Gaia DR2 4521632824961961728

All names: Gaia DR3 4521632824961961728, Gaia EDR3 4521632824961961728, Gaia DR2 4521632824961961728, WDJ182138.99+144158.19

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 18 21 39.04 (0.02) 18 21 39.04 18 21 39.04 18 21 38.99 (0.02) 18 21 39.04
Declination 14 41 57.30 (0.02) 14 41 57.33 14 41 57.30 14 41 58.19 (0.02) 14 41 57.33
Spectral type DB D
Effective temperature [K] 16364.0 18563.0 18289.0 (253)
log(g) [cgs] 7.64 7.88 7.88 (0.01)
Mass [M] 0.434 0.53 0.527 (0.01)
log(Luminosity) [L]
Cooling age [Gyr] 0.0812 0.0737
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 11.13 (0.04) 10.97 (0.06) 11.13 11.13 (0.04) 10.97 (0.06)
Distance [pc] 89.81 (0.3) 91.13 (0.5) 89.81 89.81 (0.3) 91.13 (0.5)
Composition
Proper motion (right ascension) [mas/yr] 43.18499135 (0.03) 43.38504219 (0.1) 43.185 (0.03) 43.38504219
Proper motion (declination) [mas/yr] -55.80260147 (0.03) -55.63349869 (0.1) -55.803 (0.03) -55.63349869
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 15.40 (0.001) 15.42 15.40 15.40 (0.003) 15.42
BP magnitude 15.32 (0.001) 15.29 15.29
RP magnitude 15.55 (0.002) 15.55 15.55
Pan g magnitude 15.28 (0.003)
Pan r magnitude 15.61 (0.002)
Pan i magnitude 15.89 (0.003)
Pan z magnitude 16.13 (0.003)
Pan y magnitude 16.29 (0.007)
E(B-V) 0.020

* 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.