WD 0123+732

All names: WD 0123+732, LP 29-148, NLTT 4805, 2MASS J01280127+7329364, USNO-B1.0 1634-00019937, LSPM J0128+7329

Parameter Unit Holberg et al. 2016 Simbad
Right ascension 01 28 01.28
Declination 73 29 36.38
Spectral type DA6.8
Effective temperature [K] 7400.0
log(g) [cgs] 8.20
Mass [M☉] 0.66
log(Luminosity) [L☉]
Cooling age [Gyr] 1.7200
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] 25.10
Composition H
Proper motion (right ascension) [mas/yr] -156
Proper motion (declination) [mas/yr] 75.0
Variability
Magnetic
Db [MG]
Infrared excess (disk)
Binarity
B magnitude 17.40
V magnitude 15.61 16.80
R magnitude 15.70
I magnitude 13.90
J magnitude 11.95
H magnitude 11.35
K magnitude 11.07
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude

* Constant surface field

Special notes:

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The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour at Université de Montréal. Please send database updates, corrections, suggestions or bug reports to dufourpa@astro.umontreal.ca.