All names: GALEX J043525.8-124659, EC 04331-1253, EC04331-1253, TIC 117735566, Gaia DR2 3177884239758742016, Gaia DR3 3177884239758742016, 2MASS J04352580-1246599, UCAC4 387-005940
Parameter | Unit | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|
Right ascension | 04 35 25.77 | 04 35 25.81 (0.03) | ||
Declination | -12 46 59.70 | -12 47 00.09 (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] | 0.35 (0.07) | 0.32 (0.04) | |
Distance | [pc] | 2829.65 (540) | 3105.59 (418) | |
Composition | ||||
Proper motion (right ascension) | [mas/yr] | 2.651 (0.08) | 2.693 (0.03) | |
Proper motion (declination) | [mas/yr] | 2.41 (0.07) | 2.334 (0.03) | |
Variability | ||||
Magnetic | ||||
Bd | [MG] | |||
Infrared excess (disk) | ||||
Binarity | ||||
B magnitude | 15.83 (0.07) | |||
V magnitude | 15.94 (0.1) | |||
R magnitude | ||||
I magnitude | ||||
J magnitude | 16.60 (0.1) | 16.60 (0.1) | ||
H magnitude | 15.88 | |||
K magnitude | 16.02 | |||
u magnitude | ||||
g magnitude | 15.80 (0.03) | |||
r magnitude | 16.19 (0.05) | |||
i magnitude | 16.63 (0.01) | |||
z magnitude | ||||
G magnitude | 15.96 (0.001) | 15.93 (0.003) | ||
BP magnitude | 15.70 (0.009) | |||
RP magnitude | 16.21 (0.003) | |||
Pan g magnitude | 15.78 (0.006) | |||
Pan r magnitude | 16.19 (0.005) | |||
Pan i magnitude | 16.54 (0.003) | |||
Pan z magnitude | 16.81 (0.003) | |||
Pan y magnitude | 17.00 (0.01) | |||
E(B-V) | 0.047 |
* 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.