Gaia DR2 3219198487955502720

All names: SDSS J054616.87+001235.8, WDJ054616.87+001236.37, Gaia DR2 3219198487955502720, Gaia DR3 3219198487955502720, Gaia EDR3 3219198487955502720

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 05 46 16.88 (0.2) 05 46 16.88 05 46 16.88 05 46 16.88 (0.2) 05 46 16.88
Declination 00 12 34.41 (0.2) 00 12 34.47 00 12 34.41 00 12 36.37 (0.2) 00 12 34.47
Spectral type DC DA: DA
Effective temperature [K] 5009.0 (43) 5317.0 5022.0 5408.0 (73)
log(g) [cgs] 7.82 (0.03) 8.04 7.85 8.07 (0.04)
Mass [M] 0.463 (0.02) 0.61 0.481 0.627 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 4.5520 4.2890
log(H/He)
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] 15.38 (0.2) 15.63 (0.3) 15.38 15.38 (0.2) 15.63 (0.3)
Distance [pc] 65.00 (0.8) 63.96 (1) 65.00 65.00 (0.8) 63.96 (1)
Composition He
Proper motion (right ascension) [mas/yr] 2.123730155 (0.2) 2.456243661 (0.6) 2.124 (0.2) 2.456243661
Proper motion (declination) [mas/yr] -122.6525522 (0.2) -122.4871818 (0.6) -122.653 (0.2) -122.4871818
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.38 (0.06) 20.40 (0.04)
g magnitude 19.22 (0.01) 19.19 (0.01)
r magnitude 18.62 (0.009) 18.62 (0.009)
i magnitude 18.41 (0.01) 18.43 (0.01)
z magnitude 18.28 (0.03) 18.31 (0.03)
G magnitude 18.65 (0.02) 18.68 18.65 18.65 (0.003) 18.68
BP magnitude 19.06 (0.02) 19.07 19.07
RP magnitude 18.11 (0.02) 18.03 18.03
Pan g magnitude 19.14 (0.01)
Pan r magnitude 18.62 (0.01)
Pan i magnitude 18.45 (0.005)
Pan z magnitude 18.33 (0.009)
Pan y magnitude 18.37 (0.03)
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.