Other names: SDSS J082212.57+275307.4, SDSS J082212.58+275307.4
| Parameter | Unit | Tremblay et al. 2011 | SDSS DR12 | Simbad | Kleinman et al. 2013 |
|---|---|---|---|---|---|
| Right ascension | 08 22 12.58 | 08 22 12.58 | 08 22 12.58 | ||
| Declination | 27 53 07.43 | 27 53 07.43 | 27 53 07.42 | ||
| Spectral type | DA | DA | DAH: | ||
| Effective temperature | [K] | 8860 | 8579 | ||
| log(g) | [cgs] | 6.92 | 6.24 | ||
| Mass | [M☉] | 0.23 | |||
| log(Luminosity) | [L☉] | ||||
| Age | [Gyr] | 0.50 | |||
| 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] | 5.0 | |||
| Proper motion (declination) | [mas/yr] | -19.0 | |||
| Variability | |||||
| Magnetic | yes | ||||
| Has a disc | |||||
| B magnitude | |||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | |||||
| H magnitude | |||||
| K magnitude | |||||
| u magnitude | 19.04 | 19.06 | 19.05 | ||
| g magnitude | 18.31 | 18.31 | 18.31 | ||
| r magnitude | 18.32 | 18.32 | 18.32 | ||
| i magnitude | 18.41 | 18.44 | 18.41 | ||
| z magnitude | 18.54 | 18.58 | 18.55 | ||