LB 239

All names: LAMOST J113340.54+560624.2, Gaia DR2 844818765749387392, PG1130+564, PG 1130+564, LB 239, SBSS 1130+563, TIC 137714020, GALEX J113340.6+560624, Gaia DR3 844818765749387392, 2MASS J11334060+5606249, SDSS J113340.59+560624.8

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 11 33 40.63 11 33 40.60 (0.02)
Declination 56 06 25.77 56 06 24.85 (0.02)
Spectral type sdB sdB
Effective temperature [K] 31900.0 (1160)
log(g) [cgs] 5.06 (0.2)
Mass [M]
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.32 (0.06) 0.17 (0.03)
Distance [pc] 3085.47 (558) 5777.01 (1075)
Composition
Proper motion (right ascension) [mas/yr] -2.89 (0.08) -3.266 (0.03)
Proper motion (declination) [mas/yr] -15.865 (0.08) -15.859 (0.03)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.05
V magnitude 15.28
R magnitude
I magnitude
J magnitude 15.32 (0.05) 15.32 (0.05)
H magnitude 15.16 (0.08) 15.16 (0.08)
K magnitude 15.49 (0.2) 15.49 (0.2)
u magnitude 14.79 (0.003) 14.79 (0.003)
g magnitude 14.98 (0.003) 14.98 (0.003)
r magnitude 15.36 (0.003) 15.36 (0.003)
i magnitude 15.61 (0.003) 15.61 (0.003)
z magnitude 15.80 (0.006) 15.80 (0.006)
G magnitude 15.21 (0.0007) 15.19 (0.003)
BP magnitude 15.05 (0.007)
RP magnitude 15.31 (0.003)
Pan g magnitude
Pan r magnitude
Pan i magnitude 18.39 (0)
Pan z magnitude
Pan y magnitude
E(B-V) 0.021

* 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.