JL 199

All names: JL 199, Gaia EDR3 4920548631491764352, 2MASS J00340776-5551060, TIC 281595262, GSC 08468-00506, GALEX J003407.6-555105, EC 00318-5607, HE0031-5607, HE 0031-5607, Gaia DR2 4920548631491764352, Gaia DR3 4920548631491764352

Parameter Unit Gaia EDR3 Geier 2020 Stilism Simbad
Right ascension 00 34 07.76 (0.03) 00 34 07.75 00 34 07.75 (0.03)
Declination -55 51 05.91 (0.03) -55 51 05.90 -55 51 05.93 (0.03)
Spectral type He-sdO sdOHe
Effective temperature [K] 41423.0 (1000)
log(g) [cgs] 6.25 (0.1)
Mass [M☉]
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.72 (0.04) 0.53 (0.06) 0.72 (0.04)
Distance [pc] 1392.56 (84) 1880.76 (208) 1392.56 (84)
Composition
Proper motion (right ascension) [mas/yr] 7.04 (0.04) 7.159 (0.09) 7.04 (0.04)
Proper motion (declination) [mas/yr] 1.761 (0.04) 1.743 (0.09) 1.761 (0.04)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.50
V magnitude
R magnitude
I magnitude
J magnitude 16.44 (0.1)
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 15.68 (0.003) 15.70 (0.001) 15.68 (0.003)
BP magnitude 15.52 (0.004) 15.47 (0.008)
RP magnitude 15.98 (0.005) 15.99 (0.004)
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.010

* 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.