All names: SDSS J104437.94+405544.4, GALEX J104437.9+405543, Gaia DR3 779775192606992128, Gaia EDR3 779775192606992128, SDSS J104437.95+405544.4, Gaia DR2 779775192606992128
| Parameter | Unit | Gaia EDR3 | Stilism | Vincent et al. 2024 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|
| Right ascension | 10 44 37.97 (0.2) | 10 44 37.97 | 10 44 37.95 (0.2) | |||
| Declination | 40 55 44.36 (0.2) | 40 55 44.36 | 40 55 44.41 (0.2) | |||
| Spectral type | DA | DA | DA | |||
| Effective temperature | [K] | 8754.0 (343) | ||||
| log(g) | [cgs] | 7.53 (0.1) | ||||
| Mass | [M☉] | 0.36 (0.07) | ||||
| log(Luminosity) | [L☉] | |||||
| Cooling age | [Gyr] | |||||
| log(H/He) | ||||||
| log(C/He) | ||||||
| log(Ca/He) | ||||||
| log(Ca/H) | ||||||
| Parallax | [mas] | 3.71 (0.3) | 3.71 | 3.71 (0.3) | ||
| Distance | [pc] | 269.84 (19) | 269.84 | 269.84 (19) | ||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | 14.768 (0.3) | 14.768 (0.3) | |||
| Proper motion (declination) | [mas/yr] | -3.113 (0.2) | -3.113 (0.2) | |||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | ||||||
| V magnitude | ||||||
| R magnitude | ||||||
| I magnitude | ||||||
| J magnitude | ||||||
| H magnitude | ||||||
| K magnitude | ||||||
| u magnitude | 19.71 (0.03) | |||||
| g magnitude | 19.22 (0.01) | |||||
| r magnitude | 19.19 (0.01) | |||||
| i magnitude | 19.25 (0.01) | |||||
| z magnitude | 19.35 (0.04) | |||||
| G magnitude | 19.14 (0.004) | 19.14 | 19.14 (0.004) | |||
| BP magnitude | 19.28 (0.03) | |||||
| RP magnitude | 19.03 (0.05) | |||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.015 | |||||
* 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.