SDSS J125246.31+035347.7

All names: SDSS J125246.32+035347.80, Gaia EDR3 3704621949516640768, Gaia DR3 3704621949516640768, SDSS J125246.31+035347.7, Gaia DR2 3704621949516640768, SDSS J125246.32+035347.8, SDSS J125246.31+035347.8, WD 1250+041, GALEX J125246.3+035348

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 12 52 46.30 (0.3) 12 52 46.31 12 52 46.30 (0.5) 12 52 46.32 (0.3) 12 52 46.32 12 52 45.72 12 52 46.32
Declination 03 53 47.91 (0.2) 03 53 47.84 03 53 47.91 (0.3) 03 53 47.81 (0.2) 03 53 47.76 03 53 43.08 03 53 47.83
Spectral type DB DB DB DB DB DB+MS
Effective temperature [K] 17554.0 16951.0 14933.0 18750.0 (412) 18374.0 (529)
log(g) [cgs] 8.00 8.10 7.95 8.15 (0.1) 8.03 (0.2)
Mass [M] 0.594 0.65 0.559 0.607 (0.09)
log(Luminosity) [L]
Cooling age [Gyr] 0.1846
log(H/He) -5.054
log(C/He)
log(Ca/He)
log(Ca/H)
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] 2.44 (0.4) 2.22 (0.5) 2.44 (0.4)
Distance [pc] 409.87 (65) 450.22 (98) 409.87 (65)
Composition He
Proper motion (right ascension) [mas/yr] -17.00297357 (0.5) -16.1141502 (1) -17.003 (0.5) -11.5
Proper motion (declination) [mas/yr] 5.995859806 (0.5) 5.684481179 (0.5) 5.996 (0.5) 6.1
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WDMS
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.24 (0.02) 19.24 (0.02) 19.22 (0.03) 19.21 19.21 (0.03)
g magnitude 19.29 (0.01) 19.29 (0.01) 19.33 (0.02) 19.32 19.33 (0.02)
r magnitude 19.60 (0.02) 19.60 (0.02) 19.65 (0.03) 19.64 19.65 (0.03)
i magnitude 19.86 (0.03) 19.86 (0.03) 19.93 (0.03) 19.93 19.94 (0.03)
z magnitude 20.20 (0.1) 20.20 (0.1) 20.12 (0.1) 20.11 20.13 (0.1)
G magnitude 19.46 (0.03) 19.51 19.46 (0.004)
BP magnitude 19.44 (0.03) 19.37
RP magnitude 19.60 (0.08) 19.51
Pan g magnitude 19.35 (0.009)
Pan r magnitude 19.64 (0.01)
Pan i magnitude 19.88 (0.01)
Pan z magnitude 20.11 (0.03)
Pan y magnitude 20.01 (0.1)
E(B-V) 0.021

* 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.