Gaia DR2 6404622044584454656

All names: WT 915, LEHPM 4587, Gaia DR2 6404622044584454656, Gaia EDR3 6404622044584454656, WDJ222054.99-641432.53, Gaia DR3 6404622044584454656, WDJ222054.99-641432.52

Parameter Unit Gaia EDR3 Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 22 20 54.24 (0.08) 22 20 54.26 22 20 54.24 22 20 54.99 (0.07) 22 20 54.26
Declination -64 14 32.29 (0.09) -64 14 32.30 -64 14 32.29 -64 14 32.53 (0.09) -64 14 32.30
Spectral type DC DC
Effective temperature [K] 5095.0 (46)
log(g) [cgs] 8.05 (0.02)
Mass [M] 0.611 (0.02)
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 20.45 (0.1) 20.43 (0.2) 20.45 20.45 (0.1) 20.43 (0.2)
Distance [pc] 48.89 (0.3) 48.96 (0.4) 48.89 48.89 (0.3) 48.96 (0.4)
Composition
Proper motion (right ascension) [mas/yr] -307.1945087 (0.09) -307.1431798 (0.2) -307.195 (0.09) -307.1431798
Proper motion (declination) [mas/yr] 14.58129713 (0.1) 14.79202334 (0.3) 14.581 (0.1) 14.79202334
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 18.50
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 18.29 (0.02) 18.32 18.29 18.29 (0.003) 18.32
BP magnitude 18.74 (0.02) 18.79 18.79
RP magnitude 17.69 (0.01) 17.68 17.68
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.003

* 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.