Gaia DR2 4504771230051684224

All names: Gaia DR2 4504771230051684224, WDJ184125.66+112131.54, WDJ184125.66+112131.55, Gaia EDR3 4504771230051684224, Gaia DR3 4504771230051684224

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 41 25.62 (0.03) 18 41 25.62 18 41 25.62 18 41 25.66 (0.03) 18 41 25.62
Declination 11 21 29.64 (0.03) 11 21 29.70 11 21 29.64 11 21 31.55 (0.03) 11 21 29.70
Spectral type DA DA
Effective temperature [K] 8892.0 8719.0 9004.0 (54)
log(g) [cgs] 7.99 7.91 8.02 (0.01)
Mass [M] 0.59 0.524 0.607 (0.009)
log(Luminosity) [L]
Cooling age [Gyr] 0.8033 0.7898
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 19.75 (0.04) 19.71 (0.06) 19.75 19.75 (0.04) 19.71 (0.06)
Distance [pc] 50.63 (0.1) 50.73 (0.1) 50.63 50.63 (0.1) 50.73 (0.1)
Composition
Proper motion (right ascension) [mas/yr] -39.61303969 (0.04) -39.64308685 (0.09) -39.613 (0.04) -39.64308685
Proper motion (declination) [mas/yr] -119.2896507 (0.04) -119.1598264 (0.1) -119.29 (0.04) -119.1598264
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 16.07 (0.002) 16.09 16.07 16.07 (0.003) 16.09
BP magnitude 16.16 (0.002) 16.15 16.15
RP magnitude 15.90 (0.002) 15.91 15.91
Pan g magnitude 16.12 (0.006)
Pan r magnitude 16.17 (0.003)
Pan i magnitude 16.24 (0.001)
Pan z magnitude 16.35 (0.005)
Pan y magnitude 16.44 (0.004)
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.