GALEX 2694359875352267339

All names: GALEX 2694359875352267339, Gaia DR3 656447405725792256, Gaia EDR3 656447405725792256, USNO-A2.0 1050-05616963, SDSS J081137.18+162115.3, Gaia DR2 656447405725792256, SDSS J081137.18+162115.30

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) MWDD HE Gaia DR2 Stilism Koester & Kepler 2015 Vincent et al. 2024 Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 08 11 37.15 (0.1) 08 11 37.18 08 11 37.15 (0.1) 08 11 37.15 08 11 37.20 (0.1) 08 11 37.18
Declination 16 21 14.86 (0.07) 16 21 15.30 16 21 14.88 (0.08) 16 21 14.86 16 21 15.42 (0.08) 16 21 15.31
Spectral type DBA DB DBA DBA DB
Effective temperature [K] 11270.0 11454.0 10683.0 (107) 11567.0 (265) 11949.0 (394)
log(g) [cgs] 7.83 8.10 8.00 (0) 8.11 (0.03) 9.06 (0.3)
Mass [M] 0.488 0.645 0.652 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 0.5070
log(H/He) -5.234 -5.1 (0.2)
log(C/He)
log(Ca/He) <-10.83
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] 7.61 (0.1) 7.61 (0.2) 7.61 7.61 (0.2)
Distance [pc] 131.48 (2) 131.41 (3) 122.00 131.48 131.41 (3)
Composition He
Proper motion (right ascension) [mas/yr] -47.26642759 (0.1) -47.84940543 (0.3) -47.849 (0.3)
Proper motion (declination) [mas/yr] -34.74974514 (0.08) -34.68775647 (0.2) -34.688 (0.2)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 17.00 (0.3)
V magnitude
R magnitude 17.60 (0.3)
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 17.64 (0.01) 17.64 (0.01) 17.63 (0.02)
g magnitude 17.58 (0.005) 17.59 (0.005) 17.59 (0.02)
r magnitude 17.74 (0.007) 17.74 (0.007) 17.72 (0.02)
i magnitude 17.96 (0.008) 17.95 (0.008) 17.94 (0.03)
z magnitude 18.12 (0.02) 18.12 (0.02) 18.12 (0.03)
G magnitude 17.64 (0.01) 17.68 17.64 17.68 (0.002)
BP magnitude 17.64 (0.01) 17.60
RP magnitude 17.62 (0.01) 17.62
Pan g magnitude 17.61 (0.003)
Pan r magnitude 17.77 (0.004)
Pan i magnitude 17.94 (0.004)
Pan z magnitude 18.12 (0.007)
Pan y magnitude 18.28 (0.01)
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.