LAMOST J215744.26+073436.4

All names: LAMOST J215744.27+073436.4, LAMOST J215744.26+073436.4, Gaia DR3 2724714646854018048, Gaia EDR3 2724714646854018048, SDSS J215744.26+073436.4, GALEX J215744.3+073436, Gaia DR2 2724714646854018048

Parameter Unit Gaia EDR3 Stilism Vincent et al. 2024 Simbad
Right ascension 21 57 44.27 (0.09) 21 57 44.27 21 57 44.27 (0.09)
Declination 07 34 36.58 (0.09) 07 34 36.58 07 34 36.29 (0.09)
Spectral type DB DB
Effective temperature [K] 24351.0 (2773)
log(g) [cgs] 7.94 (0.05)
Mass [M☉] 0.572 (0.04)
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 3.85 (0.1) 3.85 3.85 (0.1)
Distance [pc] 259.88 (7) 259.88 259.88 (7)
Composition
Proper motion (right ascension) [mas/yr] 5.065 (0.1) 5.065 (0.1)
Proper motion (declination) [mas/yr] 18.216 (0.1) 18.216 (0.1)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 17.15 (0.009)
g magnitude 17.30 (0.005)
r magnitude 17.71 (0.007)
i magnitude 17.95 (0.008)
z magnitude 18.22 (0.02)
G magnitude 17.50 (0.003) 17.50 17.50 (0.003)
BP magnitude 17.41 (0.008)
RP magnitude 17.68 (0.01)
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.045

* 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.