EGGR 180

All names: NAME Stein 2051 B, TYC 3744-2062-1, ASCC 176743, LSPM J0431+5858E, 8pc 181.36B, AC +58 2500, CCDM J04312+5858B, CSI+58-04268 2, EGGR 180, G 175-34B, GJ 169.1 B, IDS 04224+5849 B, KPD 0426+5852, LHS 27, NLTT 13375, UBV 4296, USNO 121, USNO 808, WD 0426+588, Zkh 63, WDS J04312+5858B, ** STN 2051B, UCAC4 745-033849, 2MASS J04311201+5858476

Parameter Unit Holberg et al. 2016 Simbad
Right ascension 04 31 12.57
Declination 58 58 41.15
Spectral type DC7.1 DC5
Effective temperature [K] 7179.0
log(g) [cgs] 8.10
Mass [M☉] 0.69
log(Luminosity) [L☉]
Cooling age [Gyr] 2.0200
log(H/He)
log(C/He)
log(Ca/He)
log(N/He)
log(O/He)
log(Na/He)
log(Mg/He)
log(Al/He)
log(Si/He)
log(P/He)
log(S/He)
log(Cl/He)
log(Sc/He)
log(Ti/He)
log(V/He)
log(Cr/He)
log(Mn/He)
log(Fe/He)
log(Co/He)
log(Ni/He)
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He)
log(Sr/He)
Parallax [mas] 180.53 179.00
Distance [pc] 5.54 5.59
Composition He
Proper motion (right ascension) [mas/yr] 1335.6
Proper motion (declination) [mas/yr] -1962.6
Variability
Magnetic
Db [MG]
Infrared excess (disk)
Binarity WDMS
B magnitude 12.77
V magnitude 12.43 11.19
R magnitude 12.80
I magnitude
J magnitude 13.72
H magnitude
K magnitude
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.