KPD 2145+4216

All names: KPD2145+4216, UCAC2 46601669, TIC 345717661, WISEA J214724.30+423133.8, Gaia DR2 1972625019602949504, UCAC4 663-104817, WISE J214724.32+423133.8, KPD 2145+4216, Gaia DR3 1972625019602949504, 2MASS J21472425+4231342

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 21 47 24.27 21 47 24.27 (0.02)
Declination 42 31 34.69 42 31 34.23 (0.02)
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] 0.60 (0.03) 0.63 (0.02)
Distance [pc] 1662.79 (94) 1581.28 (62)
Composition
Proper motion (right ascension) [mas/yr] 3.706 (0.05) 3.686 (0.02)
Proper motion (declination) [mas/yr] -8.156 (0.06) -8.143 (0.03)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.63 (0.08)
V magnitude 15.38 (0.01)
R magnitude 15.80 (0.3)
I magnitude
J magnitude 15.46 (0.06) 15.46 (0.06)
H magnitude 15.79 (0.1) 15.79 (0.1)
K magnitude 15.32 (0.2) 15.32 (0.2)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 15.32 (0.0004) 15.30 (0.003)
BP magnitude 15.24 (0.005)
RP magnitude 15.31 (0.003)
Pan g magnitude 15.30 (0.007)
Pan r magnitude 15.45 (0.002)
Pan i magnitude 15.65 (0.003)
Pan z magnitude 15.83 (0.002)
Pan y magnitude 15.94 (0.003)
E(B-V) 0.259

* 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.