Gaia DR2 4511540098488317312

All names: Gaia DR2 4511540098488317312, WDJ183935.98+162257.04, Gaia EDR3 4511540098488317312, Gaia DR3 4511540098488317312, GALEX J183936.0+162256

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 39 35.96 (0.1) 18 39 35.96 18 39 35.96 18 39 35.98 (0.1) 18 39 35.96
Declination 16 22 55.33 (0.1) 16 22 55.38 16 22 55.33 16 22 57.03 (0.1) 16 22 55.38
Spectral type DA DA
Effective temperature [K] 6115.0 5862.0 6419.0 (126)
log(g) [cgs] 7.98 7.82 8.07 (0.04)
Mass [M] 0.574 0.469 0.635 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 2.0450 2.0450
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 14.45 (0.1) 14.52 (0.2) 14.45 14.45 (0.1) 14.52 (0.2)
Distance [pc] 69.18 (0.6) 68.89 (0.8) 69.18 69.18 (0.6) 68.89 (0.8)
Composition
Proper motion (right ascension) [mas/yr] -19.45520334 (0.1) -19.85942458 (0.3) -19.455 (0.1) -19.85942458
Proper motion (declination) [mas/yr] -106.573017 (0.1) -107.222169 (0.3) -106.573 (0.1) -107.222169
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 18.10 (0.02) 18.12 18.10 18.10 (0.003) 18.12
BP magnitude 18.30 (0.02) 18.32 18.32
RP magnitude 17.64 (0.02) 17.70 17.70
Pan g magnitude 18.41 (0.006)
Pan r magnitude 18.11 (0.004)
Pan i magnitude 17.99 (0.002)
Pan z magnitude 18.01 (0.01)
Pan y magnitude 17.98 (0.01)
E(B-V) 0.006

* 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.