All names: KeplerJ190506+431831, Gaia EDR3 2105662250069297920, TIC 158215363, Gaia DR3 2105662250069297920, UCAC4 667-070790, GALEX J190506.2+431831, FBS 1903+432, FBS B 400, KIC 7668647, 2MASS J19050638+4318310, Gaia DR2 2105662250069297920
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 19 05 06.37 (0.02) | 19 05 06.00 | 19 05 06.38 (0.02) | ||
| Declination | 43 18 31.12 (0.02) | 43 18 31.00 | 43 18 31.22 (0.03) | ||
| Spectral type | sdB+WD | sdB | |||
| Effective temperature | [K] | 27680.0 (310) | |||
| log(g) | [cgs] | 5.50 (0.03) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 0.69 (0.03) | 0.73 (0.04) | 0.69 (0.03) | |
| Distance | [pc] | 1448.86 (57) | 1366.12 (73) | 1448.86 (57) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -1.96 (0.03) | -2.02 (0.07) | -1.96 (0.03) | |
| Proper motion (declination) | [mas/yr] | -6.155 (0.03) | -6.091 (0.07) | -6.155 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 14.98 (0.06) | ||||
| V magnitude | 15.22 (0.07) | ||||
| R magnitude | 15.51 (0.2) | ||||
| I magnitude | |||||
| J magnitude | 15.81 (0.07) | 15.81 (0.07) | |||
| H magnitude | 16.06 (0.2) | 16.06 (0.2) | |||
| K magnitude | 16.23 | ||||
| u magnitude | |||||
| g magnitude | 14.91 (0.05) | ||||
| r magnitude | 15.45 (0.1) | ||||
| i magnitude | 15.64 (0.01) | ||||
| z magnitude | |||||
| G magnitude | 15.19 (0.003) | 15.21 (0.0007) | 15.19 (0.003) | ||
| BP magnitude | 15.07 (0.003) | 15.01 (0.005) | |||
| RP magnitude | 15.44 (0.004) | 15.44 (0.002) | |||
| Pan g magnitude | 15.05 (0.005) | ||||
| Pan r magnitude | 15.44 (0.002) | ||||
| Pan i magnitude | 15.78 (0.003) | ||||
| Pan z magnitude | 16.05 (0.005) | ||||
| Pan y magnitude | 16.21 (0.008) | ||||
| E(B-V) | 0.037 | ||||
* 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.