Gaia DR2 3298772725735023744

All names: USNO-A2.0 0975-00911064, Gaia DR2 3298772725735023744, WDJ040722.01+084354.79, Gaia DR3 3298772725735023744, WDJ040722.01+084354.78, Gaia EDR3 3298772725735023744, GALEX J040721.9+084354

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 04 07 22.03 (0.09) 04 07 22.03 04 07 22.03 04 07 22.01 (0.09) 04 07 22.03
Declination 08 43 53.78 (0.06) 08 43 53.81 08 43 53.78 08 43 54.79 (0.06) 08 43 53.81
Spectral type DA DA
Effective temperature [K] 10286.0 10206.0 10348.0 (195)
log(g) [cgs] 8.41 8.35 8.45 (0.03)
Mass [M] 0.864 0.802 0.885 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 1.0550 0.9871
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 10.59 (0.1) 10.49 (0.2) 10.59 10.59 (0.1) 10.49 (0.2)
Distance [pc] 94.40 (0.9) 95.37 (1) 94.40 94.40 (0.9) 95.37 (1)
Composition
Proper motion (right ascension) [mas/yr] 18.90642081 (0.1) 19.20526673 (0.3) 18.906 (0.1) 19.20526673
Proper motion (declination) [mas/yr] -63.45819686 (0.07) -63.21409995 (0.2) -63.458 (0.07) -63.21409995
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 16.90 (0.3)
V magnitude
R magnitude 17.20 (0.3)
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 17.64 (0.008) 17.66 17.64 17.64 (0.003) 17.66
BP magnitude 17.69 (0.008) 17.69 17.69
RP magnitude 17.58 (0.009) 17.58 17.58
Pan g magnitude 17.63 (0.004)
Pan r magnitude 17.72 (0.004)
Pan i magnitude 17.87 (0.006)
Pan z magnitude 18.02 (0.003)
Pan y magnitude 18.16 (0.01)
E(B-V) 0.003

* 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.