All names: USNO-B1.0 0856-00580816, HE 2217-0433, 2MASS J22200576-0418445, WD 2217-045, Gaia EDR3 2627329287074150528, Gaia DR3 2627329287074150528, AP J22200576-0418445, EPIC 206527199, Gaia DR2 2627329287074150528, LAMOST J222005.74-041844.7, TIC 439845972
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|
| Right ascension | 22 20 05.72 (0.3) | 22 20 05.72 (0.2) | 22 20 05.76 (0.3) | 22 20 06.00 | ||
| Declination | -04 18 45.08 (0.2) | -04 18 45.06 (0.1) | -04 18 44.47 (0.2) | -04 18 41.76 | ||
| Spectral type | DA3 | DA3+dM | ||||
| 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] | 8.54 (0.4) | 7.93 (0.2) | 8.54 (0.4) | ||
| Distance | [pc] | 117.13 (5) | 126.03 (4) | 117.13 (5) | ||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | -32.00527723 (0.3) | -31.56702338 (0.3) | -32.005 (0.3) | ||
| Proper motion (declination) | [mas/yr] | -38.27273932 (0.3) | -39.12756745 (0.3) | -38.273 (0.3) | ||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | yes | |||||
| B magnitude | 16.10 | |||||
| V magnitude | ||||||
| R magnitude | 15.40 | |||||
| I magnitude | ||||||
| J magnitude | 12.97 (0.03) | |||||
| H magnitude | 12.40 (0.02) | |||||
| K magnitude | 12.18 (0.02) | |||||
| u magnitude | 16.53 (0.007) | |||||
| g magnitude | 16.11 (0.003) | |||||
| r magnitude | 15.58 (0.004) | |||||
| i magnitude | 14.76 (0.003) | |||||
| z magnitude | 14.24 (0.004) | |||||
| G magnitude | 15.49 (0.009) | 15.39 | 15.49 (0.01) | |||
| BP magnitude | 16.01 (0.009) | 15.99 | ||||
| RP magnitude | 14.39 (0.002) | 14.41 | ||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.016 | |||||
* 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.