Other names: WD 0135-052, L870-2, LTT 888
| Parameter | Unit | Giammichele et al. 2012 | Gianninas et al. 2011 | Bergeron et al. 2001 | Bergeron et al. 1997 | Simbad |
|---|---|---|---|---|---|---|
| Right ascension | 01 37 59.34 | |||||
| Declination | -04 59 44.30 | |||||
| Spectral type | DA | DA | DA | |||
| Effective temperature | [K] | 7118 | 7250 | 7140 | 7140 | |
| log(g) | [cgs] | 7.18 | 7.83 | 7.19 | 7.20 | |
| Mass | [M☉] | 0.24 | 0.49 | 0.25 | 0.25 | |
| log(Luminosity) | [L☉] | -3.00 | -3.00 | -3.00 | ||
| Age | [Gyr] | 0.66 | 0.66 | 0.61 | ||
| 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] | 81.00 | 81.00 | 81.00 | 81.00 | |
| Distance | [pc] | 12.30 | 8.00 | 12.35 | ||
| Composition | H | H | H | H | ||
| Proper motion (right ascension) | [mas/yr] | 584.0 | ||||
| Proper motion (declination) | [mas/yr] | -349.0 | ||||
| Variability | NOV | |||||
| Magnetic | no | no | ||||
| Has a disc | ||||||
| B magnitude | 13.19 | 13.19 | 13.19 | 13.20 | ||
| V magnitude | 12.86 | 12.86 | 12.86 | 12.83 | ||
| R magnitude | 12.63 | 12.63 | 12.63 | 12.80 | ||
| I magnitude | 12.38 | 12.38 | 12.38 | |||
| J magnitude | 12.12 | 12.12 | 12.12 | 12.11 | ||
| H magnitude | 11.94 | 11.94 | 11.94 | 11.95 | ||
| K magnitude | 11.92 | 11.92 | 11.92 | 11.97 | ||
| u magnitude | ||||||
| g magnitude | ||||||
| r magnitude | ||||||
| i magnitude | ||||||
| z magnitude | ||||||