Gaia DR2 2251172954619615488

All names: Gaia DR2 2251172954619615488, WDJ194936.61+700201.58, Gaia DR3 2251172954619615488, Gaia EDR3 2251172954619615488

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 19 49 36.55 (0.09) 19 49 36.55 19 49 36.55 19 49 36.61 (0.09) 19 49 36.55
Declination 70 02 01.82 (0.1) 70 02 01.82 70 02 01.82 70 02 01.59 (0.1) 70 02 01.82
Spectral type DC: DC
Effective temperature [K] 5024.0 4708.0 5059.0 (58)
log(g) [cgs] 7.86 7.63 7.90 (0.03)
Mass [M] 0.496 0.37 0.52 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 3.8860 3.1820
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 20.27 (0.09) 20.09 (0.1) 20.27 20.27 (0.09) 20.09 (0.1)
Distance [pc] 49.32 (0.2) 49.77 (0.3) 49.32 49.32 (0.2) 49.77 (0.3)
Composition
Proper motion (right ascension) [mas/yr] -18.53660529 (0.1) -18.04855144 (0.3) -18.537 (0.1) -18.04855144
Proper motion (declination) [mas/yr] 14.6482789 (0.1) 15.125237 (0.3) 14.648 (0.1) 15.125237
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 18.14 (0.02) 18.16 18.14 18.14 (0.003) 18.16
BP magnitude 18.63 (0.02) 18.63 18.63
RP magnitude 17.52 (0.01) 17.52 17.52
Pan g magnitude 18.71 (0.007)
Pan r magnitude 18.09 (0.006)
Pan i magnitude 17.86 (0.007)
Pan z magnitude 17.78 (0.007)
Pan y magnitude 17.73 (0.01)
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.