All names: FBS 2207+392, Gaia DR2 1956302765186913792, 2MASS J22092602+3930188, FBS B 177, TIC 119401134, Gaia DR3 1956302769487648384, GALEX J220926.1+393018, FBS2207+392
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 22 09 26.04 | 22 09 26.04 (0.2) | ||
| Declination | 39 30 18.69 | 39 30 19.17 (0.2) | ||
| Spectral type | sdO | sdOA | ||
| 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] | 0.24 (0.5) | 1.13 (0.3) | |
| Distance | [pc] | 4173.62 (8737) | 886.92 (201) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -11.195 (0.6) | -4.666 (0.2) | |
| Proper motion (declination) | [mas/yr] | 1.831 (0.7) | -6.284 (0.2) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 14.36 (0.03) | 14.36 (0.03) | ||
| H magnitude | 14.13 (0.04) | 14.13 (0.04) | ||
| K magnitude | 14.18 (0.06) | 14.18 (0.06) | ||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 14.68 (0.004) | 14.85 (0.003) | ||
| BP magnitude | 14.48 (0.004) | |||
| RP magnitude | 14.50 (0.002) | |||
| Pan g magnitude | 14.55 (0.003) | |||
| Pan r magnitude | 14.78 (0.006) | |||
| Pan i magnitude | 14.91 (0.005) | |||
| Pan z magnitude | 15.03 (0.007) | |||
| Pan y magnitude | 15.10 (0.01) | |||
| E(B-V) | 0.124 | |||
* 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.