All names: WD 1401+457, USNO-B1.0 1355-00249033, SDSS J140324.66+453332.6, SDSS J140324.67+453332.7, Gaia DR2 1505825635741455872, EQ J1403+4533, LSPM J1403+4533
| Parameter | Unit | Simbad |
|---|---|---|
| Right ascension | 14 03 24.75 (0.2) | |
| Declination | 45 33 33.02 (0.2) | |
| Spectral type | DC | |
| 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] | 29.33 (0.2) |
| Distance | [pc] | 34.09 (0.3) |
| Composition | ||
| Proper motion (right ascension) | [mas/yr] | -272.15 (0.3) |
| Proper motion (declination) | [mas/yr] | -84.696 (0.3) |
| Variability | ||
| Magnetic | ||
| Bd | [MG] | |
| Infrared excess (disk) | ||
| Binarity | ||
| B magnitude | 19.37 (0.03) | |
| V magnitude | 18.81 (0.02) | |
| R magnitude | 18.90 | |
| I magnitude | ||
| J magnitude | 20.19 (0.07) | |
| H magnitude | 20.61 (0.07) | |
| K magnitude | 20.87 (0.1) | |
| u magnitude | 20.16 (0.05) | |
| g magnitude | 18.89 (0.009) | |
| r magnitude | 18.95 (0.01) | |
| i magnitude | 19.51 (0.03) | |
| z magnitude | 19.76 (0.1) | |
| G magnitude | 19.06 (0.003) | |
| BP magnitude | ||
| RP magnitude | ||
| Pan g magnitude | ||
| Pan r magnitude | ||
| Pan i magnitude | ||
| Pan z magnitude | ||
| Pan y magnitude |
* 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 (LANL). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.