Other names: WD 0912+536, 09159+5325, G195-19
Parameter | Unit | Limoges et al. 2015 | Giammichele et al. 2012 | Bergeron et al. 2001 | Bergeron et al. 1997 | Simbad |
---|---|---|---|---|---|---|
Right ascension | 09 15 56.23 | |||||
Declination | 53 25 24.89 | |||||
Spectral type | DCP | DCP | DC | |||
Effective temperature | [K] | 7370 | 7235 | 7160 | 7190 | |
log(g) | [cgs] | 8.42 | 8.28 | 8.28 | 8.30 | |
Mass | [M☉] | 0.85 | 0.75 | 0.75 | 0.76 | |
log(Luminosity) | [L☉] | -3.63 | -3.57 | -3.59 | -3.59 | |
Age | [Gyr] | 2.45 | 2.54 | 3.11 | ||
log(H/He) | ||||||
log(C/He) | ||||||
log(Ca/He) | ||||||
log(N/He) | ||||||
log(O/He) | ||||||
log(Na/He) | ||||||
log(Mg/He) | ||||||
log(Al/He) | ||||||
log(Si/He) | ||||||
log(P/He) | ||||||
log(S/He) | ||||||
log(Cl/He) | ||||||
log(Sc/He) | ||||||
log(Ti/He) | ||||||
log(V/He) | ||||||
log(Cr/He) | ||||||
log(Mn/He) | ||||||
log(Fe/He) | ||||||
log(Co/He) | ||||||
log(Ni/He) | ||||||
log(Cu/He) | ||||||
log(Zn/He) | ||||||
log(Ga/He) | ||||||
log(Ge/He) | ||||||
log(Sr/He) | ||||||
Parallax | [mas] | 97.00 | 97.30 | 97.30 | 97.00 | 97.35 |
Distance | [pc] | 10.30 | 10.30 | 10.28 | ||
Composition | He | He | He | He | ||
Proper motion (right ascension) | [mas/yr] | -1091.0 | ||||
Proper motion (declination) | [mas/yr] | -1127.0 | ||||
Variability | ||||||
Magnetic | yes | yes | ||||
Has a disc | ||||||
B magnitude | 14.19 | 14.19 | 14.19 | 14.09 | ||
V magnitude | 13.84 | 13.84 | 13.84 | 13.79 | ||
R magnitude | 13.64 | 13.64 | 13.62 | 14.10 | ||
I magnitude | 13.51 | 13.51 | 13.49 | 13.60 | ||
J magnitude | 13.22 | 13.22 | 13.22 | 13.31 | ||
H magnitude | 13.15 | 13.15 | 13.15 | 13.21 | ||
K magnitude | 13.09 | 13.09 | 13.09 | 13.13 | ||
u magnitude | 14.83 | |||||
g magnitude | 14.23 | |||||
r magnitude | 13.94 | |||||
i magnitude | 14.04 | |||||
z magnitude | 14.16 |