SDSS J095159.84+204521.7

All names: SDSS J095159.83+204521.6, Gaia EDR3 628067498784238208, Gaia DR3 628067498784238208, J0951+2045, SDSS J095159.84+204521.6, USNO-B1.0 1107-00183247, LSPM J0951+2045E, GALEX J095159.9+204521, SDSS J095159.84+204521.7, Gaia DR2 628067498784238208

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Caron et al. 2023 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 09 51 59.94 (0.2) 09 51 59.84 09 51 59.94 (0.3) 09 51 59.94 09 51 59.79 (0.2) 09 51 59.84
Declination 20 45 20.10 (0.2) 20 45 21.68 20 45 20.17 (0.2) 20 45 20.10 20 45 22.40 (0.2) 20 45 21.69
Spectral type DC DC DC DC DC DC DC
Effective temperature [K] 6304.0 (54) 6660.0 6445.0 6062.0 (225) 6394.0 (41)
log(g) [cgs] 7.90 (0.05) 8.11 8.01 7.95 (0.06) 10.00 (0.008)
Mass [M] 0.513 (0.04) 0.659 0.576 0.539 (0.05)
log(Luminosity) [L]
Cooling age [Gyr] 1.8600 2.1230 1.9290
log(H/He) -3.2
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] 9.96 (0.2) 9.78 (0.4) 9.78 (0.4) 9.96 9.96 (0.2)
Distance [pc] 100.41 (2) 102.25 (4) 102.26 (4) 100.41 100.41 (2)
Composition He
Proper motion (right ascension) [mas/yr] 138.0869881 (0.2) 137.4297438 (0.5) 138.087 (0.2)
Proper motion (declination) [mas/yr] -143.6692473 (0.2) -143.4468419 (0.4) -143.669 (0.2)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 18.80
V magnitude
R magnitude 18.30
I magnitude
J magnitude 18.27 (0.06)
H magnitude
K magnitude
u magnitude 19.68 (0.03) 19.68 (0.03) 19.68 (0.03) 19.67 (0.03)
g magnitude 19.05 (0.009) 19.05 (0.009) 19.04 (0.02)
r magnitude 18.83 (0.009) 18.83 (0.009) 18.86 (0.02)
i magnitude 18.78 (0.01) 18.79 (0.01) 18.78 (0.02)
z magnitude 18.75 (0.03) 18.75 (0.03) 18.77 (0.04)
G magnitude 18.83 (0.02) 18.86 18.83 18.83 (0.003)
BP magnitude 19.07 (0.02) 19.07
RP magnitude 18.53 (0.03) 18.50
Pan g magnitude 19.05 (0.01) 19.05 (0.01)
Pan r magnitude 18.83 (0.004) 18.83 (0.005)
Pan i magnitude 18.79 (0.004) 18.79 (0.004)
Pan z magnitude 18.81 (0.007) 18.81 (0.006)
Pan y magnitude 18.77 (0.05) 18.77 (0.05)
E(B-V) 0.005

* 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.