SDSS J102512.72+533216.5

All names: GALEX J102512.7+533215, SDSS J102512.73+533216.5, SDSS J102512.72+533216.4, WD 1022+537, SDSS J102512.72+533216.5

Parameter Unit SDSS DR12 Tremblay et al. 2011 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013
Right ascension 10 25 12.74 10 25 12.74 (10) 10 25 12.73 10 25 12.82 10 25 12.72
Declination 53 32 16.55 53 32 16.55 (10) 53 32 16.53 53 32 09.24 53 32 16.48
Spectral type DA DA DA_auto DA DA
Effective temperature [K] 7100.0 (80) 7730.0 (46) 7039.0 (47)
log(g) [cgs] 8.12 (0.1) 8.93 (0.08) 8.04 (0.09)
Mass [M] 0.67 (0.09) 0.616 (0.06)
log(Luminosity) [L]
Cooling age [Gyr] 1.8197
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
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(Sc/H)
log(Ti/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Ni/H)
Parallax [mas]
Distance [pc]
Composition H
Proper motion (right ascension) [mas/yr] 39.0 (3) 42.3
Proper motion (declination) [mas/yr] -3.0 (3) -0.9
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.50 (0.02) 18.50 (0.02) 18.61 (0.03) 18.61 18.63 (0.03)
g magnitude 18.00 (0.006) 18.00 (0.006) 18.14 (0.03) 18.14 18.13 (0.03)
r magnitude 17.84 (0.006) 17.84 (0.006) 17.97 (0.02) 17.97 17.96 (0.02)
i magnitude 17.81 (0.008) 17.81 (0.008) 17.95 (0.05) 17.94 17.93 (0.05)
z magnitude 17.90 (0.02) 17.90 (0.02) 17.98 (0.03) 17.98 17.97 (0.03)
G magnitude
BP magnitude
RP magnitude
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V)

* Constant surface field

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The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour (Université de Montréal) and Dr. Simon Blouin (University of Victoria). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.