All names: GALEXJ23054-4046, TIC 160078278, UCAC2 14532091, UCAC4 247-184614, GALEX J230525.4-404634, WISEA J230525.58-404633.6, WISE J230525.59-404633.6, Gaia EDR3 6543233004436306432, Gaia DR3 6543233004436306432, Gaia DR2 6543233004436306432, 2MASS J23052554-4046332
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 23 05 25.56 (0.03) | 23 05 25.47 | 23 05 25.57 (0.04) | ||
| Declination | -40 46 33.63 (0.04) | -40 46 34.25 | -40 46 33.57 (0.04) | ||
| Spectral type | He-sdOB | sdOBHe | |||
| 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] | 0.57 (0.05) | 0.62 (0.07) | 0.57 (0.05) | |
| Distance | [pc] | 1754.39 (158) | 1611.08 (173) | 1754.39 (158) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -1.316 (0.04) | -1.324 (0.08) | -1.316 (0.04) | |
| Proper motion (declination) | [mas/yr] | -3.811 (0.04) | -3.867 (0.1) | -3.811 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 14.59 (0.06) | ||||
| V magnitude | 14.75 (0.07) | ||||
| R magnitude | 15.10 (0.1) | ||||
| I magnitude | |||||
| J magnitude | 15.49 (0.08) | 15.49 (0.08) | |||
| H magnitude | 15.61 (0.1) | 15.61 (0.1) | |||
| K magnitude | 15.65 (0.3) | 15.65 (0.3) | |||
| u magnitude | |||||
| g magnitude | 14.55 (0.01) | ||||
| r magnitude | 15.00 (0.01) | ||||
| i magnitude | |||||
| z magnitude | |||||
| G magnitude | 14.76 (0.003) | 14.78 (0.0008) | 14.76 (0.003) | ||
| BP magnitude | 14.59 (0.004) | 14.52 (0.02) | |||
| RP magnitude | 15.09 (0.004) | 15.08 (0.002) | |||
| Pan g magnitude | |||||
| Pan r magnitude | |||||
| Pan i magnitude | |||||
| Pan z magnitude | |||||
| Pan y magnitude | |||||
| E(B-V) | 0.009 | ||||
* 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.