EGGR 498

Other names: 2002-110, LHS 483

Parameter Unit Holberg et al. 2016 Simbad
Right ascension 20 05 34.83
Declination -10 56 54.49
Spectral type DA10.5 DA10
Effective temperature [K] 4675.0
log(g) [cgs] 8.23
Mass [M] 0.73
log(Luminosity) [L]
Cooling age [Gyr] 8.0800
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] 57.70 57.20
Distance [pc] 17.33 17.48
Composition H
Proper motion (right ascension) [mas/yr] 1066.4
Proper motion (declination) [mas/yr] -74.5697
Variability
Magnetic
Db [MG]
Infrared excess (disk)
Binarity
B magnitude 17.91
V magnitude 16.90 16.89
R magnitude 16.40
I magnitude
J magnitude 15.28
H magnitude 14.99
K magnitude 14.75
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.