LAMOST J031700.41+182722.3

All names: SDSS J031700.41+182722.1, Gaia DR3 59117372971786880, LAMOST J031700.41+182722.3, GALEX J031700.3+182722, Gaia DR2 59117372971786880, Gaia EDR3 59117372971786880

Parameter Unit Gaia EDR3 Stilism Vincent et al. 2024 Simbad
Right ascension 03 17 00.44 (0.08) 03 17 00.44 03 17 00.40 (0.08)
Declination 18 27 21.95 (0.07) 18 27 21.95 18 27 22.34 (0.07)
Spectral type DB DBA
Effective temperature [K] 14763.0 (555)
log(g) [cgs] 8.14 (0.04)
Mass [M☉] 0.672 (0.04)
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 6.84 (0.09) 6.84 6.84 (0.09)
Distance [pc] 146.21 (2) 146.21 146.21 (2)
Composition
Proper motion (right ascension) [mas/yr] 32.9 (0.1) 32.9 (0.1)
Proper motion (declination) [mas/yr] -24.663 (0.09) -24.663 (0.09)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 17.10 (0.008)
g magnitude 17.21 (0.005)
r magnitude 17.48 (0.005)
i magnitude 17.74 (0.007)
z magnitude 17.98 (0.02)
G magnitude 17.34 (0.003) 17.34 17.34 (0.003)
BP magnitude 17.30 (0.009)
RP magnitude 17.46 (0.02)
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.