All names: Gaia DR2 2110282844604389760, SDSS J183229.21+402418.3, SDSSJ183229.22+402418.4, SDSS J183229.22+402418.4, TIC 289325224, 2MASS J18322926+4024189, Gaia DR3 2110282844604389760
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 18 32 29.22 | 18 32 29.22 (0.03) | ||
| Declination | 40 24 18.40 | 40 24 18.31 (0.03) | ||
| Spectral type | sdOB | sdO | ||
| Effective temperature | [K] | 40100.0 (600) | ||
| log(g) | [cgs] | 5.35 (0.1) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.31 (0.05) | 0.33 (0.03) | |
| Distance | [pc] | 3253.09 (513) | 3020.24 (316) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -2.445 (0.09) | -2.611 (0.04) | |
| Proper motion (declination) | [mas/yr] | 1.435 (0.09) | 1.528 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 16.37 (0.1) | 16.37 (0.1) | ||
| H magnitude | 16.46 (0.2) | 16.46 (0.2) | ||
| K magnitude | 15.18 | |||
| u magnitude | 15.13 (0.004) | 15.13 (0.004) | ||
| g magnitude | 15.44 (0.004) | 15.44 (0.004) | ||
| r magnitude | 15.94 (0.004) | 15.94 (0.004) | ||
| i magnitude | 16.27 (0.005) | 16.27 (0.005) | ||
| z magnitude | 16.58 (0.009) | 16.58 (0.009) | ||
| G magnitude | 15.72 (0.001) | 15.70 (0.003) | ||
| BP magnitude | 15.50 (0.008) | |||
| RP magnitude | 15.98 (0.006) | |||
| Pan g magnitude | 15.56 (0.003) | |||
| Pan r magnitude | 15.96 (0.001) | |||
| Pan i magnitude | 16.31 (0.002) | |||
| Pan z magnitude | 16.59 (0.003) | |||
| Pan y magnitude | 16.79 (0.009) | |||
| E(B-V) | 0.041 | |||
* 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.