All names: Gaia EDR3 1957733813929462016, Gaia DR3 1957733813929462016, SDSS J222002.91+413453.6, Gaia DR2 1957733813929462016, TIC 120117735, SDSSJ222002.91+413453.6, 2MASS J22200290+4134536, GALEX J222002.9+413452, FBS 2217+413, FBS B 406
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 22 20 02.92 (0.02) | 22 20 02.92 | 22 20 02.92 (0.02) | ||
| Declination | 41 34 53.66 (0.02) | 41 34 53.64 | 41 34 53.60 (0.02) | ||
| Spectral type | sd | B2 | |||
| 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] | 1.11 (0.03) | 1.12 (0.05) | 1.11 (0.03) | |
| Distance | [pc] | 899.44 (26) | 889.44 (38) | 899.44 (26) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 1.232 (0.03) | 1.326 (0.06) | 1.232 (0.03) | |
| Proper motion (declination) | [mas/yr] | 3.488 (0.03) | 3.526 (0.07) | 3.488 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 14.95 | ||||
| V magnitude | 14.90 | ||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 15.35 (0.06) | 15.35 (0.06) | |||
| H magnitude | 15.48 (0.2) | 15.48 (0.2) | |||
| K magnitude | 15.58 (0.3) | 15.58 (0.3) | |||
| u magnitude | 14.54 (0.004) | 14.52 (0.02) | |||
| g magnitude | 14.72 (0.003) | 14.72 (0.009) | |||
| r magnitude | 15.10 (0.003) | 15.12 (0.009) | |||
| i magnitude | 15.38 (0.004) | 15.39 (0.03) | |||
| z magnitude | 15.64 (0.006) | 15.64 (0.01) | |||
| G magnitude | 14.91 (0.003) | 14.93 (0.0005) | 14.91 (0.003) | ||
| BP magnitude | 14.82 (0.003) | 14.77 (0.005) | |||
| RP magnitude | 15.08 (0.004) | 15.07 (0.003) | |||
| Pan g magnitude | 14.79 (0.002) | ||||
| Pan r magnitude | 15.12 (0.002) | ||||
| Pan i magnitude | 15.42 (0.002) | ||||
| Pan z magnitude | 15.66 (0.005) | ||||
| Pan y magnitude | 15.80 (0.004) | ||||
| E(B-V) | 0.100 | ||||
* 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.