LAMOST J031238.51+183505.0

All names: SDSS J031238.52+183505.0, LAMOST J031238.51+183505.0, GALEX J031238.4+183505, Gaia DR2 59004677325188864, Gaia DR3 59004677325188864, Gaia EDR3 59004677325188864

Parameter Unit Gaia EDR3 Stilism Vincent et al. 2024 Simbad
Right ascension 03 12 38.53 (0.1) 03 12 38.53 03 12 38.51 (0.1)
Declination 18 35 05.27 (0.08) 18 35 05.27 18 35 04.77 (0.08)
Spectral type DB DB
Effective temperature [K] 16426.0 (925)
log(g) [cgs] 8.00 (0.07)
Mass [M☉] 0.589 (0.06)
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 5.02 (0.1) 5.02 5.02 (0.1)
Distance [pc] 199.13 (5) 199.13 199.13 (5)
Composition
Proper motion (right ascension) [mas/yr] 21.662 (0.1) 21.662 (0.1)
Proper motion (declination) [mas/yr] 31.398 (0.1) 31.398 (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 17.37 (0.009)
g magnitude 17.48 (0.005)
r magnitude 17.75 (0.006)
i magnitude 18.01 (0.008)
z magnitude 18.28 (0.03)
G magnitude 17.61 (0.003) 17.61 17.61 (0.003)
BP magnitude 17.56 (0.009)
RP magnitude 17.71 (0.02)
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.064

* 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.