EGGR 553

All names: EGGR 553, BPS CS 22949-0002, CSI-06-23119, G 157-34, GJ 893.1, L 935-50, LP 702-48, LTT 9427, NLTT 56220, PHL 2142, UCAC2 29571410, USNO 779, WD 2311-068, WD 2311-06, 2MASS J23142520-0632475, PLX 5621.01, GJ 9814

Parameter Unit Holberg et al. 2016 Simbad
Right ascension 23 14 25.19
Declination -06 32 47.84
Spectral type DQ6.8 DQ?6
Effective temperature [K] 7442.0
log(g) [cgs] 7.98
Mass [M☉] 0.58
log(Luminosity) [L☉]
Cooling age [Gyr] 1.2800
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] 39.80 39.80
Distance [pc] 25.13 25.13
Composition H
Proper motion (right ascension) [mas/yr] -340.7
Proper motion (declination) [mas/yr] -171.3
Variability
Magnetic
Db [MG]
Infrared excess (disk)
Binarity
B magnitude 15.55
V magnitude 15.42 15.42
R magnitude
I magnitude
J magnitude 14.95
H magnitude 14.94
K magnitude 14.73
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.