Gaia DR2 711612103114782592

All names: WDJ09018.96+303739.37, GALEX J090109.0+303740, Gaia DR3 711612103114782592, Gaia EDR3 711612103114782592, WDJ090108.96+303739.37, J0901+3037, SDSS J090108.94+303739.2, Gaia DR2 711612103114782592

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 Caron et al. 2023 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 Vincent et al. 2023
Right ascension 09 01 08.88 (0.2) 09 01 08.88 09 01 08.88 09 01 08.96 (0.2) 09 01 08.88
Declination 30 37 38.88 (0.1) 30 37 38.89 30 37 38.88 30 37 39.37 (0.1) 30 37 38.89
Spectral type DC DC DC DC DC
Effective temperature [K] 6300.0 (78) 6251.0 (72) 6806.0 6559.0 5823.0 (244)
log(g) [cgs] 8.12 (0.04) 8.10 (0.05) 8.37 8.26 8.04 (0.06)
Mass [M] 0.648 (0.03) 0.632 (0.04) 0.826 0.74 0.596 (0.06)
log(Luminosity) [L]
Cooling age [Gyr] 2.6700 3.4840 3.3030
log(H/He) -3.2 -3.2
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] 10.36 (0.3) 10.37 (0.4) 10.37 (0.4) 10.36 10.36 (0.3) 10.37 (0.4)
Distance [pc] 96.49 (3) 96.43 (4) 96.44 (4) 96.49 96.49 (3) 96.44 (4)
Composition He
Proper motion (right ascension) [mas/yr] -68.28632127 (0.3) -68.2556667 (0.6) -68.286 (0.3) -68.2556667
Proper motion (declination) [mas/yr] -30.76397178 (0.2) -30.98978627 (0.4) -30.764 (0.2) -30.98978627
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.88 (0.04) 19.86 (0.04) 19.86 (0.04)
g magnitude 19.24 (0.01) 19.24 (0.01)
r magnitude 18.99 (0.01) 18.99 (0.01)
i magnitude 18.99 (0.01) 18.99 (0.01)
z magnitude 18.80 (0.04) 18.80 (0.04)
G magnitude 19.01 (0.03) 19.04 19.01 19.01 (0.003) 19.04
BP magnitude 19.30 (0.03) 19.18 19.18
RP magnitude 18.63 (0.02) 18.63 18.63
Pan g magnitude 19.21 (0.008) 19.21 (0.01)
Pan r magnitude 19.00 (0.01) 19.00 (0.01)
Pan i magnitude 18.96 (0.01) 18.96 (0.01)
Pan z magnitude 19.02 (0.02) 19.02 (0.02)
Pan y magnitude 19.03 (0.02) 19.03 (0.02)
E(B-V) 0.003

* 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.