Gaia DR2 918554863070270208

All names: WDJ083008.72+464634.14, Gaia DR2 918554863070270208, SDSS J083008.73+464634.2, SDSS J083008.72+464634.1, Gaia EDR3 918554863070270208, Gaia DR3 918554863070270208, WDJ08308.72+464634.14

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 08 30 08.84 (0.1) 08 30 08.84 08 30 08.84 08 30 08.72 (0.1) 08 30 08.84
Declination 46 46 34.12 (0.1) 46 46 34.12 46 46 34.12 46 46 34.14 (0.1) 46 46 34.12
Spectral type DA DA D
Effective temperature [K] 5719.0 (20) 5940.0 5700.0 5975.0 (87)
log(g) [cgs] 7.84 (0.01) 7.95 7.80 7.97 (0.03)
Mass [M] 0.497 (0.01) 0.559 0.456 0.571 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 2.1200 2.2100
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] 14.23 (0.1) 14.26 (0.2) 14.23 14.23 (0.1) 14.26 (0.2)
Distance [pc] 70.26 (0.7) 70.11 (0.9) 70.26 70.26 (0.7) 70.11 (0.9)
Composition H
Proper motion (right ascension) [mas/yr] 79.08890973 (0.2) 79.33941976 (0.3) 79.089 (0.2) 79.33941976
Proper motion (declination) [mas/yr] -1.399478409 (0.2) -1.690433829 (0.3) -1.399 (0.2) -1.690433829
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.72 (0.03) 19.68 (0.03)
g magnitude 18.61 (0.008) 18.64 (0.008)
r magnitude 18.22 (0.007) 18.21 (0.007)
i magnitude 18.07 (0.008) 18.08 (0.008)
z magnitude 18.03 (0.02) 18.06 (0.02)
G magnitude 18.24 (0.02) 18.26 18.24 18.24 (0.003) 18.26
BP magnitude 18.54 (0.02) 18.58 18.58
RP magnitude 17.77 (0.01) 17.78 17.78
Pan g magnitude 18.57 (0.003)
Pan r magnitude 18.22 (0.005)
Pan i magnitude 18.09 (0.004)
Pan z magnitude 18.08 (0.01)
Pan y magnitude 18.09 (0.03)
E(B-V) 0.002

* 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.