Gaia DR2 2977377569898585344

All names: Gaia DR3 2977377569898585344, WDJ043925.11-201608.46, J0439-2016, Gaia DR2 2977377569898585344, Gaia EDR3 2977377569898585344

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Bergeron et al. 2022 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 04 39 25.19 (0.08) 04 39 25.18 04 39 25.19 04 39 25.11 (0.08) 04 39 25.18
Declination -20 16 07.05 (0.09) -20 16 07.09 -20 16 07.05 -20 16 08.46 (0.09) -20 16 07.09
Spectral type DC DA: DA
Effective temperature [K] 4333.0 (30) 6103.0 5880.0 5840.0 (73)
log(g) [cgs] 8.61 8.50 8.49 (0.02)
Mass [M] 0.451 (0.007) 0.983 0.897 0.904 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 5.4020 5.3010 5.5030
log(H/He) -2.49
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 19.72 (0.1) 19.62 (0.2) 19.72 19.72 (0.1) 19.62 (0.2)
Distance [pc] 50.71 (0.3) 50.98 (0.4) 50.71 50.71 (0.3) 50.98 (0.4)
Composition
Proper motion (right ascension) [mas/yr] 71.33571249 (0.1) 71.10422558 (0.2) 71.336 (0.1) 71.10422558
Proper motion (declination) [mas/yr] 88.05310712 (0.1) 88.39368223 (0.2) 88.053 (0.1) 88.39368223
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 18.38 (0.02) 18.40 18.38 18.38 (0.003) 18.40
BP magnitude 18.74 (0.02) 18.71 18.71
RP magnitude 17.88 (0.01) 17.87 17.87
Pan g magnitude 18.82 (0.02)
Pan r magnitude 18.30 (0.003)
Pan i magnitude 18.15 (0.002)
Pan z magnitude 18.27 (0.009)
Pan y magnitude 18.48 (0.02)
E(B-V) 0.000

* 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.