All names: TIC 189585096, TYC 6605-1962-1, GALEX J093448.2-251248, GALEX J093448.2-251246, Gaia DR2 5661504084315014656, GALEXJ09348-2512, 2MASS J09344822-2512445, Gaia DR3 5661504084315014656, ATO J143.7010-25.2124
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 09 34 48.22 | 09 34 48.23 (0.03) | ||
| Declination | -25 12 46.99 | -25 12 44.46 (0.03) | ||
| Spectral type | sdB | sdO | ||
| Effective temperature | [K] | 34440.0 (2160) | ||
| log(g) | [cgs] | 5.17 (0.3) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 1.10 (0.08) | 1.05 (0.05) | |
| Distance | [pc] | 911.08 (70) | 954.84 (43) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 10.357 (0.1) | 10.299 (0.05) | |
| Proper motion (declination) | [mas/yr] | -12.43 (0.1) | -12.517 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 12.72 (0.2) | |||
| V magnitude | 13.09 (0.3) | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 13.71 (0.03) | 13.71 (0.03) | ||
| H magnitude | 13.76 (0.03) | 13.76 (0.03) | ||
| K magnitude | 13.87 (0.05) | 13.87 (0.05) | ||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 13.07 (0.002) | 13.04 (0.003) | ||
| BP magnitude | 12.85 (0.01) | |||
| RP magnitude | 13.33 (0.005) | |||
| Pan g magnitude | 13.04 | |||
| Pan r magnitude | 13.44 | |||
| Pan i magnitude | 13.70 (0.01) | |||
| Pan z magnitude | 13.95 (0.004) | |||
| Pan y magnitude | 14.13 (0.005) | |||
| E(B-V) | 0.052 | |||
* 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.