All names: LP 484-24, Gaia DR2 649672906567630976, 2MASS J08094011+1112261, USNO-B1.0 1012-00154734, SDSS J080940.18+111225.9, NLTT 19026, SDSS J080940.18+111226.0, SDSS J080940.19+111226.0, LSPM J0809+1112, WIRED J080940.18+111226.0
| Parameter | Unit | Simbad |
|---|---|---|
| Right ascension | 08 09 40.11 (0.1) | |
| Declination | 11 12 26.00 (0.07) | |
| Spectral type | DZ | |
| 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] | 19.04 (0.1) |
| Distance | [pc] | 52.52 (0.4) |
| Composition | ||
| Proper motion (right ascension) | [mas/yr] | 210.207 (0.3) |
| Proper motion (declination) | [mas/yr] | 7.057 (0.2) |
| Variability | ||
| Magnetic | ||
| Bd | [MG] | |
| Infrared excess (disk) | ||
| Binarity | ||
| B magnitude | 17.80 | |
| V magnitude | ||
| R magnitude | 17.30 | |
| I magnitude | ||
| J magnitude | 16.74 (0.1) | |
| H magnitude | 16.78 (0.07) | |
| K magnitude | ||
| u magnitude | 18.36 (0.02) | |
| g magnitude | 17.71 (0.005) | |
| r magnitude | 17.53 (0.006) | |
| i magnitude | 17.51 (0.006) | |
| z magnitude | 17.54 (0.02) | |
| G magnitude | 17.55 (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.