All names: WISE J101849.95-333149.7, UCAC2 17482749, DENIS J101849.9-333149, GALEX J101850.0-333150, 2MASS J10184995-3331497, TIC 71340025, Gaia DR2 5447021565108738688, WISEA J101849.94-333149.7, GALEXJ10188-3331, Gaia DR3 5447021565108738688, UCAC4 283-059091
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 10 18 49.93 | 10 18 49.95 (0.02) | ||
| Declination | -33 31 47.78 | -33 31 49.74 (0.02) | ||
| Spectral type | sdB | sdB | ||
| 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] | 1.25 (0.05) | 1.18 (0.03) | |
| Distance | [pc] | 796.88 (31) | 846.31 (22) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -14.389 (0.09) | -14.427 (0.03) | |
| Proper motion (declination) | [mas/yr] | 7.274 (0.08) | 7.367 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 13.62 (0.05) | |||
| V magnitude | 13.80 (0.03) | |||
| R magnitude | 14.15 (0.1) | |||
| I magnitude | 13.98 (0.02) | |||
| J magnitude | 14.32 (0.03) | 14.32 (0.03) | ||
| H magnitude | 14.38 (0.05) | 14.38 (0.05) | ||
| K magnitude | 14.37 (0.1) | 14.37 (0.1) | ||
| u magnitude | ||||
| g magnitude | 13.58 (0.03) | |||
| r magnitude | 13.99 (0.05) | |||
| i magnitude | 14.26 (0.2) | |||
| z magnitude | ||||
| G magnitude | 13.78 (0.0005) | 13.77 (0.003) | ||
| BP magnitude | 13.60 (0.006) | |||
| RP magnitude | 14.01 (0.002) | |||
| Pan g magnitude | 13.72 | |||
| Pan r magnitude | 14.12 | |||
| Pan i magnitude | 14.33 (0.002) | |||
| Pan z magnitude | 14.66 | |||
| Pan y magnitude | 14.84 | |||
| E(B-V) | 0.044 | |||
* 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.