Gaia DR2 1875741857456294912

All names: USNO-B1.0 1143-00549373, SDSS J222944.57+242240.5, Gaia DR2 1875741857456294912, LSPM J2229+2422, Gaia DR3 1875741857456294912, Gaia EDR3 1875741857456294912, WDJ222944.45+242240.70, WDJ222944.45+242240.69, SDSS J222944.56+242240.4

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 22 29 44.65 (0.1) 22 29 44.64 22 29 44.65 22 29 44.45 (0.1) 22 29 44.64
Declination 24 22 40.29 (0.2) 24 22 40.31 24 22 40.29 24 22 40.70 (0.2) 24 22 40.31
Spectral type DA: DA
Effective temperature [K] 4946.0 4632.0 5014.0 (83)
log(g) [cgs] 8.11 7.90 8.16 (0.04)
Mass [M] 0.65 0.511 0.683 (0.04)
log(Luminosity) [L]
Cooling age [Gyr] 7.1260 5.6350
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 20.12 (0.2) 20.05 (0.3) 20.12 20.12 (0.2) 20.05 (0.3)
Distance [pc] 49.70 (0.5) 49.86 (0.7) 49.70 49.70 (0.5) 49.86 (0.7)
Composition
Proper motion (right ascension) [mas/yr] 165.1757606 (0.2) 165.4245115 (0.5) 165.176 (0.2) 165.4245115
Proper motion (declination) [mas/yr] -25.41408212 (0.2) -25.07901467 (0.5) -25.414 (0.2) -25.07901467
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 19.60
V magnitude
R magnitude 18.40
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.89 (0.1) 20.89 (0.1)
g magnitude 19.31 (0.01) 19.31 (0.01)
r magnitude 18.50 (0.009) 18.50 (0.009)
i magnitude 18.27 (0.01) 18.27 (0.01)
z magnitude 18.13 (0.03) 18.13 (0.03)
G magnitude 18.56 (0.03) 18.59 18.56 18.56 (0.003) 18.59
BP magnitude 19.04 (0.03) 19.04 19.04
RP magnitude 17.94 (0.02) 17.92 17.92
Pan g magnitude 19.16 (0.007)
Pan r magnitude 18.52 (0.005)
Pan i magnitude 18.25 (0.004)
Pan z magnitude 18.17 (0.01)
Pan y magnitude 18.15 (0.01)
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.