Gaia DR2 442497084509645568

All names: Gaia DR2 442497084509645568, WDJ031923.22+495843.44, Gaia EDR3 442497084509645568, Gaia DR3 442497084509645568

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 03 19 23.27 (0.04) 03 19 23.27 03 19 23.27 03 19 23.22 (0.04) 03 19 23.27
Declination 49 58 42.53 (0.04) 49 58 42.56 49 58 42.53 49 58 43.45 (0.04) 49 58 42.56
Spectral type DQ D
Effective temperature [K] 9241.0 9037.0 8170.0 (52)
log(g) [cgs] 8.24 8.16 7.84 (0.01)
Mass [M] 0.746 0.677 0.487 (0.008)
log(Luminosity) [L]
Cooling age [Gyr] 1.0450 1.0260
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 19.14 (0.05) 19.25 (0.07) 19.14 19.14 (0.05) 19.25 (0.07)
Distance [pc] 52.24 (0.1) 51.96 (0.2) 52.24 52.24 (0.1) 51.96 (0.2)
Composition
Proper motion (right ascension) [mas/yr] 35.72843419 (0.05) 35.67513983 (0.1) 35.728 (0.05) 35.67513983
Proper motion (declination) [mas/yr] -57.0493463 (0.05) -56.80399333 (0.1) -57.049 (0.05) -56.80399333
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 16.35 (0.004) 16.38 16.35 16.35 (0.003) 16.38
BP magnitude 16.42 (0.004) 16.38 16.38
RP magnitude 16.22 (0.005) 16.22 16.22
Pan g magnitude 16.42 (0.003)
Pan r magnitude 16.45 (0.003)
Pan i magnitude 16.55 (0.003)
Pan z magnitude 16.69 (0.002)
Pan y magnitude 16.77 (0.01)
E(B-V) 0.001

* 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.