LAMOST J093903.33+114418.6

All names: LAMOST J093903.33+114418.62, LAMOST J093903.33+114418.6, Gaia DR2 613742477182156800, GALEX J093903.3+114418, Gaia DR3 613742477182156800, SDSS J093903.32+114418.0, Gaia EDR3 613742477182156800

Parameter Unit Gaia EDR3 Stilism Guo et al. 2015 Zhao et al. 2013 Vincent et al. 2024 Simbad
Right ascension 09 39 03.30 (0.08) 09 39 03.33 09 39 03.30 09 39 03.33 (0.08)
Declination 11 44 17.88 (0.08) 11 44 18.62 11 44 17.88 11 44 18.04 (0.08)
Spectral type DA DA DA4
Effective temperature [K] 17000.0 (551) 16673.0 (815) 12447.0 (208)
log(g) [cgs] 8.95 (0.06) 8.75 (0.09) 7.68 (0.02)
Mass [M☉] 1.17 (0.03) 1.08 (0.05) 0.442 (0.01)
log(Luminosity) [L☉]
Cooling age [Gyr] 0.5130 (0.1)
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 6.67 (0.09) 6.67 6.67 (0.09)
Distance [pc] 149.85 (2) 82.00 149.85 149.85 (2)
Composition
Proper motion (right ascension) [mas/yr] -32.794 (0.1) -32.794 (0.1)
Proper motion (declination) [mas/yr] -10.059 (0.08) -10.059 (0.08)
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 17.36 (0.02)
g magnitude 17.01 17.04 (0.03)
r magnitude 17.21 17.21 (0.01)
i magnitude 17.41 17.40 (0.02)
z magnitude 17.67 17.66 (0.03)
G magnitude 17.10 (0.003) 17.10 17.10 (0.003)
BP magnitude 17.11 (0.007)
RP magnitude 17.13 (0.009)
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.