Gaia DR2 6789287561951374336

All names: Gaia DR3 6789287561951374336, Gaia EDR3 6789287561951374336, WDJ212155.31-290925.67, GALEX J212155.1-290926, Gaia DR2 6789287561951374336

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 21 21 55.14 (0.1) 21 21 55.14 21 21 55.14 21 21 55.31 (0.1) 21 21 55.14
Declination -29 09 26.35 (0.08) -29 09 26.33 -29 09 26.35 -29 09 25.67 (0.08) -29 09 26.33
Spectral type DA DA
Effective temperature [K] 6991.0 6757.0 7054.0 (94)
log(g) [cgs] 8.38 8.29 8.42 (0.02)
Mass [M] 0.838 0.761 0.863 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 3.3430 3.1580
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 19.14 (0.1) 18.99 (0.2) 19.14 19.14 (0.1) 18.99 (0.2)
Distance [pc] 52.24 (0.4) 52.66 (0.6) 52.24 52.24 (0.4) 52.66 (0.6)
Composition
Proper motion (right ascension) [mas/yr] -144.2162574 (0.1) -143.8179415 (0.3) -144.216 (0.1) -143.8179415
Proper motion (declination) [mas/yr] -42.27018637 (0.1) -42.01080134 (0.2) -42.27 (0.1) -42.01080134
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 17.61 (0.01) 17.64 17.61 17.61 (0.003) 17.64
BP magnitude 17.81 (0.01) 17.80 17.80
RP magnitude 17.30 (0.01) 17.29 17.29
Pan g magnitude 17.80 (0.004)
Pan r magnitude 17.64 (0.001)
Pan i magnitude 17.59 (0.006)
Pan z magnitude 17.69 (0.01)
Pan y magnitude 17.57 (0.03)
E(B-V) 0.002

* 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.