Gaia DR2 2267640688162618624

All names: GALEX J185115.9+730136, Gaia DR2 2267640688162618624, Gaia DR3 2267640688162618624, WDJ185115.82+730136.34, Gaia EDR3 2267640688162618624

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 51 16.04 (0.04) 18 51 16.03 18 51 16.04 18 51 15.82 (0.04) 18 51 16.03
Declination 73 01 36.17 (0.04) 73 01 36.17 73 01 36.17 73 01 36.35 (0.04) 73 01 36.17
Spectral type DC D
Effective temperature [K] 8431.0 8144.0 7712.0 (62)
log(g) [cgs] 8.25 8.16 7.98 (0.01)
Mass [M] 0.751 0.675 0.562 (0.01)
log(Luminosity) [L]
Cooling age [Gyr] 1.3720 1.3180
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 21.62 (0.04) 21.60 (0.05) 21.62 21.62 (0.04) 21.60 (0.05)
Distance [pc] 46.26 (0.08) 46.29 (0.1) 46.26 46.26 (0.08) 46.29 (0.1)
Composition
Proper motion (right ascension) [mas/yr] 60.92333487 (0.05) 60.97228935 (0.09) 60.923 (0.05) 60.97228935
Proper motion (declination) [mas/yr] -11.26535564 (0.05) -11.17305644 (0.1) -11.265 (0.05) -11.17305644
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 16.44 (0.004) 16.46 16.44 16.44 (0.003) 16.46
BP magnitude 16.55 (0.004) 16.54 16.54
RP magnitude 16.25 (0.004) 16.25 16.25
Pan g magnitude 16.55 (0.003)
Pan r magnitude 16.49 (0.002)
Pan i magnitude 16.58 (0.003)
Pan z magnitude 16.68 (0.003)
Pan y magnitude 16.76 (0.007)
E(B-V) 0.004

* 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.