SDSS J091322.22+254514.7

All names: GALEX J091322.2+254514, Gaia DR2 688654781362897152, SDSS J091322.22+254514.7, SDSS J091322.21+254514.7, LAMOST J091322.21+254514.7, SDSS J091322.22+254514.70, Gaia EDR3 688654781362897152, Gaia DR3 688654781362897152

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 13 22.20 (0.3) 09 13 22.22 09 13 22.20 (0.3) 09 13 22.22 (0.3) 09 13 22.22
Declination 25 45 14.66 (0.2) 25 45 14.71 25 45 14.66 (0.2) 25 45 14.73 (0.2) 25 45 14.73
Spectral type DBAH: DBAH DBAH: DB
Effective temperature [K] 15047.0 15021.0 13087.0 15096.0 (110) 15623.0 (223)
log(g) [cgs] 8.00 7.91 7.73 8.00 (0) 8.33 (0.1)
Mass [M] 0.591 0.539 0.443
log(Luminosity) [L]
Cooling age [Gyr] 0.2073
log(H/He) -4.995 -5.05 (0.7)
log(C/He)
log(Ca/He) <-7.08
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] 3.04 (0.3) 2.85 (0.4) 3.04 (0.3)
Distance [pc] 328.88 (36) 350.44 (49) 326.00 328.88 (36)
Composition He
Proper motion (right ascension) [mas/yr] -14.30693434 (0.3) -14.2637226 (0.6) -14.307 (0.3)
Proper motion (declination) [mas/yr] -4.309815758 (0.2) -4.278033344 (0.4) -4.31 (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 18.73 (0.02) 18.73 (0.02) 18.73 (0.03)
g magnitude 18.81 (0.008) 18.81 (0.008) 18.81 (0.02)
r magnitude 19.07 (0.01) 19.07 (0.01) 19.08 (0.02)
i magnitude 19.29 (0.02) 19.29 (0.02) 19.30 (0.02)
z magnitude 19.44 (0.08) 19.44 (0.08) 19.45 (0.08)
G magnitude 18.92 (0.02) 18.96 18.92 (0.004)
BP magnitude 18.89 (0.02) 18.82
RP magnitude 19.01 (0.05) 19.04
Pan g magnitude 18.86 (0.007)
Pan r magnitude 19.07 (0.004)
Pan i magnitude 19.31 (0.008)
Pan z magnitude 19.49 (0.02)
Pan y magnitude 19.67 (0.08)
E(B-V) 0.028

* 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.