All names: SDSS J123313.47+082403.0, SDSS J123313.48+082403.1, SDSS J123313.47+082403.1, SDSS J123313.50+082402.8, Gaia DR2 3902698243410506112, LSPM J1233+0824, NLTT 31076, USNO-B1.0 0984-00237289, LP 495-181
| Parameter | Unit | Simbad |
|---|---|---|
| Right ascension | 12 33 13.51 (0.2) | |
| Declination | 08 24 02.65 (0.2) | |
| Spectral type | DQpec | |
| 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] | 12.25 (0.3) |
| Distance | [pc] | 81.64 (2) |
| Composition | ||
| Proper motion (right ascension) | [mas/yr] | -174.254 (0.6) |
| Proper motion (declination) | [mas/yr] | 146.421 (0.3) |
| Variability | ||
| Magnetic | ||
| Bd | [MG] | |
| Infrared excess (disk) | ||
| Binarity | ||
| B magnitude | 18.60 | |
| V magnitude | ||
| R magnitude | 18.30 | |
| I magnitude | ||
| J magnitude | ||
| H magnitude | ||
| K magnitude | ||
| u magnitude | 19.15 (0.02) | |
| g magnitude | 18.64 (0.008) | |
| r magnitude | 18.35 (0.008) | |
| i magnitude | 18.30 (0.009) | |
| z magnitude | 18.35 (0.03) | |
| G magnitude | 18.38 (0.003) | |
| 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.