All names: UCAC2 7186072, DENIS J223812.2-563451, TIC 389021051, GALEX J223812.0-563452, WISEA J223812.25-563451.2, GALEXJ22382-5634, Gaia DR2 6504937121816313984, 2MASS J22381223-5634512, Gaia DR3 6504937121816313984, WISE J223812.24-563451.1, UCAC4 168-216683
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 22 38 12.03 | 22 38 12.26 (0.02) | ||
| Declination | -56 34 52.76 | -56 34 51.27 (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] | 0.85 (0.07) | 0.67 (0.04) | |
| Distance | [pc] | 1178.27 (96) | 1486.99 (84) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 9.772 (0.08) | 9.945 (0.03) | |
| Proper motion (declination) | [mas/yr] | -3.885 (0.08) | -3.881 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 13.59 (0.01) | |||
| V magnitude | 13.90 (0.01) | |||
| R magnitude | 14.21 (0.1) | |||
| I magnitude | 14.20 (0.04) | |||
| J magnitude | 14.60 (0.03) | 14.60 (0.03) | ||
| H magnitude | 14.84 (0.07) | 14.84 (0.07) | ||
| K magnitude | 14.94 (0.1) | 14.94 (0.1) | ||
| u magnitude | ||||
| g magnitude | 13.64 (0.02) | |||
| r magnitude | 14.14 (0.01) | |||
| i magnitude | 14.57 (0.04) | |||
| z magnitude | ||||
| G magnitude | 13.85 (0.0006) | 13.84 (0.003) | ||
| BP magnitude | 13.59 (0.008) | |||
| RP magnitude | 14.18 (0.002) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.013 | |||
* 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.