SDSS J085318.60+032444.7

All names: SDSS J085318.61+032444.70, SDSS J085318.60+032444.6, SDSS J085318.61+032444.7, Gaia DR3 581142885132388224, Gaia DR2 581142885132388224, GALEX J085318.6+032444, SDSS J085318.60+032444.7, Gaia EDR3 581142885132388224, WD 0850+036

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Bedard et al. 2020 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Gaia DR2 Stilism Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 08 53 18.60 (0.8) 08 53 18.61 08 53 18.60 (2) 08 53 18.60 (0.8) 08 53 18.61 08 53 18.74 08 53 18.61
Declination 03 24 44.71 (0.4) 03 24 44.67 03 24 44.71 (1) 03 24 44.63 (0.4) 03 24 44.70 03 24 42.48 03 24 44.70
Spectral type DB DB DB: DB: DB DC:
Effective temperature [K] 43174.0 (8218) 43292.0 39191.0 (975) 46196.0 (1313)
log(g) [cgs] 7.89 (0.8) 7.80 7.65 (0.4) 8.10 (0.1)
Mass [M] 0.59 (0.4) 0.543 0.693 (0.08)
log(Luminosity) [L] -0.19 (0.6)
Cooling age [Gyr] 0.0034 (0.003)
log(H/He) -2.557
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] 1.34 (1) 1.34 (1)
Distance [pc] 744.95 (531) 744.93 (531)
Composition He
Proper motion (right ascension) [mas/yr] -0.144038494 (2) -0.144 (2)
Proper motion (declination) [mas/yr] 5.01875522 (0.9) 5.019 (0.9)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.05 (0.04) 19.89 (0.04) 19.89 (0.05) 19.89 19.91 (0.05)
g magnitude 20.51 (0.02) 20.30 (0.02) 20.34 (0.03) 20.33 20.35 (0.03)
r magnitude 20.80 (0.03) 20.80 (0.04) 20.81 (0.04) 20.81 20.82 (0.04)
i magnitude 21.09 (0.06) 21.31 (0.1) 21.31 (0.09) 21.31 21.32 (0.09)
z magnitude 21.60 (0.3) 21.57 (0.5) 21.56 (0.5) 21.56 21.56 (0.5)
G magnitude 20.56 (0.06) 20.64 20.56 (0.007)
BP magnitude 20.33 (0.06) 20.32
RP magnitude 20.51 (0.2) 20.70
Pan g magnitude 20.37 (0.01)
Pan r magnitude 20.79 (0.02)
Pan i magnitude 21.15 (0.03)
Pan z magnitude 21.11 (0.03)
Pan y magnitude 20.18 (0.2)
E(B-V) 0.035

* 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.