LAMOST J041831.37-021905.0

All names: Gaia EDR3 3253852143823041792, Gaia DR3 3253852143823041792, 2MASS J04183135-0219040, GALEX J041831.3-021904, TIC 250171954, Gaia DR2 3253852143823041792, LAMOST J041831.37-021905.0

Parameter Unit Gaia EDR3 Stilism Vincent et al. 2024 Simbad
Right ascension 04 18 31.40 (0.06) 04 18 31.40 04 18 31.35 (0.06)
Declination -02 19 05.65 (0.03) -02 19 05.65 -02 19 04.02 (0.03)
Spectral type DB DBAZ
Effective temperature [K] 12470.0 (178)
log(g) [cgs] 8.01 (0.02)
Mass [M☉] 0.593 (0.02)
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 8.12 (0.08) 8.12 8.12 (0.08)
Distance [pc] 123.19 (1) 123.19 123.19 (1)
Composition
Proper motion (right ascension) [mas/yr] 44.272 (0.08) 44.272 (0.08)
Proper motion (declination) [mas/yr] -101.493 (0.05) -101.493 (0.05)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 17.00 (0.1)
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 17.17 (0.003) 17.17 17.17 (0.003)
BP magnitude 17.16 (0.005)
RP magnitude 17.20 (0.007)
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
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.