All names: Gaia EDR3 1777503929488477312, GALEX J222632.0+195048, SDSS J222631.94+195046.7, SDSS J222631.93+195046.7, Gaia DR2 1777503929488477312, SDSS J222631.94+195046.72, Gaia DR3 1777503929488477312
| Parameter | Unit | Gaia EDR3 | SDSS DR10 | Gaia DR2 | Kepler et al. 2015 | Simbad |
|---|---|---|---|---|---|---|
| Right ascension | 22 26 31.93 (2) | 22 26 31.94 | 22 26 31.93 (8) | 22 26 31.93 (2) | ||
| Declination | 19 50 46.71 (1) | 19 50 46.72 | 19 50 46.71 (5) | 19 50 46.71 (1) | ||
| Spectral type | DA | DA | ||||
| Effective temperature | [K] | 9451.0 (59) | ||||
| log(g) | [cgs] | 8.07 (0.1) | ||||
| Mass | [M☉] | 0.638 (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 | 22.01 (0.3) | 22.01 (0.3) | 22.01 (0.3) | |||
| g magnitude | 20.91 (0.04) | 20.91 (0.04) | 20.91 (0.04) | |||
| r magnitude | 21.00 (0.07) | 21.00 (0.07) | 21.00 (0.07) | |||
| i magnitude | 20.78 (0.08) | 20.78 (0.08) | 20.78 (0.08) | |||
| z magnitude | 20.69 (0.3) | 20.69 (0.3) | 20.69 (0.3) | |||
| G magnitude | 20.85 (0.2) | 20.97 | 20.85 (0.02) | |||
| BP magnitude | 20.81 (0.2) | 21.10 | ||||
| RP magnitude | 20.41 (0.2) | 20.89 | ||||
| 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.