All names: Gaia DR2 100883112426817408, Gaia DR3 100883112426817408, Gaia EDR3 100883112426817408, GALEX J021559.5+225439, SDSS J021559.57+225439.0, SDSS J021559.57+225439.1
| Parameter | Unit | Gaia EDR3 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 02 15 59.59 (0.9) | 02 15 59.57 (0.9) | ||
| Declination | 22 54 39.34 (0.7) | 22 54 39.08 (0.7) | ||
| Spectral type | DBA | |||
| 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] | 2.55 (1) | 2.55 (1) | |
| Distance | [pc] | 392.00 (157) | 392.00 (157) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 22.312 (1) | 22.312 (1) | |
| Proper motion (declination) | [mas/yr] | 16.358 (1) | 16.358 (1) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | ||||
| H magnitude | ||||
| K magnitude | ||||
| u magnitude | 20.59 (0.06) | |||
| g magnitude | 20.42 (0.02) | |||
| r magnitude | 20.47 (0.03) | |||
| i magnitude | 20.53 (0.05) | |||
| z magnitude | 20.67 (0.2) | |||
| G magnitude | 20.40 (0.009) | 20.40 (0.009) | ||
| BP magnitude | 20.39 (0.1) | |||
| RP magnitude | 20.22 (0.2) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.080 | |||
* 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.