Gaia DR2 389634764466374784

All names: WDJ004519.33+453445.40, Gaia DR2 389634764466374784, Gaia DR3 389634764466374784, GALEX J004519.4+453445, Gaia EDR3 389634764466374784

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 00 45 19.51 (0.04) 00 45 19.51 00 45 19.51 00 45 19.33 (0.04) 00 45 19.51
Declination 45 34 44.45 (0.03) 45 34 44.48 45 34 44.45 45 34 45.40 (0.04) 45 34 44.48
Spectral type DA DA
Effective temperature [K] 11535.0 12242.0 12081.0 (141)
log(g) [cgs] 7.90 7.91 7.97 (0.01)
Mass [M] 0.549 0.535 0.59 (0.009)
log(Luminosity) [L]
Cooling age [Gyr] 0.3666 0.3204
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 10.76 (0.05) 10.66 (0.09) 10.76 10.76 (0.05) 10.66 (0.09)
Distance [pc] 92.97 (0.4) 93.79 (0.8) 92.97 92.97 (0.4) 93.79 (0.8)
Composition
Proper motion (right ascension) [mas/yr] 120.4490263 (0.05) 120.5388699 (0.1) 120.449 (0.05) 120.5388699
Proper motion (declination) [mas/yr] -59.35024793 (0.04) -59.42065846 (0.2) -59.35 (0.04) -59.42065846
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 16.48 (0.003) 16.50 16.48 16.48 (0.003) 16.50
BP magnitude 16.50 (0.003) 16.49 16.49
RP magnitude 16.51 (0.005) 16.50 16.50
Pan g magnitude 16.44 (0.005)
Pan r magnitude 16.59 (0.002)
Pan i magnitude 16.81 (0.003)
Pan z magnitude 17.04 (0.007)
Pan y magnitude 17.15 (0.01)
E(B-V) 0.007

* 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.