WD 0938+550A

Other names: SDSS J094203.18+544630.3, SDSS J094203.19+544630.2

Parameter Unit Tremblay et al. 2011 SDSS DR12 Simbad Kleinman et al. 2013
Right ascension 09 42 03.19 09 42 03.18 09 42 03.19
Declination 54 46 30.32 54 46 30.30 54 46 30.25
Spectral type DA DA DA
Effective temperature [K] 28190 28109
log(g) [cgs] 7.90 7.90
Mass [M] 0.59 0.59
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]
Composition H
Proper motion (right ascension) [mas/yr] -5.0
Proper motion (declination) [mas/yr] -12.0
Variability
Magnetic
Has a disc
B magnitude 18.00
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 16.72 16.72 16.73
g magnitude 16.94 16.94 16.96
r magnitude 17.41 17.41 17.41
i magnitude 17.74 17.74 17.75
z magnitude 18.15 18.14 18.15

Spectra

Absorption lines

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