All names: GALEX J165000.2+205042, SDSS J165000.27+205042.4, Gaia DR3 4564787518176187392, Gaia DR2 4564787518176187392
| Parameter | Unit | Stilism | Simbad |
|---|---|---|---|
| Right ascension | 16 50 00.29 (0.3) | ||
| Declination | 20 50 42.42 (0.3) | ||
| Spectral type | DB | ||
| 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] | 2.47 (0.4) | |
| Distance | [pc] | 404.45 (67) | |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | -20.673 (0.3) | |
| Proper motion (declination) | [mas/yr] | 18.393 (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 | 19.91 (0.05) | ||
| g magnitude | 19.93 (0.02) | ||
| r magnitude | 20.05 (0.02) | ||
| i magnitude | 20.30 (0.04) | ||
| z magnitude | 20.27 (0.1) | ||
| G magnitude | 19.98 (0.005) | ||
| BP magnitude | |||
| RP magnitude | |||
| Pan g magnitude | |||
| Pan r magnitude | |||
| Pan i magnitude | |||
| Pan z magnitude | |||
| Pan y magnitude | |||
| E(B-V) | 0.043 | ||
* 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.