All names: Gaia DR3 2737518455464919552, SDSS J222437.89+172910.2, SDSS J222437.90+172910.2, GALEX J222437.9+172910, Gaia DR2 2737518455464919552
| Parameter | Unit | Stilism | Simbad |
|---|---|---|---|
| Right ascension | 22 24 37.92 (0.3) | ||
| Declination | 17 29 10.36 (0.4) | ||
| Spectral type | DA | ||
| 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] | 5.52 (0.4) | |
| Distance | [pc] | 181.00 (13) | |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | -40.405 (0.4) | |
| Proper motion (declination) | [mas/yr] | -16.422 (0.4) | |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | |||
| V magnitude | |||
| R magnitude | |||
| I magnitude | |||
| J magnitude | |||
| H magnitude | |||
| K magnitude | |||
| u magnitude | 20.11 (0.06) | ||
| g magnitude | 19.65 (0.01) | ||
| r magnitude | 19.52 (0.02) | ||
| i magnitude | 19.49 (0.02) | ||
| z magnitude | 19.44 (0.09) | ||
| G magnitude | 19.49 (0.005) | ||
| BP magnitude | |||
| RP magnitude | |||
| Pan g magnitude | |||
| Pan r magnitude | |||
| Pan i magnitude | |||
| Pan z magnitude | |||
| Pan y magnitude | |||
| E(B-V) | 0.019 | ||
* 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.