All names: SDSS J074755.06+463645.1, Gaia DR2 927405248774802432, Gaia DR3 927405248774802432, SDSS J074755.06+463645.0, GALEX J074755.0+463645, SDSS J074755.05+463645.0, Gaia EDR3 927405248774802432
| Parameter | Unit | Gaia EDR3 | Stilism | Vincent et al. 2024 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|
| Right ascension | 07 47 55.01 (0.08) | 07 47 55.01 | 07 47 55.07 (0.08) | |||
| Declination | 46 36 44.44 (0.07) | 46 36 44.44 | 46 36 45.29 (0.07) | |||
| Spectral type | DA | DA | DA | |||
| Effective temperature | [K] | 11574.0 (281) | ||||
| log(g) | [cgs] | 8.19 (0.03) | ||||
| Mass | [M☉] | 0.72 (0.03) | ||||
| log(Luminosity) | [L☉] | |||||
| Cooling age | [Gyr] | |||||
| log(H/He) | ||||||
| log(C/He) | ||||||
| log(Ca/He) | ||||||
| log(Ca/H) | ||||||
| Parallax | [mas] | 8.10 (0.1) | 8.10 | 8.10 (0.1) | ||
| Distance | [pc] | 123.53 (1) | 123.53 | 123.53 (1) | ||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | -39.859 (0.09) | -39.859 (0.09) | |||
| Proper motion (declination) | [mas/yr] | -53.4 (0.07) | -53.4 (0.07) | |||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | ||||||
| V magnitude | ||||||
| R magnitude | ||||||
| I magnitude | ||||||
| J magnitude | ||||||
| H magnitude | ||||||
| K magnitude | ||||||
| u magnitude | 17.89 (0.01) | |||||
| g magnitude | 17.48 (0.005) | |||||
| r magnitude | 17.59 (0.006) | |||||
| i magnitude | 17.77 (0.008) | |||||
| z magnitude | 18.05 (0.02) | |||||
| G magnitude | 17.52 (0.003) | 17.52 | 17.52 (0.003) | |||
| BP magnitude | 17.53 (0.01) | |||||
| RP magnitude | 17.50 (0.02) | |||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.005 | |||||
* 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.