All names: GALEX J183344.3+430106, UCAC4 666-068922, Gaia DR2 2111780001483834752, GALEX J183344.2+430106, TIC 122950317, 2MASS J18334434+4301069, O11J183344+430106, Gaia DR3 2111780001483834752
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 18 33 44.00 | 18 33 44.33 (0.03) | ||
| Declination | 43 01 06.00 | 43 01 06.42 (0.04) | ||
| Spectral type | sd | |||
| 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] | 0.31 (0.05) | 0.40 (0.04) | |
| Distance | [pc] | 3255.21 (564) | 2522.70 (256) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -0.035 (0.1) | -0.142 (0.04) | |
| Proper motion (declination) | [mas/yr] | -5.581 (0.1) | -5.347 (0.06) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 16.16 (0.03) | |||
| V magnitude | 16.21 (0.02) | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 16.49 (0.1) | 16.49 (0.1) | ||
| H magnitude | 16.40 (0.2) | 16.40 (0.2) | ||
| K magnitude | 16.71 | |||
| u magnitude | ||||
| g magnitude | 16.08 (0.01) | |||
| r magnitude | 16.27 (0.01) | |||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 16.23 (0.001) | 16.21 (0.003) | ||
| BP magnitude | 16.05 (0.007) | |||
| RP magnitude | 16.42 (0.007) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | 21.74 (0.07) | |||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.036 | |||
* 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.