Gaia DR2 4520056606339200640

All names: Gaia DR3 4520056606339200640, Gaia EDR3 4520056606339200640, WDJ191228.71+214831.76, Gaia DR2 4520056606339200640

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 12 28.80 (0.07) 19 12 28.80 19 12 28.80 19 12 28.71 (0.07) 19 12 28.80
Declination 21 48 33.21 (0.09) 21 48 33.16 21 48 33.21 21 48 31.76 (0.09) 21 48 33.16
Spectral type DQ DQ
Effective temperature [K] 4060.0 3881.0 5636.0 (19)
log(g) [cgs] 7.40 7.20 8.39 (0.01)
Mass [M] 0.28 0.21 0.823 (0.009)
log(Luminosity) [L]
Cooling age [Gyr] 3.4350 2.9740
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 20.62 (0.1) 20.65 (0.2) 20.62 20.62 (0.1) 20.65 (0.2)
Distance [pc] 48.50 (0.3) 48.42 (0.4) 48.50 48.50 (0.3) 48.42 (0.4)
Composition
Proper motion (right ascension) [mas/yr] 82.21680554 (0.1) 82.08138859 (0.2) 82.217 (0.1) 82.08138859
Proper motion (declination) [mas/yr] 90.82848234 (0.1) 90.50435669 (0.3) 90.828 (0.1) 90.50435669
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 18.41 (0.02) 18.44 18.41 18.41 (0.003) 18.44
BP magnitude 19.09 (0.02) 19.06 19.06
RP magnitude 17.64 (0.005) 17.65 17.65
Pan g magnitude 19.53 (0.02)
Pan r magnitude 18.34 (0.002)
Pan i magnitude 17.98 (0.004)
Pan z magnitude 17.96 (0.005)
Pan y magnitude 17.94 (0.005)
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.