Gaia DR2 3309663491486629248

All names: WDJ044026.45+150203.72, Gaia DR2 3309663491486629248, GALEX J044026.4+150204, Gaia EDR3 3309663491486629248, Gaia DR3 3309663491486629248

Parameter Unit Gaia EDR3 Pan-STARRS DR1 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 04 40 26.50 (0.08) 04 40 26.50 04 40 26.50 04 40 26.45 (0.08) 04 40 26.50
Declination 15 02 04.25 (0.04) 15 02 04.23 15 02 04.25 15 02 03.72 (0.04) 15 02 04.23
Spectral type DA DA
Effective temperature [K] 7933.0 7650.0 7845.0 (83)
log(g) [cgs] 8.05 7.95 8.00 (0.02)
Mass [M] 0.624 0.545 0.592 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 1.1760 1.1660
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 12.35 (0.1) 12.57 (0.1) 12.35 12.35 (0.1) 12.57 (0.1)
Distance [pc] 80.94 (0.6) 79.58 (0.9) 80.94 80.94 (0.6) 79.58 (0.9)
Composition
Proper motion (right ascension) [mas/yr] 38.18208868 (0.1) 38.57801808 (0.3) 38.182 (0.1) 38.57801808
Proper motion (declination) [mas/yr] 32.78295971 (0.07) 32.7997677 (0.1) 32.783 (0.07) 32.7997677
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 17.54 (0.006) 17.56 17.54 17.54 (0.003) 17.56
BP magnitude 17.69 (0.006) 17.68 17.68
RP magnitude 17.30 (0.009) 17.30 17.30
Pan g magnitude 17.66 (0.01)
Pan r magnitude 17.60 (0.004)
Pan i magnitude 17.62 (0.007)
Pan z magnitude 17.71 (0.01)
Pan y magnitude 17.78 (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.