All names: Gaia DR2 923322929604059904, SDSS J073953.88+392732.5, Gaia DR3 923322929604059904, GALEX J073953.9+392732
| Parameter | Unit | Stilism | Simbad |
|---|---|---|---|
| Right ascension | 07 39 53.89 (0.3) | ||
| Declination | 39 27 32.50 (0.2) | ||
| Spectral type | D+? | ||
| Effective temperature | [K] | ||
| log(g) | [cgs] | ||
| Mass | [M☉] | ||
| log(Luminosity) | [L☉] | ||
| Cooling age | [Gyr] | ||
| log(H/He) | |||
| log(C/He) | |||
| log(Ca/He) | |||
| log(Ca/H) | |||
| Parallax | [mas] | 0.46 (0.3) | |
| Distance | [pc] | 2192.50 (1595) | |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | 4.421 (0.4) | |
| Proper motion (declination) | [mas/yr] | 3.271 (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 | 21.22 (0.09) | ||
| g magnitude | 20.57 (0.03) | ||
| r magnitude | 19.57 (0.02) | ||
| i magnitude | 19.00 (0.01) | ||
| z magnitude | 18.56 (0.03) | ||
| G magnitude | 19.49 (0.004) | ||
| BP magnitude | |||
| RP magnitude | |||
| Pan g magnitude | |||
| Pan r magnitude | |||
| Pan i magnitude | |||
| Pan z magnitude | |||
| Pan y magnitude | |||
| 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.