CD-24 9052

All names: UCAC2 21765822, UCAC4 326-060426, Gaia DR3 5472648050117721984, 2MASS J10255089-2453199, CD-24 9052, TD1 31127, TIC 193087619, CD-249052, TYC 6623-585-1, Gaia DR2 5472648050117721984

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 10 25 50.90 10 25 50.90 (0.04)
Declination -24 53 20.41 -24 53 19.99 (0.05)
Spectral type He-sdO sdO
Effective temperature [K] 41700.0 (250)
log(g) [cgs] 5.49 (0.05)
Mass [M]
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 2.40 (0.08) 2.28 (0.05)
Distance [pc] 417.48 (13) 438.02 (10)
Composition
Proper motion (right ascension) [mas/yr] -16.573 (0.1) -16.65 (0.06)
Proper motion (declination) [mas/yr] 7.94 (0.2) 8.418 (0.06)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 11.60 (0.07)
V magnitude 12.12 (0.2)
R magnitude 12.01 (0.03)
I magnitude
J magnitude 12.43 (0.03) 12.43 (0.03)
H magnitude 12.57 (0.02) 12.57 (0.02)
K magnitude 12.67 (0.03) 12.67 (0.03)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 11.72 (0.0007) 11.70 (0.003)
BP magnitude 11.48 (0.008)
RP magnitude 12.02 (0.001)
Pan g magnitude 11.66
Pan r magnitude 12.11
Pan i magnitude 12.44
Pan z magnitude 12.73
Pan y magnitude 12.85 (0.003)
E(B-V) 0.033

* 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.