All names: GALEX J064607.8+280510, WIRED J064607.86+280510.1, Gaia DR2 3386210181045438208, SDSS J064607.86+280510.0, SDSS J064607.86+280510.1, Gaia EDR3 3386210181045438208, Gaia DR3 3386210181045438208
| Parameter | Unit | Gaia EDR3 | SDSS DR12 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 06 46 07.86 (0.2) | 06 46 07.86 | 06 46 07.86 (0.4) | 06 46 07.86 | 06 46 07.87 (0.2) | 06 46 07.86 | |||
| Declination | 28 05 09.91 (0.3) | 28 05 10.09 | 28 05 09.92 (2) | 28 05 09.91 | 28 05 10.25 (0.3) | 28 05 10.14 | |||
| Spectral type | DA | DAH | DAH | DA | |||||
| Effective temperature | [K] | 22056.0 (2691) | 22775.0 (288) | ||||||
| log(g) | [cgs] | 8.67 (0.1) | 9.05 (0.04) | ||||||
| Mass | [M☉] | 1.035 (0.09) | |||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 3.80 (0.3) | 3.80 | 3.80 (0.3) | |||||
| Distance | [pc] | 263.21 (23) | 263.21 | 263.21 (23) | |||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -7.352222586 (0.3) | -7.352 (0.3) | ||||||
| Proper motion (declination) | [mas/yr] | -21.1531406 (0.3) | -21.153 (0.3) | ||||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | |||||||||
| H magnitude | |||||||||
| K magnitude | |||||||||
| u magnitude | 18.60 (0.02) | 18.60 (0.02) | 18.61 (0.02) | ||||||
| g magnitude | 18.67 (0.008) | 18.67 (0.008) | 18.69 (0.01) | ||||||
| r magnitude | 19.00 (0.01) | 19.00 (0.01) | 18.99 (0.02) | ||||||
| i magnitude | 19.32 (0.02) | 19.32 (0.02) | 19.31 (0.06) | ||||||
| z magnitude | 19.64 (0.07) | 19.52 (0.07) | 19.52 (0.07) | ||||||
| G magnitude | 18.85 (0.06) | 18.89 | 18.85 | 18.85 (0.004) | |||||
| BP magnitude | 18.71 (0.06) | 18.63 | |||||||
| RP magnitude | 18.99 (0.05) | 18.77 | |||||||
| 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.