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
Spectra without link are available upon request
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.