | 0.84 | ||
| log(Luminosity) | [L☉] | |||||
| Age | [Gyr] | 0.08 | ||||
| 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] | 76.00 | ||||
| Composition | H | H | ||||
| Proper motion (right ascension) | [mas/yr] | 54.0 | ||||
| Proper motion (declination) | [mas/yr] | -4.0 | ||||
| Variability | ||||||
| Magnetic | ||||||
| Has a disc | ||||||
| B magnitude | 15.90 | |||||
| V magnitude | ||||||
| R magnitude | 15.70 | |||||
| I magnitude | ||||||
| J magnitude | 16.26 | |||||
| H magnitude | 16.05 | |||||
| K magnitude | ||||||
| u magnitude | 15.32 | 15.35 | 15.35 | |||
| g magnitude | 15.40 | 15.41 | 15.41 | |||
| r magnitude | 15.80 | 15.79 | 15.79 | |||
| i magnitude | 16.12 | 16.11 | 16.11 | |||
| z magnitude | 16.42 | 16.41 | 16.41 | |||