All names: GALEX J194508.9-503412, Gaia DR2 6646081051517197568, EC19413-5041, Gaia DR3 6646081051517197568, TIC 1923517009, EC 19413-5041
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 19 45 08.70 | 19 45 08.81 (0.05) | ||
| Declination | -50 34 12.50 | -50 34 11.98 (0.06) | ||
| Spectral type | He-sdO | sdOHe | ||
| 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] | 0.91 (0.1) | 0.86 (0.08) | |
| Distance | [pc] | 1096.37 (123) | 1166.04 (110) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -1.99 (0.1) | -1.879 (0.07) | |
| Proper motion (declination) | [mas/yr] | -9.584 (0.1) | -9.476 (0.05) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 16.18 | |||
| V magnitude | 16.41 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | ||||
| H magnitude | ||||
| K magnitude | ||||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 16.40 (0.002) | 16.37 (0.003) | ||
| BP magnitude | 16.13 (0.02) | |||
| RP magnitude | 16.65 (0.01) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.034 | |||
* 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.