All names: 2MASS J09581062-1605518, GALEX J095810.7-160550, TIC 293603085, Gaia DR2 5685954371058159616, BPS BS 17587-0115, GALEXJ09581-1605, EC 09557-1551, UCAC4 370-057257, Gaia DR3 5685954371058159616
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 09 58 10.77 | 09 58 10.64 (0.04) | ||
| Declination | -16 05 50.39 | -16 05 51.88 (0.04) | ||
| Spectral type | He-sdO | sdO7VIIHe40 | ||
| 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] | 0.65 (0.06) | 0.64 (0.04) | |
| Distance | [pc] | 1536.57 (150) | 1561.52 (109) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 8.24 (0.1) | 8.396 (0.05) | |
| Proper motion (declination) | [mas/yr] | -5.547 (0.1) | -5.768 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.04 (0.04) | |||
| V magnitude | 14.34 (0.01) | |||
| R magnitude | 14.62 (0.08) | |||
| I magnitude | ||||
| J magnitude | 14.95 (0.05) | 14.95 (0.05) | ||
| H magnitude | 15.02 (0.09) | 15.02 (0.09) | ||
| K magnitude | 14.86 (0.1) | 14.86 (0.1) | ||
| u magnitude | ||||
| g magnitude | 14.07 (0.02) | |||
| r magnitude | 14.54 (0.02) | |||
| i magnitude | 14.94 (0.09) | |||
| z magnitude | ||||
| G magnitude | 14.29 (0.001) | 14.27 (0.003) | ||
| BP magnitude | 14.06 (0.008) | |||
| RP magnitude | 14.57 (0.003) | |||
| Pan g magnitude | 14.11 (0.006) | |||
| Pan r magnitude | 14.55 (0.002) | |||
| Pan i magnitude | 14.91 (0.002) | |||
| Pan z magnitude | 15.18 (0.004) | |||
| Pan y magnitude | 15.37 (0.006) | |||
| E(B-V) | 0.036 | |||
* 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.