KIC 12021724

All names: TIC 27766711, EQ J1944.2+5029, KIC 12021724, Gaia DR3 2135353702585217920, KIC12021724, Gaia EDR3 2135353702585217920, Gaia DR2 2135353702585217920, LAMOST J194412.75+502939.3, 2MASS J19441275+5029393

Parameter Unit Gaia EDR3 Geier 2020 Stilism Simbad
Right ascension 19 44 12.77 (0.03) 19 44 12.75 19 44 12.77 (0.03)
Declination 50 29 39.11 (0.03) 50 29 39.30 50 29 39.09 (0.03)
Spectral type sdB sdB
Effective temperature [K] 26309.0 (596)
log(g) [cgs] 5.20 (0.07)
Mass [M]
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.63 (0.03) 0.64 (0.04) 0.63 (0.03)
Distance [pc] 1585.79 (72) 1573.07 (104) 1585.79 (72)
Composition
Proper motion (right ascension) [mas/yr] 4.682 (0.03) 4.758 (0.08) 4.682 (0.03)
Proper motion (declination) [mas/yr] 1.033 (0.04) 1.22 (0.08) 1.033 (0.04)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 16.01 (0.07) 16.01 (0.07)
H magnitude 16.08 (0.1) 16.08 (0.1)
K magnitude 16.70
u magnitude
g magnitude 15.28
r magnitude
i magnitude 16.02
z magnitude
G magnitude 15.46 (0.003) 15.48 (0.0006) 15.46 (0.003)
BP magnitude 15.35 (0.003) 15.30 (0.007)
RP magnitude 15.69 (0.005) 15.68 (0.004)
Pan g magnitude 15.31 (0.002)
Pan r magnitude 15.69 (0.002)
Pan i magnitude 16.02 (0.003)
Pan z magnitude 16.28 (0.004)
Pan y magnitude 16.42 (0.005)
E(B-V) 0.052

* 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.