SDSS J100015.28+240724.6

All names: Gaia EDR3 642427704758707072, SDSS J100015.29+240724.7, SDSS J100015.28+240724.70, Gaia DR2 642427704758707072, GALEX J100015.3+240724, SDSS J100015.28+240724.7, Gaia DR3 642427704758707072, SDSS J100015.28+240724.6

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Bedard et al. 2020 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) Gaia DR2 Stilism Vincent et al. 2024 Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 10 00 15.28 (0.1) 10 00 15.29 10 00 15.28 (0.2) 10 00 15.28 10 00 15.28 (0.1) 10 00 15.28
Declination 24 07 24.64 (0.09) 24 07 24.76 24 07 24.64 (0.1) 24 07 24.64 24 07 24.73 (0.09) 24 07 24.69
Spectral type DBA DB DB DBAH: DB
Effective temperature [K] 41488.0 (823) 15112.0 43165.0 43560.0 (2728) 48555.0 (281)
log(g) [cgs] 7.83 (0.07) 8.21 8.11 7.94 (0.1) 7.93 (0.08)
Mass [M] 0.55 (0.03) 0.718 0.696 0.608 (0.07)
log(Luminosity) [L] -0.22 (0.06)
Cooling age [Gyr] 0.0037 (0.0002)
log(H/He) -5.85
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] 1.92 (0.2) 2.19 (0.2) 1.92 1.92 (0.2)
Distance [pc] 519.54 (41) 455.92 (43) 519.54 519.53 (41)
Composition He
Proper motion (right ascension) [mas/yr] 0.818105175 (0.1) 1.266754769 (0.3) 0.818 (0.1)
Proper motion (declination) [mas/yr] -5.746164186 (0.1) -5.749781694 (0.3) -5.746 (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 17.47 (0.009) 17.47 (0.009) 17.52 (0.02)
g magnitude 17.84 (0.006) 17.84 (0.006) 17.88 (0.01)
r magnitude 18.30 (0.008) 18.30 (0.008) 18.32 (0.01)
i magnitude 18.63 (0.01) 18.63 (0.01) 18.64 (0.02)
z magnitude 18.98 (0.05) 18.98 (0.06) 18.97 (0.04)
G magnitude 18.08 (0.009) 18.11 18.08 18.08 (0.003)
BP magnitude 17.95 (0.009) 17.89
RP magnitude 18.40 (0.02) 18.36
Pan g magnitude 17.90 (0.004)
Pan r magnitude 18.32 (0.005)
Pan i magnitude 18.67 (0.02)
Pan z magnitude 18.95 (0.01)
Pan y magnitude 19.15 (0.03)
E(B-V) 0.020

* 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.