Gaia DR2 4550937970929059328

All names: Gaia DR2 4550937970929059328, Gaia DR3 4550937970929059328, Gaia EDR3 4550937970929059328, WDJ175031.39+173849.51, WDJ175031.39+173849.50

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 31.23 (0.2) 17 50 31.23 17 50 31.23 17 50 31.39 (0.2) 17 50 31.23
Declination 17 38 47.97 (0.2) 17 38 48.02 17 38 47.97 17 38 49.47 (0.2) 17 38 48.02
Spectral type DC: DC
Effective temperature [K] 4568.0 4253.0 4536.0 (117)
log(g) [cgs] 7.80 7.54 7.86 (0.07)
Mass [M] 0.461 0.331 0.492 (0.06)
log(Luminosity) [L]
Cooling age [Gyr] 5.0830 3.6660
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 12.05 (0.4) 11.39 (0.5) 12.05 12.05 (0.4) 11.39 (0.5)
Distance [pc] 82.98 (2) 87.82 (3) 82.98 82.98 (2) 87.82 (3)
Composition
Proper motion (right ascension) [mas/yr] -146.9442027 (0.3) -147.0225449 (0.6) -146.944 (0.3) -147.0225449
Proper motion (declination) [mas/yr] -94.04430859 (0.3) -96.1690803 (0.9) -94.044 (0.3) -96.1690803
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 19.74 (0.04) 19.78 19.74 19.74 (0.004) 19.78
BP magnitude 20.37 (0.04) 20.25 20.25
RP magnitude 19.04 (0.02) 19.05 19.05
Pan g magnitude 20.50 (0.01)
Pan r magnitude 19.72 (0.005)
Pan i magnitude 19.41 (0.007)
Pan z magnitude 19.27 (0.01)
Pan y magnitude 19.23 (0.04)
E(B-V) 0.017

* 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.