LAWD 1

Other names: 0000-345, LHS 1008

Parameter Unit Holberg et al. 2016 Simbad
Right ascension 00 02 40.08
Declination -34 13 38.71
Spectral type DAH8.1 DC
Effective temperature [K] 6644.0
log(g) [cgs] 8.42
Mass [M☉] 0.86
log(Luminosity) [L☉]
Cooling age [Gyr] 3.8400
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] 75.70 75.20
Distance [pc] 13.21 13.30
Composition H
Proper motion (right ascension) [mas/yr] 144.0
Proper motion (declination) [mas/yr] -744.0
Variability
Magnetic yes
Db [MG] 81
Infrared excess (disk)
Binarity
B magnitude 15.36
V magnitude 14.96 14.94
R magnitude
I magnitude
J magnitude 14.12
H magnitude 14.02
K magnitude 13.92
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude

* Constant surface field

Special notes:

Spectra

Absorption lines

Controls

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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.