All names: Gaia DR2 6393692417967690240, GALEXJ23108-6303, Gaia DR3 6393692417967690240, UCAC4 135-178664, TIC 237338096, GALEX J231053.8-630326, 2MASS J23105380-6303252, BPS CS 22938-0073
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 23 10 53.89 | 23 10 53.80 (0.03) | ||
| Declination | -63 03 26.66 | -63 03 25.27 (0.03) | ||
| Spectral type | He-sdO | sdO7.5VIIHe39 | ||
| 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] | 0.68 (0.05) | 0.73 (0.04) | |
| Distance | [pc] | 1466.28 (107) | 1378.55 (69) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 7.509 (0.07) | 7.416 (0.04) | |
| Proper motion (declination) | [mas/yr] | -17.642 (0.09) | -17.467 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.05 (0.02) | |||
| V magnitude | 14.29 (0) | |||
| R magnitude | 14.70 (0.1) | |||
| I magnitude | ||||
| J magnitude | 15.00 (0.05) | 15.00 (0.05) | ||
| H magnitude | 15.04 (0.1) | 15.04 (0.1) | ||
| K magnitude | 15.30 (0.2) | 15.30 (0.2) | ||
| u magnitude | ||||
| g magnitude | 14.06 (0.01) | |||
| r magnitude | 14.53 (0.03) | |||
| i magnitude | 14.87 (0.04) | |||
| z magnitude | ||||
| G magnitude | 14.28 (0.0006) | 14.26 (0.003) | ||
| BP magnitude | 14.03 (0.009) | |||
| RP magnitude | 14.58 (0.002) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.014 | |||
* 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.