All names: NLTT 18922, USNO-B1.0 0975-00190004, 2MASS J08052755+0735355, LP 544-20, Gaia DR2 3145802036649641472, LSPM J0805+0735, WIRED J080527.55+073534.1, SDSS J080527.54+073533.3, SDSS J080527.54+073533.4, SDSS J080527.56+073534.2, PM J08054+0735
| Parameter | Unit | Simbad |
|---|---|---|
| Right ascension | 08 05 27.58 (0.1) | |
| Declination | 07 35 35.64 (0.06) | |
| Spectral type | DAH | |
| 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] | 29.06 (0.1) |
| Distance | [pc] | 34.41 (0.2) |
| Composition | ||
| Proper motion (right ascension) | [mas/yr] | -80.15 (0.2) |
| Proper motion (declination) | [mas/yr] | -379.36 (0.1) |
| Variability | ||
| Magnetic | ||
| Bd | [MG] | |
| Infrared excess (disk) | ||
| Binarity | ||
| B magnitude | 17.80 | |
| V magnitude | ||
| R magnitude | 17.00 | |
| I magnitude | ||
| J magnitude | 16.24 (0.1) | |
| H magnitude | 15.96 (0.2) | |
| K magnitude | 15.59 (0.2) | |
| u magnitude | 19.20 (0.02) | |
| g magnitude | 17.89 (0.006) | |
| r magnitude | 17.34 (0.005) | |
| i magnitude | 17.13 (0.006) | |
| z magnitude | 17.06 (0.01) | |
| G magnitude | 17.37 (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.