All names: GALEX J115654.9+202211, SDSS J115654.91+202211.8, Gaia DR2 3999497872730079616, SDSS J115654.90+202211.8, Gaia EDR3 3999497872730079616, Gaia DR3 3999497872730079616
| Parameter | Unit | Gaia EDR3 | Stilism | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|
| Right ascension | 11 56 54.90 (0.4) | 11 56 54.92 (0.4) | |||
| Declination | 20 22 11.95 (0.3) | 20 22 11.94 (0.3) | |||
| Spectral type | DAZ | DZ | |||
| 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] | 2.67 (0.5) | 2.67 (0.5) | ||
| Distance | [pc] | 374.88 (65) | 374.88 (65) | ||
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -17.874 (0.5) | -17.874 (0.5) | ||
| Proper motion (declination) | [mas/yr] | 1.055 (0.3) | 1.055 (0.3) | ||
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | |||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | |||||
| H magnitude | |||||
| K magnitude | |||||
| u magnitude | 19.68 (0.03) | ||||
| g magnitude | 19.45 (0.01) | ||||
| r magnitude | 19.74 (0.02) | ||||
| i magnitude | 20.09 (0.03) | ||||
| z magnitude | 20.58 (0.1) | ||||
| G magnitude | 19.62 (0.004) | 19.62 (0.004) | |||
| BP magnitude | 19.64 (0.04) | ||||
| RP magnitude | 19.73 (0.08) | ||||
| 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.