EGGR 151

Other names: 2151-015, G 93-53

Parameter Unit Holberg et al. 2016 Simbad
Right ascension 21 54 06.45
Declination -01 17 10.26
Spectral type DA6 DA5.5
Effective temperature [K] 8504.0
log(g) [cgs] 8.15
Mass [M☉] 0.69
log(Luminosity) [L☉]
Cooling age [Gyr] 1.3500
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] 19.85
Composition H
Proper motion (right ascension) [mas/yr] 9.0
Proper motion (declination) [mas/yr] -285.0
Variability
Magnetic
Db [MG]
Infrared excess (disk)
Binarity WDMS
B magnitude 14.73
V magnitude 14.52 14.52
R magnitude 14.37
I magnitude 13.99
J magnitude 12.45
H magnitude 11.78
K magnitude 11.41
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.