All names: WIRED J074631.42+173448.1, Gaia EDR3 668162740774715008, Gaia DR3 668162740774715008, SDSS J074631.42+173448.1, SDSS J074631.41+173448.0, SDSS J074631.42+173448.2, Gaia DR2 668162740774715008, GALEX J074631.4+173448
| Parameter | Unit | Gaia EDR3 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|
| Right ascension | 07 46 31.39 (0.1) | 07 46 31.41 | 07 46 31.40 (0.2) | 07 46 31.45 (0.1) | 07 46 31.42 | ||
| Declination | 17 34 48.07 (0.1) | 17 34 48.06 | 17 34 48.09 (0.2) | 17 34 48.54 (0.1) | 17 34 48.16 | ||
| Spectral type | DA | DA | |||||
| Effective temperature | [K] | 9282.0 (29) | |||||
| log(g) | [cgs] | 8.59 (0.03) | |||||
| Mass | [M☉] | 0.961 (0.02) | |||||
| log(Luminosity) | [L☉] | ||||||
| Cooling age | [Gyr] | ||||||
| log(H/He) | |||||||
| log(C/He) | |||||||
| log(Ca/He) | |||||||
| log(Ca/H) | |||||||
| Parallax | [mas] | 8.43 (0.2) | 8.40 (0.3) | 8.43 (0.2) | |||
| Distance | [pc] | 118.64 (2) | 119.00 (4) | 118.64 (2) | |||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | -46.07568848 (0.2) | -45.9587274 (0.4) | -46.076 (0.2) | |||
| Proper motion (declination) | [mas/yr] | -29.0379875 (0.1) | -28.87212549 (0.3) | -29.038 (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 | 17.86 (0.01) | 17.86 (0.01) | 17.93 (0.02) | ||||
| g magnitude | 17.47 (0.005) | 17.46 (0.005) | 17.57 (0.01) | ||||
| r magnitude | 17.50 (0.005) | 17.50 (0.005) | 17.59 (0.01) | ||||
| i magnitude | 17.56 (0.007) | 17.57 (0.007) | 17.66 (0.01) | ||||
| z magnitude | 17.74 (0.02) | 17.74 (0.02) | 17.82 (0.03) | ||||
| G magnitude | 17.98 (0.02) | 17.97 | 17.98 (0.004) | ||||
| BP magnitude | 17.58 (0.02) | 17.51 | |||||
| RP magnitude | 17.34 (0.02) | 17.33 | |||||
| Pan g magnitude | |||||||
| Pan r magnitude | |||||||
| Pan i magnitude | |||||||
| Pan z magnitude | |||||||
| Pan y magnitude | |||||||
| E(B-V) | 0.004 | ||||||
* 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.