All names: Gaia DR3 693825166073225472, SDSS J092427.74+261922.8, SDSSJ092427.74+261922.8, Gaia DR2 693825166073225472, GALEX J092427.7+261922, LAMOST J092427.74+261922.8
| Parameter | Unit | Geier 2020 | Simbad |
|---|---|---|---|
| Right ascension | 09 24 27.74 | 09 24 27.75 (0.2) | |
| Declination | 26 19 22.80 | 26 19 22.86 (0.1) | |
| 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] | -0.70 (0.3) | |
| Distance | [pc] | ||
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | -3.142 (0.5) | -2.783 (0.3) |
| Proper motion (declination) | [mas/yr] | -7.776 (0.4) | -7.847 (0.2) |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | |||
| V magnitude | |||
| R magnitude | |||
| I magnitude | |||
| J magnitude | |||
| H magnitude | |||
| K magnitude | |||
| u magnitude | 17.98 (0.01) | 17.98 (0.01) | |
| g magnitude | 18.27 (0.007) | 18.27 (0.007) | |
| r magnitude | 18.78 (0.01) | 18.78 (0.01) | |
| i magnitude | 19.06 (0.02) | 19.06 (0.02) | |
| z magnitude | 19.34 (0.07) | 19.34 (0.07) | |
| G magnitude | 18.58 (0.003) | 18.54 (0.004) | |
| BP magnitude | 18.36 (0.02) | ||
| RP magnitude | 18.67 (0.09) | ||
| Pan g magnitude | 18.35 (0.01) | ||
| Pan r magnitude | 18.77 (0.006) | ||
| Pan i magnitude | 19.14 (0.01) | ||
| Pan z magnitude | 19.41 (0.02) | ||
| Pan y magnitude | 19.68 (0.04) | ||
| E(B-V) | |||
* 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.