SDSS J101007.84+394852.2

All names: SDSS J101007.84+394852.2, GALEX J101007.8+394853, SDSS J101007.81+394852.0, Gaia DR2 803490735004698496, J1010+3948, Gaia EDR3 803490735004698496, WD 1007+400, Gaia DR3 803490735004698496

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Coutu et al. 2019 Gaia DR2 Stilism Dufour et al. 2007 Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 10 10 07.78 (0.1) 10 10 07.84 10 10 07.85 10 10 07.78 (0.1) 10 10 07.78 10 10 07.85 (0.1) 10 10 07.87 10 10 07.84
Declination 39 48 51.95 (0.09) 39 48 52.25 39 48 52.32 39 48 51.96 (0.1) 39 48 51.95 39 48 52.32 (0.09) 39 48 50.04 39 48 52.23
Spectral type DZA DZA DZ DZ DZA6.0 DZ DZ
Effective temperature [K] 8371.0 (170) 8470.0 (90) 8385.0 (214) 10092.0 (24)
log(g) [cgs] 8.05 8.00 8.03 (0.04) 9.63 (0.3)
Mass [M] 0.6078 0.593 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 1.0600
log(H/He) -4.0886 (0.1) -3.94 (0.2)
log(C/He)
log(Ca/He) -8.8105 (0.06) -8.66 (0.05)
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] 8.13 (0.1) 8.14 8.14 (0.2) 8.13 8.13 (0.1)
Distance [pc] 123.03 (2) 122.80 (3) 122.80 (3) 128.00 123.03 123.03 (2)
Composition He He
Proper motion (right ascension) [mas/yr] -49.20078355 (0.1) -49.17771496 (0.2) -49.201 (0.1)
Proper motion (declination) [mas/yr] -23.31886863 (0.1) -23.45251474 (0.2) -23.319 (0.1)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.62 (0.02) 18.62 (0.02) 18.64 (0.03)
g magnitude 18.35 (0.007) 18.35 (0.007) 18.36 (0.02)
r magnitude 18.37 (0.008) 18.37 (0.008) 18.39 (0.02)
i magnitude 18.46 (0.01) 18.46 (0.01) 18.48 (0.02)
z magnitude 18.62 (0.03) 18.62 (0.03) 18.63 (0.04)
G magnitude 18.31 (0.02) 18.35 18.31 18.31 (0.003)
BP magnitude 18.41 (0.02) 18.37
RP magnitude 18.21 (0.02) 18.16
Pan g magnitude 18.35 (0.008)
Pan r magnitude 18.37 (0.01)
Pan i magnitude 18.50 (0.004)
Pan z magnitude 18.65 (0.007)
Pan y magnitude 18.69 (0.007)
E(B-V) 0.007

* 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.