All names: Gaia DR2 3673899601771467520, SDSS J140722.37+062831.0, GALEX J140722.3+062831, SDSS J140722.38+062831.0, Gaia EDR3 3673899601771708416, Gaia DR3 3673899601771708416
| Parameter | Unit | Gaia EDR3 | Stilism | Vincent et al. 2024 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|
| Right ascension | 14 07 22.36 (0.2) | 14 07 22.36 | 14 07 22.38 (0.2) | |||
| Declination | 06 28 30.67 (0.2) | 06 28 30.67 | 06 28 31.12 (0.2) | |||
| Spectral type | DC | DC | DC | |||
| Effective temperature | [K] | 7975.0 (332) | ||||
| log(g) | [cgs] | 8.18 (0.07) | ||||
| Mass | [M☉] | 0.688 (0.07) | ||||
| log(Luminosity) | [L☉] | |||||
| Cooling age | [Gyr] | |||||
| log(H/He) | ||||||
| log(C/He) | ||||||
| log(Ca/He) | ||||||
| log(Ca/H) | ||||||
| Parallax | [mas] | 8.05 (0.2) | 8.05 | 8.05 (0.2) | ||
| Distance | [pc] | 124.17 (3) | 124.17 | 124.17 (3) | ||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | -25.523 (0.3) | -25.523 (0.3) | |||
| Proper motion (declination) | [mas/yr] | -28.315 (0.2) | -28.315 (0.2) | |||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | ||||||
| V magnitude | ||||||
| R magnitude | ||||||
| I magnitude | ||||||
| J magnitude | ||||||
| H magnitude | 18.50 (0.1) | |||||
| K magnitude | 18.40 (0.2) | |||||
| u magnitude | 19.24 (0.02) | |||||
| g magnitude | 18.85 (0.009) | |||||
| r magnitude | 18.79 (0.01) | |||||
| i magnitude | 18.86 (0.01) | |||||
| z magnitude | 18.87 (0.04) | |||||
| G magnitude | 18.80 (0.004) | 18.80 | 18.80 (0.004) | |||
| BP magnitude | 18.88 (0.04) | |||||
| RP magnitude | 18.61 (0.04) | |||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.012 | |||||
* 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.