All names: Gaia DR3 102443216347523840, Gaia DR2 102443216347523840, GALEX J023128.3+253804, SDSS J023128.35+253803.9, Gaia EDR3 102443216347523840
| Parameter | Unit | Gaia EDR3 | SDSS DR12 | Gaia DR2 | Simbad | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|
| Right ascension | 02 31 28.35 (9) | 02 31 28.35 | 02 31 28.35 (46) | 02 31 28.35 (9) | 02 31 28.35 | |
| Declination | 25 38 03.75 (4) | 25 38 03.83 | 25 38 03.75 (21) | 25 38 03.75 (4) | 25 38 03.94 | |
| Spectral type | DA | DA | ||||
| Effective temperature | [K] | 26195.0 (1307) | ||||
| log(g) | [cgs] | 7.58 (0.2) | ||||
| Mass | [M☉] | 0.476 (0.07) | ||||
| log(Luminosity) | [L☉] | |||||
| Cooling age | [Gyr] | |||||
| log(H/He) | ||||||
| log(C/He) | ||||||
| log(Ca/He) | ||||||
| log(Ca/H) | ||||||
| Parallax | [mas] | |||||
| Distance | [pc] | |||||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | |||||
| Proper motion (declination) | [mas/yr] | |||||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | ||||||
| V magnitude | ||||||
| R magnitude | ||||||
| I magnitude | ||||||
| J magnitude | ||||||
| H magnitude | ||||||
| K magnitude | ||||||
| u magnitude | 20.75 (0.07) | 20.80 (0.09) | 20.80 (0.09) | |||
| g magnitude | 20.67 (0.02) | 20.69 (0.03) | 20.69 (0.03) | |||
| r magnitude | 21.05 (0.04) | 20.97 (0.04) | 20.97 (0.04) | |||
| i magnitude | 21.50 (0.09) | 21.27 (0.08) | 21.27 (0.08) | |||
| z magnitude | 22.09 (0.5) | 20.97 (0.3) | 20.97 (0.3) | |||
| G magnitude | 20.86 (0.2) | 20.96 | 20.86 (0.02) | |||
| BP magnitude | 20.33 (0.2) | 20.13 | ||||
| RP magnitude | 20.49 (0.2) | 20.86 | ||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| 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.