All names: PM J13176+0621, USNO-B1.0 0963-00220655, SDSS J131737.45+062121.1, SDSS J131737.46+062121.0, NLTT 33563, SDSS J131737.46+062121.1, LP 557-44, LSPM J1317+0621, WD 1315+066.1, Gaia DR2 3717651845204820864
| Parameter | Unit | Simbad |
|---|---|---|
| Right ascension | 13 17 37.41 (0.2) | |
| Declination | 06 21 21.58 (0.1) | |
| 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] | 22.17 (0.2) |
| Distance | [pc] | 45.10 (0.4) |
| Composition | ||
| Proper motion (right ascension) | [mas/yr] | 246.787 (0.5) |
| Proper motion (declination) | [mas/yr] | -153.009 (0.2) |
| Variability | ||
| Magnetic | ||
| Bd | [MG] | |
| Infrared excess (disk) | ||
| Binarity | ||
| B magnitude | 19.30 | |
| V magnitude | ||
| R magnitude | 17.50 | |
| I magnitude | ||
| J magnitude | 16.86 (0.04) | |
| H magnitude | 16.74 (0.05) | |
| K magnitude | 16.69 (0.07) | |
| u magnitude | 20.02 (0.05) | |
| g magnitude | 18.60 (0.008) | |
| r magnitude | 17.97 (0.007) | |
| i magnitude | 17.73 (0.007) | |
| z magnitude | 17.65 (0.02) | |
| G magnitude | 18.03 (0.002) | |
| 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.