Gaia DR2 89987639390218496

All names: WDJ023821.62+235824.82, WDJ023821.62+235824.81, Gaia DR3 89987639390218496, Gaia EDR3 89987639390218496, Gaia DR2 89987639390218496

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 02 38 21.73 (0.1) 02 38 21.72 02 38 21.73 02 38 21.62 (0.1) 02 38 21.72
Declination 23 58 25.92 (0.1) 23 58 25.89 23 58 25.92 23 58 24.82 (0.1) 23 58 25.89
Spectral type DA: DA
Effective temperature [K] 5144.0 4829.0 5141.0 (59)
log(g) [cgs] 7.95 7.73 7.93 (0.03)
Mass [M] 0.549 0.418 0.542 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 4.2650 3.5500
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 23.63 (0.1) 23.67 (0.1) 23.63 23.63 (0.1) 23.67 (0.1)
Distance [pc] 42.31 (0.2) 42.25 (0.3) 42.31 42.31 (0.2) 42.25 (0.3)
Composition
Proper motion (right ascension) [mas/yr] 92.18032043 (0.1) 92.23822727 (0.3) 92.18 (0.1) 92.23822727
Proper motion (declination) [mas/yr] 69.20427467 (0.1) 69.21723191 (0.2) 69.204 (0.1) 69.21723191
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 17.78 (0.02) 17.80 17.78 17.78 (0.003) 17.80
BP magnitude 18.25 (0.02) 18.28 18.28
RP magnitude 17.19 (0.009) 17.16 17.16
Pan g magnitude 18.31 (0.007)
Pan r magnitude 17.76 (0.006)
Pan i magnitude 17.54 (0.008)
Pan z magnitude 17.44 (0.005)
Pan y magnitude 17.40 (0.01)
E(B-V) 0.001

* 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.