All names: GALEX J221442.3+674157, Gaia DR2 2219925315203706112, SDSSJ221442.30+674157.7, 2MASS J22144229+6741575, Gaia DR3 2219925315203706112, SDSS J221442.30+674157.7, TIC 367331436, SDSS J221442.30+674157.4
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 22 14 42.30 | 22 14 42.29 (0.03) | ||
| Declination | 67 41 57.44 | 67 41 57.51 (0.03) | ||
| Spectral type | sd | 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] | 0.68 (0.05) | 0.70 (0.04) | |
| Distance | [pc] | 1478.42 (106) | 1421.26 (76) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 4.496 (0.08) | 4.517 (0.04) | |
| Proper motion (declination) | [mas/yr] | 3.332 (0.08) | 3.423 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 15.82 (0.08) | 15.82 (0.08) | ||
| H magnitude | 15.90 (0.2) | 15.90 (0.2) | ||
| K magnitude | 15.92 | |||
| u magnitude | 16.69 (0.007) | 16.71 (0.02) | ||
| g magnitude | 16.32 (0.004) | 16.38 (0.01) | ||
| r magnitude | 16.28 (0.004) | 16.29 (0.01) | ||
| i magnitude | 16.32 (0.005) | 16.34 (0.008) | ||
| z magnitude | 16.37 (0.008) | 16.36 (0.01) | ||
| G magnitude | 16.26 (0.001) | 16.24 (0.003) | ||
| BP magnitude | 16.35 (0.005) | |||
| RP magnitude | 16.01 (0.007) | |||
| Pan g magnitude | 16.33 (0.0003) | |||
| Pan r magnitude | 16.30 (0.004) | |||
| Pan i magnitude | 16.36 (0.003) | |||
| Pan z magnitude | 16.43 (0.003) | |||
| Pan y magnitude | 16.46 (0.002) | |||
| E(B-V) | 0.386 | |||
* 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.