Gaia DR2 2439718930832024960

All names: WDJ234254.6-063819.43, Gaia DR3 2439718930832024960, NLTT 57738, SDSS J234254.52-063820.6, PB 7852, SDSS J234254.52-063820.5, WDJ234254.60-063819.43, Gaia EDR3 2439718930832024960, LP 703-51, Gaia DR2 2439718930832024960

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 23 42 54.48 (0.2) 23 42 54.48 23 42 54.48 23 42 54.60 (0.2) 23 42 54.48
Declination -06 38 21.41 (0.1) -06 38 21.35 -06 38 21.41 -06 38 19.43 (0.1) -06 38 21.35
Spectral type DA DA
Effective temperature [K] 6591.0 6363.0 6648.0 (140)
log(g) [cgs] 7.99 7.87 8.02 (0.04)
Mass [M] 0.587 0.5 0.603 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 1.7470 1.7020
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 13.63 (0.2) 13.54 (0.2) 13.63 13.63 (0.2) 13.54 (0.2)
Distance [pc] 73.36 (0.8) 73.83 (1) 73.36 73.36 (0.8) 73.83 (1)
Composition
Proper motion (right ascension) [mas/yr] -115.2162777 (0.2) -114.1666879 (0.5) -115.216 (0.2) -114.1666879
Proper motion (declination) [mas/yr] -123.9437882 (0.1) -123.6409084 (0.2) -123.944 (0.1) -123.6409084
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.84 (0.02) 18.84 (0.02)
g magnitude 18.23 (0.007) 18.23 (0.007)
r magnitude 18.00 (0.007) 18.00 (0.007)
i magnitude 17.92 (0.008) 17.92 (0.008)
z magnitude 17.95 (0.02) 17.95 (0.02)
G magnitude 17.98 (0.02) 18.00 17.98 17.98 (0.003) 18.00
BP magnitude 18.21 (0.02) 18.19 18.19
RP magnitude 17.61 (0.02) 17.60 17.60
Pan g magnitude 18.22 (0.003)
Pan r magnitude 18.00 (0.004)
Pan i magnitude 17.94 (0.007)
Pan z magnitude 17.96 (0.01)
Pan y magnitude 17.98 (0.02)
E(B-V) 0.003

* 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.