All names: Gaia DR2 1231366986324465536, Gaia EDR3 1231366986324465536, Gaia DR3 1231366986324465536, GALEX J140709.7+154010, SDSS J140709.73+154010.2, SDSS J140709.72+154010.2
| Parameter | Unit | Gaia EDR3 | Stilism | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|
| Right ascension | 14 07 09.72 (0.3) | 14 07 09.74 (0.3) | |||
| Declination | 15 40 10.28 (0.3) | 15 40 10.20 (0.3) | |||
| Spectral type | DAH | DAH | |||
| 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] | 3.38 (0.4) | 3.38 (0.4) | ||
| Distance | [pc] | 296.02 (34) | 296.02 (34) | ||
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -13.043 (0.4) | -13.043 (0.4) | ||
| Proper motion (declination) | [mas/yr] | 5.06 (0.4) | 5.06 (0.4) | ||
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | |||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | |||||
| H magnitude | |||||
| K magnitude | |||||
| u magnitude | 19.96 (0.04) | ||||
| g magnitude | 19.68 (0.01) | ||||
| r magnitude | 19.88 (0.02) | ||||
| i magnitude | 20.12 (0.03) | ||||
| z magnitude | 20.37 (0.2) | ||||
| G magnitude | 19.79 (0.005) | 19.79 (0.005) | |||
| BP magnitude | 19.82 (0.04) | ||||
| RP magnitude | 19.82 (0.08) | ||||
| Pan g magnitude | |||||
| Pan r magnitude | |||||
| Pan i magnitude | |||||
| Pan z magnitude | |||||
| Pan y magnitude | |||||
| E(B-V) | 0.022 | ||||
* 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.