Other names: PG 0846+558, SDSS J084951.10+553514.7, SDSS J084951.11+553514.7
Parameter | Unit | Gianninas et al. 2011 | Tremblay et al. 2011 | SDSS DR12 | Simbad | Kleinman et al. 2013 |
---|---|---|---|---|---|---|
Right ascension | 08 49 51.12 | 08 49 51.11 | 08 49 51.11 | |||
Declination | 55 35 14.56 | 55 35 14.74 | 55 35 14.69 | |||
Spectral type | DA | DA | DA1.8 | DA | ||
Effective temperature | [K] | 28330 | 28860 | 28653 | ||
log(g) | [cgs] | 7.92 | 7.80 | 7.82 | ||
Mass | [M☉] | 0.60 | 0.54 | 0.56 | ||
log(Luminosity) | [L☉] | |||||
Age | [Gyr] | 0.01 | ||||
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] | 195.00 | ||||
Composition | H | H | ||||
Proper motion (right ascension) | [mas/yr] | 12.0 | ||||
Proper motion (declination) | [mas/yr] | -16.0 | ||||
Variability | ||||||
Magnetic | ||||||
Has a disc | ||||||
B magnitude | 16.25 | |||||
V magnitude | 16.42 | |||||
R magnitude | 16.51 | |||||
I magnitude | 16.46 | |||||
J magnitude | ||||||
H magnitude | ||||||
K magnitude | ||||||
u magnitude | 15.96 | 15.99 | 15.99 | |||
g magnitude | 16.16 | 16.19 | 16.19 | |||
r magnitude | 16.60 | 16.62 | 16.62 | |||
i magnitude | 16.95 | 16.94 | 16.94 | |||
z magnitude | 17.28 | 17.26 | 17.26 |