SDSS J091125.31+193541.8

All names: Gaia DR2 636699695854557184, SDSS J091125.32+193541.7, SDSS J091125.32+193541.8, GALEX J091125.3+193541, SDSS J091125.31+193541.8, SDSS J091125.32+193541.80, Gaia DR3 636699695854557184, Gaia EDR3 636699695854557184

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Koester & Kepler 2015 Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 09 11 25.31 (0.2) 09 11 25.32 09 11 25.31 (0.3) 09 11 25.32 (0.2) 09 11 25.32
Declination 19 35 41.78 (0.1) 19 35 41.85 19 35 41.78 (0.2) 19 35 41.91 (0.1) 19 35 41.85
Spectral type DB DB DBAH: DB
Effective temperature [K] 22583.0 21978.0 20697.0 20502.0 (456) 24514.0 (775)
log(g) [cgs] 7.79 7.99 8.00 7.75 (0.09) 7.81 (0.09)
Mass [M] 0.492 0.597 0.6
log(Luminosity) [L]
Cooling age [Gyr] 0.0590
log(H/He) -3.774 <-3.64
log(C/He)
log(Ca/He) <-4.21
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] 1.89 (0.3) 2.26 (0.4) 1.89 (0.3)
Distance [pc] 528.68 (73) 441.74 (77) 489.00 528.68 (73)
Composition He
Proper motion (right ascension) [mas/yr] -10.84602212 (0.2) -10.4075455 (0.5) -10.846 (0.2)
Proper motion (declination) [mas/yr] -7.908325852 (0.2) -7.743842872 (0.3) -7.908 (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 18.56 (0.02) 18.55 (0.02) 18.57 (0.02)
g magnitude 18.64 (0.008) 18.64 (0.008) 18.67 (0.02)
r magnitude 19.04 (0.01) 19.04 (0.01) 19.03 (0.02)
i magnitude 19.31 (0.02) 19.31 (0.02) 19.31 (0.02)
z magnitude 19.59 (0.06) 19.59 (0.06) 19.54 (0.06)
G magnitude 18.84 (0.02) 18.88 18.84 (0.004)
BP magnitude 18.77 (0.02) 18.69
RP magnitude 19.04 (0.05) 18.96
Pan g magnitude 18.68 (0.008)
Pan r magnitude 19.03 (0.007)
Pan i magnitude 19.32 (0.01)
Pan z magnitude 19.60 (0.01)
Pan y magnitude 19.47 (0.1)
E(B-V) 0.031

* 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.