SDSS J105715.58+102943.1

All names: GALEX J105715.6+102943, Gaia DR2 3868016588653504000, SDSS J105715.58+102943.10, SDSS J105715.58+102943.0, Gaia DR3 3868016588653504000, SDSS J105715.57+102943.1, SDSS J105715.58+102943.1, Gaia EDR3 3868016588653504000, SDSS J105715.57+102943.0

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 Kleinman et al. 2013 Vincent et al. 2023
Right ascension 10 57 15.57 (0.5) 10 57 15.57 10 57 15.57 (0.7) 10 57 15.58 (0.5) 10 57 15.58
Declination 10 29 42.96 (0.4) 10 29 43.05 10 29 42.97 (0.7) 10 29 43.19 (0.4) 10 29 43.07
Spectral type DB DB DB DB
Effective temperature [K] 17153.0 17754.0 16164.0 17994.0 (507)
log(g) [cgs] 7.67 8.58 8.49 7.77 (0.2)
Mass [M] 0.426 0.962 0.901 0.477 (0.07)
log(Luminosity) [L]
Cooling age [Gyr] 0.3673
log(H/He) <-5.606
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] 3.15 (0.5) 2.49 (1) 3.15 (0.5)
Distance [pc] 316.96 (53) 402.06 (158) 316.97 (53)
Composition He
Proper motion (right ascension) [mas/yr] -7.668205434 (0.5) -7.982857161 (1) -7.668 (0.5)
Proper motion (declination) [mas/yr] -14.235751 (0.4) -13.97249002 (1) -14.236 (0.4)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.65 (0.03) 19.65 (0.03) 19.69 (0.04)
g magnitude 19.77 (0.01) 19.77 (0.01) 19.79 (0.03)
r magnitude 20.04 (0.02) 20.04 (0.02) 20.07 (0.03)
i magnitude 20.33 (0.04) 20.33 (0.04) 20.34 (0.04)
z magnitude 20.52 (0.2) 20.52 (0.2) 20.55 (0.2)
G magnitude 19.87 (0.06) 19.91 19.87 (0.007)
BP magnitude 19.82 (0.06) 19.64
RP magnitude 19.91 (0.1) 19.69
Pan g magnitude 19.78 (0.02)
Pan r magnitude 20.05 (0.009)
Pan i magnitude 20.35 (0.01)
Pan z magnitude 20.53 (0.03)
Pan y magnitude 21.00 (0.2)
E(B-V) 0.025

* 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.