All names: WISE J192243.17+634619.4, TIC 230004050, Gaia DR2 2242073125807176320, 2MASS J19224287+6346183, SDSS J192242.87+634618.4, UCAC4 769-048055, SDSSJ192242.87+634618.4, Gaia DR3 2242073125807176320, WISEA J192243.18+634619.5
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 19 22 42.87 | 19 22 42.87 (0.03) | ||
| Declination | 63 46 18.40 | 63 46 18.48 (0.03) | ||
| Spectral type | sdB | sdB | ||
| 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] | 0.30 (0.04) | 0.29 (0.03) | |
| Distance | [pc] | 3342.25 (474) | 3410.64 (313) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 7.086 (0.09) | 7.179 (0.04) | |
| Proper motion (declination) | [mas/yr] | -5.102 (0.08) | -4.937 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.31 (0.03) | |||
| V magnitude | 15.44 (0.01) | |||
| R magnitude | 15.32 (0.09) | |||
| I magnitude | ||||
| J magnitude | 15.56 (0.06) | 15.56 (0.06) | ||
| H magnitude | 15.54 (0.1) | 15.54 (0.1) | ||
| K magnitude | 15.57 (0.2) | 15.57 (0.2) | ||
| u magnitude | 15.54 (0.005) | 15.54 (0.005) | ||
| g magnitude | 15.21 (0.003) | 15.22 (0.01) | ||
| r magnitude | 15.51 (0.003) | 15.53 (0.01) | ||
| i magnitude | 15.72 (0.003) | 15.72 (0.003) | ||
| z magnitude | 15.92 (0.006) | 15.92 (0.006) | ||
| G magnitude | 15.38 (0.0007) | 15.35 (0.003) | ||
| BP magnitude | 15.29 (0.003) | |||
| RP magnitude | 15.40 (0.002) | |||
| Pan g magnitude | 15.28 (0.002) | |||
| Pan r magnitude | 15.51 (0.004) | |||
| Pan i magnitude | 15.74 (0.003) | |||
| Pan z magnitude | 15.93 (0.004) | |||
| Pan y magnitude | 16.02 (0.007) | |||
| E(B-V) | 0.062 | |||
* 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.