All names: FBS B 181, 2MASS J22301199+3936019, UCAC2 45742498, Gaia EDR3 1909071392087590656, FBS 2227+393, TIC 120598109, Gaia DR2 1909071392087590656, Gaia DR3 1909071392087590656, UCAC4 649-110357
| Parameter | Unit | Gaia EDR3 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 22 30 11.98 (0.02) | 22 30 11.99 (0.02) | ||
| Declination | 39 36 02.06 (0.02) | 39 36 02.11 (0.02) | ||
| Spectral type | DBA | |||
| 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] | 0.84 (0.03) | 0.84 (0.03) | |
| Distance | [pc] | 1192.89 (49) | 1192.89 (49) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -7.76 (0.03) | -7.76 (0.03) | |
| Proper motion (declination) | [mas/yr] | -3.326 (0.03) | -3.326 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.82 (0.06) | |||
| V magnitude | 14.99 (0.05) | |||
| R magnitude | 15.39 (0.1) | |||
| I magnitude | ||||
| J magnitude | 15.54 (0.07) | |||
| H magnitude | ||||
| K magnitude | ||||
| u magnitude | ||||
| g magnitude | 14.83 (0.08) | |||
| r magnitude | 15.24 (0.05) | |||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 14.99 (0.003) | 14.99 (0.003) | ||
| BP magnitude | 14.87 (0.003) | |||
| RP magnitude | 15.22 (0.004) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.105 | |||
* 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.