KOI-4118

All names: Gaia DR2 2129388572827118720, EQ J1921.1+4759, KeplerJ19211+4759, Gaia DR3 2129388572827118720, TIC 1882909457, KIC 10661778, Gaia EDR3 2129388572827118720, KOI-4118

Parameter Unit Gaia EDR3 Geier 2020 Stilism Simbad
Right ascension 19 21 11.07 (0.07) 19 21 11.10 19 21 11.07 (0.07)
Declination 47 59 25.17 (0.08) 47 59 24.00 47 59 25.22 (0.09)
Spectral type sdB sdB
Effective temperature [K]
log(g) [cgs]
Mass [M☉]
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.25 (0.08) 0.24 (0.1) 0.25 (0.08)
Distance [pc] 4019.29 (1300) 4240.88 (2239) 4019.29 (1300)
Composition
Proper motion (right ascension) [mas/yr] -1.991 (0.09) -1.847 (0.2) -1.991 (0.09)
Proper motion (declination) [mas/yr] -3.334 (0.09) -3.062 (0.2) -3.334 (0.09)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 17.67 (0.003) 17.69 (0.002) 17.67 (0.003)
BP magnitude 17.55 (0.01) 17.52 (0.01)
RP magnitude 17.91 (0.02) 17.89 (0.02)
Pan g magnitude 17.52 (0.005)
Pan r magnitude 17.91 (0.005)
Pan i magnitude 18.22 (0.006)
Pan z magnitude 18.49 (0.01)
Pan y magnitude 18.69 (0.03)
E(B-V) 0.040

* 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.