Gaia DR2 1746789866736764800

All names: LAMOST J211531.47+123957.5, UCAC4 514-133487, GALEX J211531.4+123957, Gaia DR3 1746789866736764800, Gaia DR2 1746789866736764800, LAMOSTJ211531.48+123957.6

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 21 15 31.48 21 15 31.48 (0.04)
Declination 12 39 57.54 12 39 57.68 (0.04)
Spectral type sdB sdB
Effective temperature [K] 29120.0 (370)
log(g) [cgs] 5.55 (0.05)
Mass [M☉]
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.54 (0.07) 0.45 (0.05)
Distance [pc] 1844.34 (233) 2205.07 (230)
Composition
Proper motion (right ascension) [mas/yr] -0.619 (0.1) -0.356 (0.04)
Proper motion (declination) [mas/yr] -11.555 (0.1) -11.49 (0.04)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.97 (0.05)
V magnitude 16.00 (0.01)
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 15.65 (0.005)
g magnitude 15.74 (0.003) 15.92 (0.01)
r magnitude 16.15 (0.004) 16.45 (0.01)
i magnitude 16.46 (0.004)
z magnitude 16.72 (0.01)
G magnitude 16.02 (0.003) 15.99 (0.003)
BP magnitude 15.83 (0.01)
RP magnitude 16.20 (0.01)
Pan g magnitude 15.85 (0.005)
Pan r magnitude 16.23 (0.003)
Pan i magnitude 16.58 (0.003)
Pan z magnitude 16.84 (0.008)
Pan y magnitude 16.95 (0.01)
E(B-V) 0.062

* 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.