Gaia DR2 4010090670831602432

All names: USNO-B1.0 1186-00196959, Gaia EDR3 4010090670831602432, WDJ122546.87+283606.96, J1225+2836, Gaia DR2 4010090670831602432, LSPM J1225+2836W, SDSS J122546.84+283605.6, WDJ122546.87+283606.95, Gaia DR3 4010090670831602432

Parameter Unit Gaia EDR3 Pan-STARRS DR1 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 12 25 46.77 (0.2) 12 25 46.77 12 25 46.77 12 25 46.87 (0.2) 12 25 46.77
Declination 28 36 02.83 (0.1) 28 36 02.95 28 36 02.83 28 36 06.96 (0.1) 28 36 02.95
Spectral type DC DC DA DC
Effective temperature [K] 5881.0 (40) 5768.0 (53) 6392.0 6145.0 6407.0 (165)
log(g) [cgs] 7.94 (0.03) 7.86 (0.03) 8.20 8.07 8.20 (0.05)
Mass [M] 0.535 (0.02) 0.49 (0.03) 0.716 0.616 0.717 (0.04)
log(Luminosity) [L]
Cooling age [Gyr] 2.4800 3.0130 2.6800
log(H/He) -3.0 -3
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] 12.50 (0.2) 12.53 (0.3) 12.53 (0.3) 12.50 12.50 (0.2) 12.53 (0.3)
Distance [pc] 80.00 (1) 79.81 (2) 79.80 (2) 80.00 80.00 (1) 79.80 (2)
Composition He
Proper motion (right ascension) [mas/yr] -87.31468621 (0.2) -86.78963419 (0.4) -87.315 (0.2) -86.78963419
Proper motion (declination) [mas/yr] -258.3206454 (0.2) -258.3789531 (0.4) -258.321 (0.2) -258.3789531
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 18.70
V magnitude
R magnitude 18.90
I magnitude
J magnitude 17.82 (0.03)
H magnitude 17.70 (0.06)
K magnitude 17.97 (0.1)
u magnitude 19.71 (0.04) 19.70 (0.04) 19.70 (0.04)
g magnitude 18.86 (0.009) 18.86 (0.009)
r magnitude 18.57 (0.009) 18.57 (0.009)
i magnitude 18.47 (0.01) 18.47 (0.01)
z magnitude 18.47 (0.03) 18.47 (0.03)
G magnitude 18.57 (0.02) 18.59 18.57 18.57 (0.003) 18.59
BP magnitude 18.86 (0.02) 18.86 18.86
RP magnitude 18.19 (0.02) 18.15 18.15
Pan g magnitude 18.84 (0.01) 18.84 (0.01)
Pan r magnitude 18.56 (0.005) 18.56 (0.006)
Pan i magnitude 18.48 (0.004) 18.48 (0.004)
Pan z magnitude 18.51 (0.01) 18.51 (0.01)
Pan y magnitude 18.53 (0.01) 18.53 (0.01)
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.