All names: LAMOST J223348.10+025012.4, Gaia DR2 2703220981236812672, SDSS J223348.10+025012.4, Gaia DR3 2703220976942199808, GALEX J223348.1+025012
| Parameter | Unit | Guo et al. 2015 | Simbad |
|---|---|---|---|
| Right ascension | 22 33 48.08 (2) | ||
| Declination | 02 50 12.11 (2) | ||
| Spectral type | DA+M | DA+M | |
| 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] | ||
| Distance | [pc] | ||
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | ||
| Proper motion (declination) | [mas/yr] | ||
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | |||
| V magnitude | |||
| R magnitude | |||
| I magnitude | |||
| J magnitude | |||
| H magnitude | |||
| K magnitude | |||
| u magnitude | 18.66 (0.02) | ||
| g magnitude | 18.47 (0.007) | ||
| r magnitude | 18.30 (0.008) | ||
| i magnitude | 17.72 (0.007) | ||
| z magnitude | 17.26 (0.01) | ||
| G magnitude | 18.41 (0.03) | ||
| BP magnitude | |||
| RP magnitude | |||
| Pan g magnitude | |||
| Pan r magnitude | |||
| Pan i magnitude | |||
| Pan z magnitude | |||
| Pan y magnitude | |||
| E(B-V) | |||
* 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 (University of Victoria). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.