All names: Gaia DR3 923820115017936640, Gaia EDR3 923820115017936640, Gaia DR2 923820115017936640, SDSS J074611.32+403143.31, SDSS J074611.32+403143.3
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Kepler et al. 2016 | Simbad |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 07 46 11.32 (0.2) | 07 46 11.32 | 07 46 11.32 (0.2) | 07 46 11.32 (0.2) | ||||
| Declination | 40 31 43.31 (0.1) | 40 31 43.31 | 40 31 43.31 (0.1) | 40 31 43.33 (0.1) | ||||
| Spectral type | sdA | sdA | ||||||
| Effective temperature | [K] | 8159.0 (25) | ||||||
| log(g) | [cgs] | 6.01 (0.07) | ||||||
| Mass | [M☉] | 0.17173 (0.0002) | ||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 0.24 (0.2) | 0.34 (0.2) | 0.24 (0.2) | ||||
| Distance | [pc] | 4225.20 (3540) | 2956.35 (2067) | 4224.76 (3539) | ||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | 0.24671483 (0.2) | 0.263554667 (0.4) | 0.247 (0.2) | ||||
| Proper motion (declination) | [mas/yr] | -1.422321676 (0.1) | -1.409418907 (0.3) | -1.422 (0.1) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | ||||||||
| H magnitude | ||||||||
| K magnitude | ||||||||
| u magnitude | 20.05 (0.04) | 20.03 (0.04) | 20.03 (0.04) | |||||
| g magnitude | 18.81 (0.008) | 18.82 (0.02) | 18.82 (0.02) | |||||
| r magnitude | 18.70 (0.009) | 18.70 (0.02) | 18.70 (0.02) | |||||
| i magnitude | 18.70 (0.01) | 18.70 (0.02) | 18.70 (0.02) | |||||
| z magnitude | 18.75 (0.04) | 18.76 (0.04) | 18.76 (0.04) | |||||
| G magnitude | 18.68 (0.03) | 18.71 | 18.68 (0.004) | |||||
| BP magnitude | 18.85 (0.03) | 18.87 | ||||||
| RP magnitude | 18.45 (0.03) | 18.40 | ||||||
| Pan g magnitude | 18.78 (0.007) | |||||||
| Pan r magnitude | 18.70 (0.004) | |||||||
| Pan i magnitude | 18.75 (0.004) | |||||||
| Pan z magnitude | 18.81 (0.01) | |||||||
| Pan y magnitude | 18.79 (0.03) | |||||||
| E(B-V) | 0.040 | |||||||
* 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.