Gaia DR2 4509286408895082496

All names: GALEX J182827.8+134906, Gaia EDR3 4509286408895082496, WDJ182827.81+134905.37, Gaia DR2 4509286408895082496, Gaia DR3 4509286408895082496

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 28 27.88 (0.08) 18 28 27.88 18 28 27.88 18 28 27.81 (0.08) 18 28 27.88
Declination 13 49 05.45 (0.09) 13 49 05.44 13 49 05.45 13 49 05.37 (0.09) 13 49 05.44
Spectral type DA DA
Effective temperature [K] 7256.0 6989.0 7370.0 (119)
log(g) [cgs] 7.98 7.87 8.01 (0.03)
Mass [M] 0.581 0.497 0.599 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 1.3530 1.3190
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 11.85 (0.1) 11.89 (0.1) 11.85 11.85 (0.1) 11.89 (0.1)
Distance [pc] 84.36 (0.7) 84.08 (1) 84.36 84.36 (0.7) 84.08 (1)
Composition
Proper motion (right ascension) [mas/yr] 59.69842183 (0.1) 59.32745767 (0.3) 59.698 (0.1) 59.32745767
Proper motion (declination) [mas/yr] 4.77374325 (0.1) 4.67851313 (0.3) 4.774 (0.1) 4.67851313
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 17.88 (0.008) 17.90 17.88 17.88 (0.003) 17.90
BP magnitude 18.07 (0.008) 18.09 18.09
RP magnitude 17.60 (0.01) 17.60 17.60
Pan g magnitude 18.06 (0.004)
Pan r magnitude 17.92 (0.003)
Pan i magnitude 17.92 (0.007)
Pan z magnitude 17.96 (0.005)
Pan y magnitude 18.03 (0.008)
E(B-V) 0.013

* 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.