Gaia DR2 2648753232486356096

All names: WDJ225657.44-030911.62, SDSS J225657.47-030912.7, Gaia DR2 2648753232486356096, Gaia DR3 2648753232486356096, SDSS J225657.47-030912.6, Gaia EDR3 2648753232486356096

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 22 56 57.49 (0.08) 22 56 57.49 22 56 57.49 22 56 57.44 (0.08) 22 56 57.49
Declination -03 09 13.26 (0.07) -03 09 13.21 -03 09 13.26 -03 09 11.62 (0.07) -03 09 13.21
Spectral type DA DA DA
Effective temperature [K] 8187.0 (48) 8150.0 7862.0 8277.0 (157)
log(g) [cgs] 8.18 (0.01) 8.18 8.09 8.21 (0.03)
Mass [M] 0.708 (0.01) 0.708 0.63 0.723 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 1.3530 1.3000
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] 15.68 (0.1) 15.77 (0.1) 15.68 15.68 (0.1) 15.77 (0.1)
Distance [pc] 63.78 (0.4) 63.43 (0.5) 63.78 63.78 (0.4) 63.43 (0.5)
Composition H
Proper motion (right ascension) [mas/yr] 44.1943113 (0.09) 44.09780153 (0.2) 44.194 (0.1) 44.09780153
Proper motion (declination) [mas/yr] -102.4493984 (0.09) -102.32135 (0.2) -102.449 (0.09) -102.32135
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 17.66 (0.01) 17.66 (0.01)
g magnitude 17.25 (0.005) 17.25 (0.005)
r magnitude 17.21 (0.006) 17.21 (0.006)
i magnitude 17.22 (0.007) 17.22 (0.007)
z magnitude 17.35 (0.01) 17.35 (0.01)
G magnitude 17.16 (0.009) 17.18 17.16 17.16 (0.003) 17.18
BP magnitude 17.26 (0.009) 17.27 17.27
RP magnitude 16.91 (0.01) 16.93 16.93
Pan g magnitude 17.26 (0.005)
Pan r magnitude 17.20 (0.004)
Pan i magnitude 17.26 (0.004)
Pan z magnitude 17.36 (0.004)
Pan y magnitude 17.41 (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.