KK 345-12

All names: BPS CS 22875-0001, Gaia DR3 6569423959823272960, KK 345-12, GALEX J222105.1-415740, Gaia EDR3 6569423959823272960, GALEXJ22210-4157, 2MASS J22210514-4157420, uvby98 620168012, Gaia DR2 6569423959823272960, TIC 382383606

Parameter Unit Gaia EDR3 Geier 2020 Stilism Simbad
Right ascension 22 21 05.21 (0.03) 22 21 05.09 22 21 05.16 (0.03)
Declination -41 57 42.17 (0.03) -41 57 41.77 -41 57 41.93 (0.03)
Spectral type sdO sdO
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] 0.81 (0.04) 0.90 (0.06) 0.81 (0.04)
Distance [pc] 1237.16 (66) 1106.07 (70) 1237.16 (66)
Composition
Proper motion (right ascension) [mas/yr] 35.01 (0.03) 34.981 (0.07) 35.01 (0.03)
Proper motion (declination) [mas/yr] -14.792 (0.04) -14.809 (0.08) -14.792 (0.04)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.16
V magnitude 14.86
R magnitude
I magnitude
J magnitude 15.66 (0.06) 15.66 (0.06)
H magnitude 15.96 (0.1) 15.96 (0.1)
K magnitude 15.81 (0.3) 15.81 (0.3)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 14.83 (0.003) 14.85 (0.0006) 14.83 (0.003)
BP magnitude 14.65 (0.003) 14.56 (0.009)
RP magnitude 15.18 (0.004) 15.17 (0.002)
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.