SDSS J101904.84+052256.2

All names: SDSS J101904.85+052256.3, Gaia DR3 3861332176432164096, GALEX J101904.8+052256, Gaia DR2 3861332176432164096, Gaia EDR3 3861332176432164096, SDSS J101904.84+052256.2, SDSS J101904.85+052256.30

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Koester & Kepler 2015 Kepler et al. 2015 Vincent et al. 2024 Simbad Vincent et al. 2023
Right ascension 10 19 04.84 (0.2) 10 19 04.84 10 19 04.84 (0.3) 10 19 04.84 10 19 04.84 (0.2)
Declination 05 22 56.26 (0.2) 05 22 56.25 05 22 56.26 (0.3) 05 22 56.26 05 22 56.25 (0.2)
Spectral type DB DB DB DB DB
Effective temperature [K] 12500.0 11181.0 11021.0 10945.0 (118) 10719.0 (119) 12008.0 (569)
log(g) [cgs] 8.76 8.11 8.10 8.00 (0) 8.00 (0) 8.21 (0.07)
Mass [M] 1.068 0.649 0.646 0.716 (0.06)
log(Luminosity) [L]
Cooling age [Gyr] 0.5630
log(H/He) -5.448 -5.7 (0.7)
log(C/He)
log(Ca/He) <-10.65
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] 5.90 (0.2) 6.00 (0.3) 5.90 5.90 (0.2)
Distance [pc] 169.50 (6) 166.60 (9) 173.00 169.50 169.49 (6)
Composition He
Proper motion (right ascension) [mas/yr] 2.319561341 (0.2) 2.826422281 (0.5) 2.32 (0.2)
Proper motion (declination) [mas/yr] 0.489985754 (0.2) 0.839930787 (0.5) 0.49 (0.2)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.27 (0.01) 18.27 (0.01) 18.27 (0.01)
g magnitude 18.20 (0.006) 18.20 (0.01) 18.20 (0.006)
r magnitude 18.37 (0.008) 18.37 (0.01) 18.37 (0.008)
i magnitude 18.53 (0.01) 18.53 (0.01) 18.53 (0.01)
z magnitude 18.74 (0.03) 18.74 (0.03) 18.74 (0.03)
G magnitude 18.25 (0.02) 18.27 18.25 18.25 (0.004)
BP magnitude 18.28 (0.02) 18.25
RP magnitude 18.27 (0.02) 18.20
Pan g magnitude 18.23 (0.006)
Pan r magnitude 18.37 (0.008)
Pan i magnitude 18.57 (0.01)
Pan z magnitude 18.73 (0.006)
Pan y magnitude 18.81 (0.03)
E(B-V) 0.013

* 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.