SDSS J105842.71+521822.7

All names: GALEX J105842.6+521822, SDSS J105842.71+521822.7, Gaia DR3 836507626075569024, Gaia EDR3 836507626075569024, Gaia DR2 836507626075569024, SDSS J105842.69+521823.1

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H MWDD HE Gaia DR2 Stilism Koester & Kepler 2015 Vincent et al. 2024 Simbad Eisenstein et al. 2006 Vincent et al. 2023
Right ascension 10 58 42.69 (0.09) 10 58 42.71 10 58 42.69 (0.1) 10 58 42.69 10 58 42.72 (0.09) 10 58 42.72
Declination 52 18 23.23 (0.1) 52 18 22.74 52 18 23.22 (0.2) 52 18 23.23 52 18 22.70 (0.1) 52 18 22.76
Spectral type sdO: sdO: DA DAZ SDO: DA
Effective temperature [K] 11736.0 12668.0 12862.0 (92) 15826.0 (843) 12923.0 (321)
log(g) [cgs] 7.69 7.74 8.00 (0) 8.41 (0.06) 8.42 (0.4)
Mass [M☉] 0.443 0.445 0.869 (0.05)
log(Luminosity) [L☉]
Cooling age [Gyr] 0.2689 0.2312
log(H/He) -4.02 (0.3)
log(C/He)
log(Ca/He) -8.39 (0.2)
log(Ca/H)
Parallax [mas] 3.94 (0.2) 2.99 (0.4) 3.94 3.94 (0.2)
Distance [pc] 253.93 (12) 334.00 (39) 280.00 253.93 253.94 (12)
Composition
Proper motion (right ascension) [mas/yr] -16.69401365 (0.1) -17.48669198 (0.3) -16.694 (0.1) -16.5
Proper motion (declination) [mas/yr] 33.62239077 (0.1) 34.11343979 (0.4) 33.622 (0.1) 35.5
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.78 (0.02) 18.78 (0.02) 18.84 (0.03)
g magnitude 18.81 (0.009) 18.81 (0.009) 18.82 (0.02)
r magnitude 19.07 (0.01) 19.07 (0.01) 19.09 (0.03)
i magnitude 19.22 (0.02) 19.22 (0.02) 19.24 (0.02)
z magnitude 19.51 (0.07) 19.51 (0.07) 19.52 (0.07)
G magnitude 18.92 (0.02) 18.96 18.92 18.92 (0.003)
BP magnitude 18.91 (0.02) 18.86
RP magnitude 19.00 (0.04) 18.99
Pan g magnitude 18.85 (0.008)
Pan r magnitude 19.04 (0.01)
Pan i magnitude 19.28 (0.008)
Pan z magnitude 19.47 (0.02)
Pan y magnitude 19.57 (0.08)
E(B-V) 0.018

* 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.