Gaia DR2 3229556024930689024

All names: Gaia EDR3 3229556024930689024, Gaia DR3 3229556024930689024, SDSS J044157.93-004255.6, J0441-0042, SDSS J044157.94-004255.7, Gaia DR2 3229556024930689024, WDJ044157.94-004255.84, WDJ044157.94-004255.85

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 04 41 57.92 (0.1) 04 41 57.92 04 41 57.92 04 41 57.94 (0.1) 04 41 57.92
Declination -00 42 57.81 (0.07) -00 42 57.75 -00 42 57.81 -00 42 55.85 (0.07) -00 42 57.75
Spectral type DC DC DC DA DC
Effective temperature [K] 5818.0 (33) 5813.0 (32) 5527.0 (32) 6024.0 5769.0 6207.0 (82)
log(g) [cgs] 7.87 (0.02) 7.86 (0.02) 7.66 (0.03) 8.00 7.84 8.07 (0.03)
Mass [M] 0.498 (0.01) 0.489 (0.02) 0.387 (0.02) 0.59 0.481 0.632 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 2.3300 2.2320 2.2560
log(H/He) -5
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] 14.04 (0.2) 13.99 (0.2) 13.99 (0.2) 14.04 14.04 (0.2) 13.99 (0.2)
Distance [pc] 71.21 (0.8) 71.48 (1) 71.47 (1) 71.21 71.21 (0.8) 71.47 (1)
Composition He He
Proper motion (right ascension) [mas/yr] -19.3491989 (0.2) -19.39728929 (0.4) -19.349 (0.2) -19.39728929
Proper motion (declination) [mas/yr] -122.7113135 (0.1) -122.9774385 (0.3) -122.711 (0.1) -122.9774385
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 17.37 (0.03)
H magnitude
K magnitude 17.09 (0.09)
u magnitude 19.46 (0.03) 19.48 (0.03) 19.44 (0.03)
g magnitude 18.61 (0.008) 18.64 (0.009)
r magnitude 18.29 (0.008) 18.26 (0.008)
i magnitude 18.18 (0.009) 18.15 (0.009)
z magnitude 18.17 (0.02) 18.12 (0.03)
G magnitude 18.27 (0.02) 18.30 18.27 18.27 (0.003) 18.30
BP magnitude 18.52 (0.02) 18.51 18.51
RP magnitude 17.82 (0.01) 17.82 17.82
Pan g magnitude 18.60 (0.007) 18.60 (0.006)
Pan r magnitude 18.27 (0.006) 18.27 (0.006)
Pan i magnitude 18.17 (0.005) 18.17 (0.005)
Pan z magnitude 18.16 (0.006) 18.16 (0.009)
Pan y magnitude 18.14 (0.01) 18.14 (0.02)
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.