Gaia DR2 6407197852445440

All names: Gaia DR2 6407197852445440, Gaia DR3 6407197852445440, WDJ025012.49+055008.02, SDSS J025012.47+055007.8, Gaia EDR3 6407197852445440, WDJ025012.49+055008.01

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 02 50 12.44 (0.07) 02 50 12.44 02 50 12.44 02 50 12.49 (0.07) 02 50 12.44
Declination 05 50 07.56 (0.06) 05 50 07.57 05 50 07.56 05 50 08.01 (0.06) 05 50 07.57
Spectral type DBA DB D
Effective temperature [K] 11676.0 (124) 11540.0 11947.0 12267.0 (229)
log(g) [cgs] 8.16 (0.01) 8.24 8.21 8.25 (0.02)
Mass [M] 0.681 (0.01) 0.751 0.716 0.739 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 0.5876 0.5410
log(H/He) -5.0
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 10.78 (0.07) 10.78 (0.1) 10.78 10.78 (0.07) 10.78 (0.1)
Distance [pc] 92.74 (0.6) 92.76 (0.9) 92.74 92.74 (0.6) 92.76 (0.9)
Composition
Proper motion (right ascension) [mas/yr] -43.00805765 (0.09) -43.22788927 (0.2) -43.008 (0.09) -43.22788927
Proper motion (declination) [mas/yr] -28.39154023 (0.08) -28.63399474 (0.2) -28.392 (0.08) -28.63399474
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 16.88 (0.008) 16.88 (0.008)
g magnitude 16.87 (0.005) 16.87 (0.005)
r magnitude 17.06 (0.006) 17.06 (0.006)
i magnitude 17.25 (0.007) 17.25 (0.007)
z magnitude 17.47 (0.01) 17.47 (0.01)
G magnitude 16.94 (0.005) 16.97 16.94 16.94 (0.003) 16.97
BP magnitude 16.94 (0.005) 16.91 16.91
RP magnitude 16.95 (0.009) 16.96 16.96
Pan g magnitude 16.91 (0.006)
Pan r magnitude 17.06 (0.0004)
Pan i magnitude 17.28 (0.003)
Pan z magnitude 17.47 (0.006)
Pan y magnitude 17.60 (0.007)
E(B-V) 0.005

* 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.