All names: LSPM J1211+0724, NLTT 29884, Gaia DR2 3904628406009296896, WD 1208+076, SDSS J121118.80+072447.5, PM J12113+0724, USNO-B1.0 0974-00255928, LP 554-50, SDSS J121118.81+072447.7, 2MASS J12111882+0724481
| Parameter | Unit | Simbad |
|---|---|---|
| Right ascension | 12 11 18.82 (0.07) | |
| Declination | 07 24 48.16 (0.04) | |
| Spectral type | DA8.5 | |
| 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] | 39.49 (0.08) |
| Distance | [pc] | 25.32 (0.05) |
| Composition | ||
| Proper motion (right ascension) | [mas/yr] | -68.62 (0.2) |
| Proper motion (declination) | [mas/yr] | -227.835 (0.09) |
| Variability | ||
| Magnetic | ||
| Bd | [MG] | |
| Infrared excess (disk) | ||
| Binarity | ||
| B magnitude | 17.20 | |
| V magnitude | ||
| R magnitude | 16.10 | |
| I magnitude | ||
| J magnitude | 15.37 (0.06) | |
| H magnitude | 15.09 (0.07) | |
| K magnitude | 15.10 (0.2) | |
| u magnitude | 18.57 (0.02) | |
| g magnitude | 17.15 (0.004) | |
| r magnitude | 16.54 (0.004) | |
| i magnitude | 16.31 (0.004) | |
| z magnitude | 16.20 (0.007) | |
| G magnitude | 16.58 (0.0005) | |
| 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.