UCAC2 24234114

All names: GALEXJ19390-1941, 2MASS J19390355-1941365, Gaia DR3 6869272806628451712, WISEA J193903.53-194136.1, TIC 127538548, UCAC2 24234114, UCAC4 352-174995, Gaia DR2 6869272806628451712, WISE J193903.53-194135.9

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 19 39 03.56 19 39 03.55 (0.03)
Declination -19 41 34.58 -19 41 36.52 (0.03)
Spectral type 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] 1.27 (0.05) 1.27 (0.03)
Distance [pc] 784.31 (30) 784.93 (21)
Composition
Proper motion (right ascension) [mas/yr] -11.896 (0.08) -11.759 (0.03)
Proper motion (declination) [mas/yr] -4.231 (0.07) -4.273 (0.03)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude 15.15 (0.2)
I magnitude
J magnitude 13.56 (0.03) 13.56 (0.03)
H magnitude 13.15 (0.03) 13.15 (0.03)
K magnitude 13.01 (0.04) 13.01 (0.04)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 15.01 (0.0005) 15.00 (0.003)
BP magnitude 15.49 (0.003)
RP magnitude 14.38 (0.002)
Pan g magnitude 15.58 (0.002)
Pan r magnitude 14.97 (0.002)
Pan i magnitude 14.74 (0.002)
Pan z magnitude 14.63 (0.001)
Pan y magnitude 14.55 (0.004)
E(B-V) 0.103

* 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.