WD 0421+037

All names: GALEX J042416.1+034852, Gaia DR3 3283695019702820736, Gaia EDR3 3283695019702820736, USNO-B1.0 0938-00053793, Gaia DR2 3283695019702820736, HS 0421+0342, WD 0421+037

Parameter Unit Gaia EDR3 Gaia DR2 Stilism Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999)
Right ascension 04 24 16.10 (0.07) 04 24 16.10 (0.1) 04 24 16.10 04 24 16.12 (0.07) 04 24 15.74
Declination 03 48 51.79 (0.05) 03 48 51.81 (0.06) 03 48 51.79 03 48 52.42 (0.05) 03 48 51.84
Spectral type DA DA DA1.6
Effective temperature [K] 26152.0 (626)
log(g) [cgs] 7.66 (0.03)
Mass [M] 0.473 (0.02)
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 4.17 (0.07) 4.22 (0.1) 4.17 4.17 (0.07)
Distance [pc] 240.02 (4) 236.87 (6) 240.02 240.03 (4)
Composition
Proper motion (right ascension) [mas/yr] -18.59565192 (0.08) -17.78139396 (0.2) -18.596 (0.08)
Proper motion (declination) [mas/yr] -39.61697573 (0.06) -39.76141316 (0.1) -39.617 (0.06)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 16.50
V magnitude
R magnitude 16.90
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 16.82 (0.005) 16.84 16.82 16.82 (0.003)
BP magnitude 16.73 (0.005) 16.67
RP magnitude 16.98 (0.007) 16.97
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.082

* 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.