All names: GSC 05225-00812, FBS 2213-006, Gaia DR2 2678666962443647232, UCAC4 449-134789, UCAC2 31789841, 2MASS J22162837-0021135, PG 2213-006, Gaia DR3 2678666962443647232, PG2213-006, GALEX J221628.4-002113, SDSS J221628.37-002113.5, TIC 439816832, PB 5121
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 22 16 28.37 | 22 16 28.38 (0.04) | ||
| Declination | -00 21 13.11 | -00 21 13.50 (0.04) | ||
| Spectral type | He-sdO | sdOB | ||
| 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] | 0.75 (0.06) | 0.72 (0.04) | |
| Distance | [pc] | 1327.14 (103) | 1382.55 (79) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 2.888 (0.08) | 2.92 (0.05) | |
| Proper motion (declination) | [mas/yr] | -6.127 (0.08) | -6.094 (0.05) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 13.93 (0.01) | |||
| V magnitude | 14.14 (0.01) | |||
| R magnitude | 14.54 (0.2) | |||
| I magnitude | 14.35 (0.006) | |||
| J magnitude | 14.68 (0.03) | 14.68 (0.03) | ||
| H magnitude | 14.77 (0.05) | 14.77 (0.05) | ||
| K magnitude | 14.67 (0.09) | 14.67 (0.09) | ||
| u magnitude | 13.58 (0.004) | |||
| g magnitude | 14.18 (0.005) | 13.96 (0.01) | ||
| r magnitude | 14.41 (0.008) | 14.31 (0.01) | ||
| i magnitude | 14.60 (0.005) | 14.57 (0.01) | ||
| z magnitude | 14.88 (0.006) | |||
| G magnitude | 14.11 (0.001) | 14.09 (0.003) | ||
| BP magnitude | 13.91 (0.009) | |||
| RP magnitude | 14.32 (0.003) | |||
| Pan g magnitude | 13.95 (0.004) | |||
| Pan r magnitude | 14.32 (0.002) | |||
| Pan i magnitude | 14.66 (0.003) | |||
| Pan z magnitude | 14.90 (0.003) | |||
| Pan y magnitude | 15.08 (0.005) | |||
| E(B-V) | 0.085 | |||
* 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.