Gaia DR2 2267444180521441024

All names: Gaia DR2 2267444180521441024, LSPM J1809+7413, Gaia DR3 2267444180521441024, Gaia EDR3 2267444180521441024, WDJ180926.96+741336.08, USNO-B1.0 1642-00102805

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 18 09 26.65 (0.08) 18 09 26.66 18 09 26.65 18 09 26.96 (0.08) 18 09 26.66
Declination 74 13 33.81 (0.1) 74 13 33.88 74 13 33.81 74 13 36.09 (0.1) 74 13 33.88
Spectral type DA DA
Effective temperature [K] 9175.0 8877.0 9193.0 (208)
log(g) [cgs] 8.58 8.50 8.57 (0.03)
Mass [M] 0.968 0.9 0.966 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 2.1960 2.0890
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 12.23 (0.09) 12.16 (0.1) 12.23 12.23 (0.09) 12.16 (0.1)
Distance [pc] 81.77 (0.6) 82.25 (0.7) 81.77 81.77 (0.6) 82.25 (0.7)
Composition
Proper motion (right ascension) [mas/yr] -79.08609695 (0.1) -79.26117306 (0.2) -79.086 (0.1) -79.26117306
Proper motion (declination) [mas/yr] -142.3582507 (0.1) -142.0340855 (0.3) -142.358 (0.1) -142.0340855
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 17.90
V magnitude
R magnitude 18.10
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 17.96 (0.01) 17.99 17.96 17.96 (0.003) 17.99
BP magnitude 18.06 (0.01) 18.04 18.04
RP magnitude 17.81 (0.01) 17.83 17.83
Pan g magnitude 18.02 (0.004)
Pan r magnitude 18.05 (0.007)
Pan i magnitude 18.13 (0.004)
Pan z magnitude 18.27 (0.01)
Pan y magnitude 18.36 (0.01)
E(B-V) 0.009

* 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.