All names: Gaia DR2 5454189865525554048, WDJ104018.33-312310.74, GALEX J104018.3-312310, UCAC4 294-063019, WDJ104018.33-312310.73, 2MASS J10401832-3123109, Gaia DR3 5454189865525554048, TIC 54079452, Gaia EDR3 5454189865525554048
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|
| Right ascension | 10 40 18.23 (0.03) | 10 40 18.23 | 10 40 18.23 | 10 40 18.33 (0.03) | 10 40 18.23 | ||
| Declination | -31 23 09.49 (0.04) | -31 23 09.53 | -31 23 09.49 | -31 23 10.74 (0.04) | -31 23 09.53 | ||
| Spectral type | DA | DA | |||||
| Effective temperature | [K] | 8212.0 (51) | |||||
| log(g) | [cgs] | 8.00 (0.01) | |||||
| Mass | [M☉] | 0.596 (0.009) | |||||
| log(Luminosity) | [L☉] | ||||||
| Cooling age | [Gyr] | ||||||
| log(H/He) | |||||||
| log(C/He) | |||||||
| log(Ca/He) | |||||||
| log(Ca/H) | |||||||
| Parallax | [mas] | 21.30 (0.05) | 21.30 (0.06) | 21.30 | 21.30 (0.05) | 21.30 (0.06) | |
| Distance | [pc] | 46.96 (0.1) | 46.95 (0.1) | 46.96 | 46.96 (0.1) | 46.95 (0.1) | |
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | -78.52757329 (0.04) | -78.4466356 (0.09) | -78.528 (0.04) | -78.4466356 | ||
| Proper motion (declination) | [mas/yr] | 77.59269845 (0.05) | 77.59216637 (0.1) | 77.593 (0.05) | 77.59216637 | ||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | 16.63 (0.04) | ||||||
| V magnitude | 16.30 (0.1) | ||||||
| R magnitude | |||||||
| I magnitude | |||||||
| J magnitude | 15.68 (0.06) | ||||||
| H magnitude | 15.56 (0.1) | ||||||
| K magnitude | 15.37 (0.2) | ||||||
| u magnitude | |||||||
| g magnitude | 16.32 (0.04) | ||||||
| r magnitude | 16.34 (0.06) | ||||||
| i magnitude | 16.11 (0.02) | ||||||
| z magnitude | |||||||
| G magnitude | 16.20 (0.005) | 16.22 | 16.20 | 16.20 (0.003) | 16.22 | ||
| BP magnitude | 16.32 (0.005) | 16.32 | 16.32 | ||||
| RP magnitude | 15.98 (0.003) | 15.99 | 15.99 | ||||
| Pan g magnitude | |||||||
| Pan r magnitude | |||||||
| Pan i magnitude | |||||||
| Pan z magnitude | |||||||
| Pan y magnitude | |||||||
| E(B-V) | 0.001 | ||||||
* 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.