All names: GALEX J092551.3+253857, 2MASS J09255135+2538577, Gaia DR2 693709343690705152, Ton 15, TIC 149468778, PG0922+259, Gaia DR3 693709343690705152, SDSS J092551.36+253857.7, PG 0922+259, SDSS J092551.35+253857.7
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 09 25 51.36 | 09 25 51.36 (0.04) | ||
| Declination | 25 38 58.53 | 25 38 57.81 (0.03) | ||
| Spectral type | sdB+K | sdOB | ||
| 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] | 0.33 (0.08) | 0.53 (0.05) | |
| Distance | [pc] | 3029.39 (739) | 1894.30 (170) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 1.606 (0.1) | 1.667 (0.05) | |
| Proper motion (declination) | [mas/yr] | -11.821 (0.09) | -11.659 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 16.31 | |||
| V magnitude | 15.58 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 15.05 (0.04) | 15.05 (0.04) | ||
| H magnitude | 14.82 (0.06) | 14.82 (0.06) | ||
| K magnitude | 14.84 (0.1) | 14.84 (0.1) | ||
| u magnitude | 15.23 (0.004) | 15.24 (0.004) | ||
| g magnitude | 15.34 (0.003) | 15.35 (0.003) | ||
| r magnitude | 15.56 (0.004) | 15.56 (0.004) | ||
| i magnitude | 15.67 (0.004) | 15.67 (0.004) | ||
| z magnitude | 15.76 (0.006) | 15.76 (0.006) | ||
| G magnitude | 15.43 (0.0009) | 15.41 (0.003) | ||
| BP magnitude | 15.37 (0.009) | |||
| RP magnitude | 15.35 (0.002) | |||
| Pan g magnitude | 15.43 (0.005) | |||
| Pan r magnitude | 15.57 (0.003) | |||
| Pan i magnitude | 15.69 (0.004) | |||
| Pan z magnitude | 15.79 (0.002) | |||
| Pan y magnitude | 15.83 (0.01) | |||
| E(B-V) | 0.029 | |||
* 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.