All names: WDJ070755.11-743827.53, Gaia EDR3 5261048587838041856, UCAC4 077-007106, Gaia DR3 5261048587838041856, TIC 391923441, 2MASS J07075506-7438275, DENIS J070755.1-743827, WISEA J070754.99-743827.7, WISE J070754.97-743828.0, Gaia DR2 5261048587838041856
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|
| Right ascension | 07 07 54.84 (0.02) | 07 07 54.84 | 07 07 54.84 | 07 07 55.11 (0.02) | 07 07 54.84 | ||
| Declination | -74 38 27.92 (0.02) | -74 38 27.91 | -74 38 27.92 | -74 38 27.54 (0.02) | -74 38 27.91 | ||
| Spectral type | DA | DA | |||||
| Effective temperature | [K] | 16900.0 (173) | |||||
| log(g) | [cgs] | 8.09 (0.009) | |||||
| Mass | [M☉] | 0.671 (0.007) | |||||
| log(Luminosity) | [L☉] | ||||||
| Cooling age | [Gyr] | ||||||
| log(H/He) | |||||||
| log(C/He) | |||||||
| log(Ca/He) | |||||||
| log(Ca/H) | |||||||
| Parallax | [mas] | 16.96 (0.02) | 17.00 (0.04) | 16.96 | 16.96 (0.02) | 17.00 (0.04) | |
| Distance | [pc] | 58.95 (0.07) | 58.82 (0.1) | 58.95 | 58.95 (0.07) | 58.82 (0.1) | |
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | -68.27564533 (0.03) | -68.07570737 (0.08) | -68.276 (0.03) | -68.07570737 | ||
| Proper motion (declination) | [mas/yr] | -24.2374372 (0.03) | -24.39363006 (0.07) | -24.237 (0.03) | -24.39363006 | ||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | 15.02 (0.05) | ||||||
| V magnitude | 15.04 (0.03) | ||||||
| R magnitude | 15.49 (0.1) | ||||||
| I magnitude | 15.24 (0.04) | ||||||
| J magnitude | 15.53 (0.07) | ||||||
| H magnitude | 15.66 (0.2) | ||||||
| K magnitude | |||||||
| u magnitude | |||||||
| g magnitude | 14.95 (0.06) | ||||||
| r magnitude | 15.26 (0.03) | ||||||
| i magnitude | 15.52 (0.02) | ||||||
| z magnitude | |||||||
| G magnitude | 15.08 (0.002) | 15.10 | 15.08 | 15.08 (0.003) | 15.10 | ||
| BP magnitude | 15.02 (0.002) | 15.00 | 15.00 | ||||
| RP magnitude | 15.23 (0.002) | 15.23 | 15.23 | ||||
| Pan g magnitude | |||||||
| Pan r magnitude | |||||||
| Pan i magnitude | |||||||
| Pan z magnitude | |||||||
| Pan y magnitude | |||||||
| E(B-V) | 0.003 | ||||||
* 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.