Gaia DR2 3086397068370475392

All names: J0731-0015, Gaia DR2 3086397068370475392, WDJ073140.57-001540.11, Gaia EDR3 3086397068370475392, SDSS J073140.57-001540.1, Gaia DR3 3086397068370475392

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 Caron et al. 2023 Kilic et al. 2020 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 07 31 40.47 (0.05) 07 31 40.47 07 31 40.47 07 31 40.57 (0.05) 07 31 40.47
Declination -00 15 40.16 (0.04) -00 15 40.16 -00 15 40.16 -00 15 40.12 (0.04) -00 15 40.16
Spectral type DA DA DA DA DA
Effective temperature [K] 9725.0 (38) 10070.0 (38) 9725.0 (38) 9652.0 9628.0 9689.0 (102)
log(g) [cgs] 7.98 (0.007) 8.06 (0.008) 7.98 (0.008) 7.97 7.90 7.98 (0.02)
Mass [M] 0.586 (0.006) 0.637 (0.007) 0.59 (0.007) 0.583 0.524 0.589 (0.01)
log(Luminosity) [L]
Cooling age [Gyr] 0.6700 0.6366 0.6064
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(C/H)
log(N/H)
log(O/H)
log(Na/H)
log(Mg/H)
log(Al/H)
log(Si/H)
log(P/H)
log(S/H)
log(Sc/H)
log(Ti/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Ni/H)
Parallax [mas] 14.44 (0.06) 14.51 (0.08) 14.51 (0.08) 14.44 14.44 (0.06) 14.51 (0.08)
Distance [pc] 69.23 (0.3) 68.92 (0.4) 68.92 (0.4) 69.23 69.23 (0.3) 68.92 (0.4)
Composition H H
Proper motion (right ascension) [mas/yr] -92.79256614 (0.06) -92.89022621 (0.1) -92.793 (0.06) -92.89022621
Proper motion (declination) [mas/yr] -2.619792071 (0.05) -2.792576129 (0.1) -2.62 (0.05) -2.792576129
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 16.35 (0.02)
H magnitude
K magnitude 16.64 (0.1)
u magnitude 16.85 (0.007) 16.84 (0.007) 16.84 (0.007)
g magnitude 16.42 (0.004) 16.42 (0.004)
r magnitude 16.52 (0.004) 16.52 (0.004)
i magnitude 16.62 (0.005) 16.62 (0.005)
z magnitude 16.79 (0.01) 16.79 (0.01)
G magnitude 16.43 (0.004) 16.46 16.43 16.43 (0.003) 16.46
BP magnitude 16.51 (0.004) 16.50 16.50
RP magnitude 16.33 (0.008) 16.34 16.34
Pan g magnitude 16.45 (0.003) 16.45 (0.003)
Pan r magnitude 16.52 (0.005) 16.52 (0.005)
Pan i magnitude 16.65 (0.003) 16.65 (0.002)
Pan z magnitude 16.80 (0.003) 16.80 (0.002)
Pan y magnitude 16.90 (0.006) 16.90 (0.006)
E(B-V) 0.001

* 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.