Gaia DR2 4576413655356340352

All names: Gaia DR3 4576413655356340352, SDSS J181034.12+221045.0, NLTT 46058, Gaia DR2 4576413655356340352, USNO-B1.0 1121-00350433, SDSS J181034.13+221045.1, WDJ181034.1+221046.31, WDJ181034.10+221046.32, Gaia EDR3 4576413655356340352, LP 390-12, LSPM J1810+2210

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 18 10 34.19 (0.05) 18 10 34.18 18 10 34.19 18 10 34.10 (0.05) 18 10 34.18
Declination 22 10 41.98 (0.08) 22 10 42.11 22 10 41.98 22 10 46.32 (0.08) 22 10 42.11
Spectral type DC DA: DA
Effective temperature [K] 5258.0 (21) 5771.0 5506.0 5746.0 (47)
log(g) [cgs] 7.84 (0.01) 8.15 7.99 8.12 (0.02)
Mass [M] 0.479 (0.009) 0.68 0.561 0.662 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 3.7070 3.7920
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(N/He)
log(O/He)
log(Na/He)
log(Mg/He)
log(Al/He)
log(Si/He)
log(P/He)
log(S/He)
log(Cl/He)
log(Sc/He)
log(Ti/He)
log(V/He)
log(Cr/He)
log(Mn/He)
log(Fe/He)
log(Co/He)
log(Ni/He)
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He)
log(Sr/He)
Parallax [mas] 18.10 (0.1) 18.06 (0.1) 18.10 18.10 (0.1) 18.06 (0.1)
Distance [pc] 55.24 (0.3) 55.38 (0.4) 55.24 55.24 (0.3) 55.38 (0.4)
Composition He
Proper motion (right ascension) [mas/yr] 73.82644206 (0.07) 73.80860054 (0.1) 73.826 (0.07) 73.80860054
Proper motion (declination) [mas/yr] -271.2146074 (0.1) -271.2499214 (0.2) -271.215 (0.1) -271.2499214
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 18.50
V magnitude
R magnitude 17.70
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.70 (0.03) 19.70 (0.03)
g magnitude 18.52 (0.007) 18.52 (0.007)
r magnitude 18.05 (0.007) 18.05 (0.007)
i magnitude 17.89 (0.007) 17.89 (0.007)
z magnitude 17.84 (0.02) 17.84 (0.02)
G magnitude 18.09 (0.01) 18.11 18.09 18.09 (0.003) 18.11
BP magnitude 18.46 (0.01) 18.47 18.47
RP magnitude 17.58 (0.01) 17.60 17.60
Pan g magnitude 18.47 (0.005)
Pan r magnitude 18.07 (0.007)
Pan i magnitude 17.93 (0.002)
Pan z magnitude 17.90 (0.006)
Pan y magnitude 17.90 (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.