All names: Gaia DR2 930966979254089472, WD 0819+487, LP 163-167, NLTT 19396, LSPM J0823+4833, SDSS J082307.80+483316.6, USNO-B1.0 1385-00194068, SDSS J082307.80+483316.5, SDSS J082307.81+483316.6
| Parameter | Unit | Simbad |
|---|---|---|
| Right ascension | 08 23 07.82 (0.1) | |
| Declination | 48 33 16.66 (0.08) | |
| 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] | 21.46 (0.1) |
| Distance | [pc] | 46.60 (0.3) |
| Composition | ||
| Proper motion (right ascension) | [mas/yr] | -211.468 (0.2) |
| Proper motion (declination) | [mas/yr] | -70.907 (0.2) |
| Variability | ||
| Magnetic | ||
| Bd | [MG] | |
| Infrared excess (disk) | ||
| Binarity | ||
| B magnitude | 18.20 | |
| V magnitude | ||
| R magnitude | 17.40 | |
| I magnitude | ||
| J magnitude | ||
| H magnitude | ||
| K magnitude | ||
| u magnitude | 18.76 (0.02) | |
| g magnitude | 17.96 (0.006) | |
| r magnitude | 17.66 (0.006) | |
| i magnitude | 17.55 (0.007) | |
| z magnitude | 17.53 (0.01) | |
| G magnitude | 17.68 (0.001) | |
| BP magnitude | ||
| RP magnitude | ||
| Pan g magnitude | ||
| Pan r magnitude | ||
| Pan i magnitude | ||
| Pan z magnitude | ||
| Pan y magnitude |
* 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 (LANL). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.