Gaia DR2 478735922607634560

All names: Gaia DR3 478735922607634560, Gaia DR2 478735922607634560, WDJ045416.67+633532.53, WDJ045416.67+633532.52, Gaia EDR3 478735922607634560

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 54 16.86 (0.1) 04 54 16.85 04 54 16.86 04 54 16.67 (0.1) 04 54 16.85
Declination 63 35 29.35 (0.1) 63 35 29.45 63 35 29.35 63 35 32.54 (0.1) 63 35 29.45
Spectral type DC DC
Effective temperature [K] 4966.0 4649.0 5090.0 (52)
log(g) [cgs] 8.08 7.86 8.14 (0.03)
Mass [M] 0.628 0.488 0.668 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 6.7140 5.2310
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 20.13 (0.1) 20.17 (0.2) 20.13 20.13 (0.1) 20.17 (0.2)
Distance [pc] 49.69 (0.4) 49.57 (0.5) 49.69 49.69 (0.4) 49.57 (0.5)
Composition
Proper motion (right ascension) [mas/yr] 79.79750159 (0.1) 79.808872 (0.3) 79.798 (0.1) 79.808872
Proper motion (declination) [mas/yr] -199.2873496 (0.1) -198.8314918 (0.3) -199.287 (0.1) -198.8314918
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 18.46 (0.02) 18.48 18.46 18.46 (0.003) 18.48
BP magnitude 18.95 (0.02) 18.95 18.95
RP magnitude 17.85 (0.01) 17.83 17.83
Pan g magnitude 19.07 (0.01)
Pan r magnitude 18.43 (0.009)
Pan i magnitude 18.19 (0.004)
Pan z magnitude 18.12 (0.006)
Pan y magnitude 18.03 (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.