All names: EC09290-1222, EC 09290-1222, Gaia EDR3 5690251576032941824, Gaia DR2 5690251576032941824, TIC 293522346, 2MASS J09312675-1235582, GALEX J093126.7-123557, Gaia DR3 5690251576032941824
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 09 31 26.74 (0.05) | 09 31 26.74 | 09 31 26.75 (0.05) | ||
| Declination | -12 35 57.86 (0.06) | -12 35 57.69 | -12 35 57.94 (0.06) | ||
| Spectral type | sdB | sdB | |||
| 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] | 0.50 (0.05) | 0.57 (0.08) | 0.50 (0.05) | |
| Distance | [pc] | 2003.61 (206) | 1746.42 (255) | 2003.61 (206) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -9.797 (0.06) | -9.945 (0.2) | -9.797 (0.06) | |
| Proper motion (declination) | [mas/yr] | 5.226 (0.06) | 5.81 (0.3) | 5.226 (0.06) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 15.68 | ||||
| V magnitude | 15.98 | ||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 16.41 (0.1) | 16.41 (0.1) | |||
| H magnitude | 15.93 | ||||
| K magnitude | 15.64 | ||||
| u magnitude | |||||
| g magnitude | |||||
| r magnitude | |||||
| i magnitude | |||||
| z magnitude | |||||
| G magnitude | 15.84 (0.003) | 15.86 (0.001) | 15.84 (0.003) | ||
| BP magnitude | 15.73 (0.004) | 15.71 (0.009) | |||
| RP magnitude | 16.07 (0.005) | 16.07 (0.004) | |||
| Pan g magnitude | 15.69 (0.003) | ||||
| Pan r magnitude | 16.07 (0.002) | ||||
| Pan i magnitude | 16.39 (0.004) | ||||
| Pan z magnitude | 16.64 (0.005) | ||||
| Pan y magnitude | 16.82 (0.009) | ||||
| E(B-V) | 0.032 | ||||
* 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.