SDSS J091004.67+394153.5

All names: Gaia EDR3 815252481465706752, SDSS J091004.66+394153.5, SDSS J091004.66+394153.4, GALEX J091004.7+394153, SDSS J091004.67+394153.5, Gaia DR2 815252481465706752, SDSS J091004.67+394153.50, Gaia DR3 815252481465706752

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 09 10 04.68 (0.4) 09 10 04.67 09 10 04.68 (0.5) 09 10 04.67 (0.4) 09 10 04.67
Declination 39 41 53.81 (0.3) 39 41 53.44 39 41 53.80 (0.4) 39 41 53.44 (0.3) 39 41 53.51
Spectral type DBH DBH DBH hotDQ
Effective temperature [K] 11369.0 14804.0 14259.0 13923.0 (300)
log(g) [cgs] 7.58 8.88 8.83 9.92 (0.09)
Mass [M] 0.373 1.134 1.106
log(Luminosity) [L]
Cooling age [Gyr] 1.0110
log(H/He) -5.703
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] 4.10 (0.5) 4.03 (0.7) 4.10 (0.5)
Distance [pc] 243.74 (31) 247.91 (41) 243.74 (31)
Composition He
Proper motion (right ascension) [mas/yr] 6.382359717 (0.5) 6.977079495 (1) 6.382 (0.5)
Proper motion (declination) [mas/yr] 22.81270993 (0.5) 22.37289718 (0.8) 22.813 (0.5)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.57 (0.03) 19.57 (0.03) 19.52 (0.03)
g magnitude 19.67 (0.01) 19.66 (0.01) 19.70 (0.03)
r magnitude 19.97 (0.02) 19.97 (0.02) 19.99 (0.02)
i magnitude 20.17 (0.03) 20.17 (0.03) 20.25 (0.04)
z magnitude 20.41 (0.1) 20.41 (0.1) 20.41 (0.1)
G magnitude 19.83 (0.03) 19.90 19.83 (0.005)
BP magnitude 19.73 (0.03) 19.79
RP magnitude 19.90 (0.08) 19.88
Pan g magnitude 19.76 (0.01)
Pan r magnitude 19.97 (0.02)
Pan i magnitude 20.23 (0.02)
Pan z magnitude 20.38 (0.03)
Pan y magnitude
E(B-V) 0.013

* 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.