All names: Gaia DR3 3714993161664884224, Gaia EDR3 3714993161664884224, Gaia DR2 3714993161664884224, SDSS J134042.78+052657.1, GALEX J134042.7+052656
| Parameter | Unit | Gaia EDR3 | Simbad |
|---|---|---|---|
| Right ascension | 13 40 42.78 (0.5) | 13 40 42.79 (0.5) | |
| Declination | 05 26 57.30 (0.4) | 05 26 57.10 (0.4) | |
| Spectral type | DB | ||
| 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] | 0.93 (0.6) | 0.93 (0.6) |
| Distance | [pc] | 1069.98 (676) | 1069.98 (676) |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | -15.914 (0.8) | -15.914 (0.8) |
| Proper motion (declination) | [mas/yr] | 12.347 (0.5) | 12.347 (0.5) |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | |||
| V magnitude | |||
| R magnitude | |||
| I magnitude | |||
| J magnitude | |||
| H magnitude | |||
| K magnitude | |||
| u magnitude | 20.09 (0.05) | ||
| g magnitude | 20.20 (0.02) | ||
| r magnitude | 20.45 (0.03) | ||
| i magnitude | 20.68 (0.06) | ||
| z magnitude | 21.10 (0.3) | ||
| G magnitude | 20.37 (0.006) | 20.37 (0.006) | |
| BP magnitude | 20.29 (0.07) | ||
| RP magnitude | 20.55 (0.1) | ||
| 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.