All names: UCAC4 313-065683, WISE J105018.35-273037.2, 2MASS J10501837-2730370, EC 10479-2714, WISEA J105018.34-273037.2, TIC 188207457, Gaia DR3 5457394701402238336, UCAC2 20386604, Gaia DR2 5457394701402238336, GALEXJ10503-2730, GALEX J105018.2-273037
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 10 50 18.38 | 10 50 18.37 (0.03) | ||
| Declination | -27 30 37.02 | -27 30 37.05 (0.03) | ||
| Spectral type | He-sdO | sdO8.5VIIHe40 | ||
| 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] | 0.80 (0.08) | 0.96 (0.04) | |
| Distance | [pc] | 1255.65 (132) | 1043.19 (45) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -8.841 (0.1) | -8.868 (0.03) | |
| Proper motion (declination) | [mas/yr] | -9.679 (0.1) | -9.772 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 13.72 (0.03) | |||
| V magnitude | 13.90 (0.03) | |||
| R magnitude | 14.19 (0.08) | |||
| I magnitude | ||||
| J magnitude | 14.40 (0.04) | 14.40 (0.04) | ||
| H magnitude | 14.52 (0.05) | 14.52 (0.05) | ||
| K magnitude | 14.63 (0.1) | 14.63 (0.1) | ||
| u magnitude | ||||
| g magnitude | 13.70 (0.03) | |||
| r magnitude | 14.14 (0.04) | |||
| i magnitude | 14.46 (0.03) | |||
| z magnitude | ||||
| G magnitude | 13.88 (0.0005) | 13.86 (0.003) | ||
| BP magnitude | 13.67 (0.006) | |||
| RP magnitude | 14.11 (0.001) | |||
| Pan g magnitude | 13.75 (0.004) | |||
| Pan r magnitude | 14.10 (0.0009) | |||
| Pan i magnitude | 14.46 (0.001) | |||
| Pan z magnitude | 14.72 (0.005) | |||
| Pan y magnitude | 14.90 (0.004) | |||
| E(B-V) | 0.042 | |||
* 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.