Gaia DR2 4219430950253674496

All names: WDJ202658.40-035120.17, Gaia EDR3 4219430950253674496, Gaia DR2 4219430950253674496, WDJ202658.4-035120.17, Gaia DR3 4219430950253674496

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 20 26 58.51 (0.09) 20 26 58.51 20 26 58.51 20 26 58.40 (0.09) 20 26 58.51
Declination -03 51 19.67 (0.07) -03 51 19.69 -03 51 19.67 -03 51 20.17 (0.07) -03 51 19.69
Spectral type DC D
Effective temperature [K] 7360.0 7084.0 6831.0 (113)
log(g) [cgs] 8.23 8.13 8.03 (0.03)
Mass [M] 0.738 0.654 0.595 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 2.0050 1.8900
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 15.19 (0.1) 15.01 (0.2) 15.19 15.19 (0.1) 15.01 (0.2)
Distance [pc] 65.82 (0.5) 66.61 (0.7) 65.82 65.82 (0.5) 66.61 (0.7)
Composition
Proper motion (right ascension) [mas/yr] 103.7569883 (0.1) 103.9511211 (0.2) 103.757 (0.1) 103.9511211
Proper motion (declination) [mas/yr] 31.45409425 (0.09) 31.48697521 (0.2) 31.454 (0.09) 31.48697521
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 17.69 (0.009) 17.71 17.69 17.69 (0.003) 17.71
BP magnitude 17.86 (0.009) 17.84 17.84
RP magnitude 17.39 (0.009) 17.38 17.38
Pan g magnitude 17.87 (0.004)
Pan r magnitude 17.71 (0.007)
Pan i magnitude 17.72 (0.004)
Pan z magnitude 17.78 (0.005)
Pan y magnitude 17.86 (0.007)
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.