All names: WISE J175629.61-072248.6, UCAC4 414-072806, 2MASS J17562963-0722488, Gaia DR3 4171625833944161920, Gaia DR2 4171625833944161920, GALEX J175629.6-072249, PSO J269.1234-07.3802
| Parameter | Unit | Vincent et al. 2024 | Simbad |
|---|---|---|---|
| Right ascension | 17 56 29.64 | 17 56 29.64 (0.04) | |
| Declination | -07 22 48.98 | -07 22 48.90 (0.04) | |
| Spectral type | DA: | DA | |
| Effective temperature | [K] | 28898.0 (449) | |
| log(g) | [cgs] | 7.38 (0.02) | |
| Mass | [M☉] | 0.388 (0.007) | |
| log(Luminosity) | [L☉] | ||
| Cooling age | [Gyr] | ||
| log(H/He) | |||
| log(C/He) | |||
| log(Ca/He) | |||
| log(Ca/H) | |||
| Parallax | [mas] | 5.47 | 5.47 (0.04) |
| Distance | [pc] | 182.76 | 182.76 (1) |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | -2.25 (0.05) | |
| Proper motion (declination) | [mas/yr] | -5.375 (0.04) | |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | 15.33 (0.01) | ||
| V magnitude | 15.58 (0.09) | ||
| R magnitude | 15.82 (0.2) | ||
| I magnitude | |||
| J magnitude | 15.94 (0.09) | ||
| H magnitude | 16.10 (0.2) | ||
| K magnitude | |||
| u magnitude | |||
| g magnitude | 15.33 (0.01) | ||
| r magnitude | 15.76 (0.01) | ||
| i magnitude | |||
| z magnitude | |||
| G magnitude | 15.43 | 15.43 (0.003) | |
| BP magnitude | |||
| RP magnitude | |||
| 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.