All names: Gaia DR2 6820033441820640384, WISEA J220315.28-213951.9, EC 22004-2154, TIC 206462125, 2MASS J22031526-2139523, GALEX J220315.2-213952, Gaia EDR3 6820033441820640384, Gaia DR3 6820033441820640384, EC22004-2154, UCAC4 342-197891, WISE J220315.25-213951.7
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 22 03 15.28 (0.05) | 22 03 15.24 | 22 03 15.29 (0.05) | ||
| Declination | -21 39 52.31 (0.04) | -21 39 51.84 | -21 39 52.25 (0.04) | ||
| 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] | 0.54 (0.06) | 0.33 (0.1) | 0.54 (0.06) | |
| Distance | [pc] | 1860.81 (199) | 3076.92 (909) | 1860.81 (199) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -3.435 (0.06) | -2.953 (0.2) | -3.435 (0.06) | |
| Proper motion (declination) | [mas/yr] | -3.626 (0.04) | -3.72 (0.1) | -3.626 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 15.50 (0.05) | ||||
| V magnitude | 15.69 (0.01) | ||||
| R magnitude | 15.97 (0.2) | ||||
| I magnitude | |||||
| J magnitude | 16.46 (0.1) | 16.46 (0.1) | |||
| H magnitude | 16.37 (0.3) | 16.37 (0.3) | |||
| K magnitude | 15.11 | ||||
| u magnitude | |||||
| g magnitude | |||||
| r magnitude | 15.96 (0.1) | ||||
| i magnitude | 16.64 (0.01) | ||||
| z magnitude | |||||
| G magnitude | 15.65 (0.003) | 15.67 (0.001) | 15.65 (0.003) | ||
| BP magnitude | 15.48 (0.004) | 15.43 (0.01) | |||
| RP magnitude | 15.99 (0.005) | 15.99 (0.005) | |||
| Pan g magnitude | 15.48 (0.003) | ||||
| Pan r magnitude | 15.93 (0.004) | ||||
| Pan i magnitude | 16.32 (0.002) | ||||
| Pan z magnitude | 16.61 (0.003) | ||||
| Pan y magnitude | 16.81 (0.01) | ||||
| E(B-V) | 0.019 | ||||
* 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.