Gaia DR2 4175765392143386496

All names: WDJ175039.11-044833.66, Gaia DR3 4175765392143386496, Gaia DR2 4175765392143386496, Gaia EDR3 4175765392143386496, GALEX J175039.0-044833

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 17 50 39.09 (0.1) 17 50 39.09 17 50 39.09 17 50 39.11 (0.1) 17 50 39.09
Declination -04 48 34.20 (0.1) -04 48 34.18 -04 48 34.20 -04 48 33.66 (0.1) -04 48 34.18
Spectral type DC DC
Effective temperature [K] 8511.0 8251.0 7856.0 (146)
log(g) [cgs] 8.18 8.09 7.96 (0.04)
Mass [M] 0.707 0.633 0.552 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 1.1990 1.1590
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 10.35 (0.1) 10.03 (0.2) 10.35 10.35 (0.1) 10.03 (0.2)
Distance [pc] 96.60 (1) 99.67 (2) 96.60 96.60 (1) 99.67 (2)
Composition
Proper motion (right ascension) [mas/yr] -20.00785229 (0.1) -19.82078575 (0.3) -20.008 (0.1) -19.82078575
Proper motion (declination) [mas/yr] -33.45672906 (0.1) -33.68241936 (0.3) -33.457 (0.1) -33.68241936
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 17.96 (0.008) 17.99 17.96 17.96 (0.003) 17.99
BP magnitude 18.06 (0.008) 18.02 18.02
RP magnitude 17.79 (0.01) 17.78 17.78
Pan g magnitude 18.07 (0.003)
Pan r magnitude 18.02 (0.007)
Pan i magnitude 18.10 (0.003)
Pan z magnitude 18.23 (0.01)
Pan y magnitude 18.29 (0.03)
E(B-V) 0.047

* 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.