All names: Gaia DR3 2732028525187031168, GALEX J224620.7+134422, USNO-A2.0 0975-21064940, Gaia EDR3 2732028525187031168, SDSS J224620.82+134422.4, Gaia DR2 2732028525187031168
| Parameter | Unit | Gaia EDR3 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 22 46 20.81 (0.4) | 22 46 20.82 (0.4) | ||
| Declination | 13 44 22.77 (0.4) | 13 44 22.40 (0.4) | ||
| Spectral type | DB | |||
| 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] | 2.57 (0.5) | 2.57 (0.5) | |
| Distance | [pc] | 388.82 (71) | 388.82 (71) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -8.617 (0.4) | -8.617 (0.4) | |
| Proper motion (declination) | [mas/yr] | 23.633 (0.4) | 23.633 (0.4) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 19.20 (0.3) | |||
| V magnitude | ||||
| R magnitude | 19.40 (0.3) | |||
| I magnitude | ||||
| J magnitude | ||||
| H magnitude | ||||
| K magnitude | ||||
| u magnitude | 19.84 (0.04) | |||
| g magnitude | 19.86 (0.02) | |||
| r magnitude | 20.07 (0.02) | |||
| i magnitude | 20.27 (0.04) | |||
| z magnitude | 20.33 (0.2) | |||
| G magnitude | 19.96 (0.005) | 19.96 (0.005) | ||
| BP magnitude | 19.96 (0.05) | |||
| RP magnitude | 20.00 (0.1) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.060 | |||
* 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.