All names: Gaia DR2 3199966586476097536, Gaia DR3 3199966586476097536, SDSS J044340.79-062131.9, SDSS J044340.78-062131.9, WIRED J044340.78-062131.9, GALEX J044340.8-062133, Gaia EDR3 3199966586476097536
| Parameter | Unit | Gaia EDR3 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 04 43 40.79 (1) | 04 43 40.79 | 04 43 40.79 (2) | 04 43 40.78 (1) | 04 43 40.79 | |||
| Declination | -06 21 31.90 (0.8) | -06 21 31.94 | -06 21 31.90 (2) | -06 21 32.09 (0.8) | -06 21 31.92 | |||
| Spectral type | DA | DA+M: | DA | |||||
| Effective temperature | [K] | 16390.0 (917) | ||||||
| log(g) | [cgs] | 7.49 (0.2) | ||||||
| Mass | [M☉] | |||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 2.81 (2) | 2.81 (2) | |||||
| Distance | [pc] | 355.25 (268) | 355.25 (268) | |||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | 7.077846728 (2) | 7.078 (2) | |||||
| Proper motion (declination) | [mas/yr] | 11.8947668 (2) | 11.895 (2) | |||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | WDMS | |||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | ||||||||
| H magnitude | ||||||||
| K magnitude | ||||||||
| u magnitude | 21.13 (0.08) | 21.13 (0.08) | 21.20 (0.09) | |||||
| g magnitude | 20.76 (0.03) | 20.76 (0.03) | 20.77 (0.03) | |||||
| r magnitude | 20.96 (0.04) | 20.96 (0.04) | 21.01 (0.04) | |||||
| i magnitude | 21.25 (0.06) | 21.25 (0.06) | 21.25 (0.1) | |||||
| z magnitude | 21.87 (0.4) | 21.87 (0.4) | 22.35 (0.5) | |||||
| G magnitude | 20.86 (0.2) | 20.94 | 20.86 (0.01) | |||||
| BP magnitude | 20.94 (0.2) | 20.77 | ||||||
| RP magnitude | 20.62 (0.2) | 20.69 | ||||||
| Pan g magnitude | ||||||||
| Pan r magnitude | ||||||||
| Pan i magnitude | ||||||||
| Pan z magnitude | ||||||||
| Pan y magnitude | ||||||||
| E(B-V) | 0.026 | |||||||
* 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.