All names: GALEX J023446.6-242732, Gaia DR3 5119153897852324864, UCAC4 328-002761, WISEA J023446.76-242735.1, EC 02325-2440, WISE J023446.72-242734.7, Gaia DR2 5119153897852324864, EC02325-2440
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 02 34 46.67 | 02 34 46.70 (0.04) | ||
| Declination | -24 27 33.52 | -24 27 33.35 (0.05) | ||
| 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] | 0.13 (0.07) | 0.16 (0.06) | |
| Distance | [pc] | 7923.93 (4414) | 6086.43 (2289) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 3.592 (0.1) | 3.634 (0.05) | |
| Proper motion (declination) | [mas/yr] | -9.911 (0.1) | -9.746 (0.06) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 16.38 (0.01) | |||
| V magnitude | 16.55 (0.01) | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | ||||
| H magnitude | ||||
| K magnitude | ||||
| u magnitude | ||||
| g magnitude | 16.33 (0.05) | |||
| r magnitude | 16.87 (0.01) | |||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 16.54 (0.002) | 16.51 (0.003) | ||
| BP magnitude | 16.28 (0.009) | |||
| RP magnitude | 16.81 (0.009) | |||
| Pan g magnitude | 16.36 (0.004) | |||
| Pan r magnitude | 16.78 (0.005) | |||
| Pan i magnitude | 17.14 (0.003) | |||
| Pan z magnitude | 17.43 (0.006) | |||
| Pan y magnitude | 17.60 (0.01) | |||
| E(B-V) | 0.015 | |||
* 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.