Gaia DR2 196617731593326976

All names: J0555+4430, WDJ055521.51+443020.34, Gaia DR3 196617731593326976, SDSS J055521.51+443020.2, SDSS J055521.50+443020.1, Gaia DR2 196617731593326976, Gaia EDR3 196617731593326976

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 05 55 21.58 (0.2) 05 55 21.58 05 55 21.58 05 55 21.51 (0.2) 05 55 21.58
Declination 44 30 17.07 (0.2) 44 30 17.17 44 30 17.07 44 30 20.33 (0.2) 44 30 17.17
Spectral type DC DC DC DA DC
Effective temperature [K] 5848.0 (46) 5724.0 (44) 5570.0 (44) 6121.0 5868.0 6058.0 (104)
log(g) [cgs] 7.88 (0.03) 7.90 (0.03) 7.79 (0.03) 8.13 7.99 7.99 (0.04)
Mass [M] 0.499 (0.02) 0.51 (0.02) 0.451 (0.02) 0.67 0.562 0.58 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 2.6300 2.9380 2.7880
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] 13.33 (0.2) 14.18 (0.2) 14.18 (0.2) 13.33 13.33 (0.2) 14.18 (0.2)
Distance [pc] 75.01 (1) 70.52 (1) 70.50 (1) 75.01 75.01 (1) 70.50 (1)
Composition He He
Proper motion (right ascension) [mas/yr] 48.30016528 (0.3) 50.9291787 (0.4) 48.3 (0.3) 50.9291787
Proper motion (declination) [mas/yr] -204.0210487 (0.2) -204.7407734 (0.4) -204.021 (0.2) -204.7407734
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 17.32 (0.03)
H magnitude
K magnitude
u magnitude 19.55 (0.05) 19.57 (0.05) 19.57 (0.05)
g magnitude 18.70 (0.01) 18.70 (0.01)
r magnitude 18.36 (0.01) 18.36 (0.01)
i magnitude 18.25 (0.01) 18.25 (0.01)
z magnitude 18.31 (0.03) 18.31 (0.03)
G magnitude 18.38 (0.03) 18.39 18.38 18.38 (0.004) 18.39
BP magnitude 18.62 (0.03) 18.64 18.64
RP magnitude 17.90 (0.02) 17.95 17.95
Pan g magnitude 18.68 (0.01) 18.68 (0.009)
Pan r magnitude 18.37 (0.008) 18.37 (0.009)
Pan i magnitude 18.23 (0.004) 18.23 (0.004)
Pan z magnitude 18.25 (0.01) 18.25 (0.009)
Pan y magnitude 18.29 (0.02) 18.29 (0.02)
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.