WD 1144+004

Other names: SDSS J114635.23+001233.4

Parameter Unit SDSS DR12 Simbad Kleinman et al. 2013
Right ascension 11 46 35.22 11 46 35.17 11 46 35.23
Declination 00 12 33.43 00 12 33.59 00 12 33.43
Spectral type PG1159 PG1159
Effective temperature [K] 100000
log(g) [cgs] 5.00
Mass [M]
log(Luminosity) [L]
Age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
Parallax [mas]
Distance [pc]
Composition
Proper motion (right ascension) [mas/yr] -15.0
Proper motion (declination) [mas/yr] -7.0
Variability
Magnetic
Has a disc
B magnitude 14.59
V magnitude 14.90
R magnitude
I magnitude
J magnitude 15.99
H magnitude 16.18
K magnitude 16.28
u magnitude 14.39 14.42 14.42
g magnitude 14.88 14.92 14.92
r magnitude 15.43 15.48 15.49
i magnitude 15.84 15.86 15.86
z magnitude 16.20 16.21 16.21

Spectra

Absorption lines

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