All names: TIC 366611153, Gaia DR3 4299685201618833920, SDSS J200955.37+095458.6, Gaia DR2 4299685201618833920, SDSSJ200955.37+095458.6, GALEX J200955.4+095458, 2MASS J20095536+0954584
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 20 09 55.37 | 20 09 55.37 (0.03) | ||
| Declination | 09 54 58.69 | 09 54 58.61 (0.03) | ||
| Spectral type | sd | sd+F/K | ||
| 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] | 0.35 (0.05) | 0.39 (0.04) | |
| Distance | [pc] | 2830.46 (407) | 2565.42 (267) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 0.984 (0.08) | 1.067 (0.04) | |
| Proper motion (declination) | [mas/yr] | 1.438 (0.07) | 1.586 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 15.26 (0.06) | 15.26 (0.06) | ||
| H magnitude | 14.99 (0.09) | 14.99 (0.09) | ||
| K magnitude | 14.93 (0.1) | 14.93 (0.1) | ||
| u magnitude | 16.73 (0.007) | 16.71 (0.02) | ||
| g magnitude | 16.22 (0.004) | 16.20 (0.007) | ||
| r magnitude | 16.02 (0.004) | 16.02 (0.004) | ||
| i magnitude | 15.95 (0.004) | 15.94 (0.007) | ||
| z magnitude | 15.92 (0.007) | 15.91 (0.01) | ||
| G magnitude | 15.99 (0.0005) | 15.98 (0.003) | ||
| BP magnitude | 16.19 (0.004) | |||
| RP magnitude | 15.61 (0.002) | |||
| Pan g magnitude | 16.21 (0.005) | |||
| Pan r magnitude | 16.03 (0.002) | |||
| Pan i magnitude | 15.97 (0.002) | |||
| Pan z magnitude | 15.96 (0.003) | |||
| Pan y magnitude | 15.95 (0.008) | |||
| E(B-V) | 0.117 | |||
* 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.