Other names: PG 0901+140, SDSS J090402.82+134911.2
Parameter | Unit | Gianninas et al. 2011 | SDSS DR12 | Simbad | Kleinman et al. 2013 |
---|---|---|---|---|---|
Right ascension | 09 04 02.82 | 09 04 02.82 | 09 04 02.82 | ||
Declination | 13 49 11.13 | 13 49 11.15 | 13 49 11.15 | ||
Spectral type | DA | DA5.4 | DA | ||
Effective temperature | [K] | 9270 | 8031 | ||
log(g) | [cgs] | 8.36 | 7.99 | ||
Mass | [M☉] | 0.82 | 0.59 | ||
log(Luminosity) | [L☉] | ||||
Age | [Gyr] | ||||
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] | 40.00 | |||
Composition | H | ||||
Proper motion (right ascension) | [mas/yr] | -112.0 | |||
Proper motion (declination) | [mas/yr] | -18.0 | |||
Variability | |||||
Magnetic | |||||
Has a disc | |||||
B magnitude | 16.12 | ||||
V magnitude | |||||
R magnitude | |||||
I magnitude | |||||
J magnitude | |||||
H magnitude | |||||
K magnitude | |||||
u magnitude | 17.13 | 17.03 | 17.03 | ||
g magnitude | 16.73 | 16.76 | 16.76 | ||
r magnitude | 16.65 | 16.65 | 16.65 | ||
i magnitude | 16.69 | 16.71 | 16.71 | ||
z magnitude | 16.79 | 16.82 | 16.82 |