All names: GALEX J112007.6+250221, LAMOST J112007.65+250220.9, LAMOST J112007.64+250221.3, 2MASS J11200764+2502210, TIC 230053855, Gaia DR3 3994014131500963328, USNO-A2.0 1125-06293276, Gaia DR2 3994014131500963328
| Parameter | Unit | Guo et al. 2015 | Simbad |
|---|---|---|---|
| Right ascension | 11 20 07.65 (0.07) | ||
| Declination | 25 02 20.94 (0.06) | ||
| 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] | 5.84 (0.08) | |
| Distance | [pc] | 171.10 (2) | |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | 13.2 (0.09) | |
| Proper motion (declination) | [mas/yr] | -12.488 (0.07) | |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | 17.20 (0.3) | ||
| V magnitude | |||
| R magnitude | 17.20 (0.3) | ||
| I magnitude | |||
| J magnitude | 14.61 (0.04) | ||
| H magnitude | 14.10 (0.04) | ||
| K magnitude | 13.79 (0.06) | ||
| u magnitude | 18.34 (0.01) | ||
| g magnitude | 17.79 (0.005) | ||
| r magnitude | 17.37 (0.005) | ||
| i magnitude | 16.52 (0.004) | ||
| z magnitude | 15.95 (0.007) | ||
| G magnitude | 16.98 (0.003) | ||
| 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.