SDSS J090339.72+103213.1

All names: SDSS J090339.72+103213.09, SDSS J090339.72+103213.1, Gaia EDR3 603638652518160256, GALEX J090339.7+103214, SDSS J090339.72+103213.0, Gaia DR2 603638652518160256, SDSS J090339.73+103213.1, Gaia DR3 603638652518160256

Parameter Unit Gaia EDR3 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 09 03 39.71 (0.07) 09 03 39.73 09 03 39.71 (0.1) 09 03 39.71 09 03 39.74 (0.07)
Declination 10 32 13.10 (0.05) 10 32 13.17 10 32 13.10 (0.08) 10 32 13.10 10 32 13.28 (0.05)
Spectral type DBA DBA DB DBA DB
Effective temperature [K] 16604.0 16391.0 16090.0 16770.0 (32) 16704.0 (31) 16024.0 (467)
log(g) [cgs] 8.07 8.03 8.00 8.08 (0.02) 8.00 (0.02) 8.00 (0.04)
Mass [M] 0.634 0.608 0.59 0.598 (0.01) 0.591 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 0.1575
log(H/He) -5.318 -4.81 (0.1)
log(C/He)
log(Ca/He) <-6.57
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] 6.49 (0.09) 6.47 (0.1) 6.49 6.49 (0.09)
Distance [pc] 154.12 (2) 154.58 (3) 150.00 154.12 154.12 (2)
Composition He
Proper motion (right ascension) [mas/yr] -24.46093815 (0.09) -24.56609209 (0.2) -24.461 (0.09)
Proper motion (declination) [mas/yr] -11.19617664 (0.07) -11.18241217 (0.1) -11.196 (0.07)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 16.79 (0.007) 16.81 (0.02) 16.79 (0.007)
g magnitude 16.88 (0.004) 16.91 (0.02) 16.88 (0.004)
r magnitude 17.21 (0.005) 17.23 (0.01) 17.21 (0.005)
i magnitude 17.46 (0.006) 17.46 (0.02) 17.46 (0.006)
z magnitude 17.73 (0.02) 17.73 (0.02) 17.73 (0.01)
G magnitude 17.04 (0.005) 17.07 17.04 17.04 (0.003)
BP magnitude 16.98 (0.005) 16.96
RP magnitude 17.17 (0.007) 17.16
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.009

* 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.