All names: GALEX J074053.9+373214, Gaia DR2 896095894965950720, Gaia DR3 896095894965950720, SDSS J074053.92+373214.1, SDSS J074053.97+373214.2
| Parameter | Unit | Stilism | Simbad |
|---|---|---|---|
| Right ascension | 07 40 53.97 (0.5) | ||
| Declination | 37 32 14.28 (0.4) | ||
| Spectral type | DA | ||
| 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] | 0.21 (0.8) | |
| Distance | [pc] | 4714.76 (18397) | |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | 4.532 (0.8) | |
| Proper motion (declination) | [mas/yr] | -0.169 (0.4) | |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | |||
| V magnitude | |||
| R magnitude | |||
| I magnitude | |||
| J magnitude | |||
| H magnitude | |||
| K magnitude | |||
| u magnitude | 19.64 (0.03) | ||
| g magnitude | 20.02 (0.02) | ||
| r magnitude | 20.06 (0.02) | ||
| i magnitude | 20.20 (0.04) | ||
| z magnitude | 20.40 (0.1) | ||
| G magnitude | 20.15 (0.01) | ||
| 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.