Gaia DR2 4323318787437857664

All names: Gaia EDR3 4323318787437857664, WDJ193022.93+182322.69, Gaia DR2 4323318787437857664, Gaia DR3 4323318787437857664

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 30 23.01 (0.1) 19 30 23.01 19 30 23.01 19 30 22.93 (0.1) 19 30 23.01
Declination 18 23 23.19 (0.2) 18 23 23.18 18 23 23.19 18 23 22.69 (0.2) 18 23 23.18
Spectral type DC DC
Effective temperature [K] 6805.0 6570.0 5688.0 (303)
log(g) [cgs] 8.38 8.28 8.01 (0.07)
Mass [M] 0.834 0.752 0.575 (0.06)
log(Luminosity) [L]
Cooling age [Gyr] 3.5440 3.3800
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 10.20 (0.2) 10.29 (0.3) 10.20 10.20 (0.2) 10.29 (0.3)
Distance [pc] 98.03 (2) 97.19 (3) 98.03 98.03 (2) 97.19 (3)
Composition
Proper motion (right ascension) [mas/yr] 73.28584079 (0.2) 73.26996135 (0.4) 73.286 (0.2) 73.26996135
Proper motion (declination) [mas/yr] 31.27517522 (0.2) 31.23140313 (0.4) 31.275 (0.2) 31.23140313
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 19.01 (0.03) 19.03 19.01 19.01 (0.004) 19.03
BP magnitude 19.32 (0.03) 19.26 19.26
RP magnitude 18.68 (0.03) 18.71 18.71
Pan g magnitude 19.24 (0.007)
Pan r magnitude 19.05 (0.004)
Pan i magnitude 19.01 (0.007)
Pan z magnitude 19.03 (0.04)
Pan y magnitude 19.08 (0.03)
E(B-V) 0.012

* 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.