All names: LP 125-1, SDSS J084321.60+541422.6, LSPM J0843+5414, NLTT 20075, Gaia DR2 1030381796981255936, SDSS J084321.62+541422.6, SDSS J084321.60+541422.5, SDSS J084321.61+541422.6, USNO-B1.0 1442-00192397, SDSS J084321.62+541422.5, SDSS J084321.61+541422.5, WD 0839+544
| Parameter | Unit | Simbad |
|---|---|---|
| Right ascension | 08 43 21.63 (0.1) | |
| Declination | 54 14 22.66 (0.1) | |
| Spectral type | DA7 | |
| 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] | 10.93 (0.2) |
| Distance | [pc] | 91.48 (1) |
| Composition | ||
| Proper motion (right ascension) | [mas/yr] | -196.53 (0.3) |
| Proper motion (declination) | [mas/yr] | -149.79 (0.2) |
| Variability | ||
| Magnetic | ||
| Bd | [MG] | |
| Infrared excess (disk) | ||
| Binarity | ||
| B magnitude | 18.60 | |
| V magnitude | ||
| R magnitude | 18.50 | |
| I magnitude | ||
| J magnitude | ||
| H magnitude | ||
| K magnitude | ||
| u magnitude | 19.02 (0.02) | |
| g magnitude | 18.45 (0.007) | |
| r magnitude | 18.27 (0.008) | |
| i magnitude | 18.22 (0.009) | |
| z magnitude | 18.32 (0.03) | |
| G magnitude | 18.27 (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.