All names: Gaia EDR3 2076093113924850944, LAMOST J200008.61+440333.5, KIC 8194119, Gaia DR2 2076093148282520960, Gaia DR3 2076093148282520960
| Parameter | Unit | Gaia EDR3 | Guo et al. 2015 | Simbad |
|---|---|---|---|---|
| Right ascension | 20 00 08.86 (0.6) | 20 00 08.61 (0.03) | ||
| Declination | 44 03 02.39 (0.7) | 44 03 33.65 (0.04) | ||
| 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] | 2.01 (0.9) | 0.67 (0.04) | |
| Distance | [pc] | 497.24 (221) | 1484.56 (81) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 2.888 (0.8) | -0.545 (0.04) | |
| Proper motion (declination) | [mas/yr] | -18.471 (1) | 0.928 (0.05) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | ||||
| H magnitude | ||||
| K magnitude | ||||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 20.58 (0.01) | 12.79 (0.003) | ||
| BP magnitude | 20.65 (0.09) | |||
| RP magnitude | 20.63 (0.2) | |||
| 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.