WD 1231-021

Other names: SDSS J123410.36-022802.8

Parameter Unit Tremblay et al. 2011 SDSS DR12 Simbad
Right ascension 12 34 10.37 12 34 10.37
Declination -02 28 02.81 -02 28 02.80
Spectral type DA
Effective temperature [K] 17740
log(g) [cgs] 6.40
Mass [M] 0.17
log(Luminosity) [L]
Age [Gyr] 0.95
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] -15.0
Proper motion (declination) [mas/yr] -12.0
Variability
Magnetic
Has a disc
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.16 18.16
g magnitude 17.84 17.85
r magnitude 18.20 18.20
i magnitude 18.41 18.41
z magnitude 18.69 18.67

Spectra

Absorption lines

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